diff --git a/.example/net/ghttp/server/session/basic/session.go b/.example/net/ghttp/server/session/basic/session.go
index c7a21a684..d7ae0e1ec 100644
--- a/.example/net/ghttp/server/session/basic/session.go
+++ b/.example/net/ghttp/server/session/basic/session.go
@@ -8,6 +8,7 @@ import (
 
 func main() {
 	s := g.Server()
+	s.SetSessionCookieMaxAge(0)
 	s.Group("/", func(group *ghttp.RouterGroup) {
 		group.GET("/set", func(r *ghttp.Request) {
 			r.Session.Set("time", gtime.Timestamp())
diff --git a/database/gdb/gdb_core.go b/database/gdb/gdb_core.go
index 033a9666d..12c0d25c1 100644
--- a/database/gdb/gdb_core.go
+++ b/database/gdb/gdb_core.go
@@ -1,4 +1,4 @@
-// Copyright GoFrame Author(https://github.com/gogf/gf). All Rights Reserved.
+// 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,
@@ -83,9 +83,13 @@ func (c *Core) Query(sql string, args ...interface{}) (rows *sql.Rows, err error
 func (c *Core) DoQuery(link Link, sql string, args ...interface{}) (rows *sql.Rows, err error) {
 	sql, args = formatSql(sql, args)
 	sql, args = c.DB.HandleSqlBeforeCommit(link, sql, args)
+	ctx := c.DB.GetCtx()
+	if c.GetConfig().QueryTimeout > 0 {
+		ctx, _ = context.WithTimeout(ctx, c.GetConfig().QueryTimeout)
+	}
 	if c.DB.GetDebug() {
 		mTime1 := gtime.TimestampMilli()
-		rows, err = link.QueryContext(c.DB.GetCtx(), sql, args...)
+		rows, err = link.QueryContext(ctx, sql, args...)
 		mTime2 := gtime.TimestampMilli()
 		s := &Sql{
 			Sql:    sql,
@@ -98,7 +102,7 @@ func (c *Core) DoQuery(link Link, sql string, args ...interface{}) (rows *sql.Ro
 		}
 		c.writeSqlToLogger(s)
 	} else {
-		rows, err = link.QueryContext(c.DB.GetCtx(), sql, args...)
+		rows, err = link.QueryContext(ctx, sql, args...)
 	}
 	if err == nil {
 		return rows, nil
@@ -123,10 +127,14 @@ func (c *Core) Exec(sql string, args ...interface{}) (result sql.Result, err err
 func (c *Core) DoExec(link Link, sql string, args ...interface{}) (result sql.Result, err error) {
 	sql, args = formatSql(sql, args)
 	sql, args = c.DB.HandleSqlBeforeCommit(link, sql, args)
+	ctx := c.DB.GetCtx()
+	if c.GetConfig().ExecTimeout > 0 {
+		ctx, _ = context.WithTimeout(ctx, c.GetConfig().ExecTimeout)
+	}
 	if c.DB.GetDebug() {
 		mTime1 := gtime.TimestampMilli()
 		if !c.DB.GetDryRun() {
-			result, err = link.ExecContext(c.DB.GetCtx(), sql, args...)
+			result, err = link.ExecContext(ctx, sql, args...)
 		} else {
 			result = new(SqlResult)
 		}
@@ -143,7 +151,7 @@ func (c *Core) DoExec(link Link, sql string, args ...interface{}) (result sql.Re
 		c.writeSqlToLogger(s)
 	} else {
 		if !c.DB.GetDryRun() {
-			result, err = link.ExecContext(c.DB.GetCtx(), sql, args...)
+			result, err = link.ExecContext(ctx, sql, args...)
 		} else {
 			result = new(SqlResult)
 		}
@@ -178,7 +186,11 @@ func (c *Core) Prepare(sql string, execOnMaster ...bool) (*sql.Stmt, error) {
 
 // doPrepare calls prepare function on given link object and returns the statement object.
 func (c *Core) DoPrepare(link Link, sql string) (*sql.Stmt, error) {
-	return link.PrepareContext(c.DB.GetCtx(), sql)
+	ctx := c.DB.GetCtx()
+	if c.GetConfig().QueryTimeout > 0 {
+		ctx, _ = context.WithTimeout(ctx, c.GetConfig().QueryTimeout)
+	}
+	return link.PrepareContext(ctx, sql)
 }
 
 // GetAll queries and returns data records from database.
@@ -320,7 +332,11 @@ func (c *Core) Begin() (*TX, error) {
 	if master, err := c.DB.Master(); err != nil {
 		return nil, err
 	} else {
-		if tx, err := master.Begin(); err == nil {
+		ctx := c.DB.GetCtx()
+		if c.GetConfig().TranTimeout > 0 {
+			ctx, _ = context.WithTimeout(ctx, c.GetConfig().TranTimeout)
+		}
+		if tx, err := master.BeginTx(ctx, nil); err == nil {
 			return &TX{
 				db:     c.DB,
 				tx:     tx,
diff --git a/database/gdb/gdb_core_config.go b/database/gdb/gdb_core_config.go
index 85a9ee888..cbc4e4f9f 100644
--- a/database/gdb/gdb_core_config.go
+++ b/database/gdb/gdb_core_config.go
@@ -1,4 +1,4 @@
-// Copyright GoFrame Author(https://github.com/gogf/gf). All Rights Reserved.
+// 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,
@@ -16,8 +16,7 @@ import (
 )
 
 const (
-	DEFAULT_GROUP_NAME = "default" // Deprecated, use DefaultGroupName instead.
-	DefaultGroupName   = "default" // Default group name.
+	DefaultGroupName = "default" // Default group name.
 )
 
 // Config is the configuration management object.
@@ -28,26 +27,30 @@ type ConfigGroup []ConfigNode
 
 // ConfigNode is configuration for one node.
 type ConfigNode struct {
-	Host                 string        // Host of server, ip or domain like: 127.0.0.1, localhost
-	Port                 string        // Port, it's commonly 3306.
-	User                 string        // Authentication username.
-	Pass                 string        // Authentication password.
-	Name                 string        // Default used database name.
-	Type                 string        // Database type: mysql, sqlite, mssql, pgsql, oracle.
-	Role                 string        // (Optional, "master" in default) Node role, used for master-slave mode: master, slave.
-	Debug                bool          // (Optional) Debug mode enables debug information logging and output.
-	Prefix               string        // (Optional) Table prefix.
-	DryRun               bool          // (Optional) Dry run, which does SELECT but no INSERT/UPDATE/DELETE statements.
-	Weight               int           // (Optional) Weight for load balance calculating, it's useless if there's just one node.
-	Charset              string        // (Optional, "utf8mb4" in default) Custom charset when operating on database.
-	LinkInfo             string        `json:"link"`        // (Optional) Custom link information, when it is used, configuration Host/Port/User/Pass/Name are ignored.
-	MaxIdleConnCount     int           `json:"maxidle"`     // (Optional) Max idle connection configuration for underlying connection pool.
-	MaxOpenConnCount     int           `json:"maxopen"`     // (Optional) Max open connection configuration for underlying connection pool.
-	MaxConnLifetime      time.Duration `json:"maxlifetime"` // (Optional) Max connection TTL configuration for underlying connection pool.
-	CreatedAt            string        // (Optional) The filed name of table for automatic-filled created datetime.
-	UpdatedAt            string        // (Optional) The filed name of table for automatic-filled updated datetime.
-	DeletedAt            string        // (Optional) The filed name of table for automatic-filled updated datetime.
-	TimeMaintainDisabled bool          // (Optional) Disable the automatic time maintaining feature.
+	Host                 string        `json:"host"`                 // Host of server, ip or domain like: 127.0.0.1, localhost
+	Port                 string        `json:"port"`                 // Port, it's commonly 3306.
+	User                 string        `json:"user"`                 // Authentication username.
+	Pass                 string        `json:"pass"`                 // Authentication password.
+	Name                 string        `json:"name"`                 // Default used database name.
+	Type                 string        `json:"type"`                 // Database type: mysql, sqlite, mssql, pgsql, oracle.
+	Role                 string        `json:"role"`                 // (Optional, "master" in default) Node role, used for master-slave mode: master, slave.
+	Debug                bool          `json:"debug"`                // (Optional) Debug mode enables debug information logging and output.
+	Prefix               string        `json:"prefix"`               // (Optional) Table prefix.
+	DryRun               bool          `json:"dryRun"`               // (Optional) Dry run, which does SELECT but no INSERT/UPDATE/DELETE statements.
+	Weight               int           `json:"weight"`               // (Optional) Weight for load balance calculating, it's useless if there's just one node.
+	Charset              string        `json:"charset"`              // (Optional, "utf8mb4" in default) Custom charset when operating on database.
+	LinkInfo             string        `json:"link"`                 // (Optional) Custom link information, when it is used, configuration Host/Port/User/Pass/Name are ignored.
+	MaxIdleConnCount     int           `json:"maxIdle"`              // (Optional) Max idle connection configuration for underlying connection pool.
+	MaxOpenConnCount     int           `json:"maxOpen"`              // (Optional) Max open connection configuration for underlying connection pool.
+	MaxConnLifetime      time.Duration `json:"maxLifetime"`          // (Optional) Max connection TTL configuration for underlying connection pool.
+	QueryTimeout         time.Duration `json:"queryTimeout"`         // (Optional) Max query time for per dql.
+	ExecTimeout          time.Duration `json:"execTimeout"`          // (Optional) Max exec time for dml.
+	TranTimeout          time.Duration `json:"tranTimeout"`          // (Optional) Max exec time time for a transaction.
+	PrepareTimeout       time.Duration `json:"prepareTimeout"`       // (Optional) Max exec time time for prepare operation.
+	CreatedAt            string        `json:"createdAt"`            // (Optional) The filed name of table for automatic-filled created datetime.
+	UpdatedAt            string        `json:"updatedAt"`            // (Optional) The filed name of table for automatic-filled updated datetime.
+	DeletedAt            string        `json:"deletedAt"`            // (Optional) The filed name of table for automatic-filled updated datetime.
+	TimeMaintainDisabled bool          `json:"timeMaintainDisabled"` // (Optional) Disable the automatic time maintaining feature.
 }
 
 // configs is internal used configuration object.
diff --git a/database/gdb/gdb_func.go b/database/gdb/gdb_func.go
index 78c9ac47b..5e7c9b7bf 100644
--- a/database/gdb/gdb_func.go
+++ b/database/gdb/gdb_func.go
@@ -1,4 +1,4 @@
-// Copyright GoFrame Author(https://github.com/gogf/gf). All Rights Reserved.
+// 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,
@@ -48,9 +48,9 @@ type apiMapStrAny interface {
 }
 
 const (
-	ORM_TAG_FOR_STRUCT  = "orm"
-	ORM_TAG_FOR_UNIQUE  = "unique"
-	ORM_TAG_FOR_PRIMARY = "primary"
+	OrmTagForStruct  = "orm"
+	OrmTagForUnique  = "unique"
+	OrmTagForPrimary = "primary"
 )
 
 var (
@@ -58,7 +58,7 @@ var (
 	quoteWordReg = regexp.MustCompile(`^[a-zA-Z0-9\-_]+$`)
 
 	// Priority tags for struct converting for orm field mapping.
-	structTagPriority = append([]string{ORM_TAG_FOR_STRUCT}, gconv.StructTagPriority...)
+	structTagPriority = append([]string{OrmTagForStruct}, gconv.StructTagPriority...)
 )
 
 // ListItemValues retrieves and returns the elements of all item struct/map with key <key>.
@@ -315,14 +315,14 @@ func doQuoteString(s, charLeft, charRight string) string {
 // GetWhereConditionOfStruct returns the where condition sql and arguments by given struct pointer.
 // This function automatically retrieves primary or unique field and its attribute value as condition.
 func GetWhereConditionOfStruct(pointer interface{}) (where string, args []interface{}, err error) {
-	tagField, err := structs.TagFields(pointer, []string{ORM_TAG_FOR_STRUCT})
+	tagField, err := structs.TagFields(pointer, []string{OrmTagForStruct})
 	if err != nil {
 		return "", nil, err
 	}
 	array := ([]string)(nil)
 	for _, field := range tagField {
 		array = strings.Split(field.TagValue, ",")
-		if len(array) > 1 && gstr.InArray([]string{ORM_TAG_FOR_UNIQUE, ORM_TAG_FOR_PRIMARY}, array[1]) {
+		if len(array) > 1 && gstr.InArray([]string{OrmTagForUnique, OrmTagForPrimary}, array[1]) {
 			return array[0], []interface{}{field.Value()}, nil
 		}
 		if len(where) > 0 {
@@ -336,14 +336,14 @@ func GetWhereConditionOfStruct(pointer interface{}) (where string, args []interf
 
 // GetPrimaryKey retrieves and returns primary key field name from given struct.
 func GetPrimaryKey(pointer interface{}) (string, error) {
-	tagField, err := structs.TagFields(pointer, []string{ORM_TAG_FOR_STRUCT})
+	tagField, err := structs.TagFields(pointer, []string{OrmTagForStruct})
 	if err != nil {
 		return "", err
 	}
 	array := ([]string)(nil)
 	for _, field := range tagField {
 		array = strings.Split(field.TagValue, ",")
-		if len(array) > 1 && array[1] == ORM_TAG_FOR_PRIMARY {
+		if len(array) > 1 && array[1] == OrmTagForPrimary {
 			return array[0], nil
 		}
 	}
@@ -741,7 +741,7 @@ func FormatSqlWithArgs(sql string, args []interface{}) string {
 // convertMapToStruct maps the <data> to given struct.
 // Note that the given parameter <pointer> should be a pointer to s struct.
 func convertMapToStruct(data map[string]interface{}, pointer interface{}) error {
-	tagNameMap, err := structs.TagMapName(pointer, []string{ORM_TAG_FOR_STRUCT})
+	tagNameMap, err := structs.TagMapName(pointer, []string{OrmTagForStruct})
 	if err != nil {
 		return err
 	}
diff --git a/database/gdb/gdb_type_record.go b/database/gdb/gdb_type_record.go
index 7801e18fc..13edcf385 100644
--- a/database/gdb/gdb_type_record.go
+++ b/database/gdb/gdb_type_record.go
@@ -11,6 +11,7 @@ import (
 	"github.com/gogf/gf/container/gmap"
 	"github.com/gogf/gf/encoding/gparser"
 	"github.com/gogf/gf/errors/gerror"
+	"github.com/gogf/gf/internal/empty"
 	"github.com/gogf/gf/util/gconv"
 	"reflect"
 )
@@ -48,7 +49,10 @@ func (r Record) GMap() *gmap.StrAnyMap {
 func (r Record) Struct(pointer interface{}) error {
 	// If the record is empty, it returns error.
 	if r.IsEmpty() {
-		return sql.ErrNoRows
+		if !empty.IsNil(pointer, true) {
+			return sql.ErrNoRows
+		}
+		return nil
 	}
 	// Special handling for parameter type: reflect.Value
 	if _, ok := pointer.(reflect.Value); ok {
diff --git a/database/gdb/gdb_z_mysql_model_test.go b/database/gdb/gdb_z_mysql_model_test.go
index 697f78382..a462f3d4b 100644
--- a/database/gdb/gdb_z_mysql_model_test.go
+++ b/database/gdb/gdb_z_mysql_model_test.go
@@ -981,6 +981,18 @@ func Test_Model_Struct(t *testing.T) {
 		err := db.Table(table).Where("id=-1").Struct(user)
 		t.Assert(err, sql.ErrNoRows)
 	})
+	gtest.C(t, func(t *gtest.T) {
+		type User struct {
+			Id         int
+			Passport   string
+			Password   string
+			NickName   string
+			CreateTime *gtime.Time
+		}
+		var user *User
+		err := db.Table(table).Where("id=-1").Struct(&user)
+		t.Assert(err, nil)
+	})
 }
 
 func Test_Model_Struct_CustomType(t *testing.T) {
@@ -2135,6 +2147,27 @@ func Test_Model_Option_List(t *testing.T) {
 	})
 }
 
+func Test_Model_OmitEmpty(t *testing.T) {
+	gtest.C(t, func(t *gtest.T) {
+		table := fmt.Sprintf(`table_%s`, gtime.TimestampNanoStr())
+		if _, err := db.Exec(fmt.Sprintf(`
+    CREATE TABLE IF NOT EXISTS %s (
+        id int(10) unsigned NOT NULL AUTO_INCREMENT,
+        name varchar(45) NOT NULL,
+        PRIMARY KEY (id)
+    ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
+    `, table)); err != nil {
+			gtest.Error(err)
+		}
+		defer dropTable(table)
+		_, err := db.Table(table).OmitEmpty().Data(g.Map{
+			"id":   1,
+			"name": "",
+		}).Save()
+		t.AssertNE(err, nil)
+	})
+}
+
 func Test_Model_Option_Where(t *testing.T) {
 	gtest.C(t, func(t *gtest.T) {
 		table := createInitTable()
diff --git a/database/gdb/gdb_z_mysql_struct_test.go b/database/gdb/gdb_z_mysql_struct_test.go
index d11648aa3..baf5c8f7a 100644
--- a/database/gdb/gdb_z_mysql_struct_test.go
+++ b/database/gdb/gdb_z_mysql_struct_test.go
@@ -1,4 +1,4 @@
-// Copyright GoFrame Author(https://github.com/gogf/gf). All Rights Reserved.
+// 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,
@@ -7,6 +7,7 @@
 package gdb_test
 
 import (
+	"database/sql"
 	"github.com/gogf/gf/frame/g"
 	"github.com/gogf/gf/os/gtime"
 	"github.com/gogf/gf/test/gtest"
@@ -252,24 +253,25 @@ func Test_Struct_Empty(t *testing.T) {
 	}
 
 	gtest.C(t, func(t *gtest.T) {
-		one, err := db.Table(table).Where("id=100").One()
-		t.Assert(err, nil)
 		user := new(User)
-		t.AssertNE(one.Struct(user), nil)
+		err := db.Table(table).Where("id=100").Struct(user)
+		t.Assert(err, sql.ErrNoRows)
+		t.AssertNE(user, nil)
 	})
 
 	gtest.C(t, func(t *gtest.T) {
 		one, err := db.Table(table).Where("id=100").One()
 		t.Assert(err, nil)
 		var user *User
-		t.AssertNE(one.Struct(&user), nil)
+		t.Assert(one.Struct(&user), nil)
+		t.Assert(user, nil)
 	})
 
 	gtest.C(t, func(t *gtest.T) {
-		one, err := db.Table(table).Where("id=100").One()
-		t.Assert(err, nil)
 		var user *User
-		t.AssertNE(one.Struct(user), nil)
+		err := db.Table(table).Where("id=100").Struct(&user)
+		t.Assert(err, nil)
+		t.Assert(user, nil)
 	})
 }
 
diff --git a/database/gredis/gredis.go b/database/gredis/gredis.go
index a489c325f..a19b7e26e 100644
--- a/database/gredis/gredis.go
+++ b/database/gredis/gredis.go
@@ -1,4 +1,4 @@
-// Copyright 2017 gf Author(https://github.com/gogf/gf). All Rights Reserved.
+// 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,
@@ -36,17 +36,17 @@ type Conn struct {
 
