diff --git a/g/database/gdb/gdb_model.go b/g/database/gdb/gdb_model.go
index f2ab4d437..9e026df62 100644
--- a/g/database/gdb/gdb_model.go
+++ b/g/database/gdb/gdb_model.go
@@ -3,8 +3,6 @@
 // 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.
-//
-// @author john, ymrjqyy
 
 package gdb
 
diff --git a/g/database/gdb/gdb_mssql.go b/g/database/gdb/gdb_mssql.go
index c0a1fff85..9d8f1ad0f 100644
--- a/g/database/gdb/gdb_mssql.go
+++ b/g/database/gdb/gdb_mssql.go
@@ -3,23 +3,21 @@
 // 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.
-/*
-@author wenzi1<liyz23@qq.com>
-@date 20181109
-说明：
-    1.需要导入sqlserver驱动： github.com/denisenkom/go-mssqldb
-    2.不支持save/replace方法
-    3.不支持LastInsertId方法
-*/
+// 说明：
+//    1.需要导入sqlserver驱动： github.com/denisenkom/go-mssqldb
+//    2.不支持save/replace方法
+//    3.不支持LastInsertId方法
+//
 
 package gdb
 
 import (
 	"database/sql"
 	"fmt"
-	"github.com/gogf/gf/g/text/gregex"
 	"strconv"
 	"strings"
+
+	"github.com/gogf/gf/g/text/gregex"
 )
 
 // 数据库链接对象
diff --git a/g/database/gdb/gdb_oracle.go b/g/database/gdb/gdb_oracle.go
index ad196e835..b17324555 100644
--- a/g/database/gdb/gdb_oracle.go
+++ b/g/database/gdb/gdb_oracle.go
@@ -3,23 +3,20 @@
 // 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.
-/*
-@author wenzi1<liyz23@qq.com>
-@date 20181026
-说明：
-    1.需要导入oracle驱动： github.com/mattn/go-oci8
-    2.不支持save/replace方法，可以调用这2个方法估计会报错，还没测试过,(应该是可以通过oracle的merge来实现这2个功能的，还没仔细研究)
-    3.不支持LastInsertId方法
-*/
+// 说明：
+//    1.需要导入oracle驱动： github.com/mattn/go-oci8
+//    2.不支持save/replace方法，可以调用这2个方法估计会报错，还没测试过,(应该是可以通过oracle的merge来实现这2个功能的，还没仔细研究)
+//    3.不支持LastInsertId方法
 
 package gdb
 
 import (
 	"database/sql"
 	"fmt"
-	"github.com/gogf/gf/g/text/gregex"
 	"strconv"
 	"strings"
+
+	"github.com/gogf/gf/g/text/gregex"
 )
 
 // 数据库链接对象
diff --git a/g/database/gdb/gdb_sqlite.go b/g/database/gdb/gdb_sqlite.go
index 708243231..e890c4ddf 100644
--- a/g/database/gdb/gdb_sqlite.go
+++ b/g/database/gdb/gdb_sqlite.go
@@ -3,7 +3,6 @@
 // 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.
-// @author wxkj<wxscz@qq.com>
 
 package gdb