diff --git a/g/database/gdb/gdb.go b/g/database/gdb/gdb.go
index 9fc5ec0e3..26b201b9e 100644
--- a/g/database/gdb/gdb.go
+++ b/g/database/gdb/gdb.go
@@ -148,6 +148,7 @@ func New(groupName...string) (*Db, error) {
         if len(masterList) < 1 {
             return nil, errors.New("at least one master node configuration's need to make sense")
         }
+
         masterNode := getConfigNodeByPriority(&masterList)
         var slaveNode *ConfigNode
         if len(slaveList) > 0 {
diff --git a/g/database/gdb/gdb_base.go b/g/database/gdb/gdb_base.go
index 15f1c6bd1..a0d8bc21c 100644
--- a/g/database/gdb/gdb_base.go
+++ b/g/database/gdb/gdb_base.go
@@ -207,17 +207,17 @@ func (db *Db) insert(table string, data Map, option uint8) (sql.Result, error) {
 
 // CURD操作:单条数据写入, 仅仅执行写入操作，如果存在冲突的主键或者唯一索引，那么报错返回
 func (db *Db) Insert(table string, data Map) (sql.Result, error) {
-    return db.link.insert(table, data, OPTION_INSERT)
+    return db.insert(table, data, OPTION_INSERT)
 }
 
 // CURD操作:单条数据写入, 如果数据存在(主键或者唯一索引)，那么删除后重新写入一条
 func (db *Db) Replace(table string, data Map) (sql.Result, error) {
-    return db.link.insert(table, data, OPTION_REPLACE)
+    return db.insert(table, data, OPTION_REPLACE)
 }
 
 // CURD操作:单条数据写入, 如果数据存在(主键或者唯一索引)，那么更新，否则写入一条新数据
 func (db *Db) Save(table string, data Map) (sql.Result, error) {
-    return db.link.insert(table, data, OPTION_SAVE)
+    return db.insert(table, data, OPTION_SAVE)
 }
 
 // 批量写入数据
@@ -276,17 +276,17 @@ func (db *Db) batchInsert(table string, list List, batch int, option uint8) (sql
 
 // CURD操作:批量数据指定批次量写入
 func (db *Db) BatchInsert(table string, list List, batch int) (sql.Result, error) {
-    return db.link.batchInsert(table, list, batch, OPTION_INSERT)
+    return db.batchInsert(table, list, batch, OPTION_INSERT)
 }
 
 // CURD操作:批量数据指定批次量写入, 如果数据存在(主键或者唯一索引)，那么删除后重新写入一条
 func (db *Db) BatchReplace(table string, list List, batch int) (sql.Result, error) {
-    return db.link.batchInsert(table, list, batch, OPTION_REPLACE)
+    return db.batchInsert(table, list, batch, OPTION_REPLACE)
 }
 
 // CURD操作:批量数据指定批次量写入, 如果数据存在(主键或者唯一索引)，那么更新，否则写入一条新数据
 func (db *Db) BatchSave(table string, list List, batch int) (sql.Result, error) {
-    return db.link.batchInsert(table, list, batch, OPTION_SAVE)
+    return db.batchInsert(table, list, batch, OPTION_SAVE)
 }
 
 // CURD操作:数据更新，统一采用sql预处理
diff --git a/geg/database/mysql/mysql.go b/geg/database/mysql/mysql.go
index ef4c52abe..2ea305c66 100644
--- a/geg/database/mysql/mysql.go
+++ b/geg/database/mysql/mysql.go
@@ -16,7 +16,7 @@ func init () {
         Host    : "127.0.0.1",
         Port    : "3306",
         User    : "root",
-        Pass    : "123456",
+        Pass    : "8692651",
         Name    : "test",
         Type    : "mysql",
         Role    : "master",
@@ -438,23 +438,23 @@ func instance() {
 
 func main() {
 
-    //create()
-    //create()
-    //insert()
-    //query()
-    //replace()
-    //save()
-    //batchInsert()
-    //update1()
-    //update2()
-    //update3()
-    //linkopSelect1()
-    //linkopSelect2()
-    //linkopSelect3()
-    //linkopUpdate1()
-    //linkopUpdate2()
-    //linkopUpdate3()
+    create()
+    create()
+    insert()
+    query()
+    replace()
+    save()
+    batchInsert()
+    update1()
+    update2()
+    update3()
+    linkopSelect1()
+    linkopSelect2()
+    linkopSelect3()
+    linkopUpdate1()
+    linkopUpdate2()
+    linkopUpdate3()
     //keepPing()
-    transaction1()
-    transaction2()
+    //transaction1()
+    //transaction2()
 }
\ No newline at end of file
diff --git a/geg/other/test.go b/geg/other/test.go
index 9cdf07053..4bed28c4b 100644
--- a/geg/other/test.go
+++ b/geg/other/test.go
@@ -1,38 +1,56 @@
 package main
 
 import (
+    "gitee.com/johng/gf/g/database/gdb"
     "fmt"
-    "gitee.com/johng/gf/g/util/gidgen"
 )
 
-func main() {
-    g := gidgen.New(2)
-    for i := 0; i < 11; i++ {
-        fmt.Println(g.Int())
-    }
-    g.Close()
-    fmt.Println(g.Uint())
-    //events2 := make(chan int, 100)
-    //go func() {
-    //    for{
-    //        v := <- events1
-    //        fmt.Println(v)
-    //    }
-    //
-    //}()
+type Model struct {
+    TableName string
+}
 
-    //go func() {
-    //    time.Sleep(2*time.Second)
-    //    events1 <- 1
-    //    events2 <- 2
-    //    time.Sleep(2*time.Second)
-    //    close(events1)
-    //    close(events2)
-    //    events1 <- 1
-    //    events2 <- 2
-    //}()
-    //
-    //select {
-    //
-    //}
+var Db *gdb.Db
+
+func init() {
+    gdb.AddDefaultConfigNode(gdb.ConfigNode {
+        Host    : "127.0.0.1",
+        Port    : "3306",
+        User    : "root",
+        Pass    : "123456",
+        Name    : "test",
+        Type    : "mysql",
+        Role    : "master",
+        Charset : "utf8",
+    })
+    var err error
+    Db, err = gdb.Instance()
+    checkErr(err)
+}
+
+func checkErr(err error) {
+    if err != nil {
+        panic(err)
+    }
+}
+
+type UserModel struct {
+    Model
+}
+
+func (u *UserModel) Get() (user gdb.Map){
+    user, _ = Db.Table("user").Fields("uid, nickname, email").Where("uid = ?", 15).One()
+    return
+}
+
+func (u *UserModel) Insert(data gdb.Map) (id int64) {
+    ret, _ := Db.Table("user").Data(data).Insert()
+    id, _   = ret.LastInsertId()
+    return
+}
+
+func main() {
+    u    := &UserModel{}
+    user := u.Get()
+    fmt.Println(user)
+    u.Insert(gdb.Map{"uid": 100, "name": "jack"})
 }
\ No newline at end of file