 // Redis configuration.
 type Config struct {
-	Host            string
-	Port            int
-	Db              int
-	Pass            string        // Password for AUTH.
-	MaxIdle         int           // Maximum number of connections allowed to be idle (default is 10)
-	MaxActive       int           // Maximum number of connections limit (default is 0 means no limit).
-	IdleTimeout     time.Duration // Maximum idle time for connection (default is 10 seconds, not allowed to be set to 0)
-	MaxConnLifetime time.Duration // Maximum lifetime of the connection (default is 30 seconds, not allowed to be set to 0)
-	ConnectTimeout  time.Duration // Dial connection timeout.
-	TLS             bool          // Specifies the config to use when a TLS connection is dialed.
-	TLSSkipVerify   bool          // Disables server name verification when connecting over TLS
+	Host            string        `json:"host"`
+	Port            int           `json:"port"`
+	Db              int           `json:"db"`
+	Pass            string        `json:"pass"`            // Password for AUTH.
+	MaxIdle         int           `json:"maxIdle"`         // Maximum number of connections allowed to be idle (default is 10)
+	MaxActive       int           `json:"maxActive"`       // Maximum number of connections limit (default is 0 means no limit).
+	IdleTimeout     time.Duration `json:"idleTimeout"`     // Maximum idle time for connection (default is 10 seconds, not allowed to be set to 0)
+	MaxConnLifetime time.Duration `json:"maxConnLifetime"` // Maximum lifetime of the connection (default is 30 seconds, not allowed to be set to 0)
+	ConnectTimeout  time.Duration `json:"connectTimeout"`  // Dial connection timeout.
+	TLS             bool          `json:"tls"`             // Specifies the config to use when a TLS connection is dialed.
+	TLSSkipVerify   bool          `json:"tlsSkipVerify"`   // Disables server name verification when connecting over TLS
 }
 
 // Pool statistics.
diff --git a/database/gredis/gredis_z_example_test.go b/database/gredis/gredis_z_example_test.go
index 499d31b34..47cb81487 100644
--- a/database/gredis/gredis_z_example_test.go
+++ b/database/gredis/gredis_z_example_test.go
@@ -10,6 +10,7 @@ import (
 	"fmt"
 	"github.com/gogf/gf/container/gvar"
 	"github.com/gogf/gf/frame/g"
+	"github.com/gogf/gf/util/gutil"
 )
 
 func Example_autoMarshalUnmarshalMap() {
@@ -101,7 +102,7 @@ func Example_autoMarshalUnmarshalStructSlice() {
 	fmt.Println(users2)
 }
 
-func Example_hashSet() {
+func Example_hSet() {
 	var (
 		err    error
 		result *gvar.Var
@@ -124,3 +125,54 @@ func Example_hashSet() {
 	// May Output:
 	// map[id:10000 name:john]
 }
+
+func Example_hMSet_Map() {
+	var (
+		key  = "user_100"
+		data = g.Map{
+			"name":  "gf",
+			"sex":   0,
+			"score": 100,
+		}
+	)
+	_, err := g.Redis().Do("HMSET", append(g.Slice{key}, gutil.MapToSlice(data)...)...)
+	if err != nil {
+		g.Log().Fatal(err)
+	}
+	v, err := g.Redis().DoVar("HMGET", key, "name")
+	if err != nil {
+		g.Log().Fatal(err)
+	}
+	fmt.Println(v.Slice())
+
+	// May Output:
+	// [gf]
+}
+
+func Example_hMSet_Struct() {
+	type User struct {
+		Name  string `json:"name"`
+		Sex   int    `json:"sex"`
+		Score int    `json:"score"`
+	}
+	var (
+		key  = "user_100"
+		data = &User{
+			Name:  "gf",
+			Sex:   0,
+			Score: 100,
+		}
+	)
+	_, err := g.Redis().Do("HMSET", append(g.Slice{key}, gutil.StructToSlice(data)...)...)
+	if err != nil {
+		g.Log().Fatal(err)
+	}
+	v, err := g.Redis().DoVar("HMGET", key, "name")
+	if err != nil {
+		g.Log().Fatal(err)
+	}
+	fmt.Println(v.Slice())
+
+	// May Output:
+	// ["gf"]
+}
diff --git a/database/gredis/gredis_z_unit_test.go b/database/gredis/gredis_z_unit_test.go
index e13d1934c..dc50185b6 100644
--- a/database/gredis/gredis_z_unit_test.go
+++ b/database/gredis/gredis_z_unit_test.go
@@ -10,6 +10,7 @@ import (
 	"github.com/gogf/gf/container/gvar"
 	"github.com/gogf/gf/frame/g"
 	"github.com/gogf/gf/util/guid"
+	"github.com/gogf/gf/util/gutil"
 	"testing"
 	"time"
 
@@ -255,9 +256,11 @@ func Test_HSet(t *testing.T) {
 
 func Test_HGetAll1(t *testing.T) {
 	gtest.C(t, func(t *gtest.T) {
-		var err error
-		redis := gredis.New(config)
-		key := guid.S()
+		var (
+			err   error
+			key   = guid.S()
+			redis = gredis.New(config)
+		)
 		defer redis.Do("DEL", key)
 
 		_, err = redis.Do("HSET", key, "id", 100)
@@ -296,6 +299,54 @@ func Test_HGetAll2(t *testing.T) {
 	})
 }
 
+func Test_HMSet(t *testing.T) {
+	// map
+	gtest.C(t, func(t *gtest.T) {
+		var (
+			err   error
+			key   = guid.S()
+			redis = gredis.New(config)
+			data  = g.Map{
+				"name":  "gf",
+				"sex":   0,
+				"score": 100,
+			}
+		)
+		defer redis.Do("DEL", key)
+
+		_, err = redis.Do("HMSET", append(g.Slice{key}, gutil.MapToSlice(data)...)...)
+		t.Assert(err, nil)
+		v, err := redis.DoVar("HMGET", key, "name")
+		t.Assert(err, nil)
+		t.Assert(v.Slice(), g.Slice{data["name"]})
+	})
+	// struct
+	gtest.C(t, func(t *gtest.T) {
+		type User struct {
+			Name  string `json:"name"`
+			Sex   int    `json:"sex"`
+			Score int    `json:"score"`
+		}
+		var (
+			err   error
+			key   = guid.S()
+			redis = gredis.New(config)
+			data  = &User{
+				Name:  "gf",
+				Sex:   0,
+				Score: 100,
+			}
+		)
+		defer redis.Do("DEL", key)
+
+		_, err = redis.Do("HMSET", append(g.Slice{key}, gutil.StructToSlice(data)...)...)
+		t.Assert(err, nil)
+		v, err := redis.DoVar("HMGET", key, "name")
+		t.Assert(err, nil)
+		t.Assert(v.Slice(), g.Slice{data.Name})
+	})
+}
+
 func Test_Auto_Marshal(t *testing.T) {
 	var (
 		err   error
diff --git a/errors/gerror/gerror_error.go b/errors/gerror/gerror_error.go
index dfbd5183f..cfe301486 100644
--- a/errors/gerror/gerror_error.go
+++ b/errors/gerror/gerror_error.go
@@ -169,6 +169,12 @@ func (err *Error) Next() error {
 	return err.error
 }
 
+// MarshalJSON implements the interface MarshalJSON for json.Marshal.
+// Note that do not use pointer as its receiver here.
+func (err *Error) MarshalJSON() ([]byte, error) {
+	return []byte(`"` + err.Error() + `"`), nil
+}
+
 // formatSubStack formats the stack for error.
 func formatSubStack(st stack, buffer *bytes.Buffer) {
 	index := 1
diff --git a/errors/gerror/gerror_z_unit_test.go b/errors/gerror/gerror_z_unit_test.go
index 254f5c159..e60243aa7 100644
--- a/errors/gerror/gerror_z_unit_test.go
+++ b/errors/gerror/gerror_z_unit_test.go
@@ -9,6 +9,7 @@ package gerror_test
 import (
 	"errors"
 	"fmt"
+	"github.com/gogf/gf/internal/json"
 	"testing"
 
 	"github.com/gogf/gf/errors/gerror"
@@ -308,3 +309,12 @@ func Test_Code(t *testing.T) {
 		t.Assert(err.Error(), "3: 2: 1")
 	})
 }
+
+func Test_Json(t *testing.T) {
+	gtest.C(t, func(t *gtest.T) {
+		err := gerror.Wrap(gerror.New("1"), "2")
+		b, e := json.Marshal(err)
+		t.Assert(e, nil)
+		t.Assert(string(b), `"2: 1"`)
+	})
+}
diff --git a/frame/g/g_func.go b/frame/g/g_func.go
index d99a77ff3..7b1afc730 100644
--- a/frame/g/g_func.go
+++ b/frame/g/g_func.go
@@ -52,9 +52,12 @@ func TryCatch(try func(), catch ...func(exception error)) {
 }
 
 // IsNil checks whether given <value> is nil.
+// Parameter <traceSource> is used for tracing to the source variable if given <value> is type
+// of a pinter that also points to a pointer. It returns nil if the source is nil when <traceSource>
+// is true.
 // Note that it might use reflect feature which affects performance a little bit.
-func IsNil(value interface{}) bool {
-	return empty.IsNil(value)
+func IsNil(value interface{}, traceSource ...bool) bool {
+	return empty.IsNil(value, traceSource...)
 }
 
 // IsEmpty checks whether given <value> empty.
diff --git a/internal/empty/empty.go b/internal/empty/empty.go
index ae0beb57a..2e59ea5a0 100644
--- a/internal/empty/empty.go
+++ b/internal/empty/empty.go
@@ -1,10 +1,10 @@
-// Copyright 2019 gf Author(https://github.com/gogf/gf). All Rights Reserved.
+// Copyright GoFrame gf 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 empty provides functions for checking empty variables.
+// Package empty provides functions for checking empty/nil variables.
 package empty
 
 import (
@@ -152,8 +152,11 @@ func IsEmpty(value interface{}) bool {
 }
 
 // IsNil checks whether given <value> is nil.
+// Parameter <traceSource> is used for tracing to the source variable if given <value> is type
+// of a pinter that also points to a pointer. It returns nil if the source is nil when <traceSource>
+// is true.
 // Note that it might use reflect feature which affects performance a little bit.
-func IsNil(value interface{}) bool {
+func IsNil(value interface{}, traceSource ...bool) bool {
 	if value == nil {
 		return true
 	}
@@ -168,10 +171,24 @@ func IsNil(value interface{}) bool {
 		reflect.Map,
 		reflect.Slice,
 		reflect.Func,
-		reflect.Ptr,
 		reflect.Interface,
 		reflect.UnsafePointer:
-		return rv.IsNil()
+		return !rv.IsValid() || rv.IsNil()
+
+	case reflect.Ptr:
+		if len(traceSource) > 0 && traceSource[0] {
+			for rv.Kind() == reflect.Ptr {
+				rv = rv.Elem()
+			}
+			if !rv.IsValid() {
+				return true
+			}
+			if rv.Kind() == reflect.Ptr {
+				return rv.IsNil()
+			}
+		} else {
+			return !rv.IsValid() || rv.IsNil()
+		}
 	}
 	return false
 }
diff --git a/internal/empty/empty_test.go b/internal/empty/empty_test.go
index 520aa64ee..2a4e6ecbd 100644
--- a/internal/empty/empty_test.go
+++ b/internal/empty/empty_test.go
@@ -1,4 +1,4 @@
-// Copyright 2019 gf Author(https://github.com/gogf/gf). All Rights Reserved.
+// 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,
@@ -108,3 +108,22 @@ func TestIsEmpty(t *testing.T) {
 		t.Assert(empty.IsEmpty(tmpF6), false)
 	})
 }
+
+func TestIsNil(t *testing.T) {
+	gtest.C(t, func(t *gtest.T) {
+		t.Assert(empty.IsNil(nil), true)
+	})
+	gtest.C(t, func(t *gtest.T) {
+		var i int
+		t.Assert(empty.IsNil(i), false)
+	})
+	gtest.C(t, func(t *gtest.T) {
+		var i *int
+		t.Assert(empty.IsNil(i), true)
+	})
+	gtest.C(t, func(t *gtest.T) {
+		var i *int
+		t.Assert(empty.IsNil(&i), false)
+		t.Assert(empty.IsNil(&i, true), true)
+	})
+}
diff --git a/net/ghttp/ghttp_server.go b/net/ghttp/ghttp_server.go
index 770f07d19..0fa1e3445 100644
--- a/net/ghttp/ghttp_server.go
+++ b/net/ghttp/ghttp_server.go
@@ -350,7 +350,7 @@ func (s *Server) startServer(fdMap listenerFdMap) {
 				s.config.HTTPSAddr = s.config.Address
 				s.config.Address = ""
 			} else {
-				s.config.HTTPSAddr = gDEFAULT_HTTPS_ADDR
+				s.config.HTTPSAddr = defaultHttpsAddr
 			}
 		}
 		httpsEnabled = len(s.config.HTTPSAddr) > 0
@@ -385,7 +385,7 @@ func (s *Server) startServer(fdMap listenerFdMap) {
 	}
 	// HTTP
 	if !httpsEnabled && len(s.config.Address) == 0 {
-		s.config.Address = gDEFAULT_HTTP_ADDR
+		s.config.Address = defaultHttpAddr
 	}
 	var array []string
 	if v, ok := fdMap["http"]; ok && len(v) > 0 {
diff --git a/net/ghttp/ghttp_server_admin_process.go b/net/ghttp/ghttp_server_admin_process.go
index 18299e8b6..577a0168d 100644
--- a/net/ghttp/ghttp_server_admin_process.go
+++ b/net/ghttp/ghttp_server_admin_process.go
@@ -1,4 +1,4 @@
-// Copyright GoFrame Author(https://github.com/gogf/gf). All Rights Reserved.
+// 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,
@@ -233,8 +233,13 @@ func shutdownWebServers(signal ...string) {
 	}
 }
 
-// gracefulShutdownWebServers gracefully shuts down all servers.
-func gracefulShutdownWebServers() {
+// shutdownWebServersGracefully gracefully shuts down all servers.
+func shutdownWebServersGracefully(signal ...string) {
+	if len(signal) > 0 {
+		glog.Printf("%d: server gracefully shutting down by signal: %s", gproc.Pid(), signal[0])
+	} else {
+		glog.Printf("%d: server gracefully shutting down by api", gproc.Pid())
+	}
 	serverMapping.RLockFunc(func(m map[string]interface{}) {
 		for _, v := range m {
 			for _, s := range v.(*Server).servers {
@@ -262,7 +267,7 @@ func handleProcessMessage() {
 		if msg := gproc.Receive(adminGProcCommGroup); msg != nil {
 			if bytes.EqualFold(msg.Data, []byte("exit")) {
 				intlog.Printf("%d: process message: exit", gproc.Pid())
-				gracefulShutdownWebServers()
+				shutdownWebServersGracefully()
 				allDoneChan <- struct{}{}
 				intlog.Printf("%d: process message: exit done", gproc.Pid())
 				return
diff --git a/net/ghttp/ghttp_server_admin_unix.go b/net/ghttp/ghttp_server_admin_unix.go
index 19fff62af..de96d89e5 100644
--- a/net/ghttp/ghttp_server_admin_unix.go
+++ b/net/ghttp/ghttp_server_admin_unix.go
@@ -1,4 +1,4 @@
-// Copyright 2017 gf Author(https://github.com/gogf/gf). All Rights Reserved.
+// Copyright 2017 gf 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,
@@ -35,14 +35,22 @@ func handleProcessSignal() {
 		sig = <-procSignalChan
 		intlog.Printf(`signal received: %s`, sig.String())
 		switch sig {
-		// Stop the servers.
-		case syscall.SIGINT, syscall.SIGQUIT, syscall.SIGKILL, syscall.SIGTERM, syscall.SIGABRT:
+		// Shutdown the servers.
+		case syscall.SIGINT, syscall.SIGQUIT, syscall.SIGKILL, syscall.SIGABRT:
 			shutdownWebServers(sig.String())
 			return
 
+		// Shutdown the servers gracefully.
+		// Especially from K8S when running server in POD.
+		case syscall.SIGTERM:
+			shutdownWebServersGracefully(sig.String())
+			return
+
 		// Restart the servers.
 		case syscall.SIGUSR1:
-			restartWebServers(sig.String())
+			if err := restartWebServers(sig.String()); err != nil {
+				intlog.Error(err)
+			}
 			return
 
 		default:
diff --git a/net/ghttp/ghttp_server_config.go b/net/ghttp/ghttp_server_config.go
index 9a8a7aa9b..760b17b43 100644
--- a/net/ghttp/ghttp_server_config.go
+++ b/net/ghttp/ghttp_server_config.go
@@ -27,12 +27,12 @@ import (
 )
 
 const (
-	gDEFAULT_HTTP_ADDR  = ":80"  // Default listening port for HTTP.
-	gDEFAULT_HTTPS_ADDR = ":443" // Default listening port for HTTPS.
-	URI_TYPE_DEFAULT    = 0      // Method name to URI converting type, which converts name to its lower case and joins the words using char '-'.
-	URI_TYPE_FULLNAME   = 1      // Method name to URI converting type, which does no converting to the method name.
-	URI_TYPE_ALLLOWER   = 2      // Method name to URI converting type, which converts name to its lower case.
-	URI_TYPE_CAMEL      = 3      // Method name to URI converting type, which converts name to its camel case.
+	defaultHttpAddr   = ":80"  // Default listening port for HTTP.
+	defaultHttpsAddr  = ":443" // Default listening port for HTTPS.
+	URI_TYPE_DEFAULT  = 0      // Method name to URI converting type, which converts name to its lower case and joins the words using char '-'.
+	URI_TYPE_FULLNAME = 1      // Method name to URI converting type, which does no converting to the method name.
+	URI_TYPE_ALLLOWER = 2      // Method name to URI converting type, which converts name to its lower case.
+	URI_TYPE_CAMEL    = 3      // Method name to URI converting type, which converts name to its camel case.
 )
 
 // ServerConfig is the HTTP Server configuration manager.
@@ -43,16 +43,16 @@ type ServerConfig struct {
 
