diff --git a/g/encoding/gbinary/gbinary.go b/g/encoding/gbinary/gbinary.go
index 16337e98f..e53ae8583 100644
--- a/g/encoding/gbinary/gbinary.go
+++ b/g/encoding/gbinary/gbinary.go
@@ -4,7 +4,7 @@
 // If a copy of the MIT was not distributed with this file,
 // You can obtain one at https://gitee.com/johng/gf.
 
-// 二进制及byte操作管理包
+// 二进制及byte操作
 package gbinary
 
 import (
diff --git a/g/encoding/gjson/gjson.go b/g/encoding/gjson/gjson.go
index 06fd9a12b..b24b065ec 100644
--- a/g/encoding/gjson/gjson.go
+++ b/g/encoding/gjson/gjson.go
@@ -4,7 +4,7 @@
 // If a copy of the MIT was not distributed with this file,
 // You can obtain one at https://gitee.com/johng/gf.
 
-// 强大的JSON解析/封装包
+// JSON解析/封装
 package gjson
 
 import (
diff --git a/g/frame/gcfg/gcfg.go b/g/frame/gcfg/gcfg.go
index b1f1325f8..b27e0afed 100644
--- a/g/frame/gcfg/gcfg.go
+++ b/g/frame/gcfg/gcfg.go
@@ -4,7 +4,7 @@
 // If a copy of the MIT was not distributed with this file,
 // You can obtain one at https://gitee.com/johng/gf.
 
-// 全局配置管理对象，配置文件为json文件
+// 配置管理
 package gcfg
 
 import (
diff --git a/g/frame/gmvc/controller.go b/g/frame/gmvc/controller.go
index 814a4e531..15ab38bd6 100644
--- a/g/frame/gmvc/controller.go
+++ b/g/frame/gmvc/controller.go
@@ -4,7 +4,7 @@
 // If a copy of the MIT was not distributed with this file,
 // You can obtain one at https://gitee.com/johng/gf.
 
-// MVC控制器基类
+// MVC
 package gmvc
 
 import (
diff --git a/g/frame/gmvc/model.go b/g/frame/gmvc/model.go
index 5939daf65..92a91aed0 100644
--- a/g/frame/gmvc/model.go
+++ b/g/frame/gmvc/model.go
@@ -4,9 +4,10 @@
 // If a copy of the MIT was not distributed with this file,
 // You can obtain one at https://gitee.com/johng/gf.
 
-// MVC模型基类
+
 package gmvc
 
+// MVC模型基类
 type Model struct {
 
 }
\ No newline at end of file
diff --git a/g/frame/gmvc/view.go b/g/frame/gmvc/view.go
index 9aa0870cd..49799ec23 100644
--- a/g/frame/gmvc/view.go
+++ b/g/frame/gmvc/view.go
@@ -4,7 +4,6 @@
 // If a copy of the MIT was not distributed with this file,
 // You can obtain one at https://gitee.com/johng/gf.
 
-// MVC视图基类
 package gmvc
 
 import (
@@ -15,7 +14,7 @@ import (
     "gitee.com/johng/gf/g/net/ghttp"
 )
 
-// 视图对象(一个请求一个视图对象，用完即销毁)
+// MVC视图基类(一个请求一个视图对象，用完即销毁)
 type View struct {
     mu       sync.RWMutex              // 并发互斥锁
     view     *gview.View               // 底层视图对象
diff --git a/g/os/gcache/gcache.go b/g/os/gcache/gcache.go
index bae9aa6ea..b5116b394 100644
--- a/g/os/gcache/gcache.go
+++ b/g/os/gcache/gcache.go
@@ -4,7 +4,7 @@
 // If a copy of the MIT was not distributed with this file,
 // You can obtain one at https://gitee.com/johng/gf.
 
-// 单进程缓存管理
+// 单进程缓存
 package gcache
 
 import (
diff --git a/g/os/gfilespace/gfilespace.go b/g/os/gfilespace/gfilespace.go
index b291c0b01..6608d2e77 100644
--- a/g/os/gfilespace/gfilespace.go
+++ b/g/os/gfilespace/gfilespace.go
@@ -4,7 +4,7 @@
 // If a copy of the MIT was not distributed with this file,
 // You can obtain one at https://gitee.com/johng/gf.
 
-// 文件空间管理， 可用于文件碎片空间维护及再利用，支持自动合并连续碎片空间
+// 文件空间管理
 package gfilespace
 
 import (
diff --git a/g/util/gvalid/gvalid.go b/g/util/gvalid/gvalid.go
index af56c5d7d..89b34c242 100644
--- a/g/util/gvalid/gvalid.go
+++ b/g/util/gvalid/gvalid.go
@@ -6,6 +6,20 @@
 
 // 通用数据验证工具
 // 本来打算取名gvalidator的，名字太长了，缩写一下
+package gvalid
+
+import (
+    "strings"
+    "regexp"
+    "strconv"
+    "gitee.com/johng/gf/g/os/gtime"
+    "gitee.com/johng/gf/g/net/gipv4"
+    "gitee.com/johng/gf/g/net/gipv6"
+    "gitee.com/johng/gf/g/util/gregx"
+    "gitee.com/johng/gf/g/encoding/gjson"
+    "gitee.com/johng/gf/g/container/gmap"
+)
+
 /*
 参考：https://laravel.com/docs/5.5/validation#available-validation-rules
 规则如下：
@@ -50,19 +64,6 @@ in                   格式：in:value1,value2,...                  说明：参
 not-in               格式：not-in:value1,value2,...              说明：参数值不应该在value1,value2,...中(字符串匹配)
 regex                格式：regex:pattern                         说明：参数值应当满足正则匹配规则pattern
 */
-package gvalid
-
-import (
-    "strings"
-    "regexp"
-    "strconv"
-    "gitee.com/johng/gf/g/os/gtime"
-    "gitee.com/johng/gf/g/util/gregx"
-    "gitee.com/johng/gf/g/encoding/gjson"
-    "gitee.com/johng/gf/g/container/gmap"
-    "gitee.com/johng/gf/g/net/gipv6"
-    "gitee.com/johng/gf/g/net/gipv4"
-)
 
 // 默认规则校验错误消息(可以通过接口自定义错误消息)
 var defaultMessages = map[string]string {