diff --git a/lib/common/example_code_parser.dart b/lib/common/example_code_parser.dart
index 0a0310ca..fa7e5b33 100644
--- a/lib/common/example_code_parser.dart
+++ b/lib/common/example_code_parser.dart
@@ -2,15 +2,17 @@
  * @Author: 一凨 
  * @Date: 2019-01-14 11:42:36 
  * @Last Modified by: 一凨
- * @Last Modified time: 2019-01-14 15:53:20
+ * @Last Modified time: 2019-01-14 16:53:11
  */
 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 import 'dart:async';
-
+import '../routers/application.dart';
 import 'package:flutter/services.dart';
+import 'package:url_launcher/url_launcher.dart';
+import 'package:flutter/material.dart';
 
 const String _kStartTag = '// START ';
 const String _kEndTag = '// END';
@@ -18,47 +20,27 @@ const String _kEndTag = '// END';
 Map<String, String> _exampleCode;
 String _code;
 
-Future<String> getExampleCode(String filePath, AssetBundle bundle) async {
-  if (_exampleCode == null)
-    await _parseExampleCode(filePath,bundle);
-  // return _exampleCode[filePath];
+void _launchURL(String url) async {
+  if (await canLaunch(url)) {
+    await launch(url);
+  } else {
+    throw 'Could not launch $url';
+  }
+}
+
+Future<String> getExampleCode(context,String filePath, AssetBundle bundle) async {
+  if (_exampleCode == null) await _parseExampleCode(context,filePath, bundle);
   return _code;
 }
 
-Future<void> _parseExampleCode(String filePath,AssetBundle bundle) async {
-  
-  final String code = await bundle.loadString('$filePath') ??
-    '// $filePath not found\n';
-    print('$filePath 1234567Nealyang');
-    _code = code;
-  // _exampleCode = <String, String>{};
-  // final List<String> lines = code.split('\n');
-  // List<String> codeBlock;
-  // String codeTag;
-
-  // for (String line in lines) {
-  //   if (codeBlock == null) {
-  //     // Outside a block.
-  //     if (line.startsWith(_kStartTag)) {
-  //       // Starting a new code block.
-  //       codeBlock = <String>[];
-  //       codeTag = line.substring(_kStartTag.length).trim();
-  //     } else {
-  //       // Just skipping the line.
-  //     }
-  //   } else {
-  //     // Inside a block.
-  //     if (line.startsWith(_kEndTag)) {
-  //       // Add the block.
-  //       _exampleCode[codeTag] = codeBlock.join('\n');
-  //       codeBlock = null;
-  //       codeTag = null;
-  //     } else {
-  //       // Add to the current block
-  //       // trimRight() to remove any \r on Windows
-  //       // without removing any useful indentation
-  //       codeBlock.add(line.trimRight());
-  //     }
-  //   }
-  // }
+Future<void> _parseExampleCode(context,String filePath, AssetBundle bundle) async {
+  String code;
+  try {
+    code = await bundle.loadString('lib/widgets/$filePath');
+  } catch (err) {
+    print('${Application.github['widgetsURL']} $filePath');
+    Navigator.of(context).pop();
+    _launchURL(Application.github['widgetsURL'] + filePath);
+  }
+  _code = code;
 }
diff --git a/lib/common/full_screen_code_dialog.dart b/lib/common/full_screen_code_dialog.dart
index 74d38aeb..ee098740 100644
--- a/lib/common/full_screen_code_dialog.dart
+++ b/lib/common/full_screen_code_dialog.dart
@@ -20,7 +20,7 @@ class _FullScreenCodeDialogState extends State<FullScreenCodeDialog> {
 
   @override
   void didChangeDependencies() {
-    getExampleCode(widget.filePath, DefaultAssetBundle.of(context))
+    getExampleCode(context,'${widget.filePath}', DefaultAssetBundle.of(context))
         .then<void>((String code) {
       if (mounted) {
         setState(() {
diff --git a/lib/common/widget_demo.dart b/lib/common/widget_demo.dart
index ca8b518f..6277c800 100644
--- a/lib/common/widget_demo.dart
+++ b/lib/common/widget_demo.dart
@@ -146,8 +146,7 @@ class _WidgetDemoState extends State<WidgetDemo> {
       _launchURL(widget.docUrl);
     }else if(value =='code'){
       //  _launchURL(Application.github['widgetsURL'] + widget.codeUrl);
-      String targetUrl = 'lib/widgets/${widget.codeUrl}';
-      Application.router.navigateTo(context, '${Routes.codeView}?filePath=${Uri.encodeComponent(targetUrl)}');
+      Application.router.navigateTo(context, '${Routes.codeView}?filePath=${Uri.encodeComponent(widget.codeUrl)}');
       
     }else{
       _getCollection();
diff --git a/lib/widgets/components/Chip/Chip/demo.dart b/lib/widgets/components/Chip/Chip/demo.dart
index cd90b0d6..ad128cb4 100644
--- a/lib/widgets/components/Chip/Chip/demo.dart
+++ b/lib/widgets/components/Chip/Chip/demo.dart
@@ -1,9 +1,10 @@
 /*
  * @Author: xiaojia.dxj
  * @Date: 2018-12-18 11:40:57 
- * @Last Modified by: xiaojia.dxj
- * @Last Modified time: 2018-12-20 15:03:18
+ * @Last Modified by: 一凨
+ * @Last Modified time: 2019-01-14 16:50:43
  */
+
 import 'package:flutter/material.dart';
 
