diff --git a/g/database/gdb/gdb.go b/g/database/gdb/gdb.go
index 8a811563a..50256a701 100644
--- a/g/database/gdb/gdb.go
+++ b/g/database/gdb/gdb.go
@@ -97,11 +97,13 @@ type Record  map[string]Value
 // 返回数据表记录List
 type Result  []Record
 
-// 关联数组，绑定一条数据表记录
-type Map     map[string]interface{}
 
-// 关联数组列表(索引从0开始的数组)，绑定多条记录
-type List    []Map
+// 关联数组，绑定一条数据表记录(使用别名)
+type Map     = map[string]interface{}
+
+// 关联数组列表(索引从0开始的数组)，绑定多条记录(使用别名)
+type List    = []Map
+
 
 // MySQL接口对象
 var linkMysql = &dbmysql{}
diff --git a/g/database/gdb/gdb_base.go b/g/database/gdb/gdb_base.go
index 45eca9c9a..cc02d4518 100644
--- a/g/database/gdb/gdb_base.go
+++ b/g/database/gdb/gdb_base.go
@@ -228,11 +228,11 @@ func (db *Db) getInsertOperationByOption(option uint8) string {
 // 2: save:    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
 // 3: ignore:  如果数据存在(主键或者唯一索引)，那么什么也不做
 func (db *Db) insert(table string, data Map, option uint8) (sql.Result, error) {
-    var keys   []string
+    var fields []string
     var values []string
     var params []interface{}
     for k, v := range data {
-        keys   = append(keys,   db.charl + k + db.charr)
+        fields = append(fields,   db.charl + k + db.charr)
         values = append(values, "?")
         params = append(params, v)
     }
@@ -247,7 +247,7 @@ func (db *Db) insert(table string, data Map, option uint8) (sql.Result, error) {
     }
     return db.Exec(
         fmt.Sprintf("%s INTO %s%s%s(%s) VALUES(%s) %s",
-            operation, db.charl, table, db.charr, strings.Join(keys, ","), strings.Join(values, ","), updatestr), params...
+            operation, db.charl, table, db.charr, strings.Join(fields, ","), strings.Join(values, ","), updatestr), params...
     )
 }
 
@@ -345,10 +345,10 @@ func (db *Db) Update(table string, data interface{}, condition interface{}, args
         var fields []string
         keys := refValue.MapKeys()
         for _, k := range keys {
-            fields  = append(fields, fmt.Sprintf("%s%s%s=?", db.charl, k, db.charr))
-            params  = append(params, gconv.String(refValue.MapIndex(k).Interface()))
-            updates = strings.Join(fields,   ",")
+            fields = append(fields, fmt.Sprintf("%s%s%s=?", db.charl, k, db.charr))
+            params = append(params, gconv.String(refValue.MapIndex(k).Interface()))
         }
+        updates = strings.Join(fields, ",")
     } else {
         updates = gconv.String(data)
     }
diff --git a/g/database/gdb/gdb_model.go b/g/database/gdb/gdb_model.go
index 3fa2a6401..8a32d77be 100644
--- a/g/database/gdb/gdb_model.go
+++ b/g/database/gdb/gdb_model.go
@@ -137,6 +137,9 @@ func (md *Model) Data(data...interface{}) (*Model) {
 
 // 链式操作， CURD - Insert/BatchInsert
 func (md *Model) Insert() (sql.Result, error) {
+    if md.data == nil {
+        return nil, errors.New("inserting into table with empty data")
+    }
     // 批量操作
     if list, ok :=  md.data.(List); ok {
         batch := 10
@@ -148,12 +151,7 @@ func (md *Model) Insert() (sql.Result, error) {
         } else {
             return md.tx.BatchInsert(md.tables, list, batch)
         }
-    }
-    // 记录操作
-    if md.data == nil {
-        return nil, errors.New("inserting into table with empty data")
-    }
-    if dataMap, ok :=  md.data.(Map); ok {
+    } else if dataMap, ok := md.data.(Map); ok {
         if md.tx == nil {
             return md.db.Insert(md.tables, dataMap)
         } else {
@@ -165,6 +163,9 @@ func (md *Model) Insert() (sql.Result, error) {
 
 // 链式操作， CURD - Replace/BatchReplace
 func (md *Model) Replace() (sql.Result, error) {
+    if md.data == nil {
+        return nil, errors.New("replacing into table with empty data")
+    }
     // 批量操作
     if list, ok :=  md.data.(List); ok {
         batch := 10
@@ -176,12 +177,7 @@ func (md *Model) Replace() (sql.Result, error) {
         } else {
             return md.tx.BatchReplace(md.tables, list, batch)
         }
-    }
-    // 记录操作
-    if md.data == nil {
-        return nil, errors.New("replacing into table with empty data")
-    }
-    if dataMap, ok :=  md.data.(Map); ok {
+    } else if dataMap, ok :=  md.data.(Map); ok {
         if md.tx == nil {
             return md.db.Insert(md.tables, dataMap)
         } else {
@@ -193,6 +189,9 @@ func (md *Model) Replace() (sql.Result, error) {
 
 // 链式操作， CURD - Save/BatchSave
 func (md *Model) Save() (sql.Result, error) {
+    if md.data == nil {
+        return nil, errors.New("replacing into table with empty data")
+    }
     // 批量操作
     if list, ok :=  md.data.(List); ok {
         batch := 10
@@ -204,12 +203,7 @@ func (md *Model) Save() (sql.Result, error) {
         } else {
             return md.tx.BatchSave(md.tables, list, batch)
         }
-    }
-    // 记录操作
-    if md.data == nil {
-        return nil, errors.New("saving into table with empty data")
-    }
-    if dataMap, ok :=  md.data.(Map); ok {
+    } else if dataMap, ok :=  md.data.(Map); ok {
         if md.tx == nil {
             return md.db.Save(md.tables, dataMap)
         } else {
diff --git a/g/g.go b/g/g.go
index 8f399bca6..430ab82be 100644
--- a/g/g.go
+++ b/g/g.go
@@ -26,11 +26,11 @@ const (
     gIS_DATABASE_CONFIG_CACHED = "gf.core.component.database.cached"
 )
 
-// 常用map数据结构
-type Map map[string]interface{}
+// 常用map数据结构(使用别名)
+type Map  = map[string]interface{}
 
-// 常用list数据结构
-type List []Map
+// 常用list数据结构(使用别名)
+type List = []Map
 
 
 // 阻塞等待HTTPServer执行完成(同一进程多HTTPServer情况下)
diff --git a/geg/database/mysql/mysql.go b/geg/database/mysql/mysql.go
index 8278e0e92..427548548 100644
--- a/geg/database/mysql/mysql.go
+++ b/geg/database/mysql/mysql.go
@@ -477,7 +477,9 @@ func mapToStruct() {
 }
 
 func main() {
-    r, err := db.Table("user").Where("name = ?", "'jack'; delete from `user`").All()
+    r, err := db.Table("user").Data([]map[string]interface{}{
+        map[string]interface{}{"name" : "john11111"},
+    }).Insert()
     fmt.Println(r)
     fmt.Println(err)
     //create()
@@ -498,7 +500,9 @@ func main() {
     //linkopUpdate2()
     //linkopUpdate3()
     //linkopUpdate4()
-    //keepPing()
+    //
     //transaction1()
     //transaction2()
+    //
+    //keepPing()
 }
\ No newline at end of file