 	// Address specifies the server listening address like "port" or ":port",
 	// multiple addresses joined using ','.
-	Address string
+	Address string `json:"address"`
 
 	// HTTPSAddr specifies the HTTPS addresses, multiple addresses joined using char ','.
-	HTTPSAddr string
+	HTTPSAddr string `json:"httpsAddr"`
 
 	// HTTPSCertPath specifies certification file path for HTTPS service.
-	HTTPSCertPath string
+	HTTPSCertPath string `json:"httpsCertPath"`
 
 	// HTTPSKeyPath specifies the key file path for HTTPS service.
-	HTTPSKeyPath string
+	HTTPSKeyPath string `json:"httpsKeyPath"`
 
 	// TLSConfig optionally provides a TLS configuration for use
 	// by ServeTLS and ListenAndServeTLS. Note that this value is
@@ -61,10 +61,10 @@ type ServerConfig struct {
 	// tls.Config.SetSessionTicketKeys. To use
 	// SetSessionTicketKeys, use Server.Serve with a TLS Listener
 	// instead.
-	TLSConfig *tls.Config
+	TLSConfig *tls.Config `json:"tlsConfig"`
 
 	// Handler the handler for HTTP request.
-	Handler http.Handler
+	Handler http.Handler `json:"-"`
 
 	// ReadTimeout is the maximum duration for reading the entire
 	// request, including the body.
@@ -73,19 +73,19 @@ type ServerConfig struct {
 	// decisions on each request body's acceptable deadline or
 	// upload rate, most users will prefer to use
 	// ReadHeaderTimeout. It is valid to use them both.
-	ReadTimeout time.Duration
+	ReadTimeout time.Duration `json:"readTimeout"`
 
 	// WriteTimeout is the maximum duration before timing out
 	// writes of the response. It is reset whenever a new
 	// request's header is read. Like ReadTimeout, it does not
 	// let Handlers make decisions on a per-request basis.
-	WriteTimeout time.Duration
+	WriteTimeout time.Duration `json:"writeTimeout"`
 
 	// IdleTimeout is the maximum amount of time to wait for the
 	// next request when keep-alives are enabled. If IdleTimeout
 	// is zero, the value of ReadTimeout is used. If both are
 	// zero, there is no timeout.
-	IdleTimeout time.Duration
+	IdleTimeout time.Duration `json:"idleTimeout"`
 
 	// MaxHeaderBytes controls the maximum number of bytes the
 	// server will read parsing the request header's keys and
@@ -94,98 +94,102 @@ type ServerConfig struct {
 	//
 	// It can be configured in configuration file using string like: 1m, 10m, 500kb etc.
 	// It's 10240 bytes in default.
-	MaxHeaderBytes int
+	MaxHeaderBytes int `json:"maxHeaderBytes"`
 
 	// KeepAlive enables HTTP keep-alive.
-	KeepAlive bool
+	KeepAlive bool `json:"keepAlive"`
 
 	// ServerAgent specifies the server agent information, which is wrote to
 	// HTTP response header as "Server".
-	ServerAgent string
+	ServerAgent string `json:"serverAgent"`
 
 	// View specifies the default template view object for the server.
-	View *gview.View
+	View *gview.View `json:"view"`
 
 	// ==================================
 	// Static.
 	// ==================================
 
 	// Rewrites specifies the URI rewrite rules map.
-	Rewrites map[string]string
+	Rewrites map[string]string `json:"rewrites"`
 
 	// IndexFiles specifies the index files for static folder.
-	IndexFiles []string
+	IndexFiles []string `json:"indexFiles"`
 
 	// IndexFolder specifies if listing sub-files when requesting folder.
 	// The server responses HTTP status code 403 if it is false.
-	IndexFolder bool
+	IndexFolder bool `json:"indexFolder"`
 
 	// ServerRoot specifies the root directory for static service.
-	ServerRoot string
+	ServerRoot string `json:"serverRoot"`
 
 	// SearchPaths specifies additional searching directories for static service.
-	SearchPaths []string
+	SearchPaths []string `json:"searchPaths"`
 
 	// StaticPaths specifies URI to directory mapping array.
-	StaticPaths []staticPathItem
+	StaticPaths []staticPathItem `json:"staticPaths"`
 
 	// FileServerEnabled is the global switch for static service.
 	// It is automatically set enabled if any static path is set.
-	FileServerEnabled bool
+	FileServerEnabled bool `json:"fileServerEnabled"`
 
 	// ==================================
 	// Cookie.
 	// ==================================
 
 	// CookieMaxAge specifies the max TTL for cookie items.
-	CookieMaxAge time.Duration
+	CookieMaxAge time.Duration `json:"cookieMaxAge"`
 
 	// CookiePath specifies cookie path.
 	// It also affects the default storage for session id.
-	CookiePath string
+	CookiePath string `json:"cookiePath"`
 
 	// CookieDomain specifies cookie domain.
 	// It also affects the default storage for session id.
-	CookieDomain string
+	CookieDomain string `json:"cookieDomain"`
 
 	// ==================================
 	// Session.
 	// ==================================
 
-	// SessionMaxAge specifies max TTL for session items.
-	SessionMaxAge time.Duration
-
 	// SessionIdName specifies the session id name.
-	SessionIdName string
+	SessionIdName string `json:"sessionIdName"`
 
-	// SessionCookieOutput specifies whether automatic outputting session id to cookie.
-	SessionCookieOutput bool
+	// SessionMaxAge specifies max TTL for session items.
+	SessionMaxAge time.Duration `json:"sessionMaxAge"`
 
 	// SessionPath specifies the session storage directory path for storing session files.
 	// It only makes sense if the session storage is type of file storage.
-	SessionPath string
+	SessionPath string `json:"sessionPath"`
 
 	// SessionStorage specifies the session storage.
-	SessionStorage gsession.Storage
+	SessionStorage gsession.Storage `json:"sessionStorage"`
+
+	// SessionCookieMaxAge specifies the cookie ttl for session id.
+	// It it is set 0, it means it expires along with browser session.
+	SessionCookieMaxAge time.Duration `json:"sessionCookieMaxAge"`
+
+	// SessionCookieOutput specifies whether automatic outputting session id to cookie.
+	SessionCookieOutput bool `json:"sessionCookieOutput"`
 
 	// ==================================
 	// Logging.
 	// ==================================
-	Logger           *glog.Logger // Logger specifies the logger for server.
-	LogPath          string       // LogPath specifies the directory for storing logging files.
-	LogLevel         string       // LogLevel specifies the logging level for logger.
-	LogStdout        bool         // LogStdout specifies whether printing logging content to stdout.
-	ErrorStack       bool         // ErrorStack specifies whether logging stack information when error.
-	ErrorLogEnabled  bool         // ErrorLogEnabled enables error logging content to files.
-	ErrorLogPattern  string       // ErrorLogPattern specifies the error log file pattern like: error-{Ymd}.log
-	AccessLogEnabled bool         // AccessLogEnabled enables access logging content to files.
-	AccessLogPattern string       // AccessLogPattern specifies the error log file pattern like: access-{Ymd}.log
+	Logger           *glog.Logger `json:"logger"`           // Logger specifies the logger for server.
+	LogPath          string       `json:"logPath"`          // LogPath specifies the directory for storing logging files.
+	LogLevel         string       `json:"logLevel"`         // LogLevel specifies the logging level for logger.
+	LogStdout        bool         `json:"logStdout"`        // LogStdout specifies whether printing logging content to stdout.
+	ErrorStack       bool         `json:"errorStack"`       // ErrorStack specifies whether logging stack information when error.
+	ErrorLogEnabled  bool         `json:"errorLogEnabled"`  // ErrorLogEnabled enables error logging content to files.
+	ErrorLogPattern  string       `json:"errorLogPattern"`  // ErrorLogPattern specifies the error log file pattern like: error-{Ymd}.log
+	AccessLogEnabled bool         `json:"accessLogEnabled"` // AccessLogEnabled enables access logging content to files.
+	AccessLogPattern string       `json:"accessLogPattern"` // AccessLogPattern specifies the error log file pattern like: access-{Ymd}.log
 
 	// ==================================
 	// PProf.
 	// ==================================
-	PProfEnabled bool   // PProfEnabled enables PProf feature.
-	PProfPattern string // PProfPattern specifies the PProf service pattern for router.
+	PProfEnabled bool   `json:"pprofEnabled"` // PProfEnabled enables PProf feature.
+	PProfPattern string `json:"pprofPattern"` // PProfPattern specifies the PProf service pattern for router.
 
 	// ==================================
 	// Other.
@@ -194,26 +198,26 @@ type ServerConfig struct {
 	// ClientMaxBodySize specifies the max body size limit in bytes for client request.
 	// It can be configured in configuration file using string like: 1m, 10m, 500kb etc.
 	// It's 8MB in default.
-	ClientMaxBodySize int64
+	ClientMaxBodySize int64 `json:"clientMaxBodySize"`
 
 	// FormParsingMemory specifies max memory buffer size in bytes which can be used for
 	// parsing multimedia form.
 	// It can be configured in configuration file using string like: 1m, 10m, 500kb etc.
 	// It's 1MB in default.
-	FormParsingMemory int64
+	FormParsingMemory int64 `json:"formParsingMemory"`
 
 	// NameToUriType specifies the type for converting struct method name to URI when
 	// registering routes.
-	NameToUriType int
+	NameToUriType int `json:"nameToUriType"`
 
 	// RouteOverWrite allows overwrite the route if duplicated.
-	RouteOverWrite bool
+	RouteOverWrite bool `json:"routeOverWrite"`
 
 	// DumpRouterMap specifies whether automatically dumps router map when server starts.
-	DumpRouterMap bool
+	DumpRouterMap bool `json:"dumpRouterMap"`
 
 	// Graceful enables graceful reload feature for all servers of the process.
-	Graceful bool
+	Graceful bool `json:"graceful"`
 }
 
 // Deprecated. Use NewConfig instead.
@@ -243,10 +247,11 @@ func NewConfig() ServerConfig {
 		CookieMaxAge:        time.Hour * 24 * 365,
 		CookiePath:          "/",
 		CookieDomain:        "",
-		SessionMaxAge:       time.Hour * 24,
 		SessionIdName:       "gfsessionid",
 		SessionPath:         gsession.DefaultStorageFilePath,
+		SessionMaxAge:       time.Hour * 24,
 		SessionCookieOutput: true,
+		SessionCookieMaxAge: time.Hour * 24,
 		Logger:              glog.New(),
 		LogLevel:            "all",
 		LogStdout:           true,
diff --git a/net/ghttp/ghttp_server_config_session.go b/net/ghttp/ghttp_server_config_session.go
index e9f712629..205eae613 100644
--- a/net/ghttp/ghttp_server_config_session.go
+++ b/net/ghttp/ghttp_server_config_session.go
@@ -1,4 +1,4 @@
-// Copyright 2017 gf Author(https://github.com/gogf/gf). All Rights Reserved.
+// 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,
@@ -32,6 +32,11 @@ func (s *Server) SetSessionCookieOutput(enabled bool) {
 	s.config.SessionCookieOutput = enabled
 }
 
+// SetSessionCookieMaxAge sets the SessionCookieMaxAge for server.
+func (s *Server) SetSessionCookieMaxAge(maxAge time.Duration) {
+	s.config.SessionCookieMaxAge = maxAge
+}
+
 // GetSessionMaxAge returns the SessionMaxAge of server.
 func (s *Server) GetSessionMaxAge() time.Duration {
 	return s.config.SessionMaxAge
@@ -41,3 +46,8 @@ func (s *Server) GetSessionMaxAge() time.Duration {
 func (s *Server) GetSessionIdName() string {
 	return s.config.SessionIdName
 }
+
+// GetSessionCookieMaxAge returns the SessionCookieMaxAge of server.
+func (s *Server) GetSessionCookieMaxAge() time.Duration {
+	return s.config.SessionCookieMaxAge
+}
diff --git a/net/ghttp/ghttp_server_config_static.go b/net/ghttp/ghttp_server_config_static.go
index f4c5164e0..c71d6faf2 100644
--- a/net/ghttp/ghttp_server_config_static.go
+++ b/net/ghttp/ghttp_server_config_static.go
@@ -1,10 +1,10 @@
-// Copyright 2017 gf Author(https://github.com/gogf/gf). All Rights Reserved.
+// 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.
 
-// 静态文件搜索优先级: Resource > ServerPaths > ServerRoot > SearchPath
+// Static Searching Priority: Resource > ServerPaths > ServerRoot > SearchPath
 
 package ghttp
 
diff --git a/net/ghttp/ghttp_server_cookie.go b/net/ghttp/ghttp_server_cookie.go
index af7f7473c..47fbfb918 100644
--- a/net/ghttp/ghttp_server_cookie.go
+++ b/net/ghttp/ghttp_server_cookie.go
@@ -1,4 +1,4 @@
-// Copyright 2017 gf Author(https://github.com/gogf/gf). All Rights Reserved.
+// 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,
@@ -14,9 +14,6 @@ import (
 // Cookie for HTTP COOKIE management.
 type Cookie struct {
 	data     map[string]*cookieItem // Underlying cookie items.
-	path     string                 // The default cookie path.
-	domain   string                 // The default cookie domain
-	maxAge   time.Duration          // The default cookie max age.
 	server   *Server                // Belonged HTTP server
 	request  *Request               // Belonged HTTP request.
 	response *Response              // Belonged HTTP response.
@@ -47,13 +44,10 @@ func (c *Cookie) init() {
 		return
 	}
 	c.data = make(map[string]*cookieItem)
-	c.path = c.request.Server.GetCookiePath()
-	c.domain = c.request.Server.GetCookieDomain()
-	c.maxAge = c.request.Server.GetCookieMaxAge()
 	c.response = c.request.Response
 	// DO NOT ADD ANY DEFAULT COOKIE DOMAIN!
-	//if c.domain == "" {
-	//	c.domain = c.request.GetHost()
+	//if c.request.Server.GetCookieDomain() == "" {
+	//	c.request.Server.GetCookieDomain() = c.request.GetHost()
 	//}
 	for _, v := range c.request.Cookies() {
 		c.data[v.Name] = &cookieItem{
@@ -86,7 +80,13 @@ func (c *Cookie) Contains(key string) bool {
 
 // Set sets cookie item with default domain, path and expiration age.
 func (c *Cookie) Set(key, value string) {
-	c.SetCookie(key, value, c.domain, c.path, c.maxAge)
+	c.SetCookie(
+		key,
+		value,
+		c.request.Server.GetCookieDomain(),
+		c.request.Server.GetCookiePath(),
+		c.request.Server.GetCookieMaxAge(),
+	)
 }
 
 // SetCookie sets cookie item given given domain, path and expiration age.
@@ -128,7 +128,13 @@ func (c *Cookie) GetSessionId() string {
 
 // SetSessionId sets session id in the cookie.
 func (c *Cookie) SetSessionId(id string) {
-	c.Set(c.server.GetSessionIdName(), id)
+	c.SetCookie(
+		c.server.GetSessionIdName(),
+		id,
+		c.request.Server.GetCookieDomain(),
+		c.request.Server.GetCookiePath(),
+		c.server.GetSessionCookieMaxAge(),
+	)
 }
 
 // Get retrieves and returns the value with specified key.
@@ -149,7 +155,13 @@ func (c *Cookie) Get(key string, def ...string) string {
 // Remove deletes specified key and its value from cookie using default domain and path.
 // It actually tells the http client that the cookie is expired, do not send it to server next time.
 func (c *Cookie) Remove(key string) {
-	c.SetCookie(key, "", c.domain, c.path, -86400)
+	c.SetCookie(
+		key,
+		"",
+		c.request.Server.GetCookieDomain(),
+		c.request.Server.GetCookiePath(),
+		-86400,
+	)
 }
 
 // RemoveCookie deletes specified key and its value from cookie using given domain and path.
diff --git a/net/ghttp/ghttp_server_pprof.go b/net/ghttp/ghttp_server_pprof.go
index 27179030b..2cde7ab6e 100644
--- a/net/ghttp/ghttp_server_pprof.go
+++ b/net/ghttp/ghttp_server_pprof.go
@@ -18,7 +18,7 @@ import (
 type utilPProf struct{}
 
 const (
-	gDEFAULT_PPROF_PATTERN = "/debug/pprof"
+	defaultPProfPattern = "/debug/pprof"
 )
 
 // EnablePProf enables PProf feature for server.
@@ -28,7 +28,7 @@ func (s *Server) EnablePProf(pattern ...string) {
 
 // EnablePProf enables PProf feature for server of specified domain.
 func (d *Domain) EnablePProf(pattern ...string) {
-	p := gDEFAULT_PPROF_PATTERN
+	p := defaultPProfPattern
 	if len(pattern) > 0 && pattern[0] != "" {
 		p = pattern[0]
 	}
diff --git a/os/gcfg/gcfg.go b/os/gcfg/gcfg.go
index fd89a38cf..34f9c2859 100644
--- a/os/gcfg/gcfg.go
+++ b/os/gcfg/gcfg.go
@@ -283,6 +283,10 @@ func (c *Config) FilePath(file ...string) (path string) {
 			}
 		})
 	}
+	// Already found?
+	if path != "" {
+		return
+	}
 	// Searching the file system.
 	c.paths.RLockFunc(func(array []string) {
 		for _, prefix := range array {
diff --git a/os/glog/glog_logger_config.go b/os/glog/glog_logger_config.go
index b51b75986..dd619d20e 100644
--- a/os/glog/glog_logger_config.go
+++ b/os/glog/glog_logger_config.go
@@ -1,4 +1,4 @@
-// Copyright 2017 gf Author(https://github.com/gogf/gf). All Rights Reserved.
+// 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,
@@ -21,25 +21,25 @@ import (
 
