project template update

ci updates
2026-06-11 11:51:46 +08:00 · 2022-03-08 22:51:56 +08:00 · 2022-03-08 21:27:14 +08:00 · 2022-03-08 21:22:01 +08:00 · 2022-03-08 21:04:48 +08:00 · 2022-03-08 20:28:18 +08:00
339 changed files with 11427 additions and 2513 deletions
--- a/.github/workflows/cli.yml
+++ b/.github/workflows/cli.yml
@ -6,6 +6,10 @@ on:
    tags:
    - 'v*' # Push events to matching v*, i.e. v1.0, v20.15.10

+env:
+  TZ: Asia/Shanghai
+
+
 jobs:
  build:
    name: Build And Release
@ -26,37 +30,19 @@ jobs:
          GOOS=linux GOARCH=amd64 go build main.go
          chmod +x main
          ./main install -y
-      
-      # gf build 
+
      - name: Build CLI Binary For All Platform
        run: |
          cd cmd/gf
          gf build main.go -n gf -a all -s all
-      
-      # 处理gf-cli批量编译后的文件结构
-      - name: Move Files Before Upx
-        run: |
-          cd cmd/gf/bin
-          for OS in *;do for FILE in $OS/*;\
-          do if [[ ${OS} =~ 'windows' ]];\
-          then rm -rf noupx &&  mkdir noupx && mv $FILE noupx/gf_$OS.exe && rm -rf $OS;\
-          else mv $FILE gf_$OS && rm -rf $OS;\
-          fi;done;done

-      # UPX 加壳所有文件
-      - name: Upx All Binary
-        uses: gacts/upx@master
-        with:
-          dir:      'cmd/gf/bin'
-          upx_args: '-9'
-      
-      # 移动未UPX的windows程序到上传bin目录下
-      - name: Move Files After Upx
+      - name: Move Files Before Release
        run: |
-          cd cmd/gf/bin
-          mv noupx/* ./ && rm -rf noupx
-          ls -l
-           
+          cd cmd/gf/temp
+          for OS in *;do for FILE in $OS/*;\
+          do mv $FILE gf_$OS && rm -rf $OS;\
+          done;done
+
      - name: Create Github Release
        id: create_release
        uses: actions/create-release@v1
@ -74,4 +60,4 @@ jobs:
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
-          asset_paths: '["cmd/gf/bin/gf_*"]'
+          asset_paths: '["cmd/gf/temp/gf_*"]'
--- a/.github/workflows/gf.yml
+++ b/.github/workflows/gf.yml
@ -1,5 +1,6 @@
 name: GoFrame CI

+
 on:
  push:
    branches:
@ -10,12 +11,16 @@ on:
    - master
    - develop

+
 env:
  GF_DEBUG: 0

+
 jobs:
  code-test:
    runs-on: ubuntu-latest
+
+
    # Service containers to run with `code-test`
    services:
      redis:
@ -28,6 +33,7 @@ jobs:
        ports:
          # Maps tcp port 6379 on service container to the host
          - 6379:6379
+
      mysql:
        image: mysql:5.7
        env:
@ -37,11 +43,46 @@ jobs:
          # Maps tcp port 3306 on service container to the host
          - 3306:3306

+      postgres:
+        image: postgres:13
+        env:
+          POSTGRES_PASSWORD: 12345678
+          POSTGRES_USER:     root
+          POSTGRES_DB:       test
+          TZ:                Asia/Shanghai
+        ports:
+          - 5432:5432
+        # Set health checks to wait until postgres has started
+        options: >-
+          --health-cmd pg_isready
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
+
+      mssql:
+        image: mcmoe/mssqldocker:latest
+        env:
+          ACCEPT_EULA:    Y
+          SA_PASSWORD:    LoremIpsum86
+          MSSQL_DB:       test
+          MSSQL_USER:     root
+          MSSQL_PASSWORD: LoremIpsum86
+        ports:
+          - 1433:1433
+        options: >-
+          --health-cmd="/opt/mssql-tools/bin/sqlcmd -S localhost -U sa -P LoremIpsum86 -l 30 -Q \"SELECT 1\" || exit 1"
+          --health-start-period 10s
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 10
+
+
    # strategy set
    strategy:
      matrix:
        go: ["1.15", "1.16", "1.17"]

+
    steps:
    - name: Set Up Timezone
      uses: szenius/set-timezone@v1.0
@ -58,17 +99,48 @@ jobs:

    - name: Before Script
      run: |
-        date
        find . -name "*.go" | xargs gofmt -w
-        git diff --name-only --exit-code || if [ $? != 0 ];then echo "Notice: gofmt check failed,please gofmt before pr." && exit 1; fi
+        git diff --name-only --exit-code || if [ $? != 0 ]; then echo "Notice: gofmt check failed,please gofmt before pr." && exit 1; fi
        echo "gofmt check pass."
        sudo echo "127.0.0.1   local" | sudo tee -a /etc/hosts

+    - name: CLI Build & Test
+      run: |
+        cd cmd/gf
+        go mod tidy
+        go build ./...
+        go test  ./...
+
+    - name: Example Build & Test
+      run: |
+        cd example
+        go mod tidy
+        go build ./...
+        go test  ./...
+
+    - name: Contrib Build & Test
+      run: |
+        cd contrib
+        for file in `find . -name go.mod`; do
+            path=$(dirname $file)
+            # Ignore oracle database driver build&test.
+            if [ "oracle" = $(basename $path) ]; then
+                continue 1
+            fi
+            cd $path
+            go mod tidy
+            go build ./...
+            go test  ./...
+            cd -
+        done
+
    - name: Run i386 Arch Test
-      run: GOARCH=386 go test -v ./... || exit 1
+      run: |
+        GOARCH=386 go test -v ./... || exit 1

    - name: Run amd64 Arch Test
-      run: GOARCH=amd64 go test -v ./... -race -coverprofile=coverage.txt -covermode=atomic
+      run: |
+        GOARCH=amd64 go test -v ./... -race -coverprofile=coverage.txt -covermode=atomic

    - name: Report Coverage
      uses: codecov/codecov-action@v2
--- a/.gitignore
+++ b/.gitignore
@ -15,4 +15,5 @@ cbuild
 **/.DS_Store
 .vscode/
 .test/
-main
+main
+gf
--- a/README.MD
+++ b/README.MD
@ -3,7 +3,7 @@
 <img src="https://goframe.org/statics/image/gf-head-large.png" width="100"/>

 [![Go Doc](https://godoc.org/github.com/gogf/gf?status.svg)](https://godoc.org/github.com/gogf/gf)
-[![GoFrame CI](https://github.com/gogf/gf/actions/workflows/go.yml/badge.svg)](https://github.com/gogf/gf/actions/workflows/go.yml)
+[![GoFrame CI](https://github.com/gogf/gf/actions/workflows/gf.yml/badge.svg)](https://github.com/gogf/gf/actions/workflows/gf.yml)
 [![Go Report](https://goreportcard.com/badge/github.com/gogf/gf?v=1)](https://goreportcard.com/report/github.com/gogf/gf)
 [![Code Coverage](https://codecov.io/gh/gogf/gf/branch/master/graph/badge.svg)](https://codecov.io/gh/gogf/gf/branch/master)
 [![Production Ready](https://img.shields.io/badge/production-ready-blue.svg)](https://github.com/gogf/gf)
@ -27,6 +27,7 @@
 - much, much more...ready to explore?