 class ChipDemo extends StatefulWidget {
@@ -11,74 +12,81 @@ class ChipDemo extends StatefulWidget {
 }
 
 class _ChipDemoState extends State<ChipDemo> {
-  String dec='点击回收';
-  int count=0;
-  _modifty(){
+  String dec = '点击回收';
+  int count = 0;
+  _modifty() {
     setState(() {
-           dec='delete success: $count';
-        });
-   
+      dec = 'delete success: $count';
+    });
   }
-  
+
   @override
   Widget build(BuildContext context) {
-    return  Column(
-        children: <Widget>[
-          Container(
-            child: Chip(
-              padding: EdgeInsets.only(right: 100.0,),
-           //标签前面的小widget
-          avatar: CircleAvatar(
-           backgroundColor: Colors.red.shade200,
-           child: Text('A',style: TextStyle(color: Colors.white),),
-          
-         ),
-         label: Text('pai mai  ',style: TextStyle(color: Colors.white,fontSize: 18.0),),
-         backgroundColor: Colors.red.shade100,
-         labelPadding: EdgeInsets.all(6.0),
-       ),
-    ),
-      Container(
-      
-        height: 100.0,
-        child: Chip(
-          //头像
-          avatar: CircleAvatar(
-            child: Icon(Icons.account_circle,color: Colors.red.shade200,),
-            backgroundColor:Colors.white,
-            
+    return Column(
+      children: <Widget>[
+        Container(
+          child: Chip(
+            padding: EdgeInsets.only(
+              right: 100.0,
+            ),
+            //标签前面的小widget
+            avatar: CircleAvatar(
+              backgroundColor: Colors.red.shade200,
+              child: Text(
+                'A',
+                style: TextStyle(color: Colors.white),
+              ),
+            ),
+            label: Text(
+              'pai mai  ',
+              style: TextStyle(color: Colors.white, fontSize: 18.0),
+            ),
+            backgroundColor: Colors.red.shade100,
+            labelPadding: EdgeInsets.all(6.0),
           ),
-          //设置widget背景颜色
-          backgroundColor: Colors.red.shade100,
-         /**剪辑窗口widget内容
-          * antiAlias:剪辑具有抗锯齿功能，它比antiAliasWithSaveLayer快得多，但比hardEdge慢。
-          antiAliasWithSaveLayer:立即剪辑具有抗锯齿，并且可以分配屏幕外缓冲区，后续涂料都在该缓冲区完成，然后再进行修剪和合成
-          */
-          clipBehavior: Clip.antiAlias,
-          
-          //设置padding值
-          labelPadding: EdgeInsets.all(8.0),
-          label: Text(dec),
-           //设置onDeleted时候显示的图标
-          deleteIcon: Icon(Icons.delete,color: Colors.white,size: 20.0,),
-          onDeleted: (){
-            count++;
-            _modifty();
-          },
-          deleteButtonTooltipMessage: '删除',
-          deleteIconColor: Colors.blueGrey.shade100,
-          //将最小点击目标大小扩展到48*48px
-          materialTapTargetSize: MaterialTapTargetSize.padded,
-          padding: EdgeInsets.all(2.0),
-          //修改字体格式
-          labelStyle: TextStyle(fontWeight: FontWeight.bold),
-          // shape: _MyBorder(),
         ),
-      )
-        ],
+        Container(
+          height: 100.0,
+          child: Chip(
+            //头像
+            avatar: CircleAvatar(
+              child: Icon(
+                Icons.account_circle,
+                color: Colors.red.shade200,
+              ),
+              backgroundColor: Colors.white,
+            ),
+            //设置widget背景颜色
+            backgroundColor: Colors.red.shade100,
+            //剪辑窗口widget内容
+            // antiAlias:剪辑具有抗锯齿功能，它比antiAliasWithSaveLayer快得多，但比hardEdge慢。
+            //antiAliasWithSaveLayer:立即剪辑具有抗锯齿，并且可以分配屏幕外缓冲区，后续涂料都在该缓冲区完成，然后再进行修剪和合成
+            clipBehavior: Clip.antiAlias,
+
+            //设置padding值
+            labelPadding: EdgeInsets.all(8.0),
+            label: Text(dec),
+            //设置onDeleted时候显示的图标
+            deleteIcon: Icon(
+              Icons.delete,
+              color: Colors.white,
+              size: 20.0,
+            ),
+            onDeleted: () {
+              count++;
+              _modifty();
+            },
+            deleteButtonTooltipMessage: '删除',
+            deleteIconColor: Colors.blueGrey.shade100,
+            //将最小点击目标大小扩展到48*48px
+            materialTapTargetSize: MaterialTapTargetSize.padded,
+            padding: EdgeInsets.all(2.0),
+            //修改字体格式
+            labelStyle: TextStyle(fontWeight: FontWeight.bold),
+            // shape: _MyBorder(),
+          ),
+        )
+      ],
     );
   }
 }
-
-
-
diff --git a/lib/widgets/elements/Form/Button/FlatButton/demo.dart b/lib/widgets/elements/Form/Button/FlatButton/demo.dart
index 45352b5f..ee2b36c4 100644
--- a/lib/widgets/elements/Form/Button/FlatButton/demo.dart
+++ b/lib/widgets/elements/Form/Button/FlatButton/demo.dart
@@ -9,10 +9,8 @@
 import 'dart:math';
 import 'package:flutter/material.dart';
 
-/*
-* FlatButton 默认按钮的实例
-* isDisabled:是否是禁用，isDisabled 默认为true
-* */
+// FlatButton 默认按钮的实例
+// isDisabled:是否是禁用，isDisabled 默