 // Config is the configuration object for logger.
 type Config struct {
-	Writer               io.Writer      // Customized io.Writer.
-	Flags                int            // Extra flags for logging output features.
-	Path                 string         // Logging directory path.
-	File                 string         // Format for logging file.
-	Level                int            // Output level.
-	Prefix               string         // Prefix string for every logging content.
-	StSkip               int            // Skip count for stack.
-	StStatus             int            // Stack status(1: enabled - default; 0: disabled)
-	StFilter             string         // Stack string filter.
-	CtxKeys              []interface{}  // Context keys for logging, which is used for value retrieving from context.
-	HeaderPrint          bool           `c:"header"` // Print header or not(true in default).
-	StdoutPrint          bool           `c:"stdout"` // Output to stdout or not(true in default).
-	LevelPrefixes        map[int]string // Logging level to its prefix string mapping.
-	RotateSize           int64          // Rotate the logging file if its size > 0 in bytes.
-	RotateExpire         time.Duration  // Rotate the logging file if its mtime exceeds this duration.
-	RotateBackupLimit    int            // Max backup for rotated files, default is 0, means no backups.
-	RotateBackupExpire   time.Duration  // Max expire for rotated files, which is 0 in default, means no expiration.
-	RotateBackupCompress int            // Compress level for rotated files using gzip algorithm. It's 0 in default, means no compression.
-	RotateCheckInterval  time.Duration  // Asynchronizely checks the backups and expiration at intervals. It's 1 hour in default.
+	Writer               io.Writer      `json:"-"`                    // Customized io.Writer.
+	Flags                int            `json:"flags"`                // Extra flags for logging output features.
+	Path                 string         `json:"path"`                 // Logging directory path.
+	File                 string         `json:"file"`                 // Format for logging file.
+	Level                int            `json:"level"`                // Output level.
+	Prefix               string         `json:"prefix"`               // Prefix string for every logging content.
+	StSkip               int            `json:"stSkip"`               // Skip count for stack.
+	StStatus             int            `json:"stStatus"`             // Stack status(1: enabled - default; 0: disabled)
+	StFilter             string         `json:"stFilter"`             // Stack string filter.
+	CtxKeys              []interface{}  `json:"ctxKeys"`              // Context keys for logging, which is used for value retrieving from context.
+	HeaderPrint          bool           `json:"header"`               // Print header or not(true in default).
+	StdoutPrint          bool           `json:"stdout"`               // Output to stdout or not(true in default).
+	LevelPrefixes        map[int]string `json:"levelPrefixes"`        // Logging level to its prefix string mapping.
+	RotateSize           int64          `json:"rotateSize"`           // Rotate the logging file if its size > 0 in bytes.
+	RotateExpire         time.Duration  `json:"rotateExpire"`         // Rotate the logging file if its mtime exceeds this duration.
+	RotateBackupLimit    int            `json:"rotateBackupLimit"`    // Max backup for rotated files, default is 0, means no backups.
+	RotateBackupExpire   time.Duration  `json:"rotateBackupExpire"`   // Max expire for rotated files, which is 0 in default, means no expiration.
+	RotateBackupCompress int            `json:"rotateBackupCompress"` // Compress level for rotated files using gzip algorithm. It's 0 in default, means no compression.
+	RotateCheckInterval  time.Duration  `json:"rotateCheckInterval"`  // Asynchronizely checks the backups and expiration at intervals. It's 1 hour in default.
 }
 
 // DefaultConfig returns the default configuration for logger.
diff --git a/os/gres/gres_func.go b/os/gres/gres_func.go
index 52d449ab8..4995fbc29 100644
--- a/os/gres/gres_func.go
+++ b/os/gres/gres_func.go
@@ -1,4 +1,4 @@
-// Copyright 2019 gf Author(https://github.com/gogf/gf). All Rights Reserved.
+// 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,
@@ -20,7 +20,7 @@ import (
 )
 
 const (
-	gPACKAGE_TEMPLATE = `
+	packedGoSouceTemplate = `
 package %s
 
 import "github.com/gogf/gf/os/gres"
@@ -39,8 +39,10 @@ func init() {
 //
 // Note that parameter <srcPaths> supports multiple paths join with ','.
 func Pack(srcPaths string, keyPrefix ...string) ([]byte, error) {
-	buffer := bytes.NewBuffer(nil)
-	headerPrefix := ""
+	var (
+		buffer       = bytes.NewBuffer(nil)
+		headerPrefix = ""
+	)
 	if len(keyPrefix) > 0 && keyPrefix[0] != "" {
 		headerPrefix = keyPrefix[0]
 	}
@@ -79,7 +81,7 @@ func PackToGoFile(srcPath, goFilePath, pkgName string, keyPrefix ...string) erro
 	}
 	return gfile.PutContents(
 		goFilePath,
-		fmt.Sprintf(gstr.TrimLeft(gPACKAGE_TEMPLATE), pkgName, gbase64.EncodeToString(data)),
+		fmt.Sprintf(gstr.TrimLeft(packedGoSouceTemplate), pkgName, gbase64.EncodeToString(data)),
 	)
 }
 
diff --git a/os/gres/gres_func_zip.go b/os/gres/gres_func_zip.go
index 22af99258..bc6e0ac50 100644
--- a/os/gres/gres_func_zip.go
+++ b/os/gres/gres_func_zip.go
@@ -1,4 +1,4 @@
-// Copyright 2020 gf Author(https://github.com/gogf/gf). All Rights Reserved.
+// 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,
@@ -11,6 +11,7 @@ import (
 	"github.com/gogf/gf/internal/fileinfo"
 	"github.com/gogf/gf/internal/intlog"
 	"github.com/gogf/gf/os/gfile"
+	"github.com/gogf/gf/text/gregex"
 	"io"
 	"os"
 	"strings"
@@ -72,7 +73,7 @@ func doZipPathWriter(path string, exclude string, zipWriter *zip.Writer, prefix
 			intlog.Printf(`exclude file path: %s`, file)
 			continue
 		}
-		err := zipFile(file, headerPrefix+gfile.Dir(file[len(path):]), zipWriter)
+		err = zipFile(file, headerPrefix+gfile.Dir(file[len(path):]), zipWriter)
 		if err != nil {
 			return err
 		}
@@ -83,7 +84,7 @@ func doZipPathWriter(path string, exclude string, zipWriter *zip.Writer, prefix
 		path = headerPrefix
 		for {
 			name = gfile.Basename(path)
-			err := zipFileVirtual(
+			err = zipFileVirtual(
 				fileinfo.New(name, 0, os.ModeDir|os.ModePerm, time.Now()), path, zipWriter,
 			)
 			if err != nil {
@@ -136,7 +137,7 @@ func zipFileVirtual(info os.FileInfo, path string, zw *zip.Writer) error {
 		return err
 	}
 	header.Name = path
-	if _, err := zw.CreateHeader(header); err != nil {
+	if _, err = zw.CreateHeader(header); err != nil {
 		return err
 	}
 	return nil
@@ -148,9 +149,9 @@ func createFileHeader(info os.FileInfo, prefix string) (*zip.FileHeader, error)
 		return nil, err
 	}
 	if len(prefix) > 0 {
-		prefix = strings.Replace(prefix, `\`, `/`, -1)
-		prefix = strings.TrimRight(prefix, `/`)
 		header.Name = prefix + `/` + header.Name
+		header.Name = strings.Replace(header.Name, `\`, `/`, -1)
+		header.Name, _ = gregex.ReplaceString(`/{2,}`, `/`, header.Name)
 	}
 	return header, nil
 }
diff --git a/os/gres/gres_resource.go b/os/gres/gres_resource.go
index ce410108f..2ed7b2e46 100644
--- a/os/gres/gres_resource.go
+++ b/os/gres/gres_resource.go
@@ -1,4 +1,4 @@
-// Copyright 2019 gf Author(https://github.com/gogf/gf). All Rights Reserved.
+// 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,
@@ -74,6 +74,7 @@ func (r *Resource) Get(path string) *File {
 		return nil
 	}
 	path = strings.Replace(path, "\\", "/", -1)
+	path = strings.Replace(path, "//", "/", -1)
 	if path != "/" {
 		for path[len(path)-1] == '/' {
 			path = path[:len(path)-1]
@@ -93,6 +94,7 @@ func (r *Resource) Get(path string) *File {
 func (r *Resource) GetWithIndex(path string, indexFiles []string) *File {
 	// Necessary for double char '/' replacement in prefix.
 	path = strings.Replace(path, "\\", "/", -1)
+	path = strings.Replace(path, "//", "/", -1)
 	if path != "/" {
 		for path[len(path)-1] == '/' {
 			path = path[:len(path)-1]
@@ -114,7 +116,6 @@ func (r *Resource) GetWithIndex(path string, indexFiles []string) *File {
 
 // GetContent directly returns the content of <path>.
 func (r *Resource) GetContent(path string) []byte {
-	path = strings.Replace(path, "\\", "/", -1)
 	file := r.Get(path)
 	if file != nil {
 		return file.Content()
@@ -169,6 +170,7 @@ func (r *Resource) ScanDirFile(path string, pattern string, recursive ...bool) [
 // It scans directory recursively if given parameter <recursive> is true.
 func (r *Resource) doScanDir(path string, pattern string, recursive bool, onlyFile bool) []*File {
 	path = strings.Replace(path, "\\", "/", -1)
+	path = strings.Replace(path, "//", "/", -1)
 	if path != "/" {
 		for path[len(path)-1] == '/' {
 			path = path[:len(path)-1]
diff --git a/os/gres/gres_z_unit_2_test.go b/os/gres/gres_z_unit_2_test.go
index f051f952b..8e7bc3496 100644
--- a/os/gres/gres_z_unit_2_test.go
+++ b/os/gres/gres_z_unit_2_test.go
@@ -1,4 +1,4 @@
-// Copyright 2019 gf Author(https://github.com/gogf/gf). All Rights Reserved.
+// 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,
diff --git a/os/gres/testdata/data/data.go b/os/gres/testdata/data/data.go
index 4c5967568..099d514e3 100644
--- a/os/gres/testdata/data/data.go
+++ b/os/gres/testdata/data/data.go
@@ -3,7 +3,7 @@ package data
 import "github.com/gogf/gf/os/gres"
 