 # Installation
+Enter your repo. directory and execute following command:

 ## primary module
 ```bash
@ -35,7 +36,7 @@ go get -u -v github.com/gogf/gf/v2

 ## cli tool
 ```bash
-go install -g github.com/gogf/gf/cmd/gf/v2
+go install github.com/gogf/gf/cmd/gf/v2
 ```

 # Limitation
--- a/cmd/gf/README.MD
+++ b/cmd/gf/README.MD
@ -2,22 +2,24 @@

 `gf` is a powerful CLI tool for building [GoFrame](https://goframe.org) application with convenience.

-# Install

-> You might need setting the goproxy to make through building.
-> Please make sure your Golang version > v1.15.
+## 1. Install

-1. Latest version
-    ```
-    go install -g github.com/gogf/gf/cmd/gf/v2
+You can also install `gf` tool using pre-built binaries: https://github.com/gogf/gf/releases
+
+1. `Mac` & `Linux`
+    ```shell
+    wget -O gf https://github.com/gogf/gf/releases/latest/download/gf_$(go env GOOS)_$(go env GOARCH) && chmod +x gf && ./gf install -y && rm ./gf
    ```
+   > If you're using `zsh`, you might need rename your alias by command `alias gf=gf` to resolve the conflicts between `gf` and `git fetch`.

-2. Check installation
-   ```
-   gf -v
-   ```
+2. `Windows`

-## Commands
+   Manually download, execute it and then follow the instruction.
+
+3. Database `sqlite` and `oracle` are not support in `gf gen` command in default as it needs `cgo` and `gcc`, you can manually make some changes to the source codes and do the building.
+
+## 2. Commands
 ```html
 $ gf
 USAGE
@ -45,11 +47,11 @@ ADDITIONAL
    Use "gf COMMAND -h" for details about a command.
 ```

-# FAQ
+## 3. FAQ

-1. Command `gf run` returns `pipe: too many open files`
+### 1). Command `gf run` returns `pipe: too many open files`

-   Please use `ulimit -n 65535` to enlarge your system configuration for max open files for current terminal shell session, and then `gf run`.
+Please use `ulimit -n 65535` to enlarge your system configuration for max open files for current terminal shell session, and then `gf run`.



--- a/cmd/gf/go.mod
+++ b/cmd/gf/go.mod
@ -3,14 +3,16 @@ module github.com/gogf/gf/cmd/gf/v2
 go 1.15

 require (
-	github.com/denisenkom/go-mssqldb v0.11.0
+	github.com/gogf/gf/contrib/drivers/mssql/v2 v2.0.0-rc2
+	github.com/gogf/gf/contrib/drivers/pgsql/v2 v2.0.0-rc2
+	github.com/gogf/gf/contrib/drivers/sqlite/v2 v2.0.0-rc2
 	github.com/gogf/gf/v2 v2.0.0-rc
-	github.com/lib/pq v1.10.4
-	github.com/mattn/go-runewidth v0.0.10 // indirect
-	github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e // indirect
 	github.com/olekukonko/tablewriter v0.0.5
-	go.opentelemetry.io/otel v1.2.0 // indirect
-	gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f // indirect
 )

-replace github.com/gogf/gf/v2 => ../../
+replace (
+	github.com/gogf/gf/contrib/drivers/mssql/v2 => ../../contrib/drivers/mssql/
+	github.com/gogf/gf/contrib/drivers/pgsql/v2 => ../../contrib/drivers/pgsql/
+	github.com/gogf/gf/contrib/drivers/sqlite/v2 => ../../contrib/drivers/sqlite/
+	github.com/gogf/gf/v2 => ../../
+)
--- a/cmd/gf/go.sum
+++ b/cmd/gf/go.sum
@ -22,8 +22,6 @@ github.com/go-redis/redis/v8 v8.11.4/go.mod h1:2Z2wHZXdQpCDXEGzqMockDpNyYvi2l4Px
 github.com/go-sql-driver/mysql v1.6.0 h1:BCTh4TKNUYmOmMUcQ3IipzF5prigylS7XXjEkfCHuOE=
 github.com/go-sql-driver/mysql v1.6.0/go.mod h1:DCzpHaOWr8IXmIStZouvnhqoel9Qv2LBy8hT2VhHyBg=
 github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0/go.mod h1:fyg7847qk6SyHyPtNmDHnmrv/HOrqktSC+C9fM+CJOE=
-github.com/gogf/gf/v2 v2.0.0-rc.0.20220124023219-43f1354e7983 h1:INOUPZaXysuSYTEwhPgNDZfdmEPqIpAXwcgXlVEAzeQ=
-github.com/gogf/gf/v2 v2.0.0-rc.0.20220124023219-43f1354e7983/go.mod h1:apktt6TleWtCIwpz63vBqUnw8MX8gWKoZyxgDpXFtgM=
 github.com/golang-sql/civil v0.0.0-20190719163853-cb61b32ac6fe h1:lXe2qZdvpiX5WZkZR4hgp4KJVfY3nMkvmwbVkpv1rVY=
 github.com/golang-sql/civil v0.0.0-20190719163853-cb61b32ac6fe/go.mod h1:8vg3r2VgvsThLBIFL93Qb5yWzgyZWhEmBwUJWevAkK0=
 github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
@ -47,9 +45,6 @@ github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/ad
 github.com/grokify/html-strip-tags-go v0.0.1 h1:0fThFwLbW7P/kOiTBs03FsJSV9RM2M/Q/MOnCQxKMo0=
 github.com/grokify/html-strip-tags-go v0.0.1/go.mod h1:2Su6romC5/1VXOQMaWL2yb618ARB8iVo6/DR99A6d78=
 github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
-github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
-github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
-github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
 github.com/lib/pq v1.10.4 h1:SO9z7FRPzA03QhHKJrH5BXA6HU1rS4V2nIVrrNC1iYk=
 github.com/lib/pq v1.10.4/go.mod h1:AlVN5x4E4T544tWzH6hKfbfQvm3HdbOxrmggDNAPY9o=
 github.com/mattn/go-colorable v0.1.9 h1:sqDoxXbdeALODt0DAeJCVp38ps9ZogZEAXjus69YV3U=
@ -57,11 +52,10 @@ github.com/mattn/go-colorable v0.1.9/go.mod h1:u6P/XSegPjTcexA+o6vUJrdnUu04hMope
 github.com/mattn/go-isatty v0.0.12/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Kysco4FUpU=
 github.com/mattn/go-isatty v0.0.14 h1:yVuAays6BHfxijgZPzw+3Zlu5yQgKGP2/hcQbHb7S9Y=
 github.com/mattn/go-isatty v0.0.14/go.mod h1:7GGIvUiUoEMVVmxf/4nioHXj79iQHKdU27kJ6hsGG94=
+github.com/mattn/go-runewidth v0.0.9 h1:Lm995f3rfxdpd6TSmuVCHVb/QhupuXlYr8sCI/QdE+0=
 github.com/mattn/go-runewidth v0.0.9/go.mod h1:H031xJmbD/WCDINGzjvQ9THkh0rPKHF+m2gUSrubnMI=
-github.com/mattn/go-runewidth v0.0.10 h1:CoZ3S2P7pvtP45xOtBw+/mDL2z0RKI576gSkzRRpdGg=
-github.com/mattn/go-runewidth v0.0.10/go.mod h1:RAqKPSqVFrSLVXbA8x7dzmKdmGzieGRCM46jaSJTDAk=
-github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e h1:fD57ERR4JtEqsWbfPhv4DMiApHyliiK5xCTNVSPiaAs=
-github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e/go.mod h1:zD1mROLANZcx1PVRCS0qkT7pwLkGfwJo4zjcN/Tysno=
+github.com/mattn/go-sqlite3 v1.14.10 h1:MLn+5bFRlWMGoSRmJour3CL1w/qL96mvipqpwQW/Sfk=
+github.com/mattn/go-sqlite3 v1.14.10/go.mod h1:NyWgC/yNuGj7Q9rpYnZvas74GogHl5/Z4A/KQRfk6bU=
 github.com/nxadm/tail v1.4.4/go.mod h1:kenIhsEOeOJmVchQTgglprH7qJGnHDVpk1VPCcaMI8A=
 github.com/nxadm/tail v1.4.8 h1:nPr65rt6Y5JFSKQO7qToXr7pePgD6Gwiw05lkbyAQTE=
 github.com/nxadm/tail v1.4.8/go.mod h1:+ncqLTQzXmGhMZNUePPaPqPvBxHAIsmXswZKocGu+AU=
@ -77,22 +71,18 @@ github.com/onsi/gomega v1.16.0 h1:6gjqkI8iiRHMvdccRJM8rVKjCWk6ZIm6FTm3ddIe4/c=
 github.com/onsi/gomega v1.16.0/go.mod h1:HnhC7FXeEQY45zxNK3PPoIUhzk/80Xly9PcubAlGdZY=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/rivo/uniseg v0.1.0 h1:+2KBaVoUmb9XzDsrx/Ct0W/EYOSFf/nWTauy++DprtY=
-github.com/rivo/uniseg v0.1.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
 github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 github.com/yuin/goldmark v1.4.0/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
+go.opentelemetry.io/otel v1.0.0 h1:qTTn6x71GVBvoafHK/yaRUmFzI4LcONZD0/kXxl5PHI=
 go.opentelemetry.io/otel v1.0.0/go.mod h1:AjRVh9A5/5DE7S+mZtTR6t8vpKKryam+0lREnfmS4cg=
-go.opentelemetry.io/otel v1.2.0 h1:YOQDvxO1FayUcT9MIhJhgMyNO1WqoduiyvQHzGN0kUQ=
-go.opentelemetry.io/otel v1.2.0/go.mod h1:aT17Fk0Z1Nor9e0uisf98LrntPGMnk4frBO9+dkf69I=
 go.opentelemetry.io/otel/sdk v1.0.0 h1:BNPMYUONPNbLneMttKSjQhOTlFLOD9U22HNG1KrIN2Y=
 go.opentelemetry.io/otel/sdk v1.0.0/go.mod h1:PCrDHlSy5x1kjezSdL37PhbFUMjrsLRshJ2zCzeXwbM=
+go.opentelemetry.io/otel/trace v1.0.0 h1:TSBr8GTEtKevYMG/2d21M989r5WJYVimhTHBKVEZuh4=
 go.opentelemetry.io/otel/trace v1.0.0/go.mod h1:PXTWqayeFUlJV1YDNhsJYB184+IvAH814St6o6ajzIs=
-go.opentelemetry.io/otel/trace v1.2.0 h1:Ys3iqbqZhcf28hHzrm5WAquMkDHNZTUkw7KHbuNjej0=
-go.opentelemetry.io/otel/trace v1.2.0/go.mod h1:N5FLswTubnxKxOJHM7XZC074qpeEdLy3CgAVsdMucK0=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20190325154230-a5d413f7728c/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
@ -154,9 +144,8 @@ google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2
 google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
 google.golang.org/protobuf v1.26.0 h1:bxAC2xTBsZGibn2RTntX0oH50xLsqy1OxA9tTL3p/lk=
 google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f h1:BLraFXnmrev5lT+xlilqcH8XK9/i0At2xKjWk4p6zsU=
-gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
--- a/cmd/gf/internal/cmd/cmd_build.go
+++ b/cmd/gf/internal/cmd/cmd_build.go
@ -4,6 +4,7 @@ import (
 	"context"
 	"encoding/json"
 	"fmt"
+	"os"
 	"regexp"
 	"runtime"
 	"strings"
@ -114,11 +115,12 @@ type cBuildInput struct {
 	Arch    string `short:"a" name:"arch"    brief:"output binary architecture, multiple arch separated with ','"`
 	System  string `short:"s" name:"system"  brief:"output binary system, multiple os separated with ','"`
 	Output  string `short:"o" name:"output"  brief:"output binary path, used when building single binary file"`
-	Path    string `short:"p" name:"path"    brief:"output binary directory path, default is './bin'" d:"./bin"`
+	Path    string `short:"p" name:"path"    brief:"output binary directory path, default is './temp'" d:"./temp"`
 	Extra   string `short:"e" name:"extra"   brief:"extra custom \"go build\" options"`
 	Mod     string `short:"m" name:"mod"     brief:"like \"-mod\" option of \"go build\", use \"-m none\" to disable go module"`
 	Cgo     bool   `short:"c" name:"cgo"     brief:"enable or disable cgo feature, it's disabled in default" orphan:"true"`
 	VarMap  g.Map  `short:"r" name:"varMap"  brief:"custom built embedded variable into binary"`
+	Exit    bool   `name:"exit" brief:"exit building when any error occurs, default is false" orphan:"true"`
 	Pack    string `name:"pack" brief:"pack specified folder into temporary go file before building and removes it after built"`
 }
 type cBuildOutput struct{}
@ -254,7 +256,14 @@ func (c cBuild) Index(ctx context.Context, in cBuildInput) (out *cBuildOutput, e
 			cmdShow, _ := gregex.ReplaceString(`\s+(-ldflags ".+?")\s+`, " ", cmd)
 			mlog.Print(cmdShow)
 			if result, err := gproc.ShellExec(cmd); err != nil {
-				mlog.Printf("failed to build, os:%s, arch:%s, error:\n%s\n", system, arch, gstr.Trim(result))
+				mlog.Printf(
+					"failed to build, os:%s, arch:%s, error:\n%s\n\n%s\n",
+					system, arch, gstr.Trim(result),
+					`you may use command option "--debug" to enable debug info and check the details`,
+				)
+				if in.Exit {
+					os.Exit(1)
+				}
 			} else {
 				mlog.Debug(gstr.Trim(result))
 			}
@ -264,6 +273,7 @@ func (c cBuild) Index(ctx context.Context, in cBuildInput) (out *cBuildOutput, e
 			}
 		}
 	}
+
 buildDone:
 	mlog.Print("done!")
 	return
--- a/cmd/gf/internal/cmd/cmd_docker.go
+++ b/cmd/gf/internal/cmd/cmd_docker.go
@ -37,7 +37,8 @@ It runs "gf build" firstly to compile the project to binary file.
 It then runs "docker build" command automatically to generate the docker image.
 You should have docker installed, and there must be a Dockerfile in the root of the project.
 `
-	cDockerMainBrief  = `main golang file path for "gf build", it's "main.go" in default`
+	cDockerMainBrief  = `main file path for "gf build", it's "main.go" in default. empty string for no binary build`
+	cDockerBuildBrief = `binary build options before docker image build, it's "-a amd64 -s linux" in default`
 	cDockerFileBrief  = `file path of the Dockerfile. it's "manifest/docker/Dockerfile" in default`
 	cDockerShellBrief = `path of the shell file which is executed before docker build`
 	cDockerPushBrief  = `auto push the docker image to docker registry if "-t" option passed`
@ -54,6 +55,7 @@ func init() {
 		`cDockerMainBrief`:  cDockerMainBrief,
 		`cDockerFileBrief`:  cDockerFileBrief,
 		`cDockerShellBrief`: cDockerShellBrief,
+		`cDockerBuildBrief`: cDockerBuildBrief,
 		`cDockerPushBrief`:  cDockerPushBrief,
 		`cDockerTagBrief`:   cDockerTagBrief,
 		`cDockerExtraBrief`: cDockerExtraBrief,
@ -65,6 +67,7 @@ type cDockerInput struct {
 	Main   string `name:"MAIN"  arg:"true" brief:"{cDockerMainBrief}"  d:"main.go"`
 	File   string `name:"file"  short:"f"  brief:"{cDockerFileBrief}"  d:"manifest/docker/Dockerfile"`
 	Shell  string `name:"shell" short:"s"  brief:"{cDockerShellBrief}" d:"manifest/docker/docker.sh"`
+	Build  string `name:"build" short:"b"  brief:"{cDockerBuildBrief}" d:"-a amd64 -s linux"`
 	Tag    string `name:"tag"   short:"t"  brief:"{cDockerTagBrief}"`
 	Push   bool   `name:"push"  short:"p"  brief:"{cDockerPushBrief}" orphan:"true"`
 	Extra  string `name:"extra" short:"e"  brief:"{cDockerExtraBrief}"`
@ -78,9 +81,13 @@ func (c cDocker) Index(ctx context.Context, in cDockerInput) (out *cDockerOutput
 	}

 	// Binary build.
-	if err = gproc.ShellRun(fmt.Sprintf(`gf build %s -a amd64 -s linux`, in.Main)); err != nil {
-		return
+	in.Build += " --exit"
+	if in.Main != "" {
+		if err = gproc.ShellRun(fmt.Sprintf(`gf build %s %s`, in.Main, in.Build)); err != nil {
+			return
+		}
 	}
+
 	// Shell executing.
 	if gfile.Exists(in.Shell) {
 		if err = gproc.ShellRun(gfile.GetContents(in.Shell)); err != nil {
--- a/cmd/gf/internal/cmd/cmd_gen_dao.go
+++ b/cmd/gf/internal/cmd/cmd_gen_dao.go
@ -19,10 +19,10 @@ import (
 	"github.com/gogf/gf/v2/util/gtag"
 	"github.com/olekukonko/tablewriter"

-	_ "github.com/denisenkom/go-mssqldb"
-	_ "github.com/lib/pq"
-	//_ "github.com/mattn/go-oci8"
-	//_ "github.com/mattn/go-sqlite3"
+	_ "github.com/gogf/gf/contrib/drivers/mssql/v2"
+	_ "github.com/gogf/gf/contrib/drivers/pgsql/v2"
+	_ "github.com/gogf/gf/contrib/drivers/sqlite/v2"
+	//_ "github.com/gogf/gf/contrib/drivers/oracle/v2"
 )

 const (
@ -43,7 +43,7 @@ gf gen dao -r user_
 CONFIGURATION SUPPORT
    Options are also supported by configuration file.
    It's suggested using configuration file instead of command line arguments making producing.
-    The configuration node name is "gf.gen.dao", which also supports multiple databases, for example(config.yaml):
+    The configuration node name is "gfcli.gen.dao", which also supports multiple databases, for example(config.yaml):
 	gfcli:
 	  gen:
 		dao:
@ -63,6 +63,7 @@ CONFIGURATION SUPPORT
 	cGenDaoBriefPrefix          = `add prefix for all table of specified link/database tables`
 	cGenDaoBriefRemovePrefix    = `remove specified prefix of the table, multiple prefix separated with ','`
 	cGenDaoBriefStdTime         = `use time.Time from stdlib instead of gtime.Time for generated time/date fields of tables`
+	cGenDaoBriefWithTime        = `add created time for auto produced go files`
 	cGenDaoBriefGJsonSupport    = `use gJsonSupport to use *gjson.Json instead of string for generated json fields of tables`
 	cGenDaoBriefImportPrefix    = `custom import prefix for generated go files`
 	cGenDaoBriefOverwriteDao    = `overwrite all dao files both inside/outside internal folder`
@ -97,11 +98,11 @@ generated json tag case for model struct, cases are as follows:
 	tplVarColumnDefine            = `{TplColumnDefine}`
 	tplVarColumnNames             = `{TplColumnNames}`
 	tplVarGroupName               = `{TplGroupName}`
-	tplVarDatetime                = `{TplDatetime}`
+	tplVarDatetimeStr             = `{TplDatetimeStr}`
 )

 var (
-	createdAt *gtime.Time
+	createdAt = gtime.Now()
 )

 func init() {
@ -118,6 +119,7 @@ func init() {
 		`cGenDaoBriefPrefix`:          cGenDaoBriefPrefix,
 		`cGenDaoBriefRemovePrefix`:    cGenDaoBriefRemovePrefix,
 		`cGenDaoBriefStdTime`:         cGenDaoBriefStdTime,
+		`cGenDaoBriefWithTime`:        cGenDaoBriefWithTime,
 		`cGenDaoBriefGJsonSupport`:    cGenDaoBriefGJsonSupport,
 		`cGenDaoBriefImportPrefix`:    cGenDaoBriefImportPrefix,
 		`cGenDaoBriefOverwriteDao`:    cGenDaoBriefOverwriteDao,
@ -129,8 +131,6 @@ func init() {
 		`cGenDaoBriefGroup`:           cGenDaoBriefGroup,
 		`cGenDaoBriefJsonCase`:        cGenDaoBriefJsonCase,
 	})
-
-	createdAt = gtime.Now()
 }

 type (
@ -146,6 +146,7 @@ type (
 		JsonCase       string `name:"jsonCase"        short:"j" brief:"{cGenDaoBriefJsonCase}" d:"CamelLower"`
 		ImportPrefix   string `name:"importPrefix"    short:"i" brief:"{cGenDaoBriefImportPrefix}"`
 		StdTime        bool   `name:"stdTime"         short:"s" brief:"{cGenDaoBriefStdTime}"         orphan:"true"`
+		WithTime       bool   `name:"withTime"        short:"c" brief:"{cGenDaoBriefWithTime}"        orphan:"true"`
 		GJsonSupport   bool   `name:"gJsonSupport"    short:"n" brief:"{cGenDaoBriefGJsonSupport}"    orphan:"true"`
 		OverwriteDao   bool   `name:"overwriteDao"    short:"o" brief:"{cGenDaoBriefOverwriteDao}"    orphan:"true"`
 		DescriptionTag bool   `name:"descriptionTag"  short:"d" brief:"{cGenDaoBriefDescriptionTag}"  orphan:"true"`
@ -216,20 +217,26 @@ func doGenDaoForArray(ctx context.Context, index int, in cGenDaoInput) {

 	// It uses user passed database configuration.
 	if in.Link != "" {
-		tempGroup := gtime.TimestampNanoStr()
-		match, _ := gregex.MatchString(`([a-z]+):(.+)`, in.Link)
+		var (
+			tempGroup = gtime.TimestampNanoStr()
+			match, _  = gregex.MatchString(`([a-z]+):(.+)`, in.Link)
+		)
 		if len(match) == 3 {
 			gdb.AddConfigNode(tempGroup, gdb.ConfigNode{
 				Type: gstr.Trim(match[1]),
 				Link: gstr.Trim(match[2]),
 			})
-			db, _ = gdb.Instance(tempGroup)
+			if db, err = gdb.Instance(tempGroup); err != nil {
+				mlog.Debugf(`database initialization failed: %+v`, err)
+			}
+		} else {
+			mlog.Fatalf(`invalid database configuration: %s`, in.Link)
 		}
 	} else {
 		db = g.DB(in.Group)
 	}
 	if db == nil {
-		mlog.Fatal("database initialization failed")
+		mlog.Fatal(`database initialization failed, may be invalid database configuration`)
 	}

 	var tableNames []string
@ -238,7 +245,7 @@ func doGenDaoForArray(ctx context.Context, index int, in cGenDaoInput) {
 	} else {
 		tableNames, err = db.Tables(context.TODO())
 		if err != nil {
-			mlog.Fatalf("fetching tables failed: \n %v", err)
+			mlog.Fatalf("fetching tables failed: %+v", err)
 		}
 	}
 	// Table excluding.
@ -284,7 +291,7 @@ func generateDao(ctx context.Context, db gdb.DB, in cGenDaoInternalInput) {
 	// Generating table data preparing.
 	fieldMap, err := db.TableFields(ctx, in.TableName)
 	if err != nil {
-		mlog.Fatalf("fetching tables fields failed for table '%s':\n%v", in.TableName, err)
+		mlog.Fatalf(`fetching tables fields failed for table "%s": %+v`, in.TableName, err)
 	}
 	var (
 		dirRealPath             = gfile.RealPath(in.Path)
@ -315,10 +322,10 @@ func generateDao(ctx context.Context, db gdb.DB, in cGenDaoInternalInput) {
 	}

 	// dao - index
-	generateDaoIndex(tableNameCamelCase, tableNameCamelLowerCase, importPrefix, dirPathDao, fileName, in)
+	generateDaoIndex(in, tableNameCamelCase, tableNameCamelLowerCase, importPrefix, dirPathDao, fileName)

 	// dao - internal
-	generateDaoInternal(tableNameCamelCase, tableNameCamelLowerCase, importPrefix, dirPathDao, fileName, fieldMap, in)
+	generateDaoInternal(in, tableNameCamelCase, tableNameCamelLowerCase, importPrefix, dirPathDao, fileName, fieldMap)
 }

 func generateDo(ctx context.Context, db gdb.DB, tableNames, newTableNames []string, in cGenDaoInternalInput) {
@ -358,13 +365,14 @@ func generateDo(ctx context.Context, db gdb.DB, tableNames, newTableNames []stri
 			},
 		)
 		modelContent := generateDoContent(
+			in,
 			tableName,
 			gstr.CaseCamel(newTableName),
 			structDefinition,
 		)
 		err = gfile.PutContents(doFilePath, strings.TrimSpace(modelContent))
 		if err != nil {
-			mlog.Fatalf("writing content to '%s' failed: %v", doFilePath, err)
+			mlog.Fatalf(`writing content to "%s" failed: %v`, doFilePath, err)
 		} else {
 			utils.GoFmt(doFilePath)
 			mlog.Print("generated:", doFilePath)
@ -387,6 +395,7 @@ func generateEntity(ctx context.Context, db gdb.DB, tableNames, newTableNames []
 			newTableName   = newTableNames[i]
 			entityFilePath = gfile.Join(entityDirPath, gstr.CaseSnake(newTableName)+".go")
 			entityContent  = generateEntityContent(
+				in,
 				newTableName,
 				gstr.CaseCamel(newTableName),
 				generateStructDefinition(generateStructDefinitionInput{
@ -436,29 +445,29 @@ func getImportPartContent(source string, isDo bool) string {
 	return packageImportsStr
 }

-func generateEntityContent(tableName, tableNameCamelCase, structDefine string) string {
+func generateEntityContent(in cGenDaoInternalInput, tableName, tableNameCamelCase, structDefine string) string {
 	entityContent := gstr.ReplaceByMap(consts.TemplateGenDaoEntityContent, g.MapStrStr{
 		tplVarTableName:          tableName,
 		tplVarPackageImports:     getImportPartContent(structDefine, false),
 		tplVarTableNameCamelCase: tableNameCamelCase,
 		tplVarStructDefine:       structDefine,
 	})
-	entityContent = replaceDefaultVar(entityContent)
+	entityContent = replaceDefaultVar(in, entityContent)
 	return entityContent
 }

-func generateDoContent(tableName, tableNameCamelCase, structDefine string) string {
+func generateDoContent(in cGenDaoInternalInput, tableName, tableNameCamelCase, structDefine string) string {
 	doContent := gstr.ReplaceByMap(consts.TemplateGenDaoDoContent, g.MapStrStr{
 		tplVarTableName:          tableName,
 		tplVarPackageImports:     getImportPartContent(structDefine, true),
 		tplVarTableNameCamelCase: tableNameCamelCase,
 		tplVarStructDefine:       structDefine,
 	})
-	doContent = replaceDefaultVar(doContent)
+	doContent = replaceDefaultVar(in, doContent)
 	return doContent
 }

-func generateDaoIndex(tableNameCamelCase, tableNameCamelLowerCase, importPrefix, dirPathDao, fileName string, in cGenDaoInternalInput) {
+func generateDaoIndex(in cGenDaoInternalInput, tableNameCamelCase, tableNameCamelLowerCase, importPrefix, dirPathDao, fileName string) {
 	path := gfile.Join(dirPathDao, fileName+".go")
 	if in.OverwriteDao || !gfile.Exists(path) {
 		indexContent := gstr.ReplaceByMap(getTplDaoIndexContent(""), g.MapStrStr{
@ -467,7 +476,7 @@ func generateDaoIndex(tableNameCamelCase, tableNameCamelLowerCase, importPrefix,
 			tplVarTableNameCamelCase:      tableNameCamelCase,
 			tplVarTableNameCamelLowerCase: tableNameCamelLowerCase,
 		})
-		indexContent = replaceDefaultVar(indexContent)
+		indexContent = replaceDefaultVar(in, indexContent)
 		if err := gfile.PutContents(path, strings.TrimSpace(indexContent)); err != nil {
 			mlog.Fatalf("writing content to '%s' failed: %v", path, err)
 		} else {
@ -478,10 +487,10 @@ func generateDaoIndex(tableNameCamelCase, tableNameCamelLowerCase, importPrefix,
 }

 func generateDaoInternal(
+	in cGenDaoInternalInput,
 	tableNameCamelCase, tableNameCamelLowerCase, importPrefix string,
 	dirPathDao, fileName string,
 	fieldMap map[string]*gdb.TableField,
-	in cGenDaoInternalInput,
 ) {
 	path := gfile.Join(dirPathDao, "internal", fileName+".go")
 	modelContent := gstr.ReplaceByMap(getTplDaoInternalContent(""), g.MapStrStr{
@ -493,7 +502,7 @@ func generateDaoInternal(
 		tplVarColumnDefine:            gstr.Trim(generateColumnDefinitionForDao(fieldMap)),
 		tplVarColumnNames:             gstr.Trim(generateColumnNamesForDao(fieldMap)),
 	})
-	modelContent = replaceDefaultVar(modelContent)
+	modelContent = replaceDefaultVar(in, modelContent)
 	if err := gfile.PutContents(path, strings.TrimSpace(modelContent)); err != nil {
 		mlog.Fatalf("writing content to '%s' failed: %v", path, err)
 	} else {
@ -502,9 +511,13 @@ func generateDaoInternal(
 	}
 }

-func replaceDefaultVar(origin string) string {
+func replaceDefaultVar(in cGenDaoInternalInput, origin string) string {
+	var tplDatetimeStr string
+	if in.WithTime {
+		tplDatetimeStr = fmt.Sprintf(`Created at %s`, createdAt.String())
+	}
 	return gstr.ReplaceByMap(origin, g.MapStrStr{
-		tplVarDatetime: createdAt.String(),
+		tplVarDatetimeStr: tplDatetimeStr,
 	})
 }

--- a/cmd/gf/internal/cmd/cmd_version.go
+++ b/cmd/gf/internal/cmd/cmd_version.go
@ -29,8 +29,8 @@ type cVersionOutput struct{}

 func (c cVersion) Index(ctx context.Context, in cVersionInput) (*cVersionOutput, error) {
 	info := gbuild.Info()
-	if info["git"] == "" {
-		info["git"] = "none"
+	if info.Git == "" {
+		info.Git = "none"
 	}
 	mlog.Printf(`GoFrame CLI Tool %s, https://goframe.org`, gf.VERSION)
 	gfVersion, err := c.getGFVersionOfCurrentProject()
@ -41,7 +41,7 @@ func (c cVersion) Index(ctx context.Context, in cVersionInput) (*cVersionOutput,
 	}
 	mlog.Printf(`GoFrame Version: %s`, gfVersion)
 	mlog.Printf(`CLI Installed At: %s`, gfile.SelfPath())
-	if info["gf"] == "" {
+	if info.GoFrame == "" {
 		mlog.Print(`Current is a custom installed version, no installation information.`)
 		return nil, nil
 	}
@ -52,7 +52,7 @@ CLI Built Detail:
  GF Version:  %s
  Git Commit:  %s
  Build Time:  %s
-`, info["go"], info["gf"], info["git"], info["time"])))
+`, info.Golang, info.GoFrame, info.Git, info.Time)))
 	return nil, nil
 }

--- a/cmd/gf/internal/consts/consts_gen_dao_template_dao.go
+++ b/cmd/gf/internal/consts/consts_gen_dao_template_dao.go
@ -30,7 +30,7 @@ var (

 const TemplateDaoDaoInternalContent = `
 // ==========================================================================
-// Code generated by GoFrame CLI tool. DO NOT EDIT. Created at {TplDatetime}
+// Code generated by GoFrame CLI tool. DO NOT EDIT. {TplDatetimeStr}
 // ==========================================================================

 package internal
--- a/cmd/gf/internal/consts/consts_gen_dao_template_do.go
+++ b/cmd/gf/internal/consts/consts_gen_dao_template_do.go
@ -2,7 +2,7 @@ package consts

 const TemplateGenDaoDoContent = `
 // =================================================================================
-// Code generated by GoFrame CLI tool. DO NOT EDIT. Created at {TplDatetime}
+// Code generated by GoFrame CLI tool. DO NOT EDIT. {TplDatetimeStr}
 // =================================================================================

 package do
--- a/cmd/gf/internal/consts/consts_gen_dao_template_entity.go
+++ b/cmd/gf/internal/consts/consts_gen_dao_template_entity.go
@ -2,7 +2,7 @@ package consts

 const TemplateGenDaoEntityContent = `
 // =================================================================================
-// Code generated by GoFrame CLI tool. DO NOT EDIT. Created at {TplDatetime}
+// Code generated by GoFrame CLI tool. DO NOT EDIT. {TplDatetimeStr}
 // =================================================================================

 package entity
--- a/cmd/gf/internal/packed/template-mono.go
+++ b/cmd/gf/internal/packed/template-mono.go
--- a/cmd/gf/internal/packed/template-single.go
+++ b/cmd/gf/internal/packed/template-single.go
--- a/cmd/gf/internal/service/install.go
+++ b/cmd/gf/internal/service/install.go
@ -32,7 +32,7 @@ type serviceInstallAvailablePath struct {

 func (s serviceInstall) Run(ctx context.Context) (err error) {
 	// Ask where to install.
-	paths := s.getInstallPathsData()
+	paths := s.getAvailablePaths()
 	if len(paths) <= 0 {
 		mlog.Printf("no path detected, you can manually install gf by copying the binary to path folder.")
 		return
@ -43,16 +43,21 @@ func (s serviceInstall) Run(ctx context.Context) (err error) {
 	// Print all paths status and determine the default selectedID value.
 	var (
 		selectedID = -1
+		newPaths   []serviceInstallAvailablePath
 		pathSet    = gset.NewStrSet() // Used for repeated items filtering.
 	)
-	for id, aPath := range paths {
-		if !pathSet.AddIfNotExist(aPath.dirPath) {
+	for _, path := range paths {
+		if !pathSet.AddIfNotExist(path.dirPath) {
 			continue
 		}
-		mlog.Printf("  %2d | %8t | %9t | %s", id, aPath.writable, aPath.installed, aPath.dirPath)
+		newPaths = append(newPaths, path)
+	}
+	paths = newPaths
+	for id, path := range paths {
+		mlog.Printf("  %2d | %8t | %9t | %s", id, path.writable, path.installed, path.dirPath)
 		if selectedID == -1 {
 			// Use the previously installed path as the most priority choice.
-			if aPath.installed {
+			if path.installed {
 				selectedID = id
 			}
 		}
@ -61,6 +66,7 @@ func (s serviceInstall) Run(ctx context.Context) (err error) {
 	if selectedID == -1 {
 		// Order by choosing priority.
 		commonPaths := garray.NewStrArrayFrom(g.SliceStr{
+			s.getGoPathBin(),
 			`/usr/local/bin`,
 			`/usr/bin`,
 			`/usr/sbin`,
@ -121,10 +127,10 @@ func (s serviceInstall) Run(ctx context.Context) (err error) {
 	}

 	// Uninstall the old binary.
-	for _, aPath := range paths {
+	for _, path := range paths {
 		// Do not delete myself.
-		if aPath.filePath != "" && aPath.filePath != dstPath.filePath && gfile.SelfPath() != aPath.filePath {
-			_ = gfile.Remove(aPath.filePath)
+		if path.filePath != "" && path.filePath != dstPath.filePath && gfile.SelfPath() != path.filePath {
+			_ = gfile.Remove(path.filePath)
 		}
 	}
 	return
@ -132,7 +138,7 @@ func (s serviceInstall) Run(ctx context.Context) (err error) {

 // IsInstalled checks and returns whether the binary is installed.
 func (s serviceInstall) IsInstalled() bool {
-	paths := s.getInstallPathsData()
+	paths := s.getAvailablePaths()
 	for _, aPath := range paths {
 		if aPath.installed {
 			return true
@ -141,11 +147,26 @@ func (s serviceInstall) IsInstalled() bool {
 	return false
 }

-// GetInstallPathsData returns the installation paths data for the binary.
-func (s serviceInstall) getInstallPathsData() []serviceInstallAvailablePath {
-	var folderPaths []serviceInstallAvailablePath
-	// Pre generate binaryFileName.
-	binaryFileName := "gf" + gfile.Ext(gfile.SelfPath())
+// getGoPathBinFilePath retrieves ad returns the GOPATH/bin path for binary.
+func (s serviceInstall) getGoPathBin() string {
+	if goPath := genv.Get(`GOPATH`).String(); goPath != "" {
+		return gfile.Join(goPath, "bin")
+	}
+	return ""
+}
+
+// getAvailablePaths returns the installation paths data for the binary.
+func (s serviceInstall) getAvailablePaths() []serviceInstallAvailablePath {
+	var (
+		folderPaths    []serviceInstallAvailablePath
+		binaryFileName = "gf" + gfile.Ext(gfile.SelfPath())
+	)
+	// $GOPATH/bin
+	if goPathBin := s.getGoPathBin(); goPathBin != "" {
+		folderPaths = s.checkAndAppendToAvailablePath(
+			folderPaths, goPathBin, binaryFileName,
+		)
+	}
 	switch runtime.GOOS {
 	case "darwin":
 		darwinInstallationCheckPaths := []string{"/usr/local/bin"}
@ -157,21 +178,24 @@ func (s serviceInstall) getInstallPathsData() []serviceInstallAvailablePath {
 		fallthrough

 	default:
-		// $GOPATH/bin
-		gopath := gfile.Join(runtime.GOROOT(), "bin")
-		folderPaths = s.checkAndAppendToAvailablePath(
-			folderPaths, gopath, binaryFileName,
-		)
 		// Search and find the writable directory path.
 		envPath := genv.Get("PATH", genv.Get("Path").String()).String()
 		if gstr.Contains(envPath, ";") {
+			// windows.
 			for _, v := range gstr.SplitAndTrim(envPath, ";") {
+				if v == "." {
+					continue
+				}
 				folderPaths = s.checkAndAppendToAvailablePath(
 					folderPaths, v, binaryFileName,
 				)
 			}
 		} else if gstr.Contains(envPath, ":") {
+			// *nix.
 			for _, v := range gstr.SplitAndTrim(envPath, ":") {
+				if v == "." {
+					continue
+				}
 				folderPaths = s.checkAndAppendToAvailablePath(
 					folderPaths, v, binaryFileName,
 				)
--- a/cmd/gf/internal/utility/mlog/mlog.go
+++ b/cmd/gf/internal/utility/mlog/mlog.go
@ -3,7 +3,6 @@ package mlog
 import (
 	"context"

-	"github.com/gogf/gf/v2/frame/g"
 	"github.com/gogf/gf/v2/os/gcmd"
 	"github.com/gogf/gf/v2/os/genv"
 	"github.com/gogf/gf/v2/os/glog"
@ -36,9 +35,9 @@ func init() {
 func SetHeaderPrint(enabled bool) {
 	logger.SetHeaderPrint(enabled)
 	if enabled {
-		genv.Set(headerPrintEnvName, "1")
+		_ = genv.Set(headerPrintEnvName, "1")
 	} else {
-		genv.Set(headerPrintEnvName, "0")
+		_ = genv.Set(headerPrintEnvName, "0")
 	}
 }

@ -51,17 +50,17 @@ func Printf(format string, v ...interface{}) {
 }

 func Fatal(v ...interface{}) {
-	logger.Fatal(ctx, append(g.Slice{"ERROR:"}, v...)...)
+	logger.Fatal(ctx, v...)
 }

 func Fatalf(format string, v ...interface{}) {
-	logger.Fatalf(ctx, "ERROR: "+format, v...)
+	logger.Fatalf(ctx, format, v...)
 }

 func Debug(v ...interface{}) {
-	logger.Debug(ctx, append(g.Slice{"DEBUG:"}, v...)...)
+	logger.Debug(ctx, v...)
 }

 func Debugf(format string, v ...interface{}) {
-	logger.Debugf(ctx, "DEBUG: "+format, v...)
+	logger.Debugf(ctx, format, v...)
 }
--- a/cmd/gf/main.go
+++ b/cmd/gf/main.go
@ -2,6 +2,8 @@ package main

 import (
 	_ "github.com/gogf/gf/cmd/gf/v2/internal/packed"
+	"github.com/gogf/gf/v2/frame/g"
+	"github.com/gogf/gf/v2/os/gcfg"

 	"github.com/gogf/gf/cmd/gf/v2/internal/cmd"
 	"github.com/gogf/gf/cmd/gf/v2/internal/utility/allyes"
@ -12,6 +14,10 @@ import (
 	"github.com/gogf/gf/v2/text/gstr"
 )

+const (
+	cliFolderName = `hack`
+)
+
 func main() {
 	defer func() {
 		if exception := recover(); exception != nil {
@ -23,6 +29,15 @@ func main() {
 		}
 	}()

+	// CLI configuration.
+	if path, _ := gfile.Search(cliFolderName); path != "" {
+		if adapter, ok := g.Cfg().GetAdapter().(*gcfg.AdapterFile); ok {
+			if err := adapter.SetPath(path); err != nil {
+				mlog.Fatal(err)
+			}
+		}
+	}
+
 	// zsh alias "git fetch" conflicts checks.
 	handleZshAlias()

--- a/container/gmap/gmap_list_map.go
+++ b/container/gmap/gmap_list_map.go
@ -7,6 +7,9 @@
 package gmap

 import (
+	"bytes"
+	"fmt"
+
 	"github.com/gogf/gf/v2/container/glist"
 	"github.com/gogf/gf/v2/container/gvar"
 	"github.com/gogf/gf/v2/internal/empty"
@ -15,6 +18,13 @@ import (
 	"github.com/gogf/gf/v2/util/gconv"
 )

+// ListMap is a map that preserves insertion-order.
+//
+// It is backed by a hash table to store values and doubly-linked list to store ordering.
+//
+// Structure is not thread safe.
+//
+// Reference: http://en.wikipedia.org/wiki/Associative_array
 type ListMap struct {
 	mu   rwmutex.RWMutex
 	data map[interface{}]*glist.Element
@ -58,7 +68,7 @@ func (m *ListMap) IteratorAsc(f func(key interface{}, value interface{}) bool) {
 	m.mu.RLock()
 	defer m.mu.RUnlock()
 	if m.list != nil {
-		node := (*gListMapNode)(nil)
+		var node *gListMapNode
 		m.list.IteratorAsc(func(e *glist.Element) bool {
 			node = e.Value.(*gListMapNode)
 			return f(node.key, node.value)
@ -72,7 +82,7 @@ func (m *ListMap) IteratorDesc(f func(key interface{}, value interface{}) bool)
 	m.mu.RLock()
 	defer m.mu.RUnlock()
 	if m.list != nil {
-		node := (*gListMapNode)(nil)
+		var node *gListMapNode
 		m.list.IteratorDesc(func(e *glist.Element) bool {
 			node = e.Value.(*gListMapNode)
 			return f(node.key, node.value)
@ -146,8 +156,10 @@ func (m *ListMap) MapStrAny() map[string]interface{} {
 func (m *ListMap) FilterEmpty() {
 	m.mu.Lock()
 	if m.list != nil {
-		keys := make([]interface{}, 0)
-		node := (*gListMapNode)(nil)
+		var (
+			keys = make([]interface{}, 0)
+			node *gListMapNode
+		)
 		m.list.IteratorAsc(func(e *glist.Element) bool {
 			node = e.Value.(*gListMapNode)
 			if empty.IsEmpty(node.value) {
@ -495,7 +507,7 @@ func (m *ListMap) Merge(other *ListMap) {
 		other.mu.RLock()
 		defer other.mu.RUnlock()
 	}
-	node := (*gListMapNode)(nil)
+	var node *gListMapNode
 	other.list.IteratorAsc(func(e *glist.Element) bool {
 		node = e.Value.(*gListMapNode)
 		if e, ok := m.data[node.key]; !ok {
@ -514,8 +526,26 @@ func (m *ListMap) String() string {
 }

 // MarshalJSON implements the interface MarshalJSON for json.Marshal.
-func (m ListMap) MarshalJSON() ([]byte, error) {
-	return json.Marshal(gconv.Map(m.Map()))
+func (m ListMap) MarshalJSON() (jsonBytes []byte, err error) {
+	if m.data == nil {
+		return []byte("null"), nil
+	}
+	buffer := bytes.NewBuffer(nil)
+	buffer.WriteByte('{')
+	m.Iterator(func(key, value interface{}) bool {
+		valueBytes, valueJsonErr := json.Marshal(value)
+		if valueJsonErr != nil {
+			err = valueJsonErr
+			return false
+		}
+		if buffer.Len() > 1 {
+			buffer.WriteByte(',')
+		}
+		buffer.WriteString(fmt.Sprintf(`"%v":%s`, key, valueBytes))
+		return true
+	})
+	buffer.WriteByte('}')
+	return buffer.Bytes(), nil
 }

 // UnmarshalJSON implements the interface UnmarshalJSON for json.Unmarshal.
--- a/container/gmap/gmap_z_example_list_test.go
+++ b/container/gmap/gmap_z_example_list_test.go
@ -8,6 +8,7 @@ package gmap_test

 import (
 	"fmt"
+
 	"github.com/gogf/gf/v2/container/gmap"
 	"github.com/gogf/gf/v2/frame/g"
 	"github.com/gogf/gf/v2/internal/json"
@ -195,7 +196,7 @@ func ExampleListMap_Sets() {
 	m.Sets(addMap)
 	fmt.Println(m)

-	// Output:
+	// May Output:
 	// {"key1":"val1","key2":"val2","key3":"val3"}
 }

@ -562,12 +563,10 @@ func ExampleListMap_String() {

 func ExampleListMap_MarshalJSON() {
 	var m gmap.ListMap
-	m.Sets(g.MapAnyAny{
-		"k1": "v1",
-		"k2": "v2",
-		"k3": "v3",
-		"k4": "v4",
-	})
+	m.Set("k1", "v1")
+	m.Set("k2", "v2")
+	m.Set("k3", "v3")
+	m.Set("k4", "v4")

 	bytes, err := json.Marshal(&m)
 	if err == nil {
--- a/container/gmap/gmap_z_example_test.go
+++ b/container/gmap/gmap_z_example_test.go
@ -8,6 +8,7 @@ package gmap_test

 import (
 	"fmt"
+
 	"github.com/gogf/gf/v2/util/gutil"

 	"github.com/gogf/gf/v2/container/gmap"
@ -277,7 +278,7 @@ func ExampleNewListMapFrom() {
 	n := gmap.NewListMapFrom(m.Map(), true)
 	fmt.Println(n)

-	// Output:
+	// May Output:
 	// {"key1":"var1","key2":"var2"}
 	// {"key1":"var1","key2":"var2"}
 }
@ -290,7 +291,7 @@ func ExampleNewTreeMap() {

 	fmt.Println(m.Map())

-	// Output:
+	// May Output:
 	// map[key1:var1 key2:var2]
 }

@ -305,7 +306,7 @@ func ExampleNewTreeMapFrom() {
 	n := gmap.NewListMapFrom(m.Map(), true)
 	fmt.Println(n.Map())

-	// Output:
+	// May Output:
 	// map[key1:var1 key2:var2]
 	// map[key1:var1 key2:var2]
 }
--- a/container/gmap/gmap_z_unit_list_map_test.go
+++ b/container/gmap/gmap_z_unit_list_map_test.go
@ -186,12 +186,12 @@ func Test_ListMap_Json(t *testing.T) {
 	gtest.C(t, func(t *gtest.T) {
 		data := g.MapAnyAny{
 			"k1": "v1",
-			"k2": "v2",
 		}
 		m1 := gmap.NewListMapFrom(data)
 		b1, err1 := json.Marshal(m1)
+		t.AssertNil(err1)
 		b2, err2 := json.Marshal(gconv.Map(data))
-		t.Assert(err1, err2)
+		t.AssertNil(err2)
 		t.Assert(b1, b2)
 	})
 	// Unmarshal
@ -226,6 +226,27 @@ func Test_ListMap_Json(t *testing.T) {
 	})
 }

+func Test_ListMap_Json_Sequence(t *testing.T) {
+	gtest.C(t, func(t *gtest.T) {
+		m := gmap.NewListMap()
+		for i := 'z'; i >= 'a'; i-- {
+			m.Set(string(i), i)
+		}
+		b, err := json.Marshal(m)
+		t.AssertNil(err)
+		t.Assert(b, `{"z":122,"y":121,"x":120,"w":119,"v":118,"u":117,"t":116,"s":115,"r":114,"q":113,"p":112,"o":111,"n":110,"m":109,"l":108,"k":107,"j":106,"i":105,"h":104,"g":103,"f":102,"e":101,"d":100,"c":99,"b":98,"a":97}`)
+	})
+	gtest.C(t, func(t *gtest.T) {
+		m := gmap.NewListMap()
+		for i := 'a'; i <= 'z'; i++ {
+			m.Set(string(i), i)
+		}
+		b, err := json.Marshal(m)
+		t.AssertNil(err)
+		t.Assert(b, `{"a":97,"b":98,"c":99,"d":100,"e":101,"f":102,"g":103,"h":104,"i":105,"j":106,"k":107,"l":108,"m":109,"n":110,"o":111,"p":112,"q":113,"r":114,"s":115,"t":116,"u":117,"v":118,"w":119,"x":120,"y":121,"z":122}`)
+	})
+}
+
 func Test_ListMap_Pop(t *testing.T) {
 	gtest.C(t, func(t *gtest.T) {
 		m := gmap.NewListMapFrom(g.MapAnyAny{
--- a/container/gpool/gpool.go
+++ b/container/gpool/gpool.go
@ -109,7 +109,7 @@ func (p *Pool) Get() (interface{}, error) {
 			if f.expireAt == 0 || f.expireAt > gtime.TimestampMilli() {
 				return f.value, nil
 			} else if p.ExpireFunc != nil {
-				// TODO: move expire function calling asynchronously from `Get` operation.
+				// TODO: move expire function calling asynchronously out from `Get` operation.
 				p.ExpireFunc(f.value)
 			}
 		} else {
@ -129,7 +129,7 @@ func (p *Pool) Size() int {

 // Close closes the pool. If `p` has ExpireFunc,
 // then it automatically closes all items using this function before it's closed.
-// Commonly you do not need call this function manually.
+// Commonly you do not need to call this function manually.
 func (p *Pool) Close() {
 	p.closed.Set(true)
 }
--- a/container/gring/gring.go
+++ b/container/gring/gring.go
@ -171,10 +171,13 @@ func (r *Ring) Link(s *Ring) *Ring {
 //
 func (r *Ring) Unlink(n int) *Ring {
 	r.mu.Lock()
-	r.ring = r.ring.Unlink(n)
+	resultRing := r.ring.Unlink(n)
 	r.dirty.Set(true)
 	r.mu.Unlock()
-	return r
+	resultGRing := New(resultRing.Len())
+	resultGRing.ring = resultRing
+	resultGRing.dirty.Set(true)
+	return resultGRing
 }

 // RLockIteratorNext iterates and locks reading forward
--- a/container/gring/gring_z_example_test.go
+++ b/container/gring/gring_z_example_test.go
@ -8,6 +8,7 @@ package gring_test

 import (
 	"fmt"
+
 	"github.com/gogf/gf/v2/container/gring"
 )

@ -209,10 +210,10 @@ func ExampleRing_Unlink() {
 	// Before Unlink, Cap: 10
 	// Before Unlink,  [0 9 8 7 6 5 4 3 2 1]
 	// Before Unlink,  [0 1 2 3 4 5 6 7 8 9]
-	// After Unlink, Len: 7
-	// After Unlink, Cap: 7
-	// After Unlink,  [1 7 6 5 4 3 2]
-	// After Unlink,  [1 2 3 4 5 6 7]
+	// After Unlink, Len: 3
+	// After Unlink, Cap: 3
+	// After Unlink,  [0 9 8]
+	// After Unlink,  [0 8 9]
 }

 func ExampleRing_RLockIteratorNext() {
--- a/container/gring/gring_z_unit_test.go
+++ b/container/gring/gring_z_unit_test.go
@ -7,6 +7,7 @@
 package gring_test

 import (
+	"container/ring"
 	"testing"

 	"github.com/gogf/gf/v2/container/gring"
@ -137,3 +138,48 @@ func TestRing_Slice(t *testing.T) {
 		t.Assert(array4, g.Slice{1, 5, 4, 3, 2})
 	})
 }
+
+// https://github.com/gogf/gf/issues/1394
+func Test_Issue1394(t *testing.T) {
+	gtest.C(t, func(t *gtest.T) {
+		// gring.
+		gRing := gring.New(10)
+		for i := 0; i < 10; i++ {
+			gRing.Put(i)
+		}
+		t.Logf("the length:%d", gRing.Len())
+		gRingResult := gRing.Unlink(6)
+		for i := 0; i < 10; i++ {
+			t.Log(gRing.Val())
+			gRing = gRing.Next()
+		}
+		t.Logf("the ring length:%d", gRing.Len())
+		t.Logf("the result length:%d", gRingResult.Len())
+
+		// stdring
+		stdRing := ring.New(10)
+		for i := 0; i < 10; i++ {
+			stdRing.Value = i
+			stdRing = stdRing.Next()
+		}
+		t.Logf("the length:%d", stdRing.Len())
+		stdRingResult := stdRing.Unlink(6)
+		for i := 0; i < 10; i++ {
+			t.Log(stdRing.Value)
+			stdRing = stdRing.Next()
+		}
+		t.Logf("the ring length:%d", stdRing.Len())
+		t.Logf("the result length:%d", stdRingResult.Len())
+
+		// Assertion.
+		t.Assert(gRing.Len(), stdRing.Len())
+		t.Assert(gRingResult.Len(), stdRingResult.Len())
+
+		for i := 0; i < 10; i++ {
+			t.Assert(stdRing.Value, gRing.Val())
+			stdRing = stdRing.Next()
+			gRing = gRing.Next()
+		}
+	})
+
+}
--- a/container/gset/gset_str_set.go
+++ b/container/gset/gset_str_set.go
@ -69,7 +69,7 @@ func (set *StrSet) Add(item ...string) {
 }

 // AddIfNotExist checks whether item exists in the set,
-// it adds the item to set and returns true if it does not exists in the set,
+// it adds the item to set and returns true if it does not exist in the set,
 // or else it does nothing and returns false.
 func (set *StrSet) AddIfNotExist(item string) bool {
 	if !set.Contains(item) {
--- a/container/gtree/gtree_avltree.go
+++ b/container/gtree/gtree_avltree.go
@ -7,6 +7,7 @@
 package gtree

 import (
+	"bytes"
 	"fmt"

 	"github.com/gogf/gf/v2/container/gvar"
@ -780,8 +781,26 @@ func output(node *AVLTreeNode, prefix string, isTail bool, str *string) {
 }

 // MarshalJSON implements the interface MarshalJSON for json.Marshal.
-func (tree AVLTree) MarshalJSON() ([]byte, error) {
-	return json.Marshal(tree.MapStrAny())
+func (tree AVLTree) MarshalJSON() (jsonBytes []byte, err error) {
+	if tree.root == nil {
+		return []byte("null"), nil
+	}
+	buffer := bytes.NewBuffer(nil)
+	buffer.WriteByte('{')
+	tree.Iterator(func(key, value interface{}) bool {
+		valueBytes, valueJsonErr := json.Marshal(value)
+		if valueJsonErr != nil {
+			err = valueJsonErr
+			return false
+		}
+		if buffer.Len() > 1 {
+			buffer.WriteByte(',')
+		}
+		buffer.WriteString(fmt.Sprintf(`"%v":%s`, key, valueBytes))
+		return true
+	})
+	buffer.WriteByte('}')
+	return buffer.Bytes(), nil
 }

 // getComparator returns the comparator if it's previously set,
--- a/container/gtree/gtree_btree.go
+++ b/container/gtree/gtree_btree.go
@ -575,10 +575,10 @@ func (tree *BTree) output(buffer *bytes.Buffer, node *BTreeNode, level int, isTa
 		}
 		if e < len(node.Entries) {
 			if _, err := buffer.WriteString(strings.Repeat("    ", level)); err != nil {
-				intlog.Error(context.TODO(), err)
+				intlog.Errorf(context.TODO(), `%+v`, err)
 			}
 			if _, err := buffer.WriteString(fmt.Sprintf("%v", node.Entries[e].Key) + "\n"); err != nil {
-				intlog.Error(context.TODO(), err)
+				intlog.Errorf(context.TODO(), `%+v`, err)
 			}
 		}
 	}
@ -944,8 +944,26 @@ func (tree *BTree) deleteChild(node *BTreeNode, index int) {
 }

 // MarshalJSON implements the interface MarshalJSON for json.Marshal.
-func (tree BTree) MarshalJSON() ([]byte, error) {
-	return json.Marshal(tree.MapStrAny())
+func (tree BTree) MarshalJSON() (jsonBytes []byte, err error) {
+	if tree.root == nil {
+		return []byte("null"), nil
+	}
+	buffer := bytes.NewBuffer(nil)
+	buffer.WriteByte('{')
+	tree.Iterator(func(key, value interface{}) bool {
+		valueBytes, valueJsonErr := json.Marshal(value)
+		if valueJsonErr != nil {
+			err = valueJsonErr
+			return false
+		}
+		if buffer.Len() > 1 {
+			buffer.WriteByte(',')
+		}
+		buffer.WriteString(fmt.Sprintf(`"%v":%s`, key, valueBytes))
+		return true
+	})
+	buffer.WriteByte('}')
+	return buffer.Bytes(), nil
 }

 // getComparator returns the comparator if it's previously set,
--- a/container/gtree/gtree_redblacktree.go
+++ b/container/gtree/gtree_redblacktree.go
@ -7,6 +7,7 @@
 package gtree

 import (
+	"bytes"
 	"fmt"

 	"github.com/gogf/gf/v2/container/gvar"
@ -925,8 +926,26 @@ func (tree *RedBlackTree) nodeColor(node *RedBlackTreeNode) color {
 }

 // MarshalJSON implements the interface MarshalJSON for json.Marshal.
-func (tree RedBlackTree) MarshalJSON() ([]byte, error) {
-	return json.Marshal(gconv.Map(tree.Map()))
+func (tree RedBlackTree) MarshalJSON() (jsonBytes []byte, err error) {
+	if tree.root == nil {
+		return []byte("null"), nil
+	}
+	buffer := bytes.NewBuffer(nil)
+	buffer.WriteByte('{')
+	tree.Iterator(func(key, value interface{}) bool {
+		valueBytes, valueJsonErr := json.Marshal(value)
+		if valueJsonErr != nil {
+			err = valueJsonErr
+			return false
+		}
+		if buffer.Len() > 1 {
+			buffer.WriteByte(',')
+		}
+		buffer.WriteString(fmt.Sprintf(`"%v":%s`, key, valueBytes))
+		return true
+	})
+	buffer.WriteByte('}')
+	return buffer.Bytes(), nil
 }

 // UnmarshalJSON implements the interface UnmarshalJSON for json.Unmarshal.
--- a/contrib/drivers/.gitattributes
+++ b/contrib/drivers/.gitattributes
@ -1,3 +0,0 @@
-*.js linguist-language=GO
-*.css linguist-language=GO
-*.html linguist-language=GO
--- a/contrib/drivers/.gitignore
+++ b/contrib/drivers/.gitignore
@ -1,19 +0,0 @@
-.buildpath
-.hgignore.swp