 func init() {
-	if err := gres.Add("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"); err != nil {
+	if err := gres.Add("H4sIAAAAAAAC/7RaeTiU6/9+sq8hSyohYpAxtkiyFLKMfYtSGgxxGGHsLShlSUqh0nZQpGObiCMplX3LlrQoCpF9ZAv9rkjed4wl5/ftuuIfz33fn/t9tvfz3oZoSioOQAfowCDW0RBA/q0D9MDWFWfv6ICa/SWBd3VxNjOlBms6dtofEqvQRaK0xMsMM8wM62pKa/QaUShUE0q7ClmqLa6NNG8Lk9DRKxM/325saGioVSZebQ7uycpKN8m8lHkpkyUtI5fTIGVIgUYghB0SbS7KmVJQAfDjhyGalu76swt25gAAewDA4vKY5+W5+Eo44hz/X5UZzyszn1c2FqimSKoMgNM2ksZQZTS/lc1IGmumOPxzMPRPFi9rw+/BSFtPD7yry//MfKP5Es3mSzRVl3u7vPkcC1T+D56BybzAffMCJWnbTy//DJhJBS77KAC47HYTViQdoAd2ju5SKA9Pm5nhze9SDq38SXJBhv/8j8RjPfBSEngf/LxLEnp1SG2khJSpVnXNNu2qbWt+l1nw4NLO9QAAtiU5GOY4ZrDnccljhlCqTLPPmLOUdVS/MFfvmPR/c0wa5pg0eceMF1TnH8lLuWLHpGcck4Y7thBTT4VQsmLHpFex3JkAPXCU2oFDYXHwFd5WrlVVVrYvw8xwCEhdzi0nhrsbq04eZVWjZ50TZ+uNVOUDAPCvjMEJsxiD37sd4271n0si7vPJSxx7l3so9P6uJyII6q1Eu5KsThP/y2DNHKeRA7+XFABg28o43T0X48yT/GHzPHjzermDr/0ytX8Riud3PjsfzqwTAH7XuCPvLyQAQGRJPpY5Pr8jSDV9OOV8lQTvwvo7/tGzXj6lULyrdOtNAhXdHFVXS3mEEABgy4qpTPf9P1KRn1Y/qVaxEBl/DUXaObqjsLhVrkUIAuoI1tnZdakpOj9H3L862XIAAFj/iMDb1d3ZjoRArAZVrm2UYWbIQAsluMHmiSAlWMYDJ8x/9cAJ88sDX8wCD3KMF66h+XWaby9myT9ztP8J2awfMLIZOzKNDf0Itm+I95Qgy+TmbmtnrpnZuWJH3D1X4QgnHOGXI9CDf5EFPu+G87EtIptn6v0Tolk3YDeMubmRl0G6aWC/9j5av+z8WAulmNk4VmHIhgUgvzxx8nDF/daa0vHzmmM46w3BeH5/cFrze1IXbGHMW36WkOGbtYYc36xFhPkJY5U9bxJDL3qalG95k0z3rcIk7gUgv0zygUxuQmZ6aZWRCBopVl1Z88BMukHG0FirCl1tUFaJzjETQ2rXZxsScj4RymSzSh98+llfRtnM2vOfNdNleMsuiU3HMxhUf5fI6scVaQAAMPhTdbOW/kd1ojOr1X/WerkJVt7YCGULav45cRPCutH6JOIWngF0EHGruF6wzQ23d3TG/u/uGHAaJ8xK98jZY79IZ3dX2XnHmqQRkTUUc8QcxRUWPy8aoksSs8KI3T1XshUtetd4ZoyaEgcAIJZ99ZmnnL1wLFx8C5Y6XjWofVxDQfRw4eb6mwa9Rm0p1L9vmcqGqIcSAADxJYnZSYlN9/2/L6AQXd8TRvph7y/NiMysPTuQ6zxc6De/S5WpltdjAACOS85aeqjUVb5HuLu64lG2Hh6r2G/WQYajPPC+zliJOaCfRtUZJ8/sj1oVNdtqkdX/6GQbS8qJJWfQMMYkml/+Itxhd7fTUnRrUkd0IpelRyPF7zkp1mLTvR0AIL2keIY5dkcXjAN2FfLZYQAoZ1cHV4mjOIff+p1jfXc0/LWpJEk6OlRgZ8zLK+qW9pWnudUwkiMupcay9mWl4vbC/s0l7obszQ84yqK2HzAVOK3AQRD6HmVb7hV15/qou36/b41nC9GqiVjSP31cZXS0IP37dGdo5kNZLirtIAACbtPTuDACwPpo9OMJAPg9lPMoAOjBvNn4lVLn0Z2fZ7fK5k8vqMDa0J4WpYBhXTdw2FV0w9dS9yxJzTZHDpHzqh6IPVMi+Kd9u8e3TIngGS4GU343yk/WTby19jMLdVS5et8ZDOsA37pX2zeHJARvfx1QzB/U+LeToVmIBB0TTQI31bo6LpdhSgdWrZ2sLFzh508XHjt+/O8Ch79li824rdBoxrthAVtYxZgotIO7DLCtk6bJlZdOCo+78speDHW40CUuHcHQMlX8b33aAzz/Bb5rKjWRO0WHn5xLruQ72OrIcYXv/NpTamaYHzRsAyelhr8ypavoCH7EqKMEgrWwUpijIpPWClxX1Se8c96rnHzTNR2pNm70RYuShq1EIN5NPF5iD2fanfiUtPiUwGDBCw5sWrl5MgwjLLVPWmVpYvYS6xrfZlNuurhB3Xrjp43szoeTRuQnz37hy6eOUBUe/3Hr8U7jg5S+5sSzUx/UTz6n99kaWnz7o0WeHUOfGNvepEMahdPrJ+Pcc/wTOU/pJhKOPlKrD044/GP99/4AzI8rA7e+Un7PVMnj5+hJP9hAjXw03E8JVAuFjyj9QztwKYGRWVHEbVzsm1j23eMqOWZWu4/t/yJi+OG8gVTPiKD/o0OCJv4hBVMbvk8jzOWV28I9NTKDNZ0fspzbJX/3xZndApFBCKX+igphujGLK6fufx0fCDyk9OBdFnWnS1rMuYB8oZaeSqehnfK9Z+p9eomjtvvQ1Q5hsbpf/D7jzp7ujLG+Ynn9K2gxHhG0E41lVEhnO3Mi1uJkQdCWhtLYJkuV+5aSZpyb3vnbDIx62lx4IX/l3WU6pbwvxA1itIyXs2U34rTzsm7y8agp1ga4BPP60NUOeLkKYxnTvr44jIsro2hqxvO3I+P3ve42Dm5KfH41hKnilMDVnB4xwVf5m8XT2IrcTl0MOy+tg2D2SeJswOtphiOLNOiuh5qaP37tx7O/T7Y3qI3VS1nz/V4Vcd1U0+mq2vO56jj2QINzGMGU9tp6Hvv7RyptbQPMfY2FakVzqI3bnqgrx3zQlH4+ZR88Uv2Gm00Ubz3McsSwje5xReWjhM8Xf6A36rgHnjQIMx66S8N9cDueS8LrfndnZDCPnmD952gcUXtANOv7t9pXHlG3H8ZMbdDQ+nYuhGXPgy43lZqJAU5uo620rP+WI5CONWrPH1M7dB9N0vU5r03jrPAyx8BboG7c+FF6X5fpTh6Lb2UHMQNWrp1OVqkPRp4PixSuC89jpn30XHiNWq+Kwmmr6afPY68iULa9hJH1B1+bsg+uieMpD7coutqK/WgqPoxvvZePfjkY2C0ldeRzerDaVgdE+GvvjQirl4gj6TI4/j24orhqpwHVQtozOoLMjROb37GMC/xlvxcR3GprIZ81/N6MX8W8M+kWVoH76DUF9bsjsQ1yu7d8s2VMfKjae6bxr9I8xU25CsObKQKfZR5CpzRXqCWsk3TH8BcGnW1i7r/gtumOuZZvtq1io1h6sJtKo2WZ+dnNsTYfjG7u3Jo/2RHxcnrKsLmHdxLVpWyQct/az+FQaE1oz18tFt2EVq1r+DPh3bIjavWGx7W+lSVzvcNPXrzpj2RnP1z2YJ04H59WRZQ/9d6kwfdTTnL+n6yCLZ+YTR8N8y5+i6jw846/YemAOiHuyy7IFJZYk/+Q3sZLYaA4Ze3Hs61Xr01rvi2ZTIj6Xq17ryTksnyUxpn7DOeQD/I+hAw84CshOLrveNB6WLTqQhrH61MEgqDSE//rj/7NfvNtMPjDAXxyAbGtPSCMKvWMhZefeQNvq8ydNTXxkRhV3rGso7ly/s6V397qntCxqgofXK9ZHbk9hDqPmp5vhwBRzF03tle2O2TK+YaDVgtHZE6oJgNv51B2jtbxqiMvHjdx12MH9Fj8iUMK8t47o+W8dGLd1/sGqmVnEffu3btncO8g0eAf1YxJKgPFSsVGuwyNApNYOpYo1xoR8cGWNh2eAj2f3E4n+b+G3na82Vv3dOT7X9h/mZn7/51EFlOarYks5Dp4Tb6JicMkT5ivibdYb/hqo2PKmdJch5MT2c0fr8kpRaMk+W9Lhdhad8bk7dfkTG15iX469gN3jb0uvLT4iF1yeljh9WcjtRvV2N+WMPOZ4+3kPBk8CkwRZsV5N1Is44fCWyKZI+J16Xa5ynGytHS5H+hKe1ohpVi5Gydmb/50jJFtIzUq3gBFredq6reWZvh1vb73EcGLVpqflQQ/qbp4Bx4LEsisai4qajuq+SAp1V6xtK/WKvmF7uV2Z+24qU/x1xKVLD4e7o9x2GJOeN2s0GfFOjAVQsmq6ZySkx8pcElajiW+jw9Jl8PrM5RLEGDf/i3L7t2djvKPzTdDQ5nenOilxKYhLW2UxxwfHn47FfciB7MhtX2/5wcuW8Gwa592pBfF/sP4NZm/aUvRjZ7eWN0nqJyguAgDKrSeuP6rgtemfFua2iVPSx1TDzRhjjDpZHqJodpxsv+szOeiUOXxBB3vKqG91uLja5UenyiVPhA7dG2oYG9GJ1Er8Vq1rNKhvm8yhl5N9uPoi3Vu2RRf8zpaJnLHc/E5DGcJcXt6cxIPlLwPuvPk5I++1sEJHf9nSX+HbWLWRwzeFb3ZlZBbvyPpBnHwXPox76nLvXHtJeUWbZk1dXERdu0V+8zzk2gv9GTJqfXgEbue3zxGzfb99qsKXOSEscCT5J7r6a937Us68rhrs772eAPjs3vq0wFJpxt5DxWcS5Wydabl9LNKPS9Vd+J0oL5lvSndQP8lAd9dYQO6uiwX1eI43nRlxVQr8h1/sxkx2euv0a0RJ8BvwYFXRTcc9OGXl2zd/8L27bo3idzJgx29ee22DaX8OyzM918q9XvTQ5BoMI7mkcphkfbm76jVsvUvfn5PngFJQFSNVkeljX6x387dTfxg5xBagxhn2adfQZ+5fkr1jE/EOl2rOAHlraNf0ZGVpoHB8bHl0m6sIevZA/hLtl0vUL9d+vmG4unvd/FWj5kaDhyg7BFpVDRxP1a9kVfq/bP+7W8ZXLEbKeIKhLmtfdrX4IuFm5rVDQYk3+10KRvDKn8Z1tpKTIgZLbx0Kq91tJKvsuPhk+Zj7UQd3aIMO2EEa9F7r3f+xzJv47OH9yhb04iVDFbzj+Ad23I41/ffFH4kkUaMMBIcVmadbHEfkZpips7PKcS2pmVVlidFDezAtqa1vKq+8s+VU8Y6Vp7xhOEHkoe2Zrndr0B+Q3t+JPbLxERUmOFy8y039RwfczUvG6a9p4coq0Gl+nTcEfH1oGpQSZa+/aK92dpgwsq+2rAtJ10pcxLPLdCcXpOpcPe9LuJS7kvHeBfLKaeQbTdc2ngPpr/CHNRO29qgiTg7UaDB/GJfVyXl83RUecaBEcuIBsUBDaHS/F3u+syjrYEjbwuR/677J+SY0+FH6g7XvGmnYnsPmOAIeRPrWrWPmpz2DrjI87f/bn1cJkeqcDi3L16mdquIcolH/9vgdUVBfkaT/E9aNzUU8764je1zaXrZbPO53NUj6FqCtfvZpFO+iu+VpzKEZAOpdwjkjdT2buuuu65xMZUG2d9sMnbswgsLJGJ98OF3pfUn2Ao27vjwge8GftDGzRPvLHX35ai8Y5aiQSIuKvJD4UR5UIPJDzWB0Om04zS8V0w4fTmln6U9H1Ut6mtpoylqTmWPLt4jNp3GzExhzsKJq/ym9eW1HLcXl6vJCb1Ht7xik33YEv7JyR5pLB5qtEddo+GLduNplfEQw+XRXT8h+QorKbVLqckifUwrO0Cf8dCtzQeY8KonaToaGDd87Erd+0V3Oj/5jF5UZjTGZpyDpXNiyD3m0GOCzf3Qg/20eabhxl5vY827TlXWfRbOPI8f0s/UwmXrEMKDFJU7zzxrqDk15jC6P7xDHc3ryRdNX3P6htnhfslIbCxRXLuaJzwgU4eloCtMNruyOSKcgVVJga2IpkGjHY0l3mpIKrze945HaNCgzuRSYjYrLtTk+iHpbXVCkZ05Q7d3CVp94tmJeiOcd2IIoR87Ush5P0PTgcYqkOL4fVP9o8Ty3EDZqdefej6dfUt1pZhtWGAf5mywDbqAg3oXQ49s37B05AaPHBHWxocjTo/S6S+9d0ejT3TfHIlpLJY+3lCb3QPi3XrUVRjLt9tR+b3GyuhZazyWQXsjy7epnHvZHHKFMVLVg8UtTNk1deRQQJv0Yc24JhU0rfONpM17VJJ4C7Imd1b6pNn272OM7LeJQ6Brzu4dyOlXjtZlQtbemdj3bJr9d9ev/3ZABhMAl5mXa67Pvvng7LA+EkfwkNdb8epal2J+JqqPDtLBRWCQ4oxonupGngyGLc/Mo52tL04bxPQnGmgW7Y8IT3h2ICzcw7R9MrBwu092EoHLnmhIw1fYnzJ292tad+HN8FPyBcwf+BCn+UIL/P069IY2ae+n2ew/UPew0sK/76unPR+9w5PcdAGG+MPBu6tfyPMkyJee8rzR/WTvWN8U41xFmN4x03MAgIfL9vB/VrSK3s3P10A81uWoMwaPJWfIkLgRylykTMustBKtnWoo8uvbqplWRaV2I+Xv5sLjGBEgCADYvORLKyuUzBnj6+r563Pin7268pGBQdm64vAYRxzWHa4/JU1fW6+iEm1mqFNds027shKNNE5JbSeUSWZ5jIwyug0PezATamsksz6lpOlXoe+lzjdMhGjf9ssDAKSWFMNDToy9qyt+CSUVNSjteRnEURa3xTSYFitqLf8ljKyGI1iM3eIayrX0dGc1zPZoJLOIRz3xi+qY8L9Qvx0AgPpzHbO/4ToIRvhB77WhTEfNSkXKqjI/EQKN7oWKelkxMDAwyAldFVK459U3jtMI/fceg3Jo9PgdIbkJVqOMsO7uqIZ3QddfRJlSC10oaBC482a/xKbjIRvktMdFow0TjKUrOKI81oWHu0RHEYk662SIxuGXJZl3lza+2iPbnWQXg7l2MeaWdVAjSKZKwW06HoJ2Hi48QfW7yPLqi1uiAAATfzqJpVcxicl4JU123pDMkfk1t995uIqT5HPMCnnIzQ0CfA7M84grNe9aJQ+5Z5+SVl2JrhbV056bhHUVImVVRsYv76e27yntahe27wjm+Hybftud9s5Y/r/mP5NTjXfS/pyD+ks+Hk5yOlwwjqv5PMm/GNbMDyky/nkOD8tkwe2r1Oud+VC59j9QSS9CRfKkbFR820mpyHf756iWODHWUHBQzmuFxqXWAfrff5cY+PPnEgkuUiBouokZBnRrHogk5zOPQT4HNbcwf+xWWAMWpqLgAqDZow0wAV6/By+ViiLFg0aFOGB4PBRg6fzSUnUxw+p6TApFpjzyHe45jN7daygBuaQRvBpoIogLVo0qZPgiSSNSMGgUiAEGljgHBo8ULWUIFcyQsV8Aq/BBhgqQyw/BpUNzPnAf3CHDF8kPkYJBAz5wH17NgcGDQiv3QYwakKaC4NzQb2tMMG4sNSCfCiKFgMZx4BAlcxCksZ8FKiAJGziEIg0gn+IhhYDGWVhgEPfnIMgEc1aOwkULFs3crPx5BP5CWdG8ZITNy/xfQxfGaeAlQJMv8Kk5DUcgF6chBYOmXOBg1nRguejMymt7CgWDxWTgcqApFrgcCnqwXEyGFAyaV4GDuZKAkYnBrLy2OigYLPAClwPNpHDC5HAwgGUCL6RY0PAJHOs4CdbCTMtSla2FVfYRikUaXiE5NyDBEvipKsQIVhBeIcWDBkfgeNEL8ciEU1ZeJDUTWDx8AhcFjXpww0TpLAAhEz4hhYOGM+BwXxbCLUyLLLUp0cE2pWBmQC7fsfhBwQZT82JuONl8BykONFMBx9m2FiwR4CDFgQYlWOGXBxgOSR6DFAYae4Bfz9azgKUzFqRQ0FgCOwzqAikUSWpiqUdFD3tUiqyAbKhhpZcbf1ZALtQALwQaMYBf5vMgw8mEGpbSwQDTsYMNkM8nkOyJkI4d3FJfGMDCfAIpErRTBj/YPXjBov2+lR/sGnyAtMcGFwBtgcFLCeADS/bYlnKVFeZqLxRpYQMNLgjav+KDCZLlBytuoC14fYJ0pHhgqIXkUMl1NBbsg5DmEhxSYwtYWWOLFBLayoFDVpGDJNenWPlTIQiApTpCcGXQrg1c2TgZmBX5B23QwCExgmBlzR9SSGivBQ5ZRg7yT/3jhPlntBUs27KBy4P2VPhh8m4shkWuZUMKC+2fwGHphMDK2zMrP5g9ILCQjYWa5ucfKANl4M8GAOHn+wr4vwAAAP//lfLuQkM3AAA="); err != nil {
 		panic("add binary content to resource manager failed: " + err.Error())
 	}
 }
diff --git a/os/gres/testdata/testdata.go b/os/gres/testdata/testdata.go
index 1b3381164..b228bde1c 100644
--- a/os/gres/testdata/testdata.go
+++ b/os/gres/testdata/testdata.go
@@ -3,7 +3,7 @@ package testdata
 import "github.com/gogf/gf/os/gres"
 
 func init() {
-	if err := gres.Add("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"); err != nil {
+	if err := gres.Add("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"); err != nil {
 		panic("add binary content to resource manager failed: " + err.Error())
 	}
 }
diff --git a/os/gsession/gsession_storage_file.go b/os/gsession/gsession_storage_file.go
index b97dd820a..f1df7d8db 100644
--- a/os/gsession/gsession_storage_file.go
+++ b/os/gsession/gsession_storage_file.go
@@ -1,4 +1,4 @@
-// Copyright 2019 gf Author(https://github.com/gogf/gf). All Rights Reserved.
+// 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,
@@ -68,8 +68,10 @@ func NewStorageFile(path ...string) *StorageFile {
 	// Batch updates the TTL for session ids timely.
 	gtimer.AddSingleton(DefaultStorageFileLoopInterval, func() {
 		//intlog.Print("StorageFile.timer start")
-		var id string
-		var err error
+		var (
+			id  string
+			err error
+		)
 		for {
 			if id = s.updatingIdSet.Pop(); id == "" {
 				break
@@ -221,7 +223,7 @@ func (s *StorageFile) SetSession(id string, data *gmap.StrAnyMap, ttl time.Durat
 // It just adds the session id to the async handling queue.
 func (s *StorageFile) UpdateTTL(id string, ttl time.Duration) error {
 	intlog.Printf("StorageFile.UpdateTTL: %s, %v", id, ttl)
-	if ttl >= DefaultStorageRedisLoopInterval {
+	if ttl >= DefaultStorageFileLoopInterval {
 		s.updatingIdSet.Add(id)
 	}
 	return nil
diff --git a/os/gsession/gsession_storage_redis.go b/os/gsession/gsession_storage_redis.go
index 567fe2036..bd5714e66 100644
--- a/os/gsession/gsession_storage_redis.go
+++ b/os/gsession/gsession_storage_redis.go
@@ -1,4 +1,4 @@
-// Copyright 2019 gf Author(https://github.com/gogf/gf). All Rights Reserved.
+// 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,
@@ -26,7 +26,7 @@ type StorageRedis struct {
 var (
 	// DefaultStorageRedisLoopInterval is the interval updating TTL for session ids
 	// in last duration.
-	DefaultStorageRedisLoopInterval = time.Minute
+	DefaultStorageRedisLoopInterval = 10 * time.Second
 )
 
 // NewStorageRedis creates and returns a redis storage object for session.
@@ -45,9 +45,11 @@ func NewStorageRedis(redis *gredis.Redis, prefix ...string) *StorageRedis {
 	// Batch updates the TTL for session ids timely.
 	gtimer.AddSingleton(DefaultStorageRedisLoopInterval, func() {
 		intlog.Print("StorageRedis.timer start")
-		var id string
-		var err error
-		var ttlSeconds int
+		var (
+			id         string
+			err        error
+			ttlSeconds int
+		)
 		for {
 			if id, ttlSeconds = s.updatingIdMap.Pop(); id == "" {
 				break
diff --git a/os/gsession/gsession_storage_redis_hashtable.go b/os/gsession/gsession_storage_redis_hashtable.go
index b7eec2970..15eb825a3 100644
--- a/os/gsession/gsession_storage_redis_hashtable.go
+++ b/os/gsession/gsession_storage_redis_hashtable.go
@@ -1,4 +1,4 @@
-// Copyright 2019 gf Author(https://github.com/gogf/gf). All Rights Reserved.
+// 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,
diff --git a/os/gtime/gtime_time.go b/os/gtime/gtime_time.go
index 4584b661e..7da67768a 100644
--- a/os/gtime/gtime_time.go
+++ b/os/gtime/gtime_time.go
@@ -318,6 +318,113 @@ func (t *Time) Sub(u *Time) time.Duration {
 	return t.Time.Sub(u.Time)
 }
 
+// StartOfMinute clones and returns a new time of which the seconds is set to 0.
+func (t *Time) StartOfMinute() *Time {
+	newTime := t.Clone()
+	newTime.Time = newTime.Time.Truncate(time.Minute)
+	return newTime
+}
+
+// StartOfHour clones and returns a new time of which the hour, minutes and seconds are set to 0.
+func (t *Time) StartOfHour() *Time {
+	y, m, d := t.Date()
+	newTime := t.Clone()
+	newTime.Time = time.Date(y, m, d, newTime.Time.Hour(), 0, 0, 0, newTime.Time.Location())
+	return newTime
+}
+
+// StartOfDay clones and returns a new time which is the start of day, its time is set to 00:00:00.
+func (t *Time) StartOfDay() *Time {
+	y, m, d := t.Date()
+	newTime := t.Clone()
+	newTime.Time = time.Date(y, m, d, 0, 0, 0, 0, newTime.Time.Location())
+	return newTime
+}
+
+// StartOfWeek clones and returns a new time which is the first day of week and its time is set to
+// 00:00:00.
+func (t *Time) StartOfWeek() *Time {
+	weekday := int(t.Weekday())
+	return t.StartOfDay().AddDate(0, 0, -weekday)
+}
+
+// StartOfMonth clones and returns a new time which is the first day of the month and its is set to
+// 00:00:00
+func (t *Time) StartOfMonth() *Time {
+	y, m, _ := t.Date()
+	newTime := t.Clone()
+	newTime.Time = time.Date(y, m, 1, 0, 0, 0, 0, newTime.Time.Location())
+	return newTime
+}
+
+// StartOfQuarter clones and returns a new time which is the first day of the quarter and its time is set
+// to 00:00:00.
+func (t *Time) StartOfQuarter() *Time {
+	month := t.StartOfMonth()
+	offset := (int(month.Month()) - 1) % 3
+	return month.AddDate(0, -offset, 0)
+}
+
+// StartOfHalf clones and returns a new time which is the first day of the half year and its time is set
+// to 00:00:00.
+func (t *Time) StartOfHalf() *Time {
+	month := t.StartOfMonth()
+	offset := (int(month.Month()) - 1) % 6
+	return month.AddDate(0, -offset, 0)
+}
+
+// StartOfYear clones and returns a new time which is the first day of the year and its time is set to
+// 00:00:00.
+func (t *Time) StartOfYear() *Time {
+	y, _, _ := t.Date()
+	newTime := t.Clone()
+	newTime.Time = time.Date(y, time.January, 1, 0, 0, 0, 0, newTime.Time.Location())
+	return newTime
+}
+
+// EndOfMinute clones and returns a new time of which the seconds is set to 59.
+func (t *Time) EndOfMinute() *Time {
+	return t.StartOfMinute().Add(time.Minute - time.Nanosecond)
+}
+
+// EndOfHour clones and returns a new time of which the minutes and seconds are both set to 59.
+func (t *Time) EndOfHour() *Time {
+	return t.StartOfHour().Add(time.Hour - time.Nanosecond)
+}
+
+// EndOfDay clones and returns a new time which is the end of day the and its time is set to 23:59:59.
+func (t *Time) EndOfDay() *Time {
+	y, m, d := t.Date()
+	newTime := t.Clone()
+	newTime.Time = time.Date(y, m, d, 23, 59, 59, int(time.Second-time.Nanosecond), newTime.Time.Location())
+	return newTime
+}
+
+// EndOfWeek clones and returns a new time which is the end of week and its time is set to 23:59:59.
+func (t *Time) EndOfWeek() *Time {
+	return t.StartOfWeek().AddDate(0, 0, 7).Add(-time.Nanosecond)
+}
+
+// EndOfMonth clones and returns a new time which is the end of the month and its time is set to 23:59:59.
+func (t *Time) EndOfMonth() *Time {
+	return t.StartOfMonth().AddDate(0, 1, 0).Add(-time.Nanosecond)
+}
+
+// EndOfQuarter clones and returns a new time which is end of the quarter and its time is set to 23:59:59.
+func (t *Time) EndOfQuarter() *Time {
+	return t.StartOfQuarter().AddDate(0, 3, 0).Add(-time.Nanosecond)
+}
+
+// EndOfHalf clones and returns a new time which is the end of the half year and its time is set to 23:59:59.
+func (t *Time) EndOfHalf() *Time {
+	return t.StartOfHalf().AddDate(0, 6, 0).Add(-time.Nanosecond)
+}
+
+// EndOfYear clones and returns a new time which is the end of the year and its time is set to 23:59:59.
+func (t *Time) EndOfYear() *Time {
+	return t.StartOfYear().AddDate(1, 0, 0).Add(-time.Nanosecond)
+}
+
 // MarshalJSON implements the interface MarshalJSON for json.Marshal.
 func (t *Time) MarshalJSON() ([]byte, error) {
 	return []byte(`"` + t.String() + `"`), nil
diff --git a/os/gtime/gtime_z_unit_time_test.go b/os/gtime/gtime_z_unit_time_test.go
index edfa6530e..5eb2809bd 100644
--- a/os/gtime/gtime_z_unit_time_test.go
+++ b/os/gtime/gtime_z_unit_time_test.go
@@ -256,3 +256,131 @@ func Test_Truncate(t *testing.T) {
 		t.Assert(timeTemp.UnixNano(), timeTemp1.Truncate(time.Hour).UnixNano())
 	})
 }
+
+func Test_StartOfMinute(t *testing.T) {
+	gtest.C(t, func(t *gtest.T) {
+		timeTemp := gtime.NewFromStr("2020-12-12 18:24:06")
+		timeTemp1 := timeTemp.StartOfMinute()
+		t.Assert(timeTemp1.Format("Y-m-d H:i:s"), "2020-12-12 18:24:00")
+	})
+}
+
+func Test_EndOfMinute(t *testing.T) {
+	gtest.C(t, func(t *gtest.T) {
+		timeTemp := gtime.NewFromStr("2020-12-12 18:24:06")
+		timeTemp1 := timeTemp.EndOfMinute()
+		t.Assert(timeTemp1.Format("Y-m-d H:i:s"), "2020-12-12 18:24:59")
+	})
+}
+
+func Test_StartOfHour(t *testing.T) {
+	gtest.C(t, func(t *gtest.T) {
+		timeTemp := gtime.NewFromStr("2020-12-12 18:24:06")
+		timeTemp1 := timeTemp.StartOfHour()
+		t.Assert(timeTemp1.Format("Y-m-d H:i:s"), "2020-12-12 18:00:00")
+	})
+}
+
+func Test_EndOfHour(t *testing.T) {
+	gtest.C(t, func(t *gtest.T) {
+		timeTemp := gtime.NewFromStr("2020-12-12 18:24:06")
+		timeTemp1 := timeTemp.EndOfHour()
+		t.Assert(timeTemp1.Format("Y-m-d H:i:s"), "2020-12-12 18:59:59")
+	})
+}
+
+func Test_StartOfDay(t *testing.T) {
+	gtest.C(t, func(t *gtest.T) {
+		timeTemp := gtime.NewFromStr("2020-12-12 18:24:06")
+		timeTemp1 := timeTemp.StartOfDay()
+		t.Assert(timeTemp1.Format("Y-m-d H:i:s"), "2020-12-12 00:00:00")
+	})
+}
+
+func Test_EndOfDay(t *testing.T) {
+	gtest.C(t, func(t *gtest.T) {
+		timeTemp := gtime.NewFromStr("2020-12-12 18:24:06")
+		timeTemp1 := timeTemp.EndOfDay()
+		t.Assert(timeTemp1.Format("Y-m-d H:i:s"), "2020-12-12 23:59:59")
+	})
+}
+
+func Test_StartOfWeek(t *testing.T) {
+	gtest.C(t, func(t *gtest.T) {
+		timeTemp := gtime.NewFromStr("2020-12-12 18:24:06")
+		timeTemp1 := timeTemp.StartOfWeek()
+		t.Assert(timeTemp1.Format("Y-m-d H:i:s"), "2020-12-06 00:00:00")
+	})
+}
+
+func Test_EndOfWeek(t *testing.T) {
+	gtest.C(t, func(t *gtest.T) {
+		timeTemp := gtime.NewFromStr("2020-12-12 18:24:06")
+		timeTemp1 := timeTemp.EndOfWeek()
+		t.Assert(timeTemp1.Format("Y-m-d H:i:s"), "2020-12-12 23:59:59")
+	})
+}
+
+func Test_StartOfMonth(t *testing.T) {
+	gtest.C(t, func(t *gtest.T) {
+		timeTemp := gtime.NewFromStr("2020-12-12 18:24:06")
+		timeTemp1 := timeTemp.StartOfMonth()
+		t.Assert(timeTemp1.Format("Y-m-d H:i:s"), "2020-12-01 00:00:00")
+	})
+}
+
+func Test_EndOfMonth(t *testing.T) {
+	gtest.C(t, func(t *gtest.T) {
+		timeTemp := gtime.NewFromStr("2020-12-12 18:24:06")
+		timeTemp1 := timeTemp.EndOfMonth()
+		t.Assert(timeTemp1.Format("Y-m-d H:i:s"), "2020-12-31 23:59:59")
+	})
+}
+
+func Test_StartOfQuarter(t *testing.T) {
+	gtest.C(t, func(t *gtest.T) {
+		timeTemp := gtime.NewFromStr("2020-12-06 18:24:06")
+		timeTemp1 := timeTemp.StartOfQuarter()
+		t.Assert(timeTemp1.Format("Y-m-d H:i:s"), "2020-10-01 00:00:00")
+	})
+}
+
+func Test_EndOfQuarter(t *testing.T) {
+	gtest.C(t, func(t *gtest.T) {
+		timeTemp := gtime.NewFromStr("2020-12-06 18:24:06")
+		timeTemp1 := timeTemp.EndOfQuarter()
+		t.Assert(timeTemp1.Format("Y-m-d H:i:s"), "2020-12-31 23:59:59")
+	})
+}
+
+func Test_StartOfHalf(t *testing.T) {
+	gtest.C(t, func(t *gtest.T) {
+		timeTemp := gtime.NewFromStr("2020-12-06 18:24:06")
+		timeTemp1 := timeTemp.StartOfHalf()
+		t.Assert(timeTemp1.Format("Y-m-d H:i:s"), "2020-07-01 00:00:00")
+	})
+}
+
+func Test_EndOfHalf(t *testing.T) {
+	gtest.C(t, func(t *gtest.T) {
+		timeTemp := gtime.NewFromStr("2020-12-06 18:24:06")
+		timeTemp1 := timeTemp.EndOfHalf()
+		t.Assert(timeTemp1.Format("Y-m-d H:i:s"), "2020-12-31 23:59:59")
+	})
+}
+
+func Test_StartOfYear(t *testing.T) {
+	gtest.C(t, func(t *gtest.T) {
+		timeTemp := gtime.NewFromStr("2020-12-06 18:24:06")
+		timeTemp1 := timeTemp.StartOfYear()
+		t.Assert(timeTemp1.Format("Y-m-d H:i:s"), "2020-01-01 00:00:00")
+	})
+}
+
+func Test_EndOfYear(t *testing.T) {
+	gtest.C(t, func(t *gtest.T) {
+		timeTemp := gtime.NewFromStr("2020-12-06 18:24:06")
+		timeTemp1 := timeTemp.EndOfYear()
+		t.Assert(timeTemp1.Format("Y-m-d H:i:s"), "2020-12-31 23:59:59")
+	})
+}
diff --git a/os/gview/gview_config.go b/os/gview/gview_config.go
index 2404c2f56..508344a0a 100644
--- a/os/gview/gview_config.go
+++ b/os/gview/gview_config.go
@@ -1,4 +1,4 @@
-// Copyright 2017 gf Author(https://github.com/gogf/gf). All Rights Reserved.
+// 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,
@@ -21,12 +21,12 @@ import (
 
 // Config is the configuration object for template engine.
 type Config struct {
-	Paths       []string               // Searching array for path, NOT concurrent-safe for performance purpose.
-	Data        map[string]interface{} // Global template variables including configuration.
-	DefaultFile string                 // Default template file for parsing.
-	Delimiters  []string               // Custom template delimiters.
-	AutoEncode  bool                   // Automatically encodes and provides safe html output, which is good for avoiding XSS.
-	I18nManager *gi18n.Manager         // I18n manager for the view.
+	Paths       []string               `json:"paths"`       // Searching array for path, NOT concurrent-safe for performance purpose.
+	Data        map[string]interface{} `json:"data"`        // Global template variables including configuration.
+	DefaultFile string                 `json:"defaultFile"` // Default template file for parsing.
+	Delimiters  []string               `json:"delimiters"`  // Custom template delimiters.
+	AutoEncode  bool                   `json:"autoEncode"`  // Automatically encodes and provides safe html output, which is good for avoiding XSS.
+	I18nManager *gi18n.Manager         `json:"-"`           // I18n manager for the view.
 }
 
 const (
diff --git a/text/gstr/gstr_case.go b/text/gstr/gstr_case.go
index e472f9055..f8f6aa3e0 100644
--- a/text/gstr/gstr_case.go
+++ b/text/gstr/gstr_case.go
@@ -1,4 +1,4 @@
-// Copyright 2019 gf Author(https://github.com/gogf/gf). All Rights Reserved.
+// 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,
@@ -6,15 +6,15 @@
 //
 //   | Function                          | Result             |
 //   |-----------------------------------|--------------------|
-//   | SnakeCase(s)                      | any_kind_of_string |
-//   | SnakeScreamingCase(s)             | ANY_KIND_OF_STRING |
-//   | KebabCase(s)                      | any-kind-of-string |
-//   | KebabScreamingCase(s)             | ANY-KIND-OF-STRING |
-//   | DelimitedCase(s, '.')             | any.kind.of.string |
-//   | DelimitedScreamingCase(s, '.')    | ANY.KIND.OF.STRING |
-//   | CamelCase(s)                      | AnyKindOfString    |
-//   | CamelLowerCase(s)                 | anyKindOfString    |
-//   | SnakeFirstUpperCase(RGBCodeMd5)   | rgb_code_md5       |
+//   | CaseSnake(s)                      | any_kind_of_string |
+//   | CaseSnakeScreaming(s)             | ANY_KIND_OF_STRING |
+//   | CaseSnakeFirstUpper("RGBCodeMd5") | rgb_code_md5       |
+//   | CaseKebab(s)                      | any-kind-of-string |
+//   | CaseKebabScreaming(s)             | ANY-KIND-OF-STRING |
+//   | CaseDelimited(s, '.')             | any.kind.of.string |
+//   | CaseDelimitedScreaming(s, '.')    | ANY.KIND.OF.STRING |
+//   | CaseCamel(s)                      | AnyKindOfString    |
+//   | CaseCamelLower(s)                 | anyKindOfString    |
 
 package gstr
 
@@ -30,12 +30,24 @@ var (
 )
 
 // CamelCase converts a string to CamelCase.
+// Deprecated, use CaseCamel instead.
 func CamelCase(s string) string {
+	return CaseCamel(s)
+}
+
+// CaseCamel converts a string to CamelCase.
+func CaseCamel(s string) string {
 	return toCamelInitCase(s, true)
 }
 
 // CamelLowerCase converts a string to lowerCamelCase.
+// Deprecated, use CaseCamelLower instead.
 func CamelLowerCase(s string) string {
+	return CaseCamelLower(s)
+}
+
+// CaseCamelLower converts a string to lowerCamelCase.
+func CaseCamelLower(s string) string {
 	if s == "" {
 		return s
 	}
@@ -46,19 +58,37 @@ func CamelLowerCase(s string) string {
 }
 
 // SnakeCase converts a string to snake_case.
+// Deprecated, use CaseSnake instead.
 func SnakeCase(s string) string {
+	return CaseSnake(s)
+}
+
+// CaseSnake converts a string to snake_case.
+func CaseSnake(s string) string {
 	return DelimitedCase(s, '_')
 }
 
 // SnakeScreamingCase converts a string to SNAKE_CASE_SCREAMING.
+// Deprecated, use CaseSnakeScreaming instead.
 func SnakeScreamingCase(s string) string {
+	return CaseSnakeScreaming(s)
+}
+
+// CaseSnakeScreaming converts a string to SNAKE_CASE_SCREAMING.
+func CaseSnakeScreaming(s string) string {
 	return DelimitedScreamingCase(s, '_', true)
 }
 
 // SnakeFirstUpperCase converts a string from RGBCodeMd5 to rgb_code_md5.
 // The length of word should not be too long
-// TODO for efficiency should change regexp to traversing string in future
+// Deprecated, use CaseSnakeFirstUpper instead.
 func SnakeFirstUpperCase(word string, underscore ...string) string {
+	return CaseSnakeFirstUpper(word, underscore...)
+}
+
+// CaseSnakeFirstUpper converts a string like "RGBCodeMd5" to "rgb_code_md5".
+// TODO for efficiency should change regexp to traversing string in future.
+func CaseSnakeFirstUpper(word string, underscore ...string) string {
 	replace := "_"
 	if len(underscore) > 0 {
 		replace = underscore[0]
@@ -73,7 +103,7 @@ func SnakeFirstUpperCase(word string, underscore ...string) string {
 		m := firstCamelCaseStart.FindAllStringSubmatch(word, 1)
 		if len(m) > 0 && m[0][1] != "" {
 			w := strings.ToLower(m[0][1])
-			w = string(w[:len(w)-1]) + replace + string(w[len(w)-1])
+			w = w[:len(w)-1] + replace + string(w[len(w)-1])
 
 			word = strings.Replace(word, m[0][1], w, 1)
 		} else {
@@ -84,23 +114,47 @@ func SnakeFirstUpperCase(word string, underscore ...string) string {
 	return TrimLeft(word, replace)
 }
 
-// KebabCase converts a string to kebab-case
+// KebabCase converts a string to kebab-case.
+// Deprecated, use CaseKebab instead.
 func KebabCase(s string) string {
-	return DelimitedCase(s, '-')
+	return CaseKebab(s)
+}
+
+// CaseKebab converts a string to kebab-case
+func CaseKebab(s string) string {
+	return CaseDelimited(s, '-')
 }
 
 // KebabScreamingCase converts a string to KEBAB-CASE-SCREAMING.
+// Deprecated, use CaseKebabScreaming instead.
 func KebabScreamingCase(s string) string {
-	return DelimitedScreamingCase(s, '-', true)
+	return CaseKebabScreaming(s)
+}
+
+// CaseKebabScreaming converts a string to KEBAB-CASE-SCREAMING.
+func CaseKebabScreaming(s string) string {
+	return CaseDelimitedScreaming(s, '-', true)
 }
 
 // DelimitedCase converts a string to snake.case.delimited.
+// Deprecated, use CaseDelimited instead.
 func DelimitedCase(s string, del uint8) string {
-	return DelimitedScreamingCase(s, del, false)
+	return CaseDelimited(s, del)
+}
+
+// CaseDelimited converts a string to snake.case.delimited.
+func CaseDelimited(s string, del uint8) string {
+	return CaseDelimitedScreaming(s, del, false)
 }
 
 // DelimitedScreamingCase converts a string to DELIMITED.SCREAMING.CASE or delimited.screaming.case.
+// Deprecated, use CaseDelimitedScreaming instead.
 func DelimitedScreamingCase(s string, del uint8, screaming bool) string {
+	return CaseDelimitedScreaming(s, del, screaming)
+}
+
+// CaseDelimitedScreaming converts a string to DELIMITED.SCREAMING.CASE or delimited.screaming.case.
+func CaseDelimitedScreaming(s string, del uint8, screaming bool) string {
 	s = addWordBoundariesToNumbers(s)
 	s = strings.Trim(s, " ")
 	n := ""
diff --git a/text/gstr/gstr_z_unit_case_test.go b/text/gstr/gstr_z_unit_case_test.go
index cde0ed961..a87de35e4 100644
--- a/text/gstr/gstr_z_unit_case_test.go
+++ b/text/gstr/gstr_z_unit_case_test.go
@@ -1,4 +1,4 @@
-// Copyright 2019 gf Author(https://github.com/gogf/gf). All Rights Reserved.
+// 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,
@@ -7,12 +7,13 @@
 package gstr_test
 
 import (
+	"github.com/gogf/gf/test/gtest"
 	"testing"
 
 	"github.com/gogf/gf/text/gstr"
 )
 
-func Test_CamelCase(t *testing.T) {
+func Test_CaseCamel(t *testing.T) {
 	cases := [][]string{
 		{"test_case", "TestCase"},
 		{"test", "Test"},
@@ -28,14 +29,14 @@ func Test_CamelCase(t *testing.T) {
 	for _, i := range cases {
 		in := i[0]
 		out := i[1]
-		result := gstr.CamelCase(in)
+		result := gstr.CaseCamel(in)
 		if result != out {
 			t.Error("'" + result + "' != '" + out + "'")
 		}
 	}
 }
 
-func Test_CamelLowerCase(t *testing.T) {
+func Test_CaseCamelLower(t *testing.T) {
 	cases := [][]string{
 		{"foo-bar", "fooBar"},
 		{"TestCase", "testCase"},
@@ -45,14 +46,14 @@ func Test_CamelLowerCase(t *testing.T) {
 	for _, i := range cases {
 		in := i[0]
 		out := i[1]
-		result := gstr.CamelLowerCase(in)
+		result := gstr.CaseCamelLower(in)
 		if result != out {
 			t.Error("'" + result + "' != '" + out + "'")
 		}
 	}
 }
 
-func Test_SnakeCase(t *testing.T) {
+func Test_CaseSnake(t *testing.T) {
 	cases := [][]string{
 		{"testCase", "test_case"},
 		{"TestCase", "test_case"},
@@ -75,14 +76,14 @@ func Test_SnakeCase(t *testing.T) {
 	for _, i := range cases {
 		in := i[0]
 		out := i[1]
-		result := gstr.SnakeCase(in)
+		result := gstr.CaseSnake(in)
 		if result != out {
 			t.Error("'" + in + "'('" + result + "' != '" + out + "')")
 		}
 	}
 }
 
-func Test_DelimitedCase(t *testing.T) {
+func Test_CaseDelimited(t *testing.T) {
 	cases := [][]string{
 		{"testCase", "test@case"},
 		{"TestCase", "test@case"},
@@ -106,28 +107,28 @@ func Test_DelimitedCase(t *testing.T) {
 	for _, i := range cases {
 		in := i[0]
 		out := i[1]
-		result := gstr.DelimitedCase(in, '@')
+		result := gstr.CaseDelimited(in, '@')
 		if result != out {
 			t.Error("'" + in + "' ('" + result + "' != '" + out + "')")
 		}
 	}
 }
 
-func Test_SnakeScreamingCase(t *testing.T) {
+func Test_CaseSnakeScreaming(t *testing.T) {
 	cases := [][]string{
 		{"testCase", "TEST_CASE"},
 	}
 	for _, i := range cases {
 		in := i[0]
 		out := i[1]
-		result := gstr.SnakeScreamingCase(in)
+		result := gstr.CaseSnakeScreaming(in)
 		if result != out {
 			t.Error("'" + result + "' != '" + out + "'")
 		}
 	}
 }
 
-func Test_KebabCase(t *testing.T) {
+func Test_CaseKebab(t *testing.T) {
 	cases := [][]string{
 		{"testCase", "test-case"},
 		{"optimization1.0.0", "optimization-1-0-0"},
@@ -135,42 +136,42 @@ func Test_KebabCase(t *testing.T) {
 	for _, i := range cases {
 		in := i[0]
 		out := i[1]
-		result := gstr.KebabCase(in)
+		result := gstr.CaseKebab(in)
 		if result != out {
 			t.Error("'" + result + "' != '" + out + "'")
 		}
 	}
 }
 
-func Test_KebabScreamingCase(t *testing.T) {
+func Test_CaseKebabScreaming(t *testing.T) {
 	cases := [][]string{
 		{"testCase", "TEST-CASE"},
 	}
 	for _, i := range cases {
 		in := i[0]
 		out := i[1]
-		result := gstr.KebabScreamingCase(in)
+		result := gstr.CaseKebabScreaming(in)
 		if result != out {
 			t.Error("'" + result + "' != '" + out + "'")
 		}
 	}
 }
 
-func Test_DelimitedScreamingCase(t *testing.T) {
+func Test_CaseDelimitedScreaming(t *testing.T) {
 	cases := [][]string{
 		{"testCase", "TEST.CASE"},
 	}
 	for _, i := range cases {
 		in := i[0]
 		out := i[1]
-		result := gstr.DelimitedScreamingCase(in, '.', true)
+		result := gstr.CaseDelimitedScreaming(in, '.', true)
 		if result != out {
 			t.Error("'" + result + "' != '" + out + "'")
 		}
 	}
 }
 
-func TestSnakeFirstUpperCase(t *testing.T) {
+func Test_CaseSnakeFirstUpper(t *testing.T) {
 	cases := [][]string{
 		{"RGBCodeMd5", "rgb_code_md5"},
 		{"testCase", "test_case"},
@@ -182,13 +183,12 @@ func TestSnakeFirstUpperCase(t *testing.T) {
 		{"User_ID", "user_id"},
 		{"user_id", "user_id"},
 		{"md5", "md5"},
+		{"Numbers2And55With000", "numbers2_and55_with000"},
 	}
-	for _, i := range cases {
-		in := i[0]
-		out := i[1]
-		result := gstr.SnakeFirstUpperCase(in)
-		if result != out {
-			t.Error("'" + result + "' != '" + out + "'")
+	gtest.C(t, func(t *gtest.T) {
+		for _, item := range cases {
+			t.Assert(gstr.CaseSnakeFirstUpper(item[0]), item[1])
 		}
-	}
+	})
+
 }
diff --git a/util/grand/grand_z_bench_test.go b/util/grand/grand_z_bench_test.go
index fc3a165ca..dc2361c28 100644
--- a/util/grand/grand_z_bench_test.go
+++ b/util/grand/grand_z_bench_test.go
@@ -9,11 +9,12 @@
 package grand_test
 
 import (
-	"crypto/rand"
-	"encoding/binary"
-	"testing"
+	cryptoRand "crypto/rand"
+	mathRand "math/rand"
 
+	"encoding/binary"
 	"github.com/gogf/gf/util/grand"
+	"testing"
 )
 
 var (
@@ -23,15 +24,21 @@ var (
 	strForStr      = "我爱GoFrame"
 )
 
-func Benchmark_Rand_Buffer4(b *testing.B) {
+func Benchmark_Math_Rand_Int(b *testing.B) {
 	for i := 0; i < b.N; i++ {
-		rand.Read(randBuffer4)
+		mathRand.Int()
 	}
 }
 
-func Benchmark_Rand_Buffer1024(b *testing.B) {
+func Benchmark_CryptoRand_Buffer4(b *testing.B) {
 	for i := 0; i < b.N; i++ {
-		rand.Read(randBuffer1024)
+		cryptoRand.Read(randBuffer4)
+	}
+}
+
+func Benchmark_CryptoRand_Buffer1024(b *testing.B) {
+	for i := 0; i < b.N; i++ {
+		cryptoRand.Read(randBuffer1024)
 	}
 }
 
@@ -101,9 +108,9 @@ func Benchmark_Uint32Converting(b *testing.B) {
 	}
 }
 
-func Benchmark_Buffer(b *testing.B) {
+func Benchmark_CryptoRand_Buffer(b *testing.B) {
 	for i := 0; i < b.N; i++ {
-		if _, err := rand.Read(buffer); err == nil {
+		if _, err := cryptoRand.Read(buffer); err == nil {
 			binary.LittleEndian.Uint64(buffer)
 		}
 	}
diff --git a/util/gvalid/gvalid.go b/util/gvalid/gvalid.go
index 59a45dec4..136b37d87 100644
--- a/util/gvalid/gvalid.go
+++ b/util/gvalid/gvalid.go
@@ -1,4 +1,4 @@
-// Copyright 2017-2018 gf Author(https://github.com/gogf/gf). All Rights Reserved.
+// 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,
@@ -8,6 +8,7 @@
 package gvalid
 
 import (
+	"regexp"
 	"strings"
 
 	"github.com/gogf/gf/text/gregex"
@@ -62,6 +63,136 @@ import (
 // like: map[field] => string|map[rule]string
 type CustomMsg = map[string]interface{}
 
+const (
+	// regular expression pattern for single validation rule.
+	singleRulePattern   = `^([\w-]+):{0,1}(.*)`
+	invalidRulesErrKey  = "invalid_rules"
+	invalidParamsErrKey = "invalid_params"
+	invalidObjectErrKey = "invalid_object"
+)
+
+var (
+	// defaultValidator is the default validator for package functions.
+	defaultValidator = New()
+
+	// all internal error keys.
+	internalErrKeyMap = map[string]string{
+		invalidRulesErrKey:  invalidRulesErrKey,
+		invalidParamsErrKey: invalidParamsErrKey,
+		invalidObjectErrKey: invalidObjectErrKey,
+	}
+	// regular expression object for single rule
+	// which is compiled just once and of repeatable usage.
+	ruleRegex, _ = regexp.Compile(singleRulePattern)
+
+	// mustCheckRulesEvenValueEmpty specifies some rules that must be validated
+	// even the value is empty (nil or empty).
+	mustCheckRulesEvenValueEmpty = map[string]struct{}{
+		"required":             {},
+		"required-if":          {},
+		"required-unless":      {},
+		"required-with":        {},
+		"required-with-all":    {},
+		"required-without":     {},
+		"required-without-all": {},
+		//"same":                 {},
+		//"different":            {},
+		//"in":                   {},
+		//"not-in":               {},
+		//"regex":                {},
+	}
+	// allSupportedRules defines all supported rules that is used for quick checks.
+	allSupportedRules = map[string]struct{}{
+		"required":             {},
+		"required-if":          {},
+		"required-unless":      {},
+		"required-with":        {},
+		"required-with-all":    {},
+		"required-without":     {},
+		"required-without-all": {},
+		"date":                 {},
+		"date-format":          {},
+		"email":                {},
+		"phone":                {},
+		"phone-loose":          {},
+		"telephone":            {},
+		"passport":             {},
+		"password":             {},
+		"password2":            {},
+		"password3":            {},
+		"postcode":             {},
+		"resident-id":          {},
+		"bank-card":            {},
+		"qq":                   {},
+		"ip":                   {},
+		"ipv4":                 {},
+		"ipv6":                 {},
+		"mac":                  {},
+		"url":                  {},
+		"domain":               {},
+		"length":               {},
+		"min-length":           {},
+		"max-length":           {},
+		"between":              {},
+		"min":                  {},
+		"max":                  {},
+		"json":                 {},
+		"integer":              {},
+		"float":                {},
+		"boolean":              {},
+		"same":                 {},
+		"different":            {},
+		"in":                   {},
+		"not-in":               {},
+		"regex":                {},
+	}
+	// boolMap defines the boolean values.
+	boolMap = map[string]struct{}{
+		"1":     {},
+		"true":  {},
+		"on":    {},
+		"yes":   {},
+		"":      {},
+		"0":     {},
+		"false": {},
+		"off":   {},
+		"no":    {},
+	}
+)
+
+// Check checks single value with specified rules.
+// It returns nil if successful validation.
+//
+// The parameter <value> can be any type of variable, which will be converted to string
+// for validation.
+// The parameter <rules> can be one or more rules, multiple rules joined using char '|'.
+// The parameter <messages> specifies the custom error messages, which can be type of:
+// string/map/struct/*struct.
+// The optional parameter <params> specifies the extra validation parameters for some rules
+// like: required-*、same、different, etc.
+func Check(value interface{}, rules string, messages interface{}, params ...interface{}) *Error {
+	return defaultValidator.Check(value, rules, messages, params...)
+}
+
+// CheckMap validates map and returns the error result. It returns nil if with successful validation.
+//
+// The parameter <rules> can be type of []string/map[string]string. It supports sequence in error result
+// if <rules> is type of []string.
+// The optional parameter <messages> specifies the custom error messages for specified keys and rules.
+func CheckMap(params interface{}, rules interface{}, messages ...CustomMsg) *Error {
+	return defaultValidator.CheckMap(params, rules, messages...)
+}
+
+// CheckStruct validates strcut and returns the error result.
+//
+// The parameter <object> should be type of struct/*struct.
+// The parameter <rules> can be type of []string/map[string]string. It supports sequence in error result
+// if <rules> is type of []string.
+// The optional parameter <messages> specifies the custom error messages for specified keys and rules.
+func CheckStruct(object interface{}, rules interface{}, messages ...CustomMsg) *Error {
+	return defaultValidator.CheckStruct(object, rules, messages...)
+}
+
 // parseSequenceTag parses one sequence tag to field, rule and error message.
 // The sequence tag is like: [alias@]rule[...#msg...]
 func parseSequenceTag(tag string) (field, rule, msg string) {
diff --git a/util/gvalid/gvalid_validator.go b/util/gvalid/gvalid_validator.go
new file mode 100644
index 000000000..49c8505aa
--- /dev/null
+++ b/util/gvalid/gvalid_validator.go
@@ -0,0 +1,31 @@
+// 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 gvalid
+
+// Validator is the validation manager.
+type Validator struct {
+	i18nLang string // I18n language.
+}
+
+// New creates and returns a new Validator.
+func New() *Validator {
+	return &Validator{}
+}
+
+// Clone creates and returns a new Validator which is a shallow copy of current one.
+func (v *Validator) Clone() *Validator {
+	newValidator := New()
+	*newValidator = *v
+	return newValidator
+}
+
+// I18n is a chaining operation function which sets the I18n language for next validation.
+func (v *Validator) I18n(language string) *Validator {
+	newValidator := v.Clone()
+	newValidator.i18nLang = language
+	return newValidator
+}
diff --git a/util/gvalid/gvalid_check.go b/util/gvalid/gvalid_validator_check.go
similarity index 74%
rename from util/gvalid/gvalid_check.go
rename to util/gvalid/gvalid_validator_check.go
index 99e5c327f..035276256 100644
--- a/util/gvalid/gvalid_check.go
+++ b/util/gvalid/gvalid_validator_check.go
@@ -1,4 +1,4 @@
-// Copyright 2017-2018 gf Author(https://github.com/gogf/gf). All Rights Reserved.
+// 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,
@@ -14,105 +14,10 @@ import (
 	"github.com/gogf/gf/os/gtime"
 	"github.com/gogf/gf/text/gregex"
 	"github.com/gogf/gf/util/gconv"
-	"regexp"
 	"strconv"
 	"strings"
 )
 
-const (
-	// regular expression pattern for single validation rule.
-	singleRulePattern   = `^([\w-]+):{0,1}(.*)`
-	invalidRulesErrKey  = "invalid_rules"
-	invalidParamsErrKey = "invalid_params"
-	invalidObjectErrKey = "invalid_object"
-)
-
-var (
-	// all internal error keys.
-	internalErrKeyMap = map[string]string{
-		invalidRulesErrKey:  invalidRulesErrKey,
-		invalidParamsErrKey: invalidParamsErrKey,
-		invalidObjectErrKey: invalidObjectErrKey,
-	}
-	// regular expression object for single rule
-	// which is compiled just once and of repeatable usage.
-	ruleRegex, _ = regexp.Compile(singleRulePattern)
-
-	// mustCheckRulesEvenValueEmpty specifies some rules that must be validated
-	// even the value is empty (nil or empty).
-	mustCheckRulesEvenValueEmpty = map[string]struct{}{
-		"required":             {},
-		"required-if":          {},
-		"required-unless":      {},
-		"required-with":        {},
-		"required-with-all":    {},
-		"required-without":     {},
-		"required-without-all": {},
-		//"same":                 {},
-		//"different":            {},
-		//"in":                   {},
-		//"not-in":               {},
-		//"regex":                {},
-	}
-	// allSupportedRules defines all supported rules that is used for quick checks.
-	allSupportedRules = map[string]struct{}{
-		"required":             {},
-		"required-if":          {},
-		"required-unless":      {},
-		"required-with":        {},
-		"required-with-all":    {},
-		"required-without":     {},
-		"required-without-all": {},
-		"date":                 {},
-		"date-format":          {},
-		"email":                {},
-		"phone":                {},
-		"phone-loose":          {},
-		"telephone":            {},
-		"passport":             {},
-		"password":             {},
-		"password2":            {},
-		"password3":            {},
-		"postcode":             {},
-		"resident-id":          {},
-		"bank-card":            {},
-		"qq":                   {},
-		"ip":                   {},
-		"ipv4":                 {},
-		"ipv6":                 {},
-		"mac":                  {},
-		"url":                  {},
-		"domain":               {},
-		"length":               {},
-		"min-length":           {},
-		"max-length":           {},
-		"between":              {},
-		"min":                  {},
-		"max":                  {},
-		"json":                 {},
-		"integer":              {},
-		"float":                {},
-		"boolean":              {},
-		"same":                 {},
-		"different":            {},
-		"in":                   {},
-		"not-in":               {},
-		"regex":                {},
-	}
-	// boolMap defines the boolean values.
-	boolMap = map[string]struct{}{
-		"1":     {},
-		"true":  {},
-		"on":    {},
-		"yes":   {},
-		"":      {},
-		"0":     {},
-		"false": {},
-		"off":   {},
-		"no":    {},
-	}
-)
-
 // Check checks single value with specified rules.
 // It returns nil if successful validation.
 //
@@ -123,12 +28,12 @@ var (
 // string/map/struct/*struct.
 // The optional parameter <params> specifies the extra validation parameters for some rules
 // like: required-*、same、different, etc.
-func Check(value interface{}, rules string, messages interface{}, params ...interface{}) *Error {
-	return doCheck("", value, rules, messages, params...)
+func (v *Validator) Check(value interface{}, rules string, messages interface{}, params ...interface{}) *Error {
+	return v.doCheck("", value, rules, messages, params...)
 }
 
 // doCheck does the really rules validation for single key-value.
-func doCheck(key string, value interface{}, rules string, messages interface{}, params ...interface{}) *Error {
+func (v *Validator) doCheck(key string, value interface{}, rules string, messages interface{}, params ...interface{}) *Error {
 	// If there's no validation rules, it does nothing and returns quickly.
 	if rules == "" {
 		return nil
@@ -196,7 +101,7 @@ func doCheck(key string, value interface{}, rules string, messages interface{},
 			// It checks custom validation rules with most priority.
 			var (
 				dataMap map[string]interface{}
-				message = getErrorMessageByRule(ruleKey, customMsgMap)
+				message = v.getErrorMessageByRule(ruleKey, customMsgMap)
 			)
 			if len(params) > 0 {
 				dataMap = gconv.Map(params[0])
@@ -209,7 +114,7 @@ func doCheck(key string, value interface{}, rules string, messages interface{},
 			}
 		} else {
 			// It checks build-in validation rules if there's no custom rule.
-			match, err = doCheckBuildInRules(index, value, ruleKey, rulePattern, ruleItems, data, customMsgMap)
+			match, err = v.doCheckBuildInRules(index, value, ruleKey, rulePattern, ruleItems, data, customMsgMap)
 			if !match && err != nil {
 				errorMsgArray[ruleKey] = err.Error()
 			}
@@ -220,7 +125,7 @@ func doCheck(key string, value interface{}, rules string, messages interface{},
 			// It does nothing if the error message for this rule
 			// is already set in previous validation.
 			if _, ok := errorMsgArray[ruleKey]; !ok {
-				errorMsgArray[ruleKey] = getErrorMessageByRule(ruleKey, customMsgMap)
+				errorMsgArray[ruleKey] = v.getErrorMessageByRule(ruleKey, customMsgMap)
 			}
 		}
 		index++
@@ -233,7 +138,7 @@ func doCheck(key string, value interface{}, rules string, messages interface{},
 	return nil
 }
 
-func doCheckBuildInRules(
+func (v *Validator) doCheckBuildInRules(
 	index int,
 	value interface{},
 	ruleKey string,
@@ -253,7 +158,7 @@ func doCheckBuildInRules(
 		"required-with-all",
 		"required-without",
 		"required-without-all":
-		match = checkRequired(valueStr, ruleKey, rulePattern, dataMap)
+		match = v.checkRequired(valueStr, ruleKey, rulePattern, dataMap)
 
 	// Length rules.
 	// It also supports length of unicode string.
@@ -261,7 +166,7 @@ func doCheckBuildInRules(
 		"length",
 		"min-length",
 		"max-length":
-		if msg := checkLength(valueStr, ruleKey, rulePattern, customMsgMap); msg != "" {
+		if msg := v.checkLength(valueStr, ruleKey, rulePattern, customMsgMap); msg != "" {
 			return match, errors.New(msg)
 		} else {
 			match = true
@@ -272,7 +177,7 @@ func doCheckBuildInRules(
 		"min",
 		"max",
 		"between":
-		if msg := checkRange(valueStr, ruleKey, rulePattern, customMsgMap); msg != "" {
+		if msg := v.checkRange(valueStr, ruleKey, rulePattern, customMsgMap); msg != "" {
 			return match, errors.New(msg)
 		} else {
 			match = true
@@ -308,7 +213,7 @@ func doCheckBuildInRules(
 			match = true
 		} else {
 			var msg string
-			msg = getErrorMessageByRule(ruleKey, customMsgMap)
+			msg = v.getErrorMessageByRule(ruleKey, customMsgMap)
 			msg = strings.Replace(msg, ":format", rulePattern, -1)
 			return match, errors.New(msg)
 		}
@@ -322,7 +227,7 @@ func doCheckBuildInRules(
 		}
 		if !match {
 			var msg string
-			msg = getErrorMessageByRule(ruleKey, customMsgMap)
+			msg = v.getErrorMessageByRule(ruleKey, customMsgMap)
 			msg = strings.Replace(msg, ":field", rulePattern, -1)
 			return match, errors.New(msg)
 		}
@@ -337,7 +242,7 @@ func doCheckBuildInRules(
 		}
 		if !match {
 			var msg string
-			msg = getErrorMessageByRule(ruleKey, customMsgMap)
+			msg = v.getErrorMessageByRule(ruleKey, customMsgMap)
 			msg = strings.Replace(msg, ":field", rulePattern, -1)
 			return match, errors.New(msg)
 		}
@@ -430,11 +335,11 @@ func doCheckBuildInRules(
 	// 总：
 	// (^[1-9]\d{5}(18|19|([23]\d))\d{2}((0[1-9])|(10|11|12))(([0-2][1-9])|10|20|30|31)\d{3}[0-9Xx]$)|(^[1-9]\d{5}\d{2}((0[1-9])|(10|11|12))(([0-2][1-9])|10|20|30|31)\d{3}$)
 	case "resident-id":
-		match = checkResidentId(valueStr)
+		match = v.checkResidentId(valueStr)
 
 	// Bank card number using LUHN algorithm.
 	case "bank-card":
-		match = checkLuHn(valueStr)
+		match = v.checkLuHn(valueStr)
 
 	// Universal passport format rule:
 	// Starting with letter, containing only numbers or underscores, length between 6 and 18.
diff --git a/util/gvalid/gvalid_check_map.go b/util/gvalid/gvalid_validator_check_map.go
similarity index 93%
rename from util/gvalid/gvalid_check_map.go
rename to util/gvalid/gvalid_validator_check_map.go
index ca5a754f8..195253743 100644
--- a/util/gvalid/gvalid_check_map.go
+++ b/util/gvalid/gvalid_validator_check_map.go
@@ -1,4 +1,4 @@
-// Copyright 2017-2018 gf Author(https://github.com/gogf/gf). All Rights Reserved.
+// 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,
@@ -7,9 +7,8 @@
 package gvalid
 
 import (
-	"strings"
-
 	"github.com/gogf/gf/util/gconv"
+	"strings"
 )
 
 // CheckMap validates map and returns the error result. It returns nil if with successful validation.
@@ -17,7 +16,7 @@ import (
 // The parameter <rules> can be type of []string/map[string]string. It supports sequence in error result
 // if <rules> is type of []string.
 // The optional parameter <messages> specifies the custom error messages for specified keys and rules.
-func CheckMap(params interface{}, rules interface{}, messages ...CustomMsg) *Error {
+func (v *Validator) CheckMap(params interface{}, rules interface{}, messages ...CustomMsg) *Error {
 	// If there's no validation rules, it does nothing and returns quickly.
 	if params == nil || rules == nil {
 		return nil
@@ -96,7 +95,7 @@ func CheckMap(params interface{}, rules interface{}, messages ...CustomMsg) *Err
 			value = v
 		}
 		// It checks each rule and its value in loop.
-		if e := doCheck(key, value, rule, customMsgs[key], data); e != nil {
+		if e := v.doCheck(key, value, rule, customMsgs[key], data); e != nil {
 			_, item := e.FirstItem()
 			// ===========================================================
 			// Only in map and struct validations, if value is nil or empty
diff --git a/util/gvalid/gvalid_check_struct.go b/util/gvalid/gvalid_validator_check_struct.go
similarity index 96%
rename from util/gvalid/gvalid_check_struct.go
rename to util/gvalid/gvalid_validator_check_struct.go
index 69fee0430..9fe1b105d 100644
--- a/util/gvalid/gvalid_check_struct.go
+++ b/util/gvalid/gvalid_validator_check_struct.go
@@ -1,4 +1,4 @@
-// Copyright 2017-2018 gf Author(https://github.com/gogf/gf). All Rights Reserved.
+// 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,
@@ -7,10 +7,9 @@
 package gvalid
 
 import (
-	"strings"
-
 	"github.com/gogf/gf/internal/structs"
 	"github.com/gogf/gf/util/gconv"
+	"strings"
 )
 
 var (
@@ -24,7 +23,7 @@ var (
 // The parameter <rules> can be type of []string/map[string]string. It supports sequence in error result
 // if <rules> is type of []string.
 // The optional parameter <messages> specifies the custom error messages for specified keys and rules.
-func CheckStruct(object interface{}, rules interface{}, messages ...CustomMsg) *Error {
+func (v *Validator) CheckStruct(object interface{}, rules interface{}, messages ...CustomMsg) *Error {
 	// It here must use structs.TagFields not structs.MapField to ensure error sequence.
 	tagField, err := structs.TagFields(object, structTagPriority)
 	if err != nil {
@@ -166,7 +165,7 @@ func CheckStruct(object interface{}, rules interface{}, messages ...CustomMsg) *
 			value = v
 		}
 		// It checks each rule and its value in loop.
-		if e := doCheck(key, value, rule, customMessage[key], params); e != nil {
+		if e := v.doCheck(key, value, rule, customMessage[key], params); e != nil {
 			_, item := e.FirstItem()
 			// ===========================================================
 			// Only in map and struct validations, if value is nil or empty
diff --git a/util/gvalid/gvalid_message.go b/util/gvalid/gvalid_validator_message.go
similarity index 94%
rename from util/gvalid/gvalid_message.go
rename to util/gvalid/gvalid_validator_message.go
index c3b6e6c2b..56bf17251 100644
--- a/util/gvalid/gvalid_message.go
+++ b/util/gvalid/gvalid_validator_message.go
@@ -1,4 +1,4 @@
-// Copyright 2018 gf Author(https://github.com/gogf/gf). All Rights Reserved.
+// 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,
@@ -63,18 +63,18 @@ var defaultMessages = map[string]string{
 // getErrorMessageByRule retrieves and returns the error message for specified rule.
 // It firstly retrieves the message from custom message map, and then checks i18n manager,
 // it returns the default error message if it's not found in custom message map or i18n manager.
-func getErrorMessageByRule(ruleKey string, customMsgMap map[string]string) string {
+func (v *Validator) getErrorMessageByRule(ruleKey string, customMsgMap map[string]string) string {
 	content := customMsgMap[ruleKey]
 	if content != "" {
 		return content
 	}
-	content = gi18n.GetContent(fmt.Sprintf(`gf.gvalid.rule.%s`, ruleKey))
+	content = gi18n.GetContent(fmt.Sprintf(`gf.gvalid.rule.%s`, ruleKey), v.i18nLang)
 	if content == "" {
 		content = defaultMessages[ruleKey]
 	}
 	// If there's no configured rule message, it uses default one.
 	if content == "" {
-		content = gi18n.GetContent(`gf.gvalid.rule.__default__`)
+		content = gi18n.GetContent(`gf.gvalid.rule.__default__`, v.i18nLang)
 		if content == "" {
 			content = defaultMessages["__default__"]
 		}
diff --git a/util/gvalid/gvalid_rule_length.go b/util/gvalid/gvalid_validator_rule_length.go
similarity index 80%
rename from util/gvalid/gvalid_rule_length.go
rename to util/gvalid/gvalid_validator_rule_length.go
index 7d67284f8..df0f36189 100644
--- a/util/gvalid/gvalid_rule_length.go
+++ b/util/gvalid/gvalid_validator_rule_length.go
@@ -1,4 +1,4 @@
-// Copyright 2018 gf Author(https://github.com/gogf/gf). All Rights Reserved.
+// 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,
@@ -15,7 +15,7 @@ import (
 // checkLength checks <value> using length rules.
 // The length is calculated using unicode string, which means one chinese character or letter
 // both has the length of 1.
-func checkLength(value, ruleKey, ruleVal string, customMsgMap map[string]string) string {
+func (v *Validator) checkLength(value, ruleKey, ruleVal string, customMsgMap map[string]string) string {
 	var (
 		msg       = ""
 		runeArray = gconv.Runes(value)
@@ -39,7 +39,7 @@ func checkLength(value, ruleKey, ruleVal string, customMsgMap map[string]string)
 			}
 		}
 		if valueLen < min || valueLen > max {
-			msg = getErrorMessageByRule(ruleKey, customMsgMap)
+			msg = v.getErrorMessageByRule(ruleKey, customMsgMap)
 			msg = strings.Replace(msg, ":min", strconv.Itoa(min), -1)
 			msg = strings.Replace(msg, ":max", strconv.Itoa(max), -1)
 			return msg
@@ -48,14 +48,14 @@ func checkLength(value, ruleKey, ruleVal string, customMsgMap map[string]string)
 	case "min-length":
 		min, err := strconv.Atoi(ruleVal)
 		if valueLen < min || err != nil {
-			msg = getErrorMessageByRule(ruleKey, customMsgMap)
+			msg = v.getErrorMessageByRule(ruleKey, customMsgMap)
 			msg = strings.Replace(msg, ":min", strconv.Itoa(min), -1)
 		}
 
 	case "max-length":
 		max, err := strconv.Atoi(ruleVal)
 		if valueLen > max || err != nil {
-			msg = getErrorMessageByRule(ruleKey, customMsgMap)
+			msg = v.getErrorMessageByRule(ruleKey, customMsgMap)
 			msg = strings.Replace(msg, ":max", strconv.Itoa(max), -1)
 		}
 	}
diff --git a/util/gvalid/gvalid_rule_luhn.go b/util/gvalid/gvalid_validator_rule_luhn.go
similarity index 82%
rename from util/gvalid/gvalid_rule_luhn.go
rename to util/gvalid/gvalid_validator_rule_luhn.go
index ed8983dae..d6eff5fd1 100644
--- a/util/gvalid/gvalid_rule_luhn.go
+++ b/util/gvalid/gvalid_validator_rule_luhn.go
@@ -1,4 +1,4 @@
-// Copyright 2018 gf Author(https://github.com/gogf/gf). All Rights Reserved.
+// 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,
@@ -8,7 +8,7 @@ package gvalid
 
 // checkLuHn checks <value> with LUHN algorithm.
 // It's usually used for bank card number validation.
-func checkLuHn(value string) bool {
+func (v *Validator) checkLuHn(value string) bool {
 	var (
 		sum     = 0
 		nDigits = len(value)
diff --git a/util/gvalid/gvalid_rule_range.go b/util/gvalid/gvalid_validator_rule_range.go
similarity index 76%
rename from util/gvalid/gvalid_rule_range.go
rename to util/gvalid/gvalid_validator_rule_range.go
index 1993f2ac8..7730cd610 100644
--- a/util/gvalid/gvalid_rule_range.go
+++ b/util/gvalid/gvalid_validator_rule_range.go
@@ -1,4 +1,4 @@
-// Copyright 2018 gf Author(https://github.com/gogf/gf). All Rights Reserved.
+// 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,
@@ -12,7 +12,7 @@ import (
 )
 
 // checkRange checks <value> using range rules.
-func checkRange(value, ruleKey, ruleVal string, customMsgMap map[string]string) string {
+func (v *Validator) checkRange(value, ruleKey, ruleVal string, customMsgMap map[string]string) string {
 	msg := ""
 	switch ruleKey {
 	// Value range.
@@ -30,9 +30,9 @@ func checkRange(value, ruleKey, ruleVal string, customMsgMap map[string]string)
 				max = v
 			}
 		}
-		v, err := strconv.ParseFloat(value, 10)
-		if v < min || v > max || err != nil {
-			msg = getErrorMessageByRule(ruleKey, customMsgMap)
+		valueF, err := strconv.ParseFloat(value, 10)
+		if valueF < min || valueF > max || err != nil {
+			msg = v.getErrorMessageByRule(ruleKey, customMsgMap)
 			msg = strings.Replace(msg, ":min", strconv.FormatFloat(min, 'f', -1, 64), -1)
 			msg = strings.Replace(msg, ":max", strconv.FormatFloat(max, 'f', -1, 64), -1)
 		}
@@ -44,7 +44,7 @@ func checkRange(value, ruleKey, ruleVal string, customMsgMap map[string]string)
 			valueN, err2 = strconv.ParseFloat(value, 10)
 		)
 		if valueN < min || err1 != nil || err2 != nil {
-			msg = getErrorMessageByRule(ruleKey, customMsgMap)
+			msg = v.getErrorMessageByRule(ruleKey, customMsgMap)
 			msg = strings.Replace(msg, ":min", strconv.FormatFloat(min, 'f', -1, 64), -1)
 		}
 
@@ -55,7 +55,7 @@ func checkRange(value, ruleKey, ruleVal string, customMsgMap map[string]string)
 			valueN, err2 = strconv.ParseFloat(value, 10)
 		)
 		if valueN > max || err1 != nil || err2 != nil {
-			msg = getErrorMessageByRule(ruleKey, customMsgMap)
+			msg = v.getErrorMessageByRule(ruleKey, customMsgMap)
 			msg = strings.Replace(msg, ":max", strconv.FormatFloat(max, 'f', -1, 64), -1)
 		}
 
diff --git a/util/gvalid/gvalid_rule_required.go b/util/gvalid/gvalid_validator_rule_required.go
similarity index 93%
rename from util/gvalid/gvalid_rule_required.go
rename to util/gvalid/gvalid_validator_rule_required.go
index c92456788..0578e3212 100644
--- a/util/gvalid/gvalid_rule_required.go
+++ b/util/gvalid/gvalid_validator_rule_required.go
@@ -1,4 +1,4 @@
-// Copyright 2018 gf Author(https://github.com/gogf/gf). All Rights Reserved.
+// 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,
@@ -11,7 +11,7 @@ import (
 )
 
 // checkRequired checks <value> using required rules.
-func checkRequired(value, ruleKey, ruleVal string, params map[string]string) bool {
+func (v *Validator) checkRequired(value, ruleKey, ruleVal string, params map[string]string) bool {
 	required := false
 	switch ruleKey {
 	// Required.
diff --git a/util/gvalid/gvalid_rule_resident_id.go b/util/gvalid/gvalid_validator_rule_resident_id.go
similarity index 93%
rename from util/gvalid/gvalid_rule_resident_id.go
rename to util/gvalid/gvalid_validator_rule_resident_id.go
index b43cc952d..8a83e949b 100644
--- a/util/gvalid/gvalid_rule_resident_id.go
+++ b/util/gvalid/gvalid_validator_rule_resident_id.go
@@ -1,4 +1,4 @@
-// Copyright 2018 gf Author(https://github.com/gogf/gf). All Rights Reserved.
+// 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,
@@ -32,7 +32,7 @@ import (
 //
 // 总：
 // (^[1-9]\d{5}(18|19|([23]\d))\d{2}((0[1-9])|(10|11|12))(([0-2][1-9])|10|20|30|31)\d{3}[0-9Xx]$)|(^[1-9]\d{5}\d{2}((0[1-9])|(10|11|12))(([0-2][1-9])|10|20|30|31)\d{3}$)
-func checkResidentId(id string) bool {
+func (v *Validator) checkResidentId(id string) bool {
 	id = strings.ToUpper(strings.TrimSpace(id))
 	if len(id) != 18 {
 		return false
diff --git a/util/gvalid/gvalid_unit_basic_all_test.go b/util/gvalid/gvalid_z_unit_basic_all_test.go
similarity index 99%
rename from util/gvalid/gvalid_unit_basic_all_test.go
rename to util/gvalid/gvalid_z_unit_basic_all_test.go
index b1aea6849..81861aa14 100755
--- a/util/gvalid/gvalid_unit_basic_all_test.go
+++ b/util/gvalid/gvalid_z_unit_basic_all_test.go
@@ -1,4 +1,4 @@
-// Copyright 2017 gf Author(https://github.com/gogf/gf). All Rights Reserved.
+// 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,
diff --git a/util/gvalid/gvalid_unit_checkmap_test.go b/util/gvalid/gvalid_z_unit_checkmap_test.go
similarity index 98%
rename from util/gvalid/gvalid_unit_checkmap_test.go
rename to util/gvalid/gvalid_z_unit_checkmap_test.go
index e29d9104a..4660ebf21 100755
--- a/util/gvalid/gvalid_unit_checkmap_test.go
+++ b/util/gvalid/gvalid_z_unit_checkmap_test.go
@@ -1,4 +1,4 @@
-// Copyright GoFrame Author(https://github.com/gogf/gf). All Rights Reserved.
+// 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,
diff --git a/util/gvalid/gvalid_unit_checkstruct_test.go b/util/gvalid/gvalid_z_unit_checkstruct_test.go
similarity index 99%
rename from util/gvalid/gvalid_unit_checkstruct_test.go
rename to util/gvalid/gvalid_z_unit_checkstruct_test.go
index 3e9f3aae5..4f630acae 100755
--- a/util/gvalid/gvalid_unit_checkstruct_test.go
+++ b/util/gvalid/gvalid_z_unit_checkstruct_test.go
@@ -1,4 +1,4 @@
-// Copyright GoFrame Author(https://github.com/gogf/gf). All Rights Reserved.
+// 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,
diff --git a/util/gvalid/gvalid_unit_custom_rule_test.go b/util/gvalid/gvalid_z_unit_custom_rule_test.go
similarity index 98%
rename from util/gvalid/gvalid_unit_custom_rule_test.go
rename to util/gvalid/gvalid_z_unit_custom_rule_test.go
index b6ec82d69..2fdc36a92 100644
--- a/util/gvalid/gvalid_unit_custom_rule_test.go
+++ b/util/gvalid/gvalid_z_unit_custom_rule_test.go
@@ -1,4 +1,4 @@
-// Copyright 2019 gf Author(https://github.com/gogf/gf). All Rights Reserved.
+// 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,
diff --git a/util/gvalid/gvalid_unit_customerror_test.go b/util/gvalid/gvalid_z_unit_customerror_test.go
similarity index 96%
rename from util/gvalid/gvalid_unit_customerror_test.go
rename to util/gvalid/gvalid_z_unit_customerror_test.go
index ef76bb6bc..9f73afa4b 100755
--- a/util/gvalid/gvalid_unit_customerror_test.go
+++ b/util/gvalid/gvalid_z_unit_customerror_test.go
@@ -1,4 +1,4 @@
-// Copyright 2019 gf Author(https://github.com/gogf/gf). All Rights Reserved.
+// 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,
diff --git a/util/gvalid/gvalid_unit_internal_test.go b/util/gvalid/gvalid_z_unit_internal_test.go
similarity index 94%
rename from util/gvalid/gvalid_unit_internal_test.go
rename to util/gvalid/gvalid_z_unit_internal_test.go
index 6a68cd6f2..89d38dcd6 100644
--- a/util/gvalid/gvalid_unit_internal_test.go
+++ b/util/gvalid/gvalid_z_unit_internal_test.go
@@ -1,4 +1,4 @@
-// Copyright 2020 gf Author(https://github.com/gogf/gf). All Rights Reserved.
+// 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,
diff --git a/version.go b/version.go
index 3bf3e1b03..82df3b549 100644
--- a/version.go
+++ b/version.go
@@ -1,4 +1,4 @@
 package gf
 
-const VERSION = "v1.15.0"
+const VERSION = "v1.15.1"
 const AUTHORS = "john<john@goframe.org>"