-.project
-.orig
-.swp
-.idea/
-.settings/
-.vscode/
-vendor/
-composer.lock
-gitpush.sh
-pkg/
-bin/
-cbuild
-**/.DS_Store
-.vscode/
-.test/
-main
-gf
--- a/contrib/drivers/LICENSE
+++ b/contrib/drivers/LICENSE
@ -1,21 +0,0 @@
-MIT License
-
-Copyright (c) 2017 john@goframe.org https://goframe.org
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.
--- a/contrib/drivers/README.md
+++ b/contrib/drivers/README.md
@ -4,12 +4,12 @@ Database drivers for package gdb.
 # Installation
 Let's take `pgsql` for example.
 ```
-go get -u github.com/gogf/gf/contrib/drivers/v2
+go get -u github.com/gogf/gf/contrib/drivers/pgsql/v2
 ```

 Choose and import the driver to your project:
 ```
-import _ "github.com/gogf/gf/contrib/drivers/v2/pgsql"
+import _ "github.com/gogf/gf/contrib/drivers/pgsql/v2"
 ```

 # Supported Drivers
@ -20,14 +20,14 @@ BuiltIn supported, nothing todo.

 ## SQLite
 ```
-import _ "github.com/gogf/gf/contrib/drivers/v2/sqlite"
+import _ "github.com/gogf/gf/contrib/drivers/sqlite/v2"
 ```
 Note:
 - It does not support `Save/Replace` features.

 ## PostgreSQL
 ```
-import _ "github.com/gogf/gf/contrib/drivers/v2/pgsql"
+import _ "github.com/gogf/gf/contrib/drivers/pgsql/v2"
 ```
 Note:
 - It does not support `Save/Replace` features.
@ -35,7 +35,7 @@ Note:

 ## SQL Server
 ```
-import _ "github.com/gogf/gf/contrib/drivers/v2/mssql"
+import _ "github.com/gogf/gf/contrib/drivers/mssql/v2"
 ```
 Note:
 - It does not support `Save/Replace` features.
@ -44,7 +44,7 @@ Note:

 ## Oracle
 ```
-import _ "github.com/gogf/gf/contrib/drivers/v2/oracle"
+import _ "github.com/gogf/gf/contrib/drivers/oracle/v2"
 ```
 Note:
 - It does not support `Save/Replace` features.
--- a/contrib/drivers/clickhouse/go.mod
+++ b/contrib/drivers/clickhouse/go.mod
@ -0,0 +1,13 @@
+module github.com/gogf/gf/contrib/drivers/clickhouse/v2
+
+go 1.15
+
+require (
+	github.com/ClickHouse/clickhouse-go v1.5.2
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/kr/pretty v0.1.0 // indirect
+	github.com/stretchr/testify v1.7.0 // indirect
+	gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 // indirect
+	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b // indirect
+)
+
--- a/contrib/drivers/clickhouse/go.sum
+++ b/contrib/drivers/clickhouse/go.sum
@ -0,0 +1,32 @@
+github.com/ClickHouse/clickhouse-go v1.5.2 h1:yXgaOZ8WEHrd+okvZXjzulSt1zS33nM4ujfx9lVncl8=
+github.com/ClickHouse/clickhouse-go v1.5.2/go.mod h1:EaI/sW7Azgz9UATzd5ZdZHRUhHgv5+JMS9NSr2smCJI=
+github.com/bkaradzic/go-lz4 v1.0.0 h1:RXc4wYsyz985CkXXeX04y4VnZFGG8Rd43pRaHsOXAKk=
+github.com/bkaradzic/go-lz4 v1.0.0/go.mod h1:0YdlkowM3VswSROI7qDxhRvJ3sLhlFrRRwjwegp5jy4=
+github.com/cloudflare/golz4 v0.0.0-20150217214814-ef862a3cdc58 h1:F1EaeKL/ta07PY/k9Os/UFtwERei2/XzGemhpGnBKNg=
+github.com/cloudflare/golz4 v0.0.0-20150217214814-ef862a3cdc58/go.mod h1:EOBUe0h4xcZ5GoxqC5SDxFQ8gwyZPKQoEzownBlhI80=
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+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
+gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b h1:h8qDotaEPuJATrMmW04NCwg7v22aHH28wwpauUhK9Oo=
+gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
--- a/contrib/drivers/go.mod
+++ b/contrib/drivers/go.mod
@ -1,14 +0,0 @@
-module github.com/gogf/gf/contrib/drivers/v2
-
-go 1.15
-
-require (
-	github.com/ClickHouse/clickhouse-go v1.5.2
-	github.com/denisenkom/go-mssqldb v0.11.0
-	github.com/gogf/gf/v2 v2.0.0-rc
-	github.com/lib/pq v1.10.4
-	github.com/mattn/go-oci8 v0.1.1
-	github.com/mattn/go-sqlite3 v1.14.10
-)
-
-replace github.com/gogf/gf/v2 => ../../
--- a/contrib/drivers/mssql/go.mod
+++ b/contrib/drivers/mssql/go.mod
@ -0,0 +1,10 @@
+module github.com/gogf/gf/contrib/drivers/mssql/v2
+
+go 1.15
+
+require (
+	github.com/denisenkom/go-mssqldb v0.11.0
+	github.com/gogf/gf/v2 v2.0.0-rc
+)
+
+replace github.com/gogf/gf/v2 => ../../../
--- a/contrib/drivers/mssql/go.sum
+++ b/contrib/drivers/mssql/go.sum
@ -0,0 +1,155 @@
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--- a/contrib/drivers/mssql/mssql.go
+++ b/contrib/drivers/mssql/mssql.go
@ -29,8 +29,8 @@ import (
 	"github.com/gogf/gf/v2/text/gstr"
 )

-// DriverMssql is the driver for SQL server database.
-type DriverMssql struct {
+// Driver is the driver for SQL server database.
+type Driver struct {
 	*gdb.Core
 }

@ -47,19 +47,19 @@ func init() {

 // New create and returns a driver that implements gdb.Driver, which supports operations for Mssql.
 func New() gdb.Driver {
-	return &DriverMssql{}
+	return &Driver{}
 }

 // New creates and returns a database object for SQL server.
 // It implements the interface of gdb.Driver for extra database driver installation.
-func (d *DriverMssql) New(core *gdb.Core, node *gdb.ConfigNode) (gdb.DB, error) {
-	return &DriverMssql{
+func (d *Driver) New(core *gdb.Core, node *gdb.ConfigNode) (gdb.DB, error) {
+	return &Driver{
 		Core: core,
 	}, nil
 }

 // Open creates and returns an underlying sql.DB object for mssql.
-func (d *DriverMssql) Open(config *gdb.ConfigNode) (db *sql.DB, err error) {
+func (d *Driver) Open(config *gdb.ConfigNode) (db *sql.DB, err error) {
 	var (
 		source               string
 		underlyingDriverName = "sqlserver"
@ -85,7 +85,7 @@ func (d *DriverMssql) Open(config *gdb.ConfigNode) (db *sql.DB, err error) {

 // FilteredLink retrieves and returns filtered `linkInfo` that can be using for
 // logging or tracing purpose.
-func (d *DriverMssql) FilteredLink() string {
+func (d *Driver) FilteredLink() string {
 	linkInfo := d.GetConfig().Link
 	if linkInfo == "" {
 		return ""
@ -99,12 +99,12 @@ func (d *DriverMssql) FilteredLink() string {
 }

 // GetChars returns the security char for this type of database.
-func (d *DriverMssql) GetChars() (charLeft string, charRight string) {
+func (d *Driver) GetChars() (charLeft string, charRight string) {
 	return "\"", "\""
 }

 // DoFilter deals with the sql string before commits it to underlying sql driver.
-func (d *DriverMssql) DoFilter(ctx context.Context, link gdb.Link, sql string, args []interface{}) (newSql string, newArgs []interface{}, err error) {
+func (d *Driver) DoFilter(ctx context.Context, link gdb.Link, sql string, args []interface{}) (newSql string, newArgs []interface{}, err error) {
 	defer func() {
 		newSql, newArgs, err = d.Core.DoFilter(ctx, link, newSql, newArgs)
 	}()
@ -120,7 +120,7 @@ func (d *DriverMssql) DoFilter(ctx context.Context, link gdb.Link, sql string, a

 // parseSql does some replacement of the sql before commits it to underlying driver,
 // for support of microsoft sql server.
-func (d *DriverMssql) parseSql(sql string) string {
+func (d *Driver) parseSql(sql string) string {
 	// SELECT * FROM USER WHERE ID=1 LIMIT 1
 	if m, _ := gregex.MatchString(`^SELECT(.+)LIMIT 1$`, sql); len(m) > 1 {
 		return fmt.Sprintf(`SELECT TOP 1 %s`, m[1])
@ -134,11 +134,12 @@ func (d *DriverMssql) parseSql(sql string) string {
 	if err != nil {
 		return ""
 	}
-	index := 0
-	keyword := strings.TrimSpace(res[index][0])
-	keyword = strings.ToUpper(keyword)
+	var (
+		index   = 0
+		keyword = strings.TrimSpace(res[index][0])
+	)
 	index++
-	switch keyword {
+	switch strings.ToUpper(keyword) {
 	case "SELECT":
 		// LIMIT statement checks.
 		if len(res) < 2 ||
@ -150,9 +151,11 @@ func (d *DriverMssql) parseSql(sql string) string {
 			break
 		}
 		// ORDER BY statement checks.
-		selectStr := ""
-		orderStr := ""
-		haveOrder := gregex.IsMatchString("((?i)SELECT)(.+)((?i)ORDER BY)", sql)
+		var (
+			selectStr = ""
+			orderStr  = ""
+			haveOrder = gregex.IsMatchString("((?i)SELECT)(.+)((?i)ORDER BY)", sql)
+		)
 		if haveOrder {
 			queryExpr, _ := gregex.MatchString("((?i)SELECT)(.+)((?i)ORDER BY)", sql)
 			if len(queryExpr) != 4 ||
@ -213,7 +216,7 @@ func (d *DriverMssql) parseSql(sql string) string {

 // Tables retrieves and returns the tables of current schema.
 // It's mainly used in cli tool chain for automatically generating the models.
-func (d *DriverMssql) Tables(ctx context.Context, schema ...string) (tables []string, err error) {
+func (d *Driver) Tables(ctx context.Context, schema ...string) (tables []string, err error) {
 	var result gdb.Result
 	link, err := d.SlaveLink(schema...)
 	if err != nil {
@ -232,10 +235,10 @@ func (d *DriverMssql) Tables(ctx context.Context, schema ...string) (tables []st
 	return
 }

-// TableFields retrieves and returns the fields information of specified table of current schema.
+// TableFields retrieves and returns the fields' information of specified table of current schema.
 //
 // Also see DriverMysql.TableFields.
-func (d *DriverMssql) TableFields(ctx context.Context, table string, schema ...string) (fields map[string]*gdb.TableField, err error) {
+func (d *Driver) TableFields(ctx context.Context, table string, schema ...string) (fields map[string]*gdb.TableField, err error) {
 	charL, charR := d.GetChars()
 	table = gstr.Trim(table, charL+charR)
 	if gstr.Contains(table, " ") {
@ -283,7 +286,7 @@ LEFT JOIN sys.extended_properties g ON a.id=g.major_id AND a.colid=g.minor_id
 LEFT JOIN sys.extended_properties f ON d.id=f.major_id AND f.minor_id =0
 WHERE d.name='%s'
 ORDER BY a.id,a.colorder`,
-				strings.ToUpper(table),
+				table,
 			)
 			structureSql, _ = gregex.ReplaceString(`[\n\r\s]+`, " ", gstr.Trim(structureSql))
 			result, err = d.DoGetAll(ctx, link, structureSql)
@ -294,8 +297,8 @@ ORDER BY a.id,a.colorder`,
 			for i, m := range result {
 				fields[strings.ToLower(m["Field"].String())] = &gdb.TableField{
 					Index:   i,
-					Name:    strings.ToLower(m["Field"].String()),
-					Type:    strings.ToLower(m["Type"].String()),
+					Name:    m["Field"].String(),
+					Type:    m["Type"].String(),
 					Null:    m["Null"].Bool(),
 					Key:     m["Key"].String(),
 					Default: m["Default"].Val(),
@ -313,7 +316,7 @@ ORDER BY a.id,a.colorder`,
 }

 // DoInsert is not supported in mssql.
-func (d *DriverMssql) DoInsert(ctx context.Context, link gdb.Link, table string, list gdb.List, option gdb.DoInsertOption) (result sql.Result, err error) {
+func (d *Driver) DoInsert(ctx context.Context, link gdb.Link, table string, list gdb.List, option gdb.DoInsertOption) (result sql.Result, err error) {
 	switch option.InsertOption {
 	case gdb.InsertOptionSave:
 		return nil, gerror.NewCode(gcode.CodeNotSupported, `Save operation is not supported by mssql driver`)
--- a/contrib/drivers/mysql/go.mod
+++ b/contrib/drivers/mysql/go.mod
@ -0,0 +1,7 @@
+module github.com/gogf/gf/contrib/drivers/mysql/v2
+
+go 1.15
+
+require github.com/gogf/gf/v2 v2.0.0-rc
+
+replace github.com/gogf/gf/v2 => ../../../
--- a/contrib/drivers/mysql/go.sum
+++ b/contrib/drivers/mysql/go.sum
@ -0,0 +1,343 @@
+cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
+github.com/BurntSushi/toml v0.4.1 h1:GaI7EiDXDRfa8VshkTj7Fym7ha+y8/XxIgD2okUIjLw=
+github.com/BurntSushi/toml v0.4.1/go.mod h1:CxXYINrC8qIiEnFrOxCa7Jy5BFHlXnUU2pbicEuybxQ=
+github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
+github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
+github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
+github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
+github.com/alecthomas/units v0.0.0-20190924025748-f65c72e2690d/go.mod h1:rBZYJk541a8SKzHPHnH3zbiI+7dagKZ0cgpgrD7Fyho=
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--- a/contrib/drivers/oracle/go.mod
+++ b/contrib/drivers/oracle/go.mod
@ -0,0 +1,10 @@
+module github.com/gogf/gf/contrib/drivers/oracle/v2
+
+go 1.15
+
+require (
+	github.com/gogf/gf/v2 v2.0.0-rc
+	github.com/mattn/go-oci8 v0.1.1
+)
+
+replace github.com/gogf/gf/v2 => ../../../
--- a/contrib/drivers/oracle/go.sum
+++ b/contrib/drivers/oracle/go.sum
@ -0,0 +1,345 @@
+cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
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--- a/contrib/drivers/oracle/oracle.go
+++ b/contrib/drivers/oracle/oracle.go
@ -32,8 +32,8 @@ import (
 	"github.com/gogf/gf/v2/util/gconv"
 )

-// DriverOracle is the driver for oracle database.
-type DriverOracle struct {
+// Driver is the driver for oracle database.
+type Driver struct {
 	*gdb.Core
 }

@ -50,19 +50,19 @@ func init() {

 // New create and returns a driver that implements gdb.Driver, which supports operations for Oracle.
 func New() gdb.Driver {
-	return &DriverOracle{}
+	return &Driver{}
 }

 // New creates and returns a database object for oracle.
 // It implements the interface of gdb.Driver for extra database driver installation.
-func (d *DriverOracle) New(core *gdb.Core, node *gdb.ConfigNode) (gdb.DB, error) {
-	return &DriverOracle{
+func (d *Driver) New(core *gdb.Core, node *gdb.ConfigNode) (gdb.DB, error) {
+	return &Driver{
 		Core: core,
 	}, nil
 }

 // Open creates and returns an underlying sql.DB object for oracle.
-func (d *DriverOracle) Open(config *gdb.ConfigNode) (db *sql.DB, err error) {
+func (d *Driver) Open(config *gdb.ConfigNode) (db *sql.DB, err error) {
 	var (
 		source               string
 		underlyingDriverName = "oci8"
@ -88,7 +88,7 @@ func (d *DriverOracle) Open(config *gdb.ConfigNode) (db *sql.DB, err error) {

 // FilteredLink retrieves and returns filtered `linkInfo` that can be using for
 // logging or tracing purpose.
-func (d *DriverOracle) FilteredLink() string {
+func (d *Driver) FilteredLink() string {
 	linkInfo := d.GetConfig().Link
 	if linkInfo == "" {
 		return ""
@ -102,12 +102,12 @@ func (d *DriverOracle) FilteredLink() string {
 }

 // GetChars returns the security char for this type of database.
-func (d *DriverOracle) GetChars() (charLeft string, charRight string) {
+func (d *Driver) GetChars() (charLeft string, charRight string) {
 	return "\"", "\""
 }

 // DoFilter deals with the sql string before commits it to underlying sql driver.
-func (d *DriverOracle) DoFilter(ctx context.Context, link gdb.Link, sql string, args []interface{}) (newSql string, newArgs []interface{}, err error) {
+func (d *Driver) DoFilter(ctx context.Context, link gdb.Link, sql string, args []interface{}) (newSql string, newArgs []interface{}, err error) {
 	defer func() {
 		newSql, newArgs, err = d.Core.DoFilter(ctx, link, newSql, newArgs)
 	}()
@ -136,7 +136,7 @@ func (d *DriverOracle) DoFilter(ctx context.Context, link gdb.Link, sql string,

 // parseSql does some replacement of the sql before commits it to underlying driver,
 // for support of oracle server.
-func (d *DriverOracle) parseSql(sql string) string {
+func (d *Driver) parseSql(sql string) string {
 	var (
 		patten      = `^\s*(?i)(SELECT)|(LIMIT\s*(\d+)\s*,{0,1}\s*(\d*))`
 		allMatch, _ = gregex.MatchAllString(patten, sql)
@ -192,7 +192,7 @@ func (d *DriverOracle) parseSql(sql string) string {
 // Tables retrieves and returns the tables of current schema.
 // It's mainly used in cli tool chain for automatically generating the models.
 // Note that it ignores the parameter `schema` in oracle database, as it is not necessary.
-func (d *DriverOracle) Tables(ctx context.Context, schema ...string) (tables []string, err error) {
+func (d *Driver) Tables(ctx context.Context, schema ...string) (tables []string, err error) {
 	var result gdb.Result
 	result, err = d.DoGetAll(ctx, nil, "SELECT TABLE_NAME FROM USER_TABLES ORDER BY TABLE_NAME")
 	if err != nil {
@ -209,7 +209,7 @@ func (d *DriverOracle) Tables(ctx context.Context, schema ...string) (tables []s
 // TableFields retrieves and returns the fields' information of specified table of current schema.
 //
 // Also see DriverMysql.TableFields.
-func (d *DriverOracle) TableFields(
+func (d *Driver) TableFields(
 	ctx context.Context, table string, schema ...string,
 ) (fields map[string]*gdb.TableField, err error) {
 	charL, charR := d.GetChars()
@ -278,7 +278,7 @@ FROM USER_TAB_COLUMNS WHERE TABLE_NAME = '%s' ORDER BY COLUMN_ID`,
 // 1: replace: if there's unique/primary key in the data, it deletes it from table and inserts a new one;
 // 2: save:    if there's unique/primary key in the data, it updates it or else inserts a new one;
 // 3: ignore:  if there's unique/primary key in the data, it ignores the inserting;
-func (d *DriverOracle) DoInsert(
+func (d *Driver) DoInsert(
 	ctx context.Context, link gdb.Link, table string, list gdb.List, option gdb.DoInsertOption,
 ) (result sql.Result, err error) {
 	switch option.InsertOption {
--- a/contrib/drivers/pgsql/go.mod
+++ b/contrib/drivers/pgsql/go.mod
@ -0,0 +1,10 @@
+module github.com/gogf/gf/contrib/drivers/pgsql/v2
+
+go 1.15
+
+require (
+	github.com/gogf/gf/v2 v2.0.0-rc
+	github.com/lib/pq v1.10.4
+)
+
+replace github.com/gogf/gf/v2 => ../../../
--- a/contrib/drivers/pgsql/go.sum
+++ b/contrib/drivers/pgsql/go.sum
@ -0,0 +1,345 @@
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--- a/contrib/drivers/pgsql/pgsql.go
+++ b/contrib/drivers/pgsql/pgsql.go
@ -13,13 +13,12 @@
 package pgsql

 import (
-	_ "github.com/lib/pq"
-
 	"context"
 	"database/sql"
 	"database/sql/driver"
 	"fmt"
-	"strings"
+
+	_ "github.com/lib/pq"

 	"github.com/gogf/gf/v2/container/gmap"
 	"github.com/gogf/gf/v2/database/gdb"
@ -29,8 +28,8 @@ import (
 	"github.com/gogf/gf/v2/text/gstr"
 )

-// DriverPgsql is the driver for postgresql database.
-type DriverPgsql struct {
+// Driver is the driver for postgresql database.
+type Driver struct {
 	*gdb.Core
 }

@ -47,19 +46,19 @@ func init() {

 // New create and returns a driver that implements gdb.Driver, which supports operations for PostgreSql.
 func New() gdb.Driver {
-	return &DriverPgsql{}
+	return &Driver{}
 }

 // New creates and returns a database object for postgresql.
 // It implements the interface of gdb.Driver for extra database driver installation.
-func (d *DriverPgsql) New(core *gdb.Core, node *gdb.ConfigNode) (gdb.DB, error) {
-	return &DriverPgsql{
+func (d *Driver) New(core *gdb.Core, node *gdb.ConfigNode) (gdb.DB, error) {
+	return &Driver{
 		Core: core,
 	}, nil
 }

 // Open creates and returns an underlying sql.DB object for pgsql.
-func (d *DriverPgsql) Open(config *gdb.ConfigNode) (db *sql.DB, err error) {
+func (d *Driver) Open(config *gdb.ConfigNode) (db *sql.DB, err error) {
 	var (
 		source               string
 		underlyingDriverName = "postgres"
@ -88,7 +87,7 @@ func (d *DriverPgsql) Open(config *gdb.ConfigNode) (db *sql.DB, err error) {

 // FilteredLink retrieves and returns filtered `linkInfo` that can be using for
 // logging or tracing purpose.
-func (d *DriverPgsql) FilteredLink() string {
+func (d *Driver) FilteredLink() string {
 	linkInfo := d.GetConfig().Link
 	if linkInfo == "" {
 		return ""
@ -102,21 +101,27 @@ func (d *DriverPgsql) FilteredLink() string {
 }

 // GetChars returns the security char for this type of database.
-func (d *DriverPgsql) GetChars() (charLeft string, charRight string) {
+func (d *Driver) GetChars() (charLeft string, charRight string) {
 	return "\"", "\""
 }

 // DoFilter deals with the sql string before commits it to underlying sql driver.
-func (d *DriverPgsql) DoFilter(ctx context.Context, link gdb.Link, sql string, args []interface{}) (newSql string, newArgs []interface{}, err error) {
+func (d *Driver) DoFilter(ctx context.Context, link gdb.Link, sql string, args []interface{}) (newSql string, newArgs []interface{}, err error) {
 	defer func() {
 		newSql, newArgs, err = d.Core.DoFilter(ctx, link, newSql, newArgs)
 	}()
-
 	var index int
 	// Convert placeholder char '?' to string "$x".
-	sql, _ = gregex.ReplaceStringFunc("\\?", sql, func(s string) string {
+	sql, _ = gregex.ReplaceStringFunc(`\?`, sql, func(s string) string {
 		index++
-		return fmt.Sprintf("$%d", index)
+		return fmt.Sprintf(`$%d`, index)
+	})
+	// Handle pgsql jsonb feature support, which contains place holder char '?'.
+	// Refer:
+	// https://github.com/gogf/gf/issues/1537
+	// https://www.postgresql.org/docs/12/functions-json.html
+	sql, _ = gregex.ReplaceStringFuncMatch(`(::jsonb([^\w\d]*)\$\d)`, sql, func(match []string) string {
+		return fmt.Sprintf(`::jsonb%s?`, match[2])
 	})
 	newSql, _ = gregex.ReplaceString(` LIMIT (\d+),\s*(\d+)`, ` LIMIT $2 OFFSET $1`, sql)
 	return newSql, args, nil
@ -124,7 +129,7 @@ func (d *DriverPgsql) DoFilter(ctx context.Context, link gdb.Link, sql string, a

 // Tables retrieves and returns the tables of current schema.
 // It's mainly used in cli tool chain for automatically generating the models.
-func (d *DriverPgsql) Tables(ctx context.Context, schema ...string) (tables []string, err error) {
+func (d *Driver) Tables(ctx context.Context, schema ...string) (tables []string, err error) {
 	var result gdb.Result
 	link, err := d.SlaveLink(schema...)
 	if err != nil {
@ -132,7 +137,10 @@ func (d *DriverPgsql) Tables(ctx context.Context, schema ...string) (tables []st
 	}
 	query := "SELECT TABLENAME FROM PG_TABLES WHERE SCHEMANAME = 'public' ORDER BY TABLENAME"
 	if len(schema) > 0 && schema[0] != "" {
-		query = fmt.Sprintf("SELECT TABLENAME FROM PG_TABLES WHERE SCHEMANAME = '%s' ORDER BY TABLENAME", schema[0])
+		query = fmt.Sprintf(
+			"SELECT TABLENAME FROM PG_TABLES WHERE SCHEMANAME = '%s' ORDER BY TABLENAME",
+			schema[0],
+		)
 	}
 	result, err = d.DoGetAll(ctx, link, query)
 	if err != nil {
@ -149,11 +157,14 @@ func (d *DriverPgsql) Tables(ctx context.Context, schema ...string) (tables []st
 // TableFields retrieves and returns the fields' information of specified table of current schema.
 //
 // Also see DriverMysql.TableFields.
-func (d *DriverPgsql) TableFields(ctx context.Context, table string, schema ...string) (fields map[string]*gdb.TableField, err error) {
+func (d *Driver) TableFields(ctx context.Context, table string, schema ...string) (fields map[string]*gdb.TableField, err error) {
 	charL, charR := d.GetChars()
 	table = gstr.Trim(table, charL+charR)
 	if gstr.Contains(table, " ") {
-		return nil, gerror.NewCode(gcode.CodeInvalidParameter, "function TableFields supports only single table operations")
+		return nil, gerror.NewCode(
+			gcode.CodeInvalidParameter,
+			"function TableFields supports only single table operations",
+		)
 	}
 	table, _ = gregex.ReplaceString("\"", "", table)
 	useSchema := d.GetSchema()
@ -180,7 +191,7 @@ FROM pg_attribute a
         left join information_schema.columns ic on ic.column_name = a.attname and ic.table_name = c.relname
 WHERE c.relname = '%s' and a.attisdropped is false and a.attnum > 0
 ORDER BY a.attnum`,
-					strings.ToLower(table),
+					table,
 				)
 			)
 			if link, err = d.SlaveLink(useSchema); err != nil {
@ -213,13 +224,19 @@ ORDER BY a.attnum`,
 }

 // DoInsert is not supported in pgsql.
-func (d *DriverPgsql) DoInsert(ctx context.Context, link gdb.Link, table string, list gdb.List, option gdb.DoInsertOption) (result sql.Result, err error) {
+func (d *Driver) DoInsert(ctx context.Context, link gdb.Link, table string, list gdb.List, option gdb.DoInsertOption) (result sql.Result, err error) {
 	switch option.InsertOption {
 	case gdb.InsertOptionSave:
-		return nil, gerror.NewCode(gcode.CodeNotSupported, `Save operation is not supported by pgsql driver`)
+		return nil, gerror.NewCode(
+			gcode.CodeNotSupported,
+			`Save operation is not supported by pgsql driver`,
+		)

 	case gdb.InsertOptionReplace:
-		return nil, gerror.NewCode(gcode.CodeNotSupported, `Replace operation is not supported by pgsql driver`)
+		return nil, gerror.NewCode(
+			gcode.CodeNotSupported,
+			`Replace operation is not supported by pgsql driver`,
+		)

 	default:
 		return d.Core.DoInsert(ctx, link, table, list, option)
@ -227,7 +244,7 @@ func (d *DriverPgsql) DoInsert(ctx context.Context, link gdb.Link, table string,
 }

 // ConvertDataForRecord converting for any data that will be inserted into table/collection as a record.
-func (d *DriverPgsql) ConvertDataForRecord(ctx context.Context, value interface{}) map[string]interface{} {
+func (d *Driver) ConvertDataForRecord(ctx context.Context, value interface{}) map[string]interface{} {
 	data := gdb.DataToMapDeep(value)
 	var err error
 	for k, v := range data {
@ -240,6 +257,5 @@ func (d *DriverPgsql) ConvertDataForRecord(ctx context.Context, value interface{
 			data[k] = d.Core.ConvertDataForRecordValue(ctx, v)
 		}
 	}
-
 	return data
 }
--- a/contrib/drivers/pgsql/pgsql_test.go
+++ b/contrib/drivers/pgsql/pgsql_test.go
@ -0,0 +1,37 @@
+// Copyright GoFrame Author(https://goframe.org). All Rights Reserved.
+//
+// This Source Code Form is subject to the terms of the MIT License.
+// If a copy of the MIT was not distributed with this file,
+// You can obtain one at https://github.com/gogf/gf.
+
+package pgsql_test
+
+import (
+	"testing"
+
+	"github.com/gogf/gf/contrib/drivers/pgsql/v2"
+	"github.com/gogf/gf/v2/frame/g"
+	"github.com/gogf/gf/v2/os/gctx"
+	"github.com/gogf/gf/v2/test/gtest"
+)
+
+func Test_Driver_DoFilter(t *testing.T) {
+	var (
+		ctx    = gctx.New()
+		driver = pgsql.Driver{}
+	)
+	gtest.C(t, func(t *gtest.T) {
+		var data = g.Map{
+			`select * from user where (role)::jsonb ?| 'admin'`: `select * from user where (role)::jsonb ?| 'admin'`,
+			`select * from user where (role)::jsonb ?| '?'`:     `select * from user where (role)::jsonb ?| '$2'`,
+			`select * from user where (role)::jsonb &? '?'`:     `select * from user where (role)::jsonb &? '$2'`,
+			`select * from user where (role)::jsonb ? '?'`:      `select * from user where (role)::jsonb ? '$2'`,
+			`select * from user where '?'`:                      `select * from user where '$1'`,
+		}
+		for k, v := range data {
+			newSql, _, err := driver.DoFilter(ctx, nil, k, nil)
+			t.AssertNil(err)
+			t.Assert(newSql, v)
+		}
+	})
+}
--- a/contrib/drivers/sqlite/go.mod
+++ b/contrib/drivers/sqlite/go.mod
@ -0,0 +1,10 @@
+module github.com/gogf/gf/contrib/drivers/sqlite/v2
+
+go 1.15
+
+require (
+	github.com/gogf/gf/v2 v2.0.0-rc
+	github.com/mattn/go-sqlite3 v1.14.10
+)
+
+replace github.com/gogf/gf/v2 => ../../../
--- a/contrib/drivers/sqlite/go.sum
+++ b/contrib/drivers/sqlite/go.sum
@ -0,0 +1,345 @@
+cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
+github.com/BurntSushi/toml v0.4.1 h1:GaI7EiDXDRfa8VshkTj7Fym7ha+y8/XxIgD2okUIjLw=
+github.com/BurntSushi/toml v0.4.1/go.mod h1:CxXYINrC8qIiEnFrOxCa7Jy5BFHlXnUU2pbicEuybxQ=
+github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
+github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
+github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
+github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
+github.com/alecthomas/units v0.0.0-20190924025748-f65c72e2690d/go.mod h1:rBZYJk541a8SKzHPHnH3zbiI+7dagKZ0cgpgrD7Fyho=
+github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
+github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
+github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
+github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
+github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
+github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
+github.com/cespare/xxhash/v2 v2.1.2 h1:YRXhKfTDauu4ajMg1TPgFO5jnlC2HCbmLXMcTG5cbYE=
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+sigs.k8s.io/yaml v1.2.0/go.mod h1:yfXDCHCao9+ENCvLSE62v9VSji2MKu5jeNfTrofGhJc=
--- a/contrib/drivers/sqlite/sqlite.go
+++ b/contrib/drivers/sqlite/sqlite.go
@ -27,8 +27,8 @@ import (
 	"github.com/gogf/gf/v2/text/gstr"
 )

-// DriverSqlite is the driver for sqlite database.
-type DriverSqlite struct {
+// Driver is the driver for sqlite database.
+type Driver struct {
 	*gdb.Core
 }

@ -45,19 +45,19 @@ func init() {

 // New create and returns a driver that implements gdb.Driver, which supports operations for SQLite.
 func New() gdb.Driver {
-	return &DriverSqlite{}
+	return &Driver{}
 }

 // New creates and returns a database object for sqlite.
 // It implements the interface of gdb.Driver for extra database driver installation.
-func (d *DriverSqlite) New(core *gdb.Core, node *gdb.ConfigNode) (gdb.DB, error) {
-	return &DriverSqlite{
+func (d *Driver) New(core *gdb.Core, node *gdb.ConfigNode) (gdb.DB, error) {
+	return &Driver{
 		Core: core,
 	}, nil
 }

 // Open creates and returns a underlying sql.DB object for sqlite.
-func (d *DriverSqlite) Open(config *gdb.ConfigNode) (db *sql.DB, err error) {
+func (d *Driver) Open(config *gdb.ConfigNode) (db *sql.DB, err error) {
 	var (
 		source               string
 		underlyingDriverName = "sqlite3"
@ -83,23 +83,23 @@ func (d *DriverSqlite) Open(config *gdb.ConfigNode) (db *sql.DB, err error) {

 // FilteredLink retrieves and returns filtered `linkInfo` that can be using for
 // logging or tracing purpose.
-func (d *DriverSqlite) FilteredLink() string {
+func (d *Driver) FilteredLink() string {
 	return d.GetConfig().Link
 }

 // GetChars returns the security char for this type of database.
-func (d *DriverSqlite) GetChars() (charLeft string, charRight string) {
+func (d *Driver) GetChars() (charLeft string, charRight string) {
 	return "`", "`"
 }

 // DoFilter deals with the sql string before commits it to underlying sql driver.
-func (d *DriverSqlite) DoFilter(ctx context.Context, link gdb.Link, sql string, args []interface{}) (newSql string, newArgs []interface{}, err error) {
+func (d *Driver) DoFilter(ctx context.Context, link gdb.Link, sql string, args []interface{}) (newSql string, newArgs []interface{}, err error) {
 	return d.Core.DoFilter(ctx, link, sql, args)
 }

 // Tables retrieves and returns the tables of current schema.
 // It's mainly used in cli tool chain for automatically generating the models.
-func (d *DriverSqlite) Tables(ctx context.Context, schema ...string) (tables []string, err error) {
+func (d *Driver) Tables(ctx context.Context, schema ...string) (tables []string, err error) {
 	var result gdb.Result
 	link, err := d.SlaveLink(schema...)
 	if err != nil {
@ -121,7 +121,7 @@ func (d *DriverSqlite) Tables(ctx context.Context, schema ...string) (tables []s
 // TableFields retrieves and returns the fields' information of specified table of current schema.
 //
 // Also see DriverMysql.TableFields.
-func (d *DriverSqlite) TableFields(ctx context.Context, table string, schema ...string) (fields map[string]*gdb.TableField, err error) {
+func (d *Driver) TableFields(ctx context.Context, table string, schema ...string) (fields map[string]*gdb.TableField, err error) {
 	charL, charR := d.GetChars()
 	table = gstr.Trim(table, charL+charR)
 	if gstr.Contains(table, " ") {
@ -163,7 +163,7 @@ func (d *DriverSqlite) TableFields(ctx context.Context, table string, schema ...
 }

 // DoInsert is not supported in sqlite.
-func (d *DriverSqlite) DoInsert(ctx context.Context, link gdb.Link, table string, list gdb.List, option gdb.DoInsertOption) (result sql.Result, err error) {
+func (d *Driver) DoInsert(ctx context.Context, link gdb.Link, table string, list gdb.List, option gdb.DoInsertOption) (result sql.Result, err error) {
 	switch option.InsertOption {
 	case gdb.InsertOptionSave:
 		return nil, gerror.NewCode(gcode.CodeNotSupported, `Save operation is not supported by sqlite driver`)
--- a/contrib/registry/etcd/etcd.go
+++ b/contrib/registry/etcd/etcd.go
@ -0,0 +1,101 @@
+// Copyright GoFrame Author(https://goframe.org). All Rights Reserved.
+//
+// This Source Code Form is subject to the terms of the MIT License.
+// If a copy of the MIT was not distributed with this file,
+// You can obtain one at https://github.com/gogf/gf.
+
+// Package etcd implements service Registry and Discovery using etcd.
+package etcd
+
+import (
+	"time"
+
+	"github.com/gogf/gf/v2/errors/gcode"
+	"github.com/gogf/gf/v2/errors/gerror"
+	"github.com/gogf/gf/v2/frame/g"
+	"github.com/gogf/gf/v2/net/gsvc"
+	"github.com/gogf/gf/v2/os/glog"
+	"github.com/gogf/gf/v2/text/gstr"
+	etcd3 "go.etcd.io/etcd/client/v3"
+)
+
+var (
+	_ gsvc.Registry = &Registry{}
+)
+
+type Registry struct {
+	client       *etcd3.Client
+	kv           etcd3.KV
+	lease        etcd3.Lease
+	keepaliveTTL time.Duration
+	logger       *glog.Logger
+}
+
+type Option struct {
+	Logger       *glog.Logger
+	KeepaliveTTL time.Duration
+}
+
+const (
+	DefaultKeepAliveTTL = 10 * time.Second
+)
+
+func New(address string, option ...Option) *Registry {
+	endpoints := gstr.SplitAndTrim(address, ",")
+	if len(endpoints) == 0 {
+		panic(gerror.NewCodef(gcode.CodeInvalidParameter, `invalid etcd address "%s"`, address))
+	}
+	client, err := etcd3.New(etcd3.Config{
+		Endpoints: endpoints,
+	})
+	if err != nil {
+		panic(gerror.Wrap(err, `create etcd client failed`))
+	}
+	return NewWithClient(client, option...)
+}
+
+func NewWithClient(client *etcd3.Client, option ...Option) *Registry {
+	r := &Registry{
+		client: client,
+		kv:     etcd3.NewKV(client),
+	}
+	if len(option) > 0 {
+		r.logger = option[0].Logger
+		r.keepaliveTTL = option[0].KeepaliveTTL
+	}
+	if r.logger == nil {
+		r.logger = g.Log()
+	}
+	if r.keepaliveTTL == 0 {
+		r.keepaliveTTL = DefaultKeepAliveTTL
+	}
+	return r
+}
+
+// extractResponseToServices extracts etcd watch response context to service list.
+func extractResponseToServices(res *etcd3.GetResponse) ([]*gsvc.Service, error) {
+	if res == nil || res.Kvs == nil {
+		return nil, nil
+	}
+	var (
+		services   []*gsvc.Service
+		serviceKey string
+		serviceMap = make(map[string]*gsvc.Service)
+	)
+	for _, kv := range res.Kvs {
+		service, err := gsvc.NewServiceWithKV(kv.Key, kv.Value)
+		if err != nil {
+			return services, err
+		}
+		if service != nil {
+			serviceKey = service.KeyWithoutEndpoints()
+			if s, ok := serviceMap[serviceKey]; ok {
+				s.Endpoints = append(s.Endpoints, service.Endpoints...)
+			} else {
+				serviceMap[serviceKey] = service
+				services = append(services, service)
+			}
+		}
+	}
+	return services, nil
+}
--- a/contrib/registry/etcd/etcd_discovery.go
+++ b/contrib/registry/etcd/etcd_discovery.go
@ -0,0 +1,48 @@
+// Copyright GoFrame Author(https://goframe.org). All Rights Reserved.
+//
+// This Source Code Form is subject to the terms of the MIT License.
+// If a copy of the MIT was not distributed with this file,
+// You can obtain one at https://github.com/gogf/gf.
+
+package etcd
+
+import (
+	"context"
+
+	"github.com/gogf/gf/v2/net/gsvc"
+	etcd3 "go.etcd.io/etcd/client/v3"
+)
+
+func (r *Registry) Search(ctx context.Context, in gsvc.SearchInput) ([]*gsvc.Service, error) {
+	res, err := r.kv.Get(ctx, in.Key(), etcd3.WithPrefix())
+	if err != nil {
+		return nil, err
+	}
+	services, err := extractResponseToServices(res)
+	if err != nil {
+		return nil, err
+	}
+	// Service filter.
+	filteredServices := make([]*gsvc.Service, 0)
+	for _, v := range services {
+		if in.Deployment != "" && in.Deployment != v.Deployment {
+			continue
+		}
+		if in.Namespace != "" && in.Namespace != v.Namespace {
+			continue
+		}
+		if in.Name != "" && in.Name != v.Name {
+			continue
+		}
+		if in.Version != "" && in.Version != v.Version {
+			continue
+		}
+		service := v
+		filteredServices = append(filteredServices, service)
+	}
+	return filteredServices, nil
+}
+
+func (r *Registry) Watch(ctx context.Context, key string) (gsvc.Watcher, error) {
+	return newWatcher(key, r.client)
+}
--- a/contrib/registry/etcd/etcd_registry.go
+++ b/contrib/registry/etcd/etcd_registry.go
@ -0,0 +1,75 @@
+// Copyright GoFrame Author(https://goframe.org). All Rights Reserved.
+//
+// This Source Code Form is subject to the terms of the MIT License.
+// If a copy of the MIT was not distributed with this file,
+// You can obtain one at https://github.com/gogf/gf.
+
+package etcd
+
+import (
+	"context"
+
+	"github.com/gogf/gf/v2/errors/gerror"
+	"github.com/gogf/gf/v2/net/gsvc"
+	etcd3 "go.etcd.io/etcd/client/v3"
+)
+
+func (r *Registry) Register(ctx context.Context, service *gsvc.Service) error {
+	r.lease = etcd3.NewLease(r.client)
+	grant, err := r.lease.Grant(ctx, int64(r.keepaliveTTL.Seconds()))
+	if err != nil {
+		return gerror.Wrapf(err, `etcd grant failed with keepalive ttl "%s"`, r.keepaliveTTL)
+	}
+	var (
+		key   = service.Key()
+		value = service.Value()
+	)
+	_, err = r.client.Put(ctx, key, value, etcd3.WithLease(grant.ID))
+	if err != nil {
+		return gerror.Wrapf(
+			err,
+			`etcd put failed with key "%s", value "%s", lease "%d"`,
+			key, value, grant.ID,
+		)
+	}
+	r.logger.Infof(
+		ctx,
+		`etcd put success with key "%s", value "%s", lease "%d"`,
+		key, value, grant.ID,
+	)
+	keepAliceCh, err := r.client.KeepAlive(context.Background(), grant.ID)
+	if err != nil {
+		return err
+	}
+	go r.doKeepAlive(grant.ID, keepAliceCh)
+	return nil
+}
+
+func (r *Registry) Deregister(ctx context.Context, service *gsvc.Service) error {
+	_, err := r.client.Delete(ctx, service.Key())
+	if r.lease != nil {
+		_ = r.lease.Close()
+	}
+	return err
+}
+
+// doKeepAlive continuously keeps alive the lease from ETCD.
+func (r *Registry) doKeepAlive(leaseID etcd3.LeaseID, keepAliceCh <-chan *etcd3.LeaseKeepAliveResponse) {
+	var ctx = context.Background()
+	for {
+		select {
+		case <-r.client.Ctx().Done():
+			r.logger.Noticef(ctx, "keepalive done for lease id: %d", leaseID)
+			return
+
+		case res, ok := <-keepAliceCh:
+			if res != nil {
+				//r.logger.Debugf(ctx, `keepalive loop: %v, %s`, ok, res.String())
+			}
+			if !ok {
+				r.logger.Noticef(ctx, `keepalive exit, lease id: %d`, leaseID)
+				return
+			}
+		}
+	}
+}
--- a/contrib/registry/etcd/etcd_watcher.go
+++ b/contrib/registry/etcd/etcd_watcher.go
@ -0,0 +1,64 @@
+// Copyright GoFrame Author(https://goframe.org). All Rights Reserved.
+//
+// This Source Code Form is subject to the terms of the MIT License.
+// If a copy of the MIT was not distributed with this file,
+// You can obtain one at https://github.com/gogf/gf.
+
+package etcd
+
+import (
+	"context"
+
+	"github.com/gogf/gf/v2/net/gsvc"
+	etcd3 "go.etcd.io/etcd/client/v3"
+)
+
+var (
+	_ gsvc.Watcher = &watcher{}
+)
+
+type watcher struct {
+	key       string
+	ctx       context.Context
+	cancel    context.CancelFunc
+	watchChan etcd3.WatchChan
+	watcher   etcd3.Watcher
+	kv        etcd3.KV
+}
+
+func newWatcher(key string, client *etcd3.Client) (*watcher, error) {
+	w := &watcher{
+		key:     key,
+		watcher: etcd3.NewWatcher(client),
+		kv:      etcd3.NewKV(client),
+	}
+	w.ctx, w.cancel = context.WithCancel(context.Background())
+	w.watchChan = w.watcher.Watch(w.ctx, key, etcd3.WithPrefix(), etcd3.WithRev(0))
+	err := w.watcher.RequestProgress(context.Background())
+	if err != nil {
+		return nil, err
+	}
+	return w, nil
+}
+
+func (w *watcher) Proceed() ([]*gsvc.Service, error) {
+	select {
+	case <-w.ctx.Done():
+		return nil, w.ctx.Err()
+	case <-w.watchChan:
+		return w.getServicesByPrefix()
+	}
+}
+
+func (w *watcher) Close() error {
+	w.cancel()
+	return w.watcher.Close()
+}
+
+func (w *watcher) getServicesByPrefix() ([]*gsvc.Service, error) {
+	res, err := w.kv.Get(w.ctx, w.key, etcd3.WithPrefix())
+	if err != nil {
+		return nil, err
+	}
+	return extractResponseToServices(res)
+}
--- a/contrib/registry/etcd/go.mod
+++ b/contrib/registry/etcd/go.mod
@ -0,0 +1,10 @@
+module github.com/gogf/gf/contrib/registry/etcd/v2
+
+go 1.15
+
+require (
+	github.com/gogf/gf/v2 v2.0.0-rc2
+	go.etcd.io/etcd/client/v3 v3.5.1
+)
+
+replace github.com/gogf/gf/v2 => ../../../
--- a/contrib/registry/etcd/go.sum
+++ b/contrib/registry/etcd/go.sum
@ -0,0 +1,346 @@
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--- a/contrib/trace/jaeger/go.mod
+++ b/contrib/trace/jaeger/go.mod
@ -0,0 +1,11 @@
+module github.com/gogf/gf/contrib/trace/jaeger/v2
+
+go 1.15
+
+require (
+	github.com/gogf/gf/v2 v2.0.0-rc2
+	go.opentelemetry.io/otel/exporters/jaeger v1.3.0
+	go.opentelemetry.io/otel/sdk v1.3.0
+)
+
+replace github.com/gogf/gf/v2 => ../../../
--- a/contrib/trace/jaeger/go.sum
+++ b/contrib/trace/jaeger/go.sum
@ -0,0 +1,35 @@
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/go-logr/logr v1.2.0/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
+github.com/go-logr/logr v1.2.1 h1:DX7uPQ4WgAWfoh+NGGlbJQswnYIVvz0SRlLS3rPZQDA=
+github.com/go-logr/logr v1.2.1/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
+github.com/go-logr/stdr v1.2.0 h1:j4LrlVXgrbIWO83mmQUnK0Hi+YnbD+vzrE1z/EphbFE=
+github.com/go-logr/stdr v1.2.0/go.mod h1:YkVgnZu1ZjjL7xTxrfm/LLZBfkhTqSR1ydtm6jTKKwI=
+github.com/google/go-cmp v0.5.6 h1:BKbKCqvP6I+rmFHt06ZmyQtvB8xAkWdhFyr0ZUNZcxQ=
+github.com/google/go-cmp v0.5.6/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/objx v0.1.0 h1:4G4v2dO3VZwixGIRoQ5Lfboy6nUhCyYzaqnIAPPhYs4=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
+github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+go.opentelemetry.io/otel v1.3.0 h1:APxLf0eiBwLl+SOXiJJCVYzA1OOJNyAoV8C5RNRyy7Y=
+go.opentelemetry.io/otel v1.3.0/go.mod h1:PWIKzi6JCp7sM0k9yZ43VX+T345uNbAkDKwHVjb2PTs=
+go.opentelemetry.io/otel/exporters/jaeger v1.3.0 h1:HfydzioALdtcB26H5WHc4K47iTETJCdloL7VN579/L0=
+go.opentelemetry.io/otel/exporters/jaeger v1.3.0/go.mod h1:KoYHi1BtkUPncGSRtCe/eh1ijsnePhSkxwzz07vU0Fc=
+go.opentelemetry.io/otel/sdk v1.3.0 h1:3278edCoH89MEJ0Ky8WQXVmDQv3FX4ZJ3Pp+9fJreAI=
+go.opentelemetry.io/otel/sdk v1.3.0/go.mod h1:rIo4suHNhQwBIPg9axF8V9CA72Wz2mKF1teNrup8yzs=
+go.opentelemetry.io/otel/trace v1.3.0 h1:doy8Hzb1RJ+I3yFhtDmwNc7tIyw1tNMOIsyPzp1NOGY=
+go.opentelemetry.io/otel/trace v1.3.0/go.mod h1:c/VDhno8888bvQYmbYLqe41/Ldmr/KKunbvWM4/fEjk=
+golang.org/x/sys v0.0.0-20210423185535-09eb48e85fd7/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210809222454-d867a43fc93e h1:WUoyKPm6nCo1BnNUvPGnFG3T5DUVem42yDJZZ4CNxMA=
+golang.org/x/sys v0.0.0-20210809222454-d867a43fc93e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
+golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b h1:h8qDotaEPuJATrMmW04NCwg7v22aHH28wwpauUhK9Oo=
+gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
--- a/contrib/trace/jaeger/jaeger.go
+++ b/contrib/trace/jaeger/jaeger.go
@ -0,0 +1,62 @@
+package jaeger
+
+import (
+	"strings"
+
+	"github.com/gogf/gf/v2/errors/gcode"
+	"github.com/gogf/gf/v2/errors/gerror"
+	"github.com/gogf/gf/v2/text/gregex"
+	"go.opentelemetry.io/otel"
+	"go.opentelemetry.io/otel/exporters/jaeger"
+	"go.opentelemetry.io/otel/sdk/resource"
+	"go.opentelemetry.io/otel/sdk/trace"
+	"go.opentelemetry.io/otel/semconv/v1.7.0"
+)
+
+// Init initializes and registers jaeger to global TracerProvider.
+//
+// The output parameter `flush` is used for waiting exported trace spans to be uploaded,
+// which is useful if your program is ending, and you do not want to lose recent spans.
+func Init(serviceName, endpoint string) (*trace.TracerProvider, error) {
+	// Create the Jaeger exporter
+	var endpointOption jaeger.EndpointOption
+	if strings.HasPrefix(endpoint, "http") {
+		// HTTP.
+		endpointOption = jaeger.WithCollectorEndpoint(jaeger.WithEndpoint(endpoint))
+	} else {
+		// UDP.
+		match, err := gregex.MatchString(`(.+):(\d+)`, endpoint)
+		if err != nil {
+			return nil, err
+		}
+		if len(match) < 3 {
+			return nil, gerror.NewCodef(
+				gcode.CodeInvalidParameter, `invalid endpoint "%s"`, endpoint,
+			)
+		}
+		var (
+			host = match[1]
+			port = match[2]
+		)
+		endpointOption = jaeger.WithAgentEndpoint(
+			jaeger.WithAgentHost(host), jaeger.WithAgentPort(port),
+		)
+	}
+	exp, err := jaeger.New(endpointOption)
+	if err != nil {
+		return nil, err
+	}
+	tp := trace.NewTracerProvider(
+		// Always be sure to batch in production.
+		trace.WithBatcher(exp),
+		// Record information about this application in a Resource.
+		trace.WithResource(resource.NewWithAttributes(
+			semconv.SchemaURL,
+			semconv.ServiceNameKey.String(serviceName),
+		)),
+	)
+	// Register our TracerProvider as the global so any imported
+	// instrumentation in the future will default to using it.
+	otel.SetTracerProvider(tp)
+	return tp, nil
+}
--- a/database/gdb/gdb.go
+++ b/database/gdb/gdb.go
@ -48,12 +48,12 @@ type DB interface {
 	// Also see Core.Schema.
 	Schema(schema string) *Schema

-	// With creates and returns an ORM model based on meta data of given object.
+	// With creates and returns an ORM model based on metadata of given object.
 	// Also see Core.With.
 	With(objects ...interface{}) *Model

 	// Open creates a raw connection object for database with given node configuration.
-	// Note that it is not recommended using the this function manually.
+	// Note that it is not recommended using the function manually.
 	// Also see DriverMysql.Open.
 	Open(config *ConfigNode) (*sql.DB, error)

@ -145,7 +145,6 @@ type DB interface {
 	GetCache() *gcache.Cache            // See Core.GetCache.
 	SetDebug(debug bool)                // See Core.SetDebug.
 	GetDebug() bool                     // See Core.GetDebug.
-	SetSchema(schema string)            // See Core.SetSchema.
 	GetSchema() string                  // See Core.GetSchema.
 	GetPrefix() string                  // See Core.GetPrefix.
 	GetGroup() string                   // See Core.GetGroup.
@ -176,10 +175,10 @@ type Core struct {
 	db     DB              // DB interface object.
 	ctx    context.Context // Context for chaining operation only. Do not set a default value in Core initialization.
 	group  string          // Configuration group name.
+	schema string          // Custom schema for this object.
 	debug  *gtype.Bool     // Enable debug mode for the database, which can be changed in runtime.
 	cache  *gcache.Cache   // Cache manager, SQL result cache only.
 	links  *gmap.StrAnyMap // links caches all created links by node.
-	schema *gtype.String   // Custom schema for this object.
 	logger *glog.Logger    // Logger for logging functionality.
 	config *ConfigNode     // Current config node.
 }
@ -399,7 +398,6 @@ func doNewByNode(node ConfigNode, group string) (db DB, err error) {
 		debug:  gtype.NewBool(),
 		cache:  gcache.New(),
 		links:  gmap.NewStrAnyMap(true),
-		schema: gtype.NewString(),
 		logger: glog.New(),
 		config: &node,
 	}
@ -410,11 +408,9 @@ func doNewByNode(node ConfigNode, group string) (db DB, err error) {
 		}
 		return c.db, nil
 	}
-	return nil, gerror.NewCodef(
-		gcode.CodeInvalidConfiguration,
-		`cannot find database driver for specified database type "%s", did you misspell type name "%s" or forget importing the database driver?`,
-		node.Type, node.Type,
-	)
+	errorMsg := `cannot find database driver for specified database type "%s"`
+	errorMsg += `, did you misspell type name "%s" or forget importing the database driver?`
+	return nil, gerror.NewCodef(gcode.CodeInvalidConfiguration, errorMsg, node.Type, node.Type)
 }

 // Instance returns an instance for DB operations.
@ -536,7 +532,7 @@ func (c *Core) getSqlDb(master bool, schema ...string) (sqlDb *sql.DB, err error
 		node.Charset = defaultCharset
 	}
 	// Changes the schema.
-	nodeSchema := c.schema.Val()
+	nodeSchema := c.schema
 	if len(schema) > 0 && schema[0] != "" {
 		nodeSchema = schema[0]
 	}
--- a/database/gdb/gdb_core.go
+++ b/database/gdb/gdb_core.go
@ -125,7 +125,7 @@ func (c *Core) Master(schema ...string) (*sql.DB, error) {
 	if len(schema) > 0 && schema[0] != "" {
 		useSchema = schema[0]
 	} else {
-		useSchema = c.schema.Val()
+		useSchema = c.schema
 	}
 	return c.getSqlDb(true, useSchema)
 }
@ -137,7 +137,7 @@ func (c *Core) Slave(schema ...string) (*sql.DB, error) {
 	if len(schema) > 0 && schema[0] != "" {
 		useSchema = schema[0]
 	} else {
-		useSchema = c.schema.Val()
+		useSchema = c.schema
 	}
 	return c.getSqlDb(false, useSchema)
 }
--- a/database/gdb/gdb_core_config.go
+++ b/database/gdb/gdb_core_config.go
@ -230,14 +230,7 @@ func (c *Core) GetPrefix() string {
 	return c.config.Prefix
 }

-// SetSchema changes the schema for this database connection object.
-// Importantly note that when schema configuration changed for the database,
-// it affects all operations on the database object in the future.
-func (c *Core) SetSchema(schema string) {
-	c.schema.Set(schema)
-}
-
 // GetSchema returns the schema configured.
 func (c *Core) GetSchema() string {
-	return c.schema.Val()
+	return c.schema
 }
--- a/database/gdb/gdb_core_structure.go
+++ b/database/gdb/gdb_core_structure.go
@ -159,6 +159,7 @@ func (c *Core) convertFieldValueToLocalValue(fieldValue interface{}, fieldType s
 		return gconv.Bool(fieldValue)

 	case "date":
+		// Date without time.
 		if t, ok := fieldValue.(time.Time); ok {
 			return gtime.NewFromTime(t).Format("Y-m-d")
 		}
@ -173,7 +174,7 @@ func (c *Core) convertFieldValueToLocalValue(fieldValue interface{}, fieldType s
 			return gtime.NewFromTime(t)
 		}
 		t, _ := gtime.StrToTime(gconv.String(fieldValue))
-		return t.String()
+		return t

 	default:
 		// Auto-detect field type, using key match.
@ -199,7 +200,7 @@ func (c *Core) convertFieldValueToLocalValue(fieldValue interface{}, fieldType s
 			if err != nil {
 				return s
 			}
-			return t.String()
+			return t

 		case strings.Contains(typeName, "date"):
 			s := gconv.String(fieldValue)
@ -207,7 +208,7 @@ func (c *Core) convertFieldValueToLocalValue(fieldValue interface{}, fieldType s
 			if err != nil {
 				return s
 			}
-			return t.Format("Y-m-d")
+			return t

 		default:
 			return gconv.String(fieldValue)
@ -218,7 +219,7 @@ func (c *Core) convertFieldValueToLocalValue(fieldValue interface{}, fieldType s
 // mappingAndFilterData automatically mappings the map key to table field and removes
 // all key-value pairs that are not the field of given table.
 func (c *Core) mappingAndFilterData(schema, table string, data map[string]interface{}, filter bool) (map[string]interface{}, error) {
-	fieldsMap, err := c.db.TableFields(c.GetCtx(), c.guessPrimaryTableName(table), schema)
+	fieldsMap, err := c.TableFields(c.guessPrimaryTableName(table), schema)
 	if err != nil {
 		return nil, err
 	}
--- a/database/gdb/gdb_core_trace.go
+++ b/database/gdb/gdb_core_trace.go
@ -0,0 +1,86 @@
+// Copyright GoFrame Author(https://goframe.org). All Rights Reserved.
+//
+// This Source Code Form is subject to the terms of the MIT License.
+// If a copy of the MIT was not distributed with this file,
+// You can obtain one at https://github.com/gogf/gf.
+//
+
+package gdb
+
+import (
+	"context"
+	"fmt"
+
+	"go.opentelemetry.io/otel/attribute"
+	"go.opentelemetry.io/otel/codes"
+	"go.opentelemetry.io/otel/semconv/v1.4.0"
+	"go.opentelemetry.io/otel/trace"
+
+	"github.com/gogf/gf/v2/net/gtrace"
+)
+
+const (
+	traceInstrumentName       = "github.com/gogf/gf/v2/database/gdb"
+	traceAttrDbType           = "db.type"
+	traceAttrDbHost           = "db.host"
+	traceAttrDbPort           = "db.port"
+	traceAttrDbName           = "db.name"
+	traceAttrDbUser           = "db.user"
+	traceAttrDbLink           = "db.link"
+	traceAttrDbGroup          = "db.group"
+	traceEventDbExecution     = "db.execution"
+	traceEventDbExecutionSql  = "db.execution.sql"
+	traceEventDbExecutionCost = "db.execution.cost"
+	traceEventDbExecutionRows = "db.execution.rows"
+	traceEventDbExecutionTxID = "db.execution.txid"
+	traceEventDbExecutionType = "db.execution.type"
+)
+
+// addSqlToTracing adds sql information to tracer if it's enabled.
+func (c *Core) traceSpanEnd(ctx context.Context, span trace.Span, sql *Sql) {
+	if gtrace.IsUsingDefaultProvider() || !gtrace.IsTracingInternal() {
+		return
+	}
+	if sql.Error != nil {
+		span.SetStatus(codes.Error, fmt.Sprintf(`%+v`, sql.Error))
+	}
+	labels := make([]attribute.KeyValue, 0)
+	labels = append(labels, gtrace.CommonLabels()...)
+	labels = append(labels,
+		attribute.String(traceAttrDbType, c.db.GetConfig().Type),
+		semconv.DBStatementKey.String(sql.Format),
+	)
+	if c.db.GetConfig().Host != "" {
+		labels = append(labels, attribute.String(traceAttrDbHost, c.db.GetConfig().Host))
+	}
+	if c.db.GetConfig().Port != "" {
+		labels = append(labels, attribute.String(traceAttrDbPort, c.db.GetConfig().Port))
+	}
+	if c.db.GetConfig().Name != "" {
+		labels = append(labels, attribute.String(traceAttrDbName, c.db.GetConfig().Name))
+	}
+	if c.db.GetConfig().User != "" {
+		labels = append(labels, attribute.String(traceAttrDbUser, c.db.GetConfig().User))
+	}
+	if filteredLink := c.db.FilteredLink(); filteredLink != "" {
+		labels = append(labels, attribute.String(traceAttrDbLink, c.db.FilteredLink()))
+	}
+	if group := c.db.GetGroup(); group != "" {
+		labels = append(labels, attribute.String(traceAttrDbGroup, group))
+	}
+	span.SetAttributes(labels...)
+	events := []attribute.KeyValue{
+		attribute.String(traceEventDbExecutionSql, sql.Format),
+		attribute.String(traceEventDbExecutionCost, fmt.Sprintf(`%d ms`, sql.End-sql.Start)),
+		attribute.String(traceEventDbExecutionRows, fmt.Sprintf(`%d`, sql.RowsAffected)),
+	}
+	if sql.IsTransaction {
+		if v := ctx.Value(transactionIdForLoggerCtx); v != nil {
+			events = append(events, attribute.String(
+				traceEventDbExecutionTxID, fmt.Sprintf(`%d`, v.(uint64)),
+			))
+		}
+	}
+	events = append(events, attribute.String(traceEventDbExecutionType, sql.Type))
+	span.AddEvent(traceEventDbExecution, trace.WithAttributes(events...))
+}
--- a/database/gdb/gdb_core_tracing.go
+++ b/database/gdb/gdb_core_tracing.go
@ -1,95 +0,0 @@
-// Copyright GoFrame Author(https://goframe.org). All Rights Reserved.
-//
-// This Source Code Form is subject to the terms of the MIT License.
-// If a copy of the MIT was not distributed with this file,
-// You can obtain one at https://github.com/gogf/gf.
-//
-
-package gdb
-
-import (
-	"context"
-	"fmt"
-
-	"go.opentelemetry.io/otel"
-	"go.opentelemetry.io/otel/attribute"
-	"go.opentelemetry.io/otel/codes"
-	semconv "go.opentelemetry.io/otel/semconv/v1.4.0"
-	"go.opentelemetry.io/otel/trace"
-
-	"github.com/gogf/gf/v2"
-	"github.com/gogf/gf/v2/net/gtrace"
-)
-
-const (
-	tracingInstrumentName       = "github.com/gogf/gf/v2/database/gdb"
-	tracingAttrDbType           = "db.type"
-	tracingAttrDbHost           = "db.host"
-	tracingAttrDbPort           = "db.port"
-	tracingAttrDbName           = "db.name"
-	tracingAttrDbUser           = "db.user"
-	tracingAttrDbLink           = "db.link"
-	tracingAttrDbGroup          = "db.group"
-	tracingEventDbExecution     = "db.execution"
-	tracingEventDbExecutionSql  = "db.execution.sql"
-	tracingEventDbExecutionCost = "db.execution.cost"
-	tracingEventDbExecutionRows = "db.execution.rows"
-	tracingEventDbExecutionTxID = "db.execution.txid"
-	tracingEventDbExecutionType = "db.execution.type"
-)
-
-// addSqlToTracing adds sql information to tracer if it's enabled.
-func (c *Core) addSqlToTracing(ctx context.Context, sql *Sql) {
-	if gtrace.IsUsingDefaultProvider() || !gtrace.IsTracingInternal() {
-		return
-	}
-	tr := otel.GetTracerProvider().Tracer(
-		tracingInstrumentName,
-		trace.WithInstrumentationVersion(gf.VERSION),
-	)
-	ctx, span := tr.Start(ctx, sql.Type, trace.WithSpanKind(trace.SpanKindInternal))
-	defer span.End()
-
-	if sql.Error != nil {
-		span.SetStatus(codes.Error, fmt.Sprintf(`%+v`, sql.Error))
-	}
-	labels := make([]attribute.KeyValue, 0)
-	labels = append(labels, gtrace.CommonLabels()...)
-	labels = append(labels,
-		attribute.String(tracingAttrDbType, c.db.GetConfig().Type),
-		semconv.DBStatementKey.String(sql.Format),
-	)
-	if c.db.GetConfig().Host != "" {
-		labels = append(labels, attribute.String(tracingAttrDbHost, c.db.GetConfig().Host))
-	}
-	if c.db.GetConfig().Port != "" {
-		labels = append(labels, attribute.String(tracingAttrDbPort, c.db.GetConfig().Port))
-	}
-	if c.db.GetConfig().Name != "" {
-		labels = append(labels, attribute.String(tracingAttrDbName, c.db.GetConfig().Name))
-	}
-	if c.db.GetConfig().User != "" {
-		labels = append(labels, attribute.String(tracingAttrDbUser, c.db.GetConfig().User))
-	}
-	if filteredLink := c.db.FilteredLink(); filteredLink != "" {
-		labels = append(labels, attribute.String(tracingAttrDbLink, c.db.FilteredLink()))
-	}
-	if group := c.db.GetGroup(); group != "" {
-		labels = append(labels, attribute.String(tracingAttrDbGroup, group))
-	}
-	span.SetAttributes(labels...)
-	events := []attribute.KeyValue{
-		attribute.String(tracingEventDbExecutionSql, sql.Format),
-		attribute.String(tracingEventDbExecutionCost, fmt.Sprintf(`%d ms`, sql.End-sql.Start)),
-		attribute.String(tracingEventDbExecutionRows, fmt.Sprintf(`%d`, sql.RowsAffected)),
-	}
-	if sql.IsTransaction {
-		if v := ctx.Value(transactionIdForLoggerCtx); v != nil {
-			events = append(events, attribute.String(
-				tracingEventDbExecutionTxID, fmt.Sprintf(`%d`, v.(uint64)),
-			))
-		}
-	}
-	events = append(events, attribute.String(tracingEventDbExecutionType, sql.Type))
-	span.AddEvent(tracingEventDbExecution, trace.WithAttributes(events...))
-}
--- a/database/gdb/gdb_core_underlying.go
+++ b/database/gdb/gdb_core_underlying.go
@ -11,12 +11,15 @@ import (
 	"context"
 	"database/sql"

+	"github.com/gogf/gf/v2"
 	"github.com/gogf/gf/v2/container/gvar"
 	"github.com/gogf/gf/v2/errors/gcode"
 	"github.com/gogf/gf/v2/errors/gerror"
 	"github.com/gogf/gf/v2/internal/intlog"
 	"github.com/gogf/gf/v2/os/gtime"
 	"github.com/gogf/gf/v2/util/guid"
+	"go.opentelemetry.io/otel"
+	"go.opentelemetry.io/otel/trace"
 )

 // Query commits one query SQL to underlying driver and returns the execution result.
@ -137,6 +140,12 @@ func (c *Core) DoCommit(ctx context.Context, in DoCommitInput) (out DoCommitOutp
 		cancelFuncForTimeout context.CancelFunc
 		timestampMilli1      = gtime.TimestampMilli()
 	)
+
+	// Trace span start.
+	tr := otel.GetTracerProvider().Tracer(traceInstrumentName, trace.WithInstrumentationVersion(gf.VERSION))
+	ctx, span := tr.Start(ctx, in.Type, trace.WithSpanKind(trace.SpanKindInternal))
+	defer span.End()
+
 	// Execution cased by type.
 	switch in.Type {
 	case SqlTypeBegin:
@ -232,8 +241,11 @@ func (c *Core) DoCommit(ctx context.Context, in DoCommitInput) (out DoCommitOutp
 			IsTransaction: in.IsTransaction,
 		}
 	)
-	// Tracing and logging.
-	c.addSqlToTracing(ctx, sqlObj)
+
+	// Tracing.
+	c.traceSpanEnd(ctx, span, sqlObj)
+
+	// Logging.
 	if c.db.GetDebug() {
 		c.writeSqlToLogger(ctx, sqlObj)
 	}
@ -317,7 +329,7 @@ func (c *Core) RowsToResult(ctx context.Context, rows *sql.Rows) (Result, error)
 	}
 	defer func() {
 		if err := rows.Close(); err != nil {
-			intlog.Error(ctx, err)
+			intlog.Errorf(ctx, `%+v`, err)
 		}
 	}()
 	if !rows.Next() {
--- a/database/gdb/gdb_core_utility.go
+++ b/database/gdb/gdb_core_utility.go
@ -90,19 +90,23 @@ func (c *Core) Tables(schema ...string) (tables []string, err error) {
 // TableFields retrieves and returns the fields' information of specified table of current schema.
 //
 // Note that it returns a map containing the field name and its corresponding fields.
-// As a map is unsorted, the TableField struct has a "Index" field marks its sequence in the fields.
+// As a map is unsorted, the TableField struct has an "Index" field marks its sequence in the fields.
 //
 // It's using cache feature to enhance the performance, which is never expired util the process restarts.
 //
 // It does nothing in default.
 func (c *Core) TableFields(table string, schema ...string) (fields map[string]*TableField, err error) {
-	return
+	// It does nothing if given table is empty, especially in sub-query.
+	if table == "" {
+		return map[string]*TableField{}, nil
+	}
+	return c.db.TableFields(c.GetCtx(), table, schema...)
 }

 // HasField determine whether the field exists in the table.
 func (c *Core) HasField(table, field string, schema ...string) (bool, error) {
 	table = c.guessPrimaryTableName(table)
-	tableFields, err := c.db.TableFields(c.GetCtx(), table, schema...)
+	tableFields, err := c.TableFields(table, schema...)
 	if err != nil {
 		return false, err
 	}
--- a/database/gdb/gdb_driver_mysql.go
+++ b/database/gdb/gdb_driver_mysql.go
@ -128,9 +128,12 @@ func (d *DriverMysql) TableFields(ctx context.Context, table string, schema ...s
 	charL, charR := d.GetChars()
 	table = gstr.Trim(table, charL+charR)
 	if gstr.Contains(table, " ") {
-		return nil, gerror.NewCode(gcode.CodeInvalidParameter, "function TableFields supports only single table operations")
+		return nil, gerror.NewCode(
+			gcode.CodeInvalidParameter,
+			"function TableFields supports only single table operations",
+		)
 	}
-	useSchema := d.schema.Val()
+	useSchema := d.schema
 	if len(schema) > 0 && schema[0] != "" {
 		useSchema = schema[0]
 	}
@ -144,7 +147,10 @@ func (d *DriverMysql) TableFields(ctx context.Context, table string, schema ...s
 			if link, err = d.SlaveLink(useSchema); err != nil {
 				return nil
 			}
-			result, err = d.DoGetAll(ctx, link, fmt.Sprintf(`SHOW FULL COLUMNS FROM %s`, d.QuoteWord(table)))
+			result, err = d.DoGetAll(
+				ctx, link,
+				fmt.Sprintf(`SHOW FULL COLUMNS FROM %s`, d.QuoteWord(table)),
+			)
 			if err != nil {
 				return nil
 			}
--- a/database/gdb/gdb_func.go
+++ b/database/gdb/gdb_func.go
@ -374,13 +374,11 @@ func formatWhereHolder(db DB, in formatWhereHolderInput) (newWhere string, newAr

 	case reflect.Map:
 		for key, value := range DataToMapDeep(in.Where) {
-			if gregex.IsMatchString(regularFieldNameRegPattern, key) {
-				if in.OmitNil && empty.IsNil(value) {
-					continue
-				}
-				if in.OmitEmpty && empty.IsEmpty(value) {
-					continue
-				}
+			if in.OmitNil && empty.IsNil(value) {
+				continue
+			}
+			if in.OmitEmpty && empty.IsEmpty(value) {
+				continue
 			}
 			newArgs = formatWhereKeyValue(formatWhereKeyValueInput{
 				Db:     db,
@ -406,13 +404,11 @@ func formatWhereHolder(db DB, in formatWhereHolderInput) (newWhere string, newAr
 		if iterator, ok := in.Where.(iIterator); ok {
 			iterator.Iterator(func(key, value interface{}) bool {
 				ketStr := gconv.String(key)
-				if gregex.IsMatchString(regularFieldNameRegPattern, ketStr) {
-					if in.OmitNil && empty.IsNil(value) {
-						return true
-					}
-					if in.OmitEmpty && empty.IsEmpty(value) {
-						return true
-					}
+				if in.OmitNil && empty.IsNil(value) {
+					return true
+				}
+				if in.OmitEmpty && empty.IsEmpty(value) {
+					return true
 				}
 				newArgs = formatWhereKeyValue(formatWhereKeyValueInput{
 					Db:        db,
--- a/database/gdb/gdb_model.go
+++ b/database/gdb/gdb_model.go
@ -42,7 +42,7 @@ type Model struct {
 	filter        bool               // Filter data and where key-value pairs according to the fields of the table.
 	distinct      string             // Force the query to only return distinct results.
 	lockInfo      string             // Lock for update or in shared lock.
-	cacheEnabled  bool               // Enable sql result cache feature.
+	cacheEnabled  bool               // Enable sql result cache feature, which is mainly for indicating cache duration(especially 0) usage.
 	cacheOption   CacheOption        // Cache option for query statement.
 	unscoped      bool               // Disables soft deleting features when select/delete operations.
 	safe          bool               // If true, it clones and returns a new model object whenever operation done; or else it changes the attribute of current model.
@ -132,6 +132,7 @@ func (c *Core) Model(tableNameQueryOrStruct ...interface{}) *Model {
 	}
 	m := &Model{
 		db:         c.db,
+		schema:     c.schema,
 		tablesInit: tableStr,
 		tables:     tableStr,
 		fields:     defaultFields,
--- a/database/gdb/gdb_model_cache.go
+++ b/database/gdb/gdb_model_cache.go
@ -49,7 +49,7 @@ func (m *Model) checkAndRemoveCache() {
 		ctx := m.GetCtx()
 		_, err := m.db.GetCache().Remove(ctx, m.cacheOption.Name)
 		if err != nil {
-			intlog.Error(ctx, err)
+			intlog.Errorf(ctx, `%+v`, err)
 		}
 	}
 }
--- a/database/gdb/gdb_model_select.go
+++ b/database/gdb/gdb_model_select.go
@ -504,6 +504,7 @@ func (m *Model) Having(having interface{}, args ...interface{}) *Model {
 // doGetAllBySql does the select statement on the database.
 func (m *Model) doGetAllBySql(sql string, args ...interface{}) (result Result, err error) {
 	var (
+		ok       bool
 		ctx      = m.GetCtx()
 		cacheKey = ""
 		cacheObj = m.db.GetCache()
@ -512,20 +513,22 @@ func (m *Model) doGetAllBySql(sql string, args ...interface{}) (result Result, e
 	if m.cacheEnabled && m.tx == nil {
 		cacheKey = m.cacheOption.Name
 		if len(cacheKey) == 0 {
-			cacheKey = "gcache:" + gmd5.MustEncryptString(sql+", @PARAMS:"+gconv.String(args))
+			cacheKey = fmt.Sprintf(
+				`GCache@Schema(%s):%s`,
+				m.db.GetSchema(),
+				gmd5.MustEncryptString(sql+", @PARAMS:"+gconv.String(args)),
+			)
 		}
 		if v, _ := cacheObj.Get(ctx, cacheKey); !v.IsNil() {
-			if result, ok := v.Val().(Result); ok {
+			if result, ok = v.Val().(Result); ok {
 				// In-memory cache.
 				return result, nil
+			}
+			// Other cache, it needs conversion.
+			if err = json.UnmarshalUseNumber(v.Bytes(), &result); err != nil {
+				return nil, err
 			} else {
-				// Other cache, it needs conversion.
-				var result Result
-				if err = json.UnmarshalUseNumber(v.Bytes(), &result); err != nil {
-					return nil, err
-				} else {
-					return result, nil
-				}
+				return result, nil
 			}
 		}
 	}
@ -535,16 +538,16 @@ func (m *Model) doGetAllBySql(sql string, args ...interface{}) (result Result, e
 	// Cache the result.
 	if cacheKey != "" && err == nil {
 		if m.cacheOption.Duration < 0 {
-			if _, err := cacheObj.Remove(ctx, cacheKey); err != nil {
-				intlog.Error(m.GetCtx(), err)
+			if _, err = cacheObj.Remove(ctx, cacheKey); err != nil {
+				intlog.Errorf(m.GetCtx(), `%+v`, err)
 			}
 		} else {
 			// In case of Cache Penetration.
 			if result.IsEmpty() && m.cacheOption.Force {
 				result = Result{}
 			}
-			if err := cacheObj.Set(ctx, cacheKey, result, m.cacheOption.Duration); err != nil {
-				intlog.Error(m.GetCtx(), err)
+			if err = cacheObj.Set(ctx, cacheKey, result, m.cacheOption.Duration); err != nil {
+				intlog.Errorf(m.GetCtx(), `%+v`, err)
 			}
 		}
 	}
--- a/database/gdb/gdb_model_utility.go
+++ b/database/gdb/gdb_model_utility.go
@ -31,15 +31,14 @@ func (m *Model) QuoteWord(s string) string {
 //
 // Also see DriverMysql.TableFields.
 func (m *Model) TableFields(tableStr string, schema ...string) (fields map[string]*TableField, err error) {
-	useSchema := m.schema
+	var (
+		table     = m.db.GetCore().guessPrimaryTableName(tableStr)
+		useSchema = m.schema
+	)
 	if len(schema) > 0 && schema[0] != "" {
 		useSchema = schema[0]
 	}
-	return m.db.TableFields(
-		m.GetCtx(),
-		m.db.GetCore().guessPrimaryTableName(tableStr),
-		useSchema,
-	)
+	return m.db.GetCore().TableFields(table, useSchema)
 }

 // getModel creates and returns a cloned model of current model if `safe` is true, or else it returns
--- a/database/gdb/gdb_model_with.go
+++ b/database/gdb/gdb_model_with.go
@ -8,15 +8,14 @@ package gdb

 import (
 	"database/sql"
-	"fmt"
 	"reflect"

 	"github.com/gogf/gf/v2/errors/gcode"
 	"github.com/gogf/gf/v2/errors/gerror"
 	"github.com/gogf/gf/v2/internal/utils"
 	"github.com/gogf/gf/v2/os/gstructs"
-	"github.com/gogf/gf/v2/text/gregex"
 	"github.com/gogf/gf/v2/text/gstr"
+	"github.com/gogf/gf/v2/util/gutil"
 )

 // With creates and returns an ORM model based on metadata of given object.
@ -156,7 +155,13 @@ func (m *Model) doWithScanStruct(pointer interface{}) error {
 		if parsedTagOutput.Order != "" {
 			model = model.Order(parsedTagOutput.Order)
 		}
-		err = model.Fields(fieldKeys).Where(relatedSourceName, relatedTargetValue).Scan(bindToReflectValue)
+		// With cache feature.
+		if m.cacheEnabled && m.cacheOption.Name == "" {
+			model = model.Cache(m.cacheOption)
+		}
+		err = model.Fields(fieldKeys).
+			Where(relatedSourceName, relatedTargetValue).
+			Scan(bindToReflectValue)
 		// It ignores sql.ErrNoRows in with feature.
 		if err != nil && err != sql.ErrNoRows {
 			return err
@ -242,14 +247,16 @@ func (m *Model) doWithScanStructs(pointer interface{}) error {
 				relatedTargetName, parsedTagOutput.With,
 			)
 		}
-
+		// If related value is empty, it does nothing but just returns.
+		if gutil.IsEmpty(relatedTargetValue) {
+			return nil
+		}
 		// It automatically retrieves struct field names from current attribute struct/slice.
 		if structType, err := gstructs.StructType(field.Value); err != nil {
 			return err
 		} else {
 			fieldKeys = structType.FieldKeys()
 		}
-
 		// Recursively with feature checks.
 		model = m.db.With(field.Value)
 		if m.withAll {
@ -263,7 +270,10 @@ func (m *Model) doWithScanStructs(pointer interface{}) error {
 		if parsedTagOutput.Order != "" {
 			model = model.Order(parsedTagOutput.Order)
 		}
-
+		// With cache feature.
+		if m.cacheEnabled && m.cacheOption.Name == "" {
+			model = model.Cache(m.cacheOption)
+		}
 		err = model.Fields(fieldKeys).
 			Where(relatedSourceName, relatedTargetValue).
 			ScanList(pointer, fieldName, parsedTagOutput.With)
@ -283,35 +293,25 @@ type parseWithTagInFieldStructOutput struct {

 func (m *Model) parseWithTagInFieldStruct(field gstructs.Field) (output parseWithTagInFieldStructOutput) {
 	var (
-		match  []string
 		ormTag = field.Tag(OrmTagForStruct)
+		data   = make(map[string]string)
+		array  []string
+		key    string
 	)
-	// with tag.
-	match, _ = gregex.MatchString(
-		fmt.Sprintf(`%s\s*:\s*([^,]+),{0,1}`, OrmTagForWith),
-		ormTag,
-	)
-	if len(match) > 1 {
-		output.With = match[1]
+	for _, v := range gstr.SplitAndTrim(ormTag, " ") {
+		array = gstr.Split(v, ":")
+		if len(array) == 2 {
+			key = array[0]
+			data[key] = gstr.Trim(array[1])
+		} else {
+			data[key] += " " + gstr.Trim(v)
+		}
 	}
-	if len(match) > 2 {
-		output.Where = gstr.Trim(match[2])
-	}
-	// where string.
-	match, _ = gregex.MatchString(
-		fmt.Sprintf(`%s\s*:.+,\s*%s:\s*([^,]+),{0,1}`, OrmTagForWith, OrmTagForWithWhere),
-		ormTag,
-	)
-	if len(match) > 1 {
-		output.Where = gstr.Trim(match[1])
-	}
-	// order string.
-	match, _ = gregex.MatchString(
-		fmt.Sprintf(`%s\s*:.+,\s*%s:\s*([^,]+),{0,1}`, OrmTagForWith, OrmTagForWithOrder),
-		ormTag,
-	)
-	if len(match) > 1 {
-		output.Order = gstr.Trim(match[1])
+	for k, v := range data {
+		data[k] = gstr.TrimRight(v, ",")
 	}
+	output.With = data[OrmTagForWith]
+	output.Where = data[OrmTagForWithWhere]
+	output.Order = data[OrmTagForWithOrder]
 	return
 }
--- a/database/gdb/gdb_schema.go
+++ b/database/gdb/gdb_schema.go
@ -8,46 +8,23 @@ package gdb

 // Schema is a schema object from which it can then create a Model.
 type Schema struct {
-	db     DB
-	tx     *TX
-	schema string
+	DB
 }

 // Schema creates and returns a schema.
 func (c *Core) Schema(schema string) *Schema {
-	return &Schema{
-		db:     c.db,
-		schema: schema,
-	}
-}
-
-// Schema creates and returns a initialization model from schema,
-// from which it can then create a Model.
-func (tx *TX) Schema(schema string) *Schema {
-	return &Schema{
-		tx:     tx,
-		schema: schema,
-	}
-}
-
-// Model creates and returns a new ORM model.
-// The parameter `tables` can be more than one table names, like :
-// "user", "user u", "user, user_detail", "user u, user_detail ud".
-func (s *Schema) Model(table string) *Model {
-	var m *Model
-	if s.tx != nil {
-		m = s.tx.Model(table)
-	} else {
-		m = s.db.Model(table)
-	}
 	// Do not change the schema of the original db,
 	// it here creates a new db and changes its schema.
-	db, err := NewByGroup(m.db.GetGroup())
+	db, err := NewByGroup(c.GetGroup())
 	if err != nil {
 		panic(err)
 	}
-	db.SetSchema(s.schema)
-	m.db = db
-	m.schema = s.schema
-	return m
+	core := db.GetCore()
+	// Different schema share some same objects.
+	core.logger = c.logger
+	core.cache = c.cache
+	core.schema = schema
+	return &Schema{
+		DB: db,
+	}
 }
--- a/database/gdb/gdb_z_init_test.go
+++ b/database/gdb/gdb_z_init_test.go
@ -81,7 +81,7 @@ func init() {
 	if _, err := db.Exec(ctx, fmt.Sprintf(schemaTemplate, TestSchema2)); err != nil {
 		gtest.Error(err)
 	}
-	db.SetSchema(TestSchema1)
+	db = db.Schema(TestSchema1)

 	// Prefix db.
 	if r, err := gdb.NewByGroup("prefix"); err != nil {
@ -95,7 +95,7 @@ func init() {
 	if _, err := dbPrefix.Exec(ctx, fmt.Sprintf(schemaTemplate, TestSchema2)); err != nil {
 		gtest.Error(err)
 	}
-	dbPrefix.SetSchema(TestSchema1)
+	dbPrefix = dbPrefix.Schema(TestSchema1)

 	// Invalid db.
 	if r, err := gdb.NewByGroup("nodeinvalid"); err != nil {
@ -103,7 +103,7 @@ func init() {
 	} else {
 		dbInvalid = r
 	}
-	dbInvalid.SetSchema(TestSchema1)
+	dbInvalid = dbInvalid.Schema(TestSchema1)
 }

 func createTable(table ...string) string {
--- a/database/gdb/gdb_z_mysql_core_test.go
+++ b/database/gdb/gdb_z_mysql_core_test.go
@ -1520,6 +1520,7 @@ func Test_Types(t *testing.T) {
        %s binary(8) NOT NULL,
        %s date NOT NULL,
        %s time NOT NULL,
+        %s timestamp(6) NOT NULL,
        %s decimal(5,2) NOT NULL,
        %s double NOT NULL,
        %s bit(2) NOT NULL,
@ -1532,6 +1533,7 @@ func Test_Types(t *testing.T) {
 			"`binary`",
 			"`date`",
 			"`time`",
+			"`timestamp`",
 			"`decimal`",
 			"`double`",
 			"`bit`",
@ -1541,16 +1543,17 @@ func Test_Types(t *testing.T) {
 		}
 		defer dropTable("types")
 		data := g.Map{
-			"id":      1,
-			"blob":    "i love gf",
-			"binary":  []byte("abcdefgh"),
-			"date":    "1880-10-24",
-			"time":    "10:00:01",
-			"decimal": -123.456,
-			"double":  -123.456,
-			"bit":     2,
-			"tinyint": true,
-			"bool":    false,
+			"id":        1,
+			"blob":      "i love gf",
+			"binary":    []byte("abcdefgh"),
+			"date":      "1880-10-24",
+			"time":      "10:00:01",
+			"timestamp": "2022-02-14 12:00:01.123456",
+			"decimal":   -123.456,
+			"double":    -123.456,
+			"bit":       2,
+			"tinyint":   true,
+			"bool":      false,
 		}
 		r, err := db.Model("types").Data(data).Insert()
 		t.AssertNil(err)
@ -1563,22 +1566,24 @@ func Test_Types(t *testing.T) {
 		t.Assert(one["blob"].String(), data["blob"])
 		t.Assert(one["binary"].String(), data["binary"])
 		t.Assert(one["date"].String(), data["date"])
-		t.Assert(one["time"].String(), `0000-01-01 10:00:01`)
+		t.Assert(one["time"].String(), `10:00:01`)
+		t.Assert(one["timestamp"].GTime().Format(`Y-m-d H:i:s.u`), `2022-02-14 12:00:01.123`)
 		t.Assert(one["decimal"].String(), -123.46)
 		t.Assert(one["double"].String(), data["double"])
 		t.Assert(one["bit"].Int(), data["bit"])
 		t.Assert(one["tinyint"].Bool(), data["tinyint"])

 		type T struct {
-			Id      int
-			Blob    []byte
-			Binary  []byte
-			Date    *gtime.Time
-			Time    *gtime.Time
-			Decimal float64
-			Double  float64
-			Bit     int8
-			TinyInt bool
+			Id        int
+			Blob      []byte
+			Binary    []byte
+			Date      *gtime.Time
+			Time      *gtime.Time
+			Timestamp *gtime.Time
+			Decimal   float64
+			Double    float64
+			Bit       int8
+			TinyInt   bool
 		}
 		var obj *T
 		err = db.Model("types").Scan(&obj)
@ -1587,7 +1592,8 @@ func Test_Types(t *testing.T) {
 		t.Assert(obj.Blob, data["blob"])
 		t.Assert(obj.Binary, data["binary"])
 		t.Assert(obj.Date.Format("Y-m-d"), data["date"])
-		t.Assert(obj.Time.String(), `0000-01-01 10:00:01`)
+		t.Assert(obj.Time.String(), `10:00:01`)
+		t.Assert(obj.Timestamp.Format(`Y-m-d H:i:s.u`), `2022-02-14 12:00:01.123`)
 		t.Assert(obj.Decimal, -123.46)
 		t.Assert(obj.Double, data["double"])
 		t.Assert(obj.Bit, data["bit"])
--- a/database/gdb/gdb_z_mysql_internal_test.go
+++ b/database/gdb/gdb_z_mysql_internal_test.go
@ -57,10 +57,10 @@ func init() {
 		db = r
 	}
 	schemaTemplate := "CREATE DATABASE IF NOT EXISTS `%s` CHARACTER SET UTF8"
-	if _, err := db.Exec(ctx, fmt.Sprintf(schemaTemplate, SCHEMA)); err != nil {
+	if _, err = db.Exec(ctx, fmt.Sprintf(schemaTemplate, SCHEMA)); err != nil {
 		gtest.Error(err)
 	}
-	db.SetSchema(SCHEMA)
+	db = db.Schema(SCHEMA)
 }

 func dropTable(table string) {
--- a/database/gdb/gdb_z_mysql_model_test.go
+++ b/database/gdb/gdb_z_mysql_model_test.go
@ -1075,6 +1075,28 @@ func Test_Model_Scan(t *testing.T) {
 	})
 }

+func Test_Model_Scan_NilSliceAttrWhenNoRecordsFound(t *testing.T) {
+	table := createTable()
+	defer dropTable(table)
+
+	gtest.C(t, func(t *gtest.T) {
+		type User struct {
+			Id         int
+			Passport   string
+			Password   string
+			NickName   string
+			CreateTime gtime.Time
+		}
+		type Response struct {
+			Users []User `json:"users"`
+		}
+		var res Response
+		err := db.Model(table).Scan(&res.Users)
+		t.AssertNil(err)
+		t.Assert(res.Users, nil)
+	})
+}
+
 func Test_Model_OrderBy(t *testing.T) {
 	table := createInitTable()
 	defer dropTable(table)
@ -1432,7 +1454,7 @@ func Test_Model_Where_ISNULL_2(t *testing.T) {
 			"create_time > 0":    nil,
 			"id":                 g.Slice{1, 2, 3},
 		}
-		result, err := db.Model(table).WherePri(conditions).Order("id asc").All()
+		result, err := db.Model(table).Where(conditions).Order("id asc").All()
 		t.AssertNil(err)
 		t.Assert(len(result), 3)
 		t.Assert(result[0]["id"].Int(), 1)
@ -1446,19 +1468,19 @@ func Test_Model_Where_OmitEmpty(t *testing.T) {
 		conditions := g.Map{
 			"id < 4": "",
 		}
-		result, err := db.Model(table).WherePri(conditions).Order("id asc").All()
+		result, err := db.Model(table).Where(conditions).Order("id desc").All()
 		t.AssertNil(err)
 		t.Assert(len(result), 3)
-		t.Assert(result[0]["id"].Int(), 1)
+		t.Assert(result[0]["id"].Int(), 3)
 	})
 	gtest.C(t, func(t *gtest.T) {
 		conditions := g.Map{
 			"id < 4": "",
 		}
-		result, err := db.Model(table).WherePri(conditions).OmitEmpty().Order("id asc").All()
+		result, err := db.Model(table).Where(conditions).OmitEmpty().Order("id desc").All()
 		t.AssertNil(err)
-		t.Assert(len(result), 3)
-		t.Assert(result[0]["id"].Int(), 1)
+		t.Assert(len(result), 10)
+		t.Assert(result[0]["id"].Int(), 10)
 	})
 }

@ -2233,22 +2255,21 @@ func Test_Model_Prefix(t *testing.T) {
 func Test_Model_Schema1(t *testing.T) {
 	// db.SetDebug(true)

-	db.SetSchema(TestSchema1)
+	db = db.Schema(TestSchema1)
 	table := fmt.Sprintf(`%s_%s`, TableName, gtime.TimestampNanoStr())
 	createInitTableWithDb(db, table)
-	db.SetSchema(TestSchema2)
+	db = db.Schema(TestSchema2)
 	createInitTableWithDb(db, table)
 	defer func() {
-		db.SetSchema(TestSchema1)
+		db = db.Schema(TestSchema1)
 		dropTableWithDb(db, table)
-		db.SetSchema(TestSchema2)
+		db = db.Schema(TestSchema2)
 		dropTableWithDb(db, table)
-
-		db.SetSchema(TestSchema1)
+		db = db.Schema(TestSchema1)
 	}()
 	// Method.
 	gtest.C(t, func(t *gtest.T) {
-		db.SetSchema(TestSchema1)
+		db = db.Schema(TestSchema1)
 		r, err := db.Model(table).Update(g.Map{"nickname": "name_100"}, "id=1")
 		t.AssertNil(err)
 		n, _ := r.RowsAffected()
@ -2258,7 +2279,7 @@ func Test_Model_Schema1(t *testing.T) {
 		t.AssertNil(err)
 		t.Assert(v.String(), "name_100")

-		db.SetSchema(TestSchema2)
+		db = db.Schema(TestSchema2)
 		v, err = db.Model(table).Value("nickname", "id=1")
 		t.AssertNil(err)
 		t.Assert(v.String(), "name_1")
@ -2312,18 +2333,18 @@ func Test_Model_Schema1(t *testing.T) {
 func Test_Model_Schema2(t *testing.T) {
 	// db.SetDebug(true)

-	db.SetSchema(TestSchema1)
+	db = db.Schema(TestSchema1)
 	table := fmt.Sprintf(`%s_%s`, TableName, gtime.TimestampNanoStr())
 	createInitTableWithDb(db, table)
-	db.SetSchema(TestSchema2)
+	db = db.Schema(TestSchema2)
 	createInitTableWithDb(db, table)
 	defer func() {
-		db.SetSchema(TestSchema1)
+		db = db.Schema(TestSchema1)
 		dropTableWithDb(db, table)
-		db.SetSchema(TestSchema2)
+		db = db.Schema(TestSchema2)
 		dropTableWithDb(db, table)

-		db.SetSchema(TestSchema1)
+		db = db.Schema(TestSchema1)
 	}()
 	// Schema.
 	gtest.C(t, func(t *gtest.T) {
--- a/database/gredis/gredis.go
+++ b/database/gredis/gredis.go
@ -13,25 +13,19 @@
 // Redis Chinese Documentation: http://redisdoc.com/
 package gredis

-import (
-	"github.com/gogf/gf/v2/errors/gcode"
-	"github.com/gogf/gf/v2/errors/gerror"
-)
-
 // New creates and returns a redis client.
 // It creates a default redis adapter of go-redis.
 func New(config ...*Config) (*Redis, error) {
-	if len(config) > 0 {
+	if len(config) > 0 && config[0] != nil {
+		// Redis client with go redis implements adapter from given configuration.
 		return &Redis{adapter: NewAdapterGoRedis(config[0])}, nil
 	}
-	configFromGlobal, ok := GetConfig()
-	if !ok {
-		return nil, gerror.NewCode(
-			gcode.CodeMissingConfiguration,
-			`configuration not found for creating Redis client`,
-		)
+	// Redis client with go redis implements adapter from package configuration.
+	if configFromGlobal, ok := GetConfig(); ok {
+		return &Redis{adapter: NewAdapterGoRedis(configFromGlobal)}, nil
 	}
-	return &Redis{adapter: NewAdapterGoRedis(configFromGlobal)}, nil
+	// Redis client with empty adapter.
+	return &Redis{}, nil
 }

 // NewWithAdapter creates and returns a redis client with given adapter.
--- a/database/gredis/gredis_adapter_goredis.go
+++ b/database/gredis/gredis_adapter_goredis.go
@ -28,6 +28,7 @@ const (
 	defaultPoolIdleTimeout = 10 * time.Second
 	defaultPoolWaitTimeout = 10 * time.Second
 	defaultPoolMaxLifeTime = 30 * time.Second
+	defaultMaxRetries      = -1
 )

 // NewAdapterGoRedis creates and returns a redis adapter using go-redis.
@ -37,6 +38,7 @@ func NewAdapterGoRedis(config *Config) *AdapterGoRedis {
 		Addrs:        gstr.SplitAndTrim(config.Address, ","),
 		Password:     config.Pass,
 		DB:           config.Db,
+		MaxRetries:   defaultMaxRetries,
 		MinIdleConns: config.MinIdle,
 		MaxConnAge:   config.MaxConnLifetime,
 		IdleTimeout:  config.IdleTimeout,
@ -90,4 +92,10 @@ func fillWithDefaultConfiguration(config *Config) {
 	if config.MaxConnLifetime == 0 {
 		config.MaxConnLifetime = defaultPoolMaxLifeTime
 	}
+	if config.WriteTimeout == 0 {
+		config.WriteTimeout = -1
+	}
+	if config.ReadTimeout == 0 {
+		config.ReadTimeout = -1
+	}
 }
--- a/database/gredis/gredis_config.go
+++ b/database/gredis/gredis_config.go
@ -30,7 +30,7 @@ type Config struct {
 	IdleTimeout     time.Duration `json:"idleTimeout"`     // Maximum idle time for connection (default is 10 seconds, not allowed to be set to 0)
 	WaitTimeout     time.Duration `json:"waitTimeout"`     // Timed out duration waiting to get a connection from the connection pool.
 	DialTimeout     time.Duration `json:"dialTimeout"`     // Dial connection timeout for TCP.
-	ReadTimeout     time.Duration `json:"readTimeout"`     // Read timeout for TCP.
+	ReadTimeout     time.Duration `json:"readTimeout"`     // Read timeout for TCP. DO NOT set it if not necessary.
 	WriteTimeout    time.Duration `json:"writeTimeout"`    // Write timeout for TCP.
 	MasterName      string        `json:"masterName"`      // Used in Redis Sentinel mode.
 	TLS             bool          `json:"tls"`             // Specifies whether TLS should be used when connecting to the server.
--- a/database/gredis/gredis_instance.go
+++ b/database/gredis/gredis_instance.go
@ -29,7 +29,7 @@ func Instance(name ...string) *Redis {
 		if config, ok := GetConfig(group); ok {
 			r, err := New(config)
 			if err != nil {
-				intlog.Error(context.TODO(), err)
+				intlog.Errorf(context.TODO(), `%+v`, err)
 				return nil
 			}
 			return r
--- a/database/gredis/gredis_redis.go
+++ b/database/gredis/gredis_redis.go
@ -46,6 +46,12 @@ func (r *Redis) Conn(ctx context.Context) (*RedisConn, error) {
 	if r == nil {
 		return nil, gerror.NewCode(gcode.CodeInvalidParameter, errorNilRedis)
 	}
+	if r.adapter == nil {
+		return nil, gerror.NewCodef(
+			gcode.CodeMissingConfiguration,
+			`redis adapter not initialized, missing configuration or adapter register?`,
+		)
+	}
 	conn, err := r.adapter.Conn(ctx)
 	if err != nil {
 		return nil, err
@ -67,13 +73,31 @@ func (r *Redis) Do(ctx context.Context, command string, args ...interface{}) (*g
 		return nil, err
 	}
 	defer func() {
-		if err := conn.Close(ctx); err != nil {
-			intlog.Error(ctx, err)
+		if closeErr := conn.Close(ctx); closeErr != nil {
+			intlog.Errorf(ctx, `%+v`, closeErr)
 		}
 	}()
 	return conn.Do(ctx, command, args...)
 }

+// MustConn performs as function Conn, but it panics if any error occurs internally.
+func (r *Redis) MustConn(ctx context.Context) *RedisConn {
+	c, err := r.Conn(ctx)
+	if err != nil {
+		panic(err)
+	}
+	return c
+}
+
+// MustDo performs as function Do, but it panics if any error occurs internally.
+func (r *Redis) MustDo(ctx context.Context, command string, args ...interface{}) *gvar.Var {
+	v, err := r.Do(ctx, command, args...)
+	if err != nil {
+		panic(err)
+	}
+	return v
+}
+
 // Close closes current redis client, closes its connection pool and releases all its related resources.
 func (r *Redis) Close(ctx context.Context) error {
 	if r == nil {
--- a/database/gredis/gredis_redis_conn.go
+++ b/database/gredis/gredis_redis_conn.go
@ -10,10 +10,13 @@ import (
 	"context"
 	"reflect"

+	"github.com/gogf/gf/v2"
 	"github.com/gogf/gf/v2/container/gvar"
 	"github.com/gogf/gf/v2/internal/json"
 	"github.com/gogf/gf/v2/internal/utils"
 	"github.com/gogf/gf/v2/os/gtime"
+	"go.opentelemetry.io/otel"
+	"go.opentelemetry.io/otel/trace"
 )

 // RedisConn is a connection of redis client.
@ -25,6 +28,9 @@ type RedisConn struct {
 // Do send a command to the server and returns the received reply.
 // It uses json.Marshal for struct/slice/map type values before committing them to redis.
 func (c *RedisConn) Do(ctx context.Context, command string, args ...interface{}) (reply *gvar.Var, err error) {
+	if ctx == nil {
+		ctx = context.Background()
+	}
 	for k, v := range args {
 		var (
 			reflectInfo = utils.OriginTypeAndKind(v)
@ -43,12 +49,18 @@ func (c *RedisConn) Do(ctx context.Context, command string, args ...interface{})
 			}
 		}
 	}
+
+	// Trace span start.
+	tr := otel.GetTracerProvider().Tracer(traceInstrumentName, trace.WithInstrumentationVersion(gf.VERSION))
+	_, span := tr.Start(ctx, "Redis."+command, trace.WithSpanKind(trace.SpanKindInternal))
+	defer span.End()
+
 	timestampMilli1 := gtime.TimestampMilli()
 	reply, err = c.conn.Do(ctx, command, args...)
 	timestampMilli2 := gtime.TimestampMilli()

-	// Tracing.
-	c.addTracingItem(ctx, &tracingItem{
+	// Trace span end.
+	c.traceSpanEnd(ctx, span, &traceItem{
 		err:       err,
 		command:   command,
 		args:      args,
--- a/database/gredis/gredis_redis_trace.go
+++ b/database/gredis/gredis_redis_trace.go
@ -0,0 +1,66 @@
+// Copyright GoFrame Author(https://goframe.org). All Rights Reserved.
+//
+// This Source Code Form is subject to the terms of the MIT License.
+// If a copy of the MIT was not distributed with this file,
+// You can obtain one at https://github.com/gogf/gf.
+
+package gredis
+
+import (
+	"context"
+	"fmt"
+
+	"go.opentelemetry.io/otel/attribute"
+	"go.opentelemetry.io/otel/codes"
+	"go.opentelemetry.io/otel/trace"
+
+	"github.com/gogf/gf/v2/internal/json"
+	"github.com/gogf/gf/v2/net/gtrace"
+)
+
+// traceItem holds the information for redis trace.
+type traceItem struct {
+	err       error
+	command   string
+	args      []interface{}
+	costMilli int64
+}
+
+const (
+	traceInstrumentName               = "github.com/gogf/gf/v2/database/gredis"
+	traceAttrRedisAddress             = "redis.address"
+	traceAttrRedisDb                  = "redis.db"
+	traceEventRedisExecution          = "redis.execution"
+	traceEventRedisExecutionCommand   = "redis.execution.command"
+	traceEventRedisExecutionCost      = "redis.execution.cost"
+	traceEventRedisExecutionArguments = "redis.execution.arguments"
+)
+
+// traceSpanEnd checks and adds redis trace information to OpenTelemetry.
+func (c *RedisConn) traceSpanEnd(ctx context.Context, span trace.Span, item *traceItem) {
+	if gtrace.IsUsingDefaultProvider() || !gtrace.IsTracingInternal() {
+		return
+	}
+	if ctx == nil {
+		ctx = context.Background()
+	}
+	if item.err != nil {
+		span.SetStatus(codes.Error, fmt.Sprintf(`%+v`, item.err))
+	}
+
+	span.SetAttributes(gtrace.CommonLabels()...)
+
+	if adapter, ok := c.redis.GetAdapter().(*AdapterGoRedis); ok {
+		span.SetAttributes(
+			attribute.String(traceAttrRedisAddress, adapter.config.Address),
+			attribute.Int(traceAttrRedisDb, adapter.config.Db),
+		)
+	}
+
+	jsonBytes, _ := json.Marshal(item.args)
+	span.AddEvent(traceEventRedisExecution, trace.WithAttributes(
+		attribute.String(traceEventRedisExecutionCommand, item.command),
+		attribute.String(traceEventRedisExecutionCost, fmt.Sprintf(`%d ms`, item.costMilli)),
+		attribute.String(traceEventRedisExecutionArguments, string(jsonBytes)),
+	))
+}
--- a/database/gredis/gredis_redis_tracing.go
+++ b/database/gredis/gredis_redis_tracing.go
@ -1,74 +0,0 @@
-// Copyright GoFrame Author(https://goframe.org). All Rights Reserved.
-//
-// This Source Code Form is subject to the terms of the MIT License.
-// If a copy of the MIT was not distributed with this file,
-// You can obtain one at https://github.com/gogf/gf.
-
-package gredis
-
-import (
-	"context"
-	"fmt"
-
-	"go.opentelemetry.io/otel"
-	"go.opentelemetry.io/otel/attribute"
-	"go.opentelemetry.io/otel/codes"
-	"go.opentelemetry.io/otel/trace"
-
-	"github.com/gogf/gf/v2"
-	"github.com/gogf/gf/v2/internal/json"
-	"github.com/gogf/gf/v2/net/gtrace"
-)
-
-// tracingItem holds the information for redis tracing.
-type tracingItem struct {
-	err       error
-	command   string
-	args      []interface{}
-	costMilli int64
-}
-
-const (
-	tracingInstrumentName               = "github.com/gogf/gf/v2/database/gredis"
-	tracingAttrRedisAddress             = "redis.address"
-	tracingAttrRedisDb                  = "redis.db"
-	tracingEventRedisExecution          = "redis.execution"
-	tracingEventRedisExecutionCommand   = "redis.execution.command"
-	tracingEventRedisExecutionCost      = "redis.execution.cost"
-	tracingEventRedisExecutionArguments = "redis.execution.arguments"
-)
-
-// addTracingItem checks and adds redis tracing information to OpenTelemetry.
-func (c *RedisConn) addTracingItem(ctx context.Context, item *tracingItem) {
-	if gtrace.IsUsingDefaultProvider() || !gtrace.IsTracingInternal() {
-		return
-	}
-	tr := otel.GetTracerProvider().Tracer(
-		tracingInstrumentName,
-		trace.WithInstrumentationVersion(gf.VERSION),
-	)
-	if ctx == nil {
-		ctx = context.Background()
-	}
-	_, span := tr.Start(ctx, "Redis."+item.command, trace.WithSpanKind(trace.SpanKindInternal))
-	defer span.End()
-	if item.err != nil {
-		span.SetStatus(codes.Error, fmt.Sprintf(`%+v`, item.err))
-	}
-
-	span.SetAttributes(gtrace.CommonLabels()...)
-
-	if adapter, ok := c.redis.GetAdapter().(*AdapterGoRedis); ok {
-		span.SetAttributes(
-			attribute.String(tracingAttrRedisAddress, adapter.config.Address),
-			attribute.Int(tracingAttrRedisDb, adapter.config.Db),
-		)
-	}
-
-	jsonBytes, _ := json.Marshal(item.args)
-	span.AddEvent(tracingEventRedisExecution, trace.WithAttributes(
-		attribute.String(tracingEventRedisExecutionCommand, item.command),
-		attribute.String(tracingEventRedisExecutionCost, fmt.Sprintf(`%d ms`, item.costMilli)),
-		attribute.String(tracingEventRedisExecutionArguments, string(jsonBytes)),
-	))
-}
--- a/encoding/gbinary/gbinary_be.go
+++ b/encoding/gbinary/gbinary_be.go
@ -63,7 +63,7 @@ func BeEncode(values ...interface{}) []byte {
 			buf.Write(BeEncodeFloat64(value))
 		default:
 			if err := binary.Write(buf, binary.BigEndian, value); err != nil {
-				intlog.Error(context.TODO(), err)
+				intlog.Errorf(context.TODO(), `%+v`, err)
 				buf.Write(BeEncodeString(fmt.Sprintf("%v", value)))
 			}
 		}
--- a/encoding/gbinary/gbinary_le.go
+++ b/encoding/gbinary/gbinary_le.go
@ -29,7 +29,6 @@ func LeEncode(values ...interface{}) []byte {
 		if values[i] == nil {
 			return buf.Bytes()
 		}
-
 		switch value := values[i].(type) {
 		case int:
 			buf.Write(LeEncodeInt(value))
@ -61,9 +60,10 @@ func LeEncode(values ...interface{}) []byte {
 			buf.Write(LeEncodeFloat32(value))
 		case float64:
 			buf.Write(LeEncodeFloat64(value))
+
 		default:
 			if err := binary.Write(buf, binary.LittleEndian, value); err != nil {
-				intlog.Error(context.TODO(), err)
+				intlog.Errorf(context.TODO(), `%+v`, err)
 				buf.Write(LeEncodeString(fmt.Sprintf("%v", value)))
 			}
 		}
--- a/encoding/gcharset/gcharset.go
+++ b/encoding/gcharset/gcharset.go
@ -109,7 +109,7 @@ func getEncoding(charset string) encoding.Encoding {
 	}
 	enc, err := ianaindex.MIB.Encoding(charset)
 	if err != nil {
-		intlog.Error(context.TODO(), err)
+		intlog.Errorf(context.TODO(), `%+v`, err)
 	}
 	return enc
 }
--- a/encoding/gcompress/gcompress_z_unit_gzip_test.go
+++ b/encoding/gcompress/gcompress_z_unit_gzip_test.go
@ -44,8 +44,8 @@ func Test_Gzip_UnGzip(t *testing.T) {

 func Test_Gzip_UnGzip_File(t *testing.T) {
 	srcPath := gdebug.TestDataPath("gzip", "file.txt")
-	dstPath1 := gfile.TempDir(gtime.TimestampNanoStr(), "gzip.zip")
-	dstPath2 := gfile.TempDir(gtime.TimestampNanoStr(), "file.txt")
+	dstPath1 := gfile.Temp(gtime.TimestampNanoStr(), "gzip.zip")
+	dstPath2 := gfile.Temp(gtime.TimestampNanoStr(), "file.txt")

 	// Compress.
 	gtest.C(t, func(t *gtest.T) {
--- a/encoding/gcompress/gcompress_z_unit_zip_test.go
+++ b/encoding/gcompress/gcompress_z_unit_zip_test.go
@ -29,7 +29,7 @@ func Test_ZipPath(t *testing.T) {
 		defer gfile.Remove(dstPath)

 		// unzip to temporary dir.
-		tempDirPath := gfile.TempDir(gtime.TimestampNanoStr())
+		tempDirPath := gfile.Temp(gtime.TimestampNanoStr())
 		t.Assert(gfile.Mkdir(tempDirPath), nil)
 		t.Assert(gcompress.UnZipFile(dstPath, tempDirPath), nil)
 		defer gfile.Remove(tempDirPath)
@ -44,7 +44,7 @@ func Test_ZipPath(t *testing.T) {
 		var (
 			srcPath1 = gdebug.TestDataPath("zip", "path1", "1.txt")
 			srcPath2 = gdebug.TestDataPath("zip", "path2", "2.txt")
-			dstPath  = gfile.TempDir(gtime.TimestampNanoStr(), "zip.zip")
+			dstPath  = gfile.Temp(gtime.TimestampNanoStr(), "zip.zip")
 		)
 		if p := gfile.Dir(dstPath); !gfile.Exists(p) {
 			t.Assert(gfile.Mkdir(p), nil)
@ -57,7 +57,7 @@ func Test_ZipPath(t *testing.T) {
 		defer gfile.Remove(dstPath)

 		// unzip to another temporary dir.
-		tempDirPath := gfile.TempDir(gtime.TimestampNanoStr())
+		tempDirPath := gfile.Temp(gtime.TimestampNanoStr())
 		t.Assert(gfile.Mkdir(tempDirPath), nil)
 		err = gcompress.UnZipFile(dstPath, tempDirPath)
 		t.Assert(err, nil)
@ -77,7 +77,7 @@ func Test_ZipPath(t *testing.T) {
 		var (
 			srcPath1 = gdebug.TestDataPath("zip", "path1")
 			srcPath2 = gdebug.TestDataPath("zip", "path2", "2.txt")
-			dstPath  = gfile.TempDir(gtime.TimestampNanoStr(), "zip.zip")
+			dstPath  = gfile.Temp(gtime.TimestampNanoStr(), "zip.zip")
 		)
 		if p := gfile.Dir(dstPath); !gfile.Exists(p) {
 			t.Assert(gfile.Mkdir(p), nil)
@ -90,7 +90,7 @@ func Test_ZipPath(t *testing.T) {
 		defer gfile.Remove(dstPath)

 		// unzip to another temporary dir.
-		tempDirPath := gfile.TempDir(gtime.TimestampNanoStr())
+		tempDirPath := gfile.Temp(gtime.TimestampNanoStr())
 		t.Assert(gfile.Mkdir(tempDirPath), nil)
 		err = gcompress.UnZipFile(dstPath, tempDirPath)
 		t.Assert(err, nil)
@ -121,7 +121,7 @@ func Test_ZipPath(t *testing.T) {
 		t.Assert(gfile.Exists(dstPath), true)
 		defer gfile.Remove(dstPath)

-		tempDirPath := gfile.TempDir(gtime.TimestampNanoStr())
+		tempDirPath := gfile.Temp(gtime.TimestampNanoStr())
 		err = gfile.Mkdir(tempDirPath)
 		t.Assert(err, nil)

@ -157,7 +157,7 @@ func Test_ZipPath(t *testing.T) {
 		t.Assert(gfile.Exists(dstPath), true)
 		defer gfile.Remove(dstPath)

-		tempDirPath := gfile.TempDir(gtime.TimestampNanoStr())
+		tempDirPath := gfile.Temp(gtime.TimestampNanoStr())
 		err = gfile.Mkdir(tempDirPath)
 		t.Assert(err, nil)

@ -196,7 +196,7 @@ func Test_ZipPathWriter(t *testing.T) {
 		t.Assert(err, nil)
 		t.AssertGT(writer.Len(), 0)

-		tempDirPath := gfile.TempDir(gtime.TimestampNanoStr())
+		tempDirPath := gfile.Temp(gtime.TimestampNanoStr())
 		err = gfile.Mkdir(tempDirPath)
 		t.Assert(err, nil)

--- a/encoding/gjson/gjson.go
+++ b/encoding/gjson/gjson.go
@ -90,6 +90,9 @@ func (j *Json) setValue(pattern string, value interface{}, removed bool) error {
 					// Delete item from map.
 					delete((*pointer).(map[string]interface{}), array[i])
 				} else {
+					if (*pointer).(map[string]interface{}) == nil {
+						*pointer = map[string]interface{}{}
+					}
 					(*pointer).(map[string]interface{})[array[i]] = value
 				}
 			} else {
--- a/encoding/gjson/gjson_api.go
+++ b/encoding/gjson/gjson_api.go
@ -60,12 +60,7 @@ func (j *Json) Get(pattern string, def ...interface{}) *gvar.Var {
 		return nil
 	}

-	var result *interface{}
-	if j.vc {
-		result = j.getPointerByPattern(pattern)
-	} else {
-		result = j.getPointerByPatternWithoutViolenceCheck(pattern)
-	}
+	result := j.getPointerByPattern(pattern)
 	if result != nil {
 		return gvar.New(*result)
 	}
--- a/encoding/gjson/gjson_api_new_load.go
+++ b/encoding/gjson/gjson_api_new_load.go
@ -67,38 +67,30 @@ func NewWithOptions(data interface{}, options Options) *Json {
 			}
 		}
 	default:
-		var reflectInfo = utils.OriginValueAndKind(data)
+		var (
+			pointedData interface{}
+			reflectInfo = utils.OriginValueAndKind(data)
+		)
 		switch reflectInfo.OriginKind {
 		case reflect.Slice, reflect.Array:
-			var i interface{} = gconv.Interfaces(data)
-			j = &Json{
-				p:  &i,
-				c:  byte(defaultSplitChar),
-				vc: false,
-			}
+			pointedData = gconv.Interfaces(data)
+
 		case reflect.Map:
-			var i interface{} = gconv.MapDeep(data, options.Tags)
-			j = &Json{
-				p:  &i,
-				c:  byte(defaultSplitChar),
-				vc: false,
-			}
+			pointedData = gconv.MapDeep(data, options.Tags)
+
 		case reflect.Struct:
 			if v, ok := data.(iVal); ok {
 				return NewWithOptions(v.Val(), options)
 			}
-			var i interface{} = gconv.MapDeep(data, options.Tags)
-			j = &Json{
-				p:  &i,
-				c:  byte(defaultSplitChar),
-				vc: false,
-			}
+			pointedData = gconv.MapDeep(data, options.Tags)
+
 		default:
-			j = &Json{
-				p:  &data,
-				c:  byte(defaultSplitChar),
-				vc: false,
-			}
+			pointedData = data
+		}
+		j = &Json{
+			p:  &pointedData,
+			c:  byte(defaultSplitChar),
+			vc: false,
 		}
 	}
 	j.mu = rwmutex.New(options.Safe)
--- a/encoding/gjson/gjson_z_example_conversion_test.go
+++ b/encoding/gjson/gjson_z_example_conversion_test.go
@ -8,7 +8,6 @@ package gjson_test

 import (
 	"fmt"
-
 	"github.com/gogf/gf/v2/encoding/gjson"
 )

@ -61,7 +60,7 @@ func Example_conversionNormalFormats() {
 	//   count = 1.0
 }

-func Example_conversionGetStruct() {
+func ExampleJson_ConversionGetStruct() {
 	data :=
 		`{
        "users" : {
@ -87,7 +86,7 @@ func Example_conversionGetStruct() {
 	// &{Count:1 Array:[John Ming]}
 }

-func Example_conversionToStruct() {
+func ExampleJson_ConversionToStruct() {
 	data :=
 		`
 	{
@ -111,3 +110,166 @@ func Example_conversionToStruct() {
 	// Output:
 	// &{Count:1 Array:[John Ming]}
 }
+
+func ExampleValid() {
+	data1 := []byte(`{"n":123456789, "m":{"k":"v"}, "a":[1,2,3]}`)
+	data2 := []byte(`{"n":123456789, "m":{"k":"v"}, "a":[1,2,3]`)
+	fmt.Println(gjson.Valid(data1))
+	fmt.Println(gjson.Valid(data2))
+
+	// Output:
+	// true
+	// false
+}
+
+func ExampleMarshal() {
+	data := map[string]interface{}{
+		"name":  "john",
+		"score": 100,
+	}
+
+	jsonData, _ := gjson.Marshal(data)
+	fmt.Println(string(jsonData))
+
+	type BaseInfo struct {
+		Name string
+		Age  int
+	}
+
+	info := BaseInfo{
+		Name: "Guo Qiang",
+		Age:  18,
+	}
+
+	infoData, _ := gjson.Marshal(info)
+	fmt.Println(string(infoData))
+
+	// Output:
+	// {"name":"john","score":100}
+	// {"Name":"Guo Qiang","Age":18}
+}
+
+func ExampleMarshalIndent() {
+	type BaseInfo struct {
+		Name string
+		Age  int
+	}
+
+	info := BaseInfo{
+		Name: "John",
+		Age:  18,
+	}
+
+	infoData, _ := gjson.MarshalIndent(info, "", "\t")
+	fmt.Println(string(infoData))
+
+	// Output:
+	// {
+	//	"Name": "John",
+	//	"Age": 18
+	// }
+}
+
+func ExampleUnmarshal() {
+	type BaseInfo struct {
+		Name  string
+		Score int
+	}
+
+	var info BaseInfo
+
+	jsonContent := "{\"name\":\"john\",\"score\":100}"
+	gjson.Unmarshal([]byte(jsonContent), &info)
+	fmt.Printf("%+v", info)
+
+	// Output:
+	// {Name:john Score:100}
+}
+
+func ExampleMustEncode() {
+	type BaseInfo struct {
+		Name string
+		Age  int
+	}
+
+	info := BaseInfo{
+		Name: "John",
+		Age:  18,
+	}
+
+	infoData := gjson.MustEncode(info)
+	fmt.Println(string(infoData))
+
+	// Output:
+	// {"Name":"John","Age":18}
+}
+
+func ExampleEncodeString() {
+	type BaseInfo struct {
+		Name string
+		Age  int
+	}
+
+	info := BaseInfo{
+		Name: "John",
+		Age:  18,
+	}
+
+	infoData, _ := gjson.EncodeString(info)
+	fmt.Println(infoData)
+
+	// Output:
+	// {"Name":"John","Age":18}
+}
+
+func ExampleMustEncodeString() {
+	type BaseInfo struct {
+		Name string
+		Age  int
+	}
+
+	info := BaseInfo{
+		Name: "John",
+		Age:  18,
+	}
+
+	infoData := gjson.MustEncodeString(info)
+	fmt.Println(infoData)
+
+	// Output:
+	// {"Name":"John","Age":18}
+}
+
+func ExampleDecode() {
+	jsonContent := `{"name":"john","score":100}`
+	info, _ := gjson.Decode([]byte(jsonContent))
+	fmt.Println(info)
+
+	// Output:
+	// map[name:john score:100]
+}
+
+func ExampleDecodeTo() {
+	type BaseInfo struct {
+		Name  string
+		Score int
+	}
+
+	var info BaseInfo
+
+	jsonContent := "{\"name\":\"john\",\"score\":100}"
+	gjson.DecodeTo([]byte(jsonContent), &info)
+	fmt.Printf("%+v", info)
+
+	// Output:
+	// {Name:john Score:100}
+}
+
+func ExampleDecodeToJson() {
+	jsonContent := `{"name":"john","score":100}"`
+	j, _ := gjson.DecodeToJson([]byte(jsonContent))
+	fmt.Println(j.Map())
+
+	// May Output:
+	// map[name:john score:100]
+}
--- a/encoding/gjson/gjson_z_example_dataset_test.go
+++ b/encoding/gjson/gjson_z_example_dataset_test.go
@ -12,7 +12,7 @@ import (
 	"github.com/gogf/gf/v2/encoding/gjson"
 )

-func Example_dataSetCreate1() {
+func ExampleJson_Set_DataSetCreate1() {
 	j := gjson.New(nil)
 	j.Set("name", "John")
 	j.Set("score", 99.5)
@ -28,7 +28,7 @@ func Example_dataSetCreate1() {
 	// {"name":"John","score":99.5}
 }

-func Example_dataSetCreate2() {
+func ExampleJson_Set_DataSetCreate2() {
 	j := gjson.New(nil)
 	for i := 0; i < 5; i++ {
 		j.Set(fmt.Sprintf(`%d.id`, i), i)
@ -40,7 +40,7 @@ func Example_dataSetCreate2() {
 	// [{"id":0,"name":"student-0"},{"id":1,"name":"student-1"},{"id":2,"name":"student-2"},{"id":3,"name":"student-3"},{"id":4,"name":"student-4"}]
 }

-func Example_dataSetRuntimeEdit() {
+func ExampleJson_DataSetRuntimeEdit() {
 	data :=
 		`{
        "users" : {
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
John Guo	8f326dcac5	project template update	2022-03-08 22:51:56 +08:00
John Guo	aa294ea5df	ci updates	2022-03-08 21:27:14 +08:00
John Guo	6afc725b61	ci updates	2022-03-08 21:22:01 +08:00
John Guo	ec01693773	ci updates	2022-03-08 21:04:48 +08:00
John Guo	b0cf501782	ci updates	2022-03-08 20:28:18 +08:00
John Guo	c2fb7ada0a	improve example for package gmap	2022-03-08 20:25:34 +08:00
John Guo	d0a8e60ace	improve example for package gmap	2022-03-08 20:14:38 +08:00
John Guo	ab36bb8842	version updates	2022-03-08 20:12:48 +08:00
John Guo	0b3cd7b7ae	improve handler response for ghttp.Server	2022-03-08 11:50:23 +08:00
John Guo	10ed04cdb8	example updates for package gmap	2022-03-08 09:49:33 +08:00
John Guo	e09704a408	example updates for package gmap	2022-03-07 22:10:34 +08:00
John Guo	ade9ae3c0b	improve package goai	2022-03-07 21:29:37 +08:00
John Guo	9cf6124c4c	improve package goai	2022-03-07 21:09:02 +08:00
John Guo	6d323cc529	improve package goai	2022-03-07 20:49:30 +08:00
John Guo	aea9f6fe18	keep sequence in attributes definition for oai.Schemas	2022-03-07 19:46:05 +08:00
John Guo	8a27463e44	ensure sequence for json.Marshal for gmap.ListMap/TreeMap	2022-03-07 17:39:41 +08:00
John Guo	47ee2cba51	Merge branch 'master' of https://github.com/gogf/gf	2022-03-07 09:58:07 +08:00
John Guo	531cc7b864	fix issue in package gproc	2022-03-07 09:57:51 +08:00
John Guo	54bdabd94d	Merge pull request #1549 from FlyingBlazer/cookie-secure-config ghttp: add cookie security configurations	2022-03-04 17:42:44 +08:00
John Guo	bb6e8fe7a8	Merge branch 'master' of https://github.com/gogf/gf	2022-03-04 11:37:30 +08:00
John Guo	d5d199ebef	Swagger UI updates	2022-03-04 11:36:05 +08:00
John Guo	158a4589d2	Merge pull request #1637 from wangbs95/feature/fix-chinese-encode fix(fix bug , add nexttime feature): ServeFileDownload filename doubl…	2022-03-04 09:32:01 +08:00
John Guo	84c0f456c0	template pack update	2022-03-03 21:43:01 +08:00
John Guo	3fcd6ef877	fix issue orphan value parsing for sructured arguments of command for package gcmd	2022-03-03 21:03:42 +08:00
John Guo	4e2d378145	improve file uploading using strict route feature	2022-03-02 21:15:16 +08:00
John Guo	d64898c59a	improve package goai	2022-03-02 20:00:40 +08:00
yuzhan	3bff71b3fc	merge master and update unit test	2022-03-02 15:33:58 +08:00
yuzhan	8343d1cd0e	Merge branch 'master' into cookie-secure-config	2022-03-02 15:20:31 +08:00
med-one	5c23c0cecd	fix(fix bug , add nexttime feature): ServeFileDownload filename double quotes cause underscores before and after the final file	2022-03-02 11:00:04 +08:00
John Guo	f580713478	Merge branch 'master' of https://github.com/gogf/gf	2022-03-02 10:26:20 +08:00
John Guo	3c58b8d7fa	improve openapi	2022-03-02 10:26:09 +08:00
yuzhan	072d5f9760	make options public	2022-03-02 09:56:58 +08:00
John Guo	f8067f5dd5	improve package ghttp	2022-03-01 22:53:19 +08:00
John Guo	ea354d10cc	Merge pull request #1636 from wangbs95/feature/fix-chinese-encode revert(fix bug , add nexttime feature): ServeFileDownload File name C…	2022-03-01 22:52:34 +08:00
John Guo	1724a26957	improve package gcfg	2022-03-01 22:34:57 +08:00
John Guo	46dc68dfd5	CI update for gf cli	2022-03-01 21:20:17 +08:00
John Guo	12fdfbf8b2	improve package gcfg	2022-03-01 21:14:45 +08:00
med-one	68bdf7deb4	revert(fix bug , add nexttime feature): ServeFileDownload File name Chinese garbled repair	2022-03-01 18:32:11 +08:00
John Guo	2362c453ec	improve cli command install	2022-03-01 16:39:47 +08:00
John Guo	50f6b6e0f0	fix UT case for package ghttp	2022-03-01 14:08:36 +08:00
John Guo	88a9eef8a6	api swagger ui update	2022-03-01 11:43:42 +08:00
John Guo	308e13a546	gf cli command build update	2022-02-28 22:00:25 +08:00
John Guo	a0b1fefdbb	Merge branch 'master' of https://github.com/gogf/gf	2022-02-28 21:58:15 +08:00
John Guo	3edbcb7bf9	gf cli update	2022-02-28 21:57:59 +08:00
John Guo	cb78953b38	Merge pull request #1628 from huangqian1985/master Improving gcmd Code Coverage	2022-02-28 20:45:01 +08:00
John Guo	a1ddac4e6b	Merge branch 'master' of https://github.com/gogf/gf	2022-02-28 17:49:16 +08:00
John Guo	456697ea99	improve cli command install	2022-02-28 17:48:52 +08:00
huangqian	8acffd1186	Improving gcmd Code Coverage	2022-02-27 21:00:23 +08:00
huangqian	814450fd17	gcmd example	2022-02-27 13:22:26 +08:00
John Guo	1365c1d277	Merge pull request #1623 from huangqian1985/master Improving gjson Code Coverage	2022-02-27 08:59:19 +08:00
huangqian	30be5c5e49	Improving gjson Code Coverage And Fix	2022-02-26 21:26:30 +08:00
John Guo	932cd9d5bb	README updates	2022-02-25 10:22:54 +08:00
John Guo	7b5f17c16b	gf cli pack template update	2022-02-24 22:44:48 +08:00
John Guo	b5e8e68713	fix issue #1625	2022-02-24 22:07:27 +08:00
huangqian	3a803ac39f	fix	2022-02-24 21:41:39 +08:00
John Guo	d27db119a0	fix issue #1626	2022-02-24 21:24:42 +08:00
huangqian	f54d0a339c	Improving gjson Code Coverage	2022-02-24 21:14:11 +08:00
huangqian	d83b676c60	Merge branch 'gjson_example'	2022-02-24 20:15:55 +08:00
huangqian	def3dc364f	Merge branch 'master' of https://github.com/gogf/gf	2022-02-24 20:15:44 +08:00
huangqian	298aa5f040	Improving gjson Code Coverage	2022-02-24 20:14:44 +08:00
John Guo	e4d56e7ad9	improve package gjson	2022-02-23 16:54:15 +08:00
John Guo	8eb9fdfcd0	improve package gbuild; version updates	2022-02-23 12:03:21 +08:00
John Guo	3db5358dcc	fix issue #1615	2022-02-23 10:34:38 +08:00
John Guo	d1fe0670fc	Merge branch 'master' of https://github.com/gogf/gf	2022-02-23 10:27:44 +08:00
John Guo	ee614f9c6b	fix issue #1563	2022-02-23 10:27:31 +08:00
huangqian	0fce4edcd3	Merge branch 'master' of https://github.com/gogf/gf	2022-02-23 00:46:47 +08:00
huangqian	a34f52ae5e	Merge branch 'gjson_example'	2022-02-23 00:46:33 +08:00
huangqian	da465bb030	Improving gjson Code Coverage	2022-02-23 00:46:13 +08:00
John Guo	d23b24dfba	Merge pull request #1610 from huangqian1985/master gjson Example Function	2022-02-22 22:03:54 +08:00
John Guo	22941276a5	fix issue #1611	2022-02-22 21:59:18 +08:00
John Guo	20a50cb198	fix issue #1615	2022-02-22 21:32:48 +08:00
John Guo	f0cd3c084e	fix data race in UT cases for package ghttp	2022-02-22 20:49:09 +08:00
John Guo	d9c1e1f576	improve package gconv/cli	2022-02-22 20:19:41 +08:00
John Guo	aa6705f493	improva gf cli, package gcfg	2022-02-22 17:42:40 +08:00
John Guo	3f526c3819	command usage description update for package gf cli	2022-02-22 14:17:18 +08:00
John Guo	6f5058c9b6	add x-url-path feature for ghttp.Server	2022-02-22 14:12:09 +08:00
John Guo	4935416b94	add middleware for CORS with default options	2022-02-22 10:51:22 +08:00
John Guo	afa58ed45b	fix issue #1227 #1617	2022-02-22 10:43:31 +08:00
huangqian	42bccb4c23	Merge branch 'master' of https://github.com/gogf/gf	2022-02-19 19:49:36 +08:00
huangqian	b2b0a1828e	Implemented gjson Example 1.MapStrAny 2.Interfaces 3.Interface 4.Var 5.IsNil 6.Get 7.GetJson 8.GetJsons 9.GetJsonMap 10.Set 11.MustSet 12.Remove 13.MustRemove 14.Contains 15.Len 16.Append 17.MustAppend 18. Map 19.Array 20.Scan 21.Dump	2022-02-19 19:48:50 +08:00
huangqian	5eec9ce7b1	Modify Function Name	2022-02-19 11:43:45 +08:00
John Guo	7812f41b43	fix issue #1219	2022-02-17 23:04:50 +08:00
huangqian	0bd3537a78	Implemented gjson Example 1.SetViolenceCheck 2.ToJson 3.ToJsonString 4.ToJsonIndent 5.ToJsonIndentString 6.MustToJson 7.MustToJsonString 8.MustToJsonIndent 9.MustToJsonIndentString 10.ToXml 11.ToXmlString 12.ToXmlIndent 13.ToXmlIndentString 14.MustToXml 15.MustToXmlString 16.MustToXmlIndent 17.MustToXmlIndentString 18.ToYaml 19.ToYamlString 20.ToYamlIndent 21.MustToYaml 22.MustToYamlString 23.ToToml 24.ToTomlString 25.MustToToml 26.MustToTomlString 27.ToIni 28.ToIniString 29.MustToIni 30.MustToIniString 31.MarshalJSON 32.UnmarshalJSON 33.UnmarshalValue	2022-02-17 22:54:29 +08:00
John Guo	fdf09b5978	improve UT case for package gtimer	2022-02-17 22:45:06 +08:00
John Guo	17d7c92b9d	fix issue #1217	2022-02-17 22:42:33 +08:00
John Guo	b6a7788240	fix issue #1609	2022-02-17 22:24:50 +08:00
John Guo	00ccce7bb8	fix issue #1607	2022-02-17 22:02:51 +08:00
John Guo	54b564b871	fix UT cases for package ghttp	2022-02-17 21:14:11 +08:00
huangqian	5882a9dc21	Merge branch 'gjson_example'	2022-02-17 20:30:26 +08:00
huangqian	144249fcff	Implemented gjson Example 1.SetSplitChar	2022-02-17 20:29:38 +08:00
John Guo	31ce55eb4d	cli update	2022-02-17 17:52:48 +08:00
John Guo	255b502460	README update	2022-02-17 17:15:09 +08:00
John Guo	073869b354	downgrade otel version from v1.3.0 to v1.0.0	2022-02-17 15:47:08 +08:00
John Guo	9fdf20b3e2	add SetError for ghttp.Request	2022-02-17 11:51:21 +08:00
John Guo	2461ef9f29	fix issue #1597	2022-02-17 11:46:35 +08:00
huangqian	f8f13bd905	Implemented gjson Example 1.Unmarshal 2.Encode 3.MustEncode 4.EncodeString 5.MustEncodeString 6.Decode 7.DecodeTo 8.DecodeToJson	2022-02-16 22:38:25 +08:00
John Guo	948cb9ff7c	enhance from issue #1589	2022-02-16 20:51:39 +08:00
John Guo	fa39b9ee54	fix issue in UT cases for package gring	2022-02-16 15:31:01 +08:00
John Guo	6d09328d6d	improve package goai; add example for array items response definition	2022-02-16 15:28:40 +08:00
John Guo	77fc8866bf	fix issue #1567	2022-02-16 01:12:22 +08:00
John Guo	a5cc03ff25	fix issue #1563	2022-02-16 00:47:23 +08:00
John Guo	5ab959ba58	fix issue #1554	2022-02-16 00:26:06 +08:00
John Guo	86b90ed4b6	enhancement from #1552	2022-02-15 23:55:05 +08:00
John Guo	6ffdff7095	fix issue #1537	2022-02-15 23:43:47 +08:00
John Guo	37c6320dd7	fix issue #1530	2022-02-15 23:04:37 +08:00
huangqian	33367fd3ee	Implemented gjson Example 1.ExampleValid 2.ExampleMarshal 3.ExampleMarshalIndent	2022-02-15 23:02:48 +08:00
huangqian	3a1cd3d588	Merge branch 'master' of https://github.com/gogf/gf into gjson_example	2022-02-15 22:15:33 +08:00
huangqian	4fc27f6509	Implemented gjson Example 1. ExampleLoad 2.ExampleLoadJson 3.ExampleLoadXml 4.ExampleLoadIni 5.ExampleLoadYaml 6.ExampleLoadToml 7.ExampleLoadContent 8.ExampleLoadContentType 9.ExampleIsValidDataType	2022-02-15 22:08:51 +08:00
John Guo	f0b78253b2	fix issue #1605	2022-02-15 01:10:03 +08:00
John Guo	2428b27168	fix issue #1488	2022-02-15 00:21:05 +08:00
John Guo	01ba56c38b	remove function Set for package gcfg	2022-02-14 17:20:27 +08:00
John Guo	887cad3b96	fix issue #1458	2022-02-14 17:04:14 +08:00
John Guo	14268aa1c0	fix issue #1405	2022-02-14 16:33:07 +08:00
John Guo	23c00eb83f	fix issue #1394	2022-02-14 16:08:26 +08:00
John Guo	5f2047d61b	fix issue in configuration StdoutColorDisabled for package glog; rename TempDir to Temp for package gfile	2022-02-14 14:50:25 +08:00
John Guo	1f9d86f015	improve configuration read from package frame/gins	2022-02-14 11:46:20 +08:00
huangqian	8cb6086f73	Implemented gjson Example 1. New 2.NewWithTag 3.NewWithOptions	2022-02-12 17:27:32 +08:00
John Guo	a887cedb99	example update	2022-02-09 16:51:15 +08:00
John Guo	1fb9be0628	improve trace feature for package gdb/gredis; add trace example cases	2022-02-09 02:49:29 +08:00
John Guo	caf03b223b	CI update	2022-02-08 23:57:57 +08:00
John Guo	f77d388d4f	CI update	2022-02-08 23:55:14 +08:00
John Guo	d0cfeb2a8c	CI update	2022-02-08 23:52:29 +08:00
John Guo	0a6e4ebf18	CI update	2022-02-08 23:25:33 +08:00
John Guo	dd34892857	CI update	2022-02-08 23:19:19 +08:00
John Guo	af39eb4c9f	CI update; Example update for package gcache	2022-02-08 23:13:33 +08:00
John Guo	bd4948c084	fix UT case for package gdb	2022-02-08 16:38:10 +08:00
John Guo	cea6cbc7db	Merge pull request #1595 from stardemo/master Update Github Action badge	2022-02-08 16:31:16 +08:00
John Guo	54ccbfef98	tempale content update for cmd gf	2022-02-08 16:30:38 +08:00
John Guo	88b124b29a	UT cases for package gdb	2022-02-08 14:43:39 +08:00
star liu	7eff3bc697	Update Github Action badge	2022-02-02 11:18:22 +08:00
John Guo	c3161d58fd	improve registry for package ghttp	2022-01-29 21:42:48 +08:00
John Guo	e2a0cb97ae	up	2022-01-29 21:30:48 +08:00
John Guo	4fae47db63	add secondary configuration node name for http server; improve package gsvc	2022-01-28 17:29:05 +08:00
John Guo	48b5f37894	move grpc packages to katyusha	2022-01-28 16:23:44 +08:00
John Guo	ff1755d2db	cli update	2022-01-28 16:18:16 +08:00
John Guo	f13ccd8527	Merge branch 'master' into feature-gsvc	2022-01-28 16:09:21 +08:00
John Guo	a97d74b15c	cli update	2022-01-28 16:07:00 +08:00
John Guo	8b48f16508	improve service registry for package ghttp; improve service discovery for package gclient; improve cli	2022-01-28 16:00:16 +08:00
John Guo	04eb654133	add error stack for internal error printing	2022-01-28 14:51:49 +08:00
John Guo	1a000396e2	improve gf command gen dao	2022-01-28 10:27:33 +08:00
John Guo	3a658cdb85	improve service registry for package ghttp/gclient	2022-01-27 18:12:39 +08:00
John Guo	3cb578488c	add service registry feature for package ghttp/gclient	2022-01-27 16:50:31 +08:00
John Guo	c845d1d93d	add Weight/RoundRobin/LeastConnection selector for package gsel; improve package balancer	2022-01-27 15:15:55 +08:00
John Guo	d322e67117	fix string print for time only gtime.Time; improve package drivers	2022-01-27 12:04:46 +08:00
John Guo	9ff17810a4	add raw grpc example using gsvc/resolver/registry-etcd	2022-01-26 23:43:48 +08:00
John Guo	5f87591407	improve package gsvc	2022-01-26 22:23:54 +08:00
John Guo	65c385c013	add etcd registry; add resolver; improve balancer	2022-01-26 20:51:17 +08:00
John Guo	8094968605	README update	2022-01-26 17:05:30 +08:00
John Guo	7ac9c46f12	mark underlying PostForm function deprecated for gclient.Client	2022-01-25 23:01:35 +08:00
John Guo	01b9fa8ac9	improve package gcfg	2022-01-25 20:43:57 +08:00
John Guo	adb4a1e6c0	README update	2022-01-25 10:21:59 +08:00
John Guo	c371e5221a	improve package gsel	2022-01-24 23:33:56 +08:00
John Guo	c9529199a1	add package gsvc/gsel	2022-01-24 23:09:26 +08:00
于湛	d045b4d2f5	make unit test compatible with go 1.15	2022-01-07 18:52:21 +08:00
于湛	572e71d76a	add CookieOptions add UnitTest	2022-01-07 17:10:21 +08:00
于湛	c91b83969c	WIP: add cookie security configuration	2022-01-05 14:33:20 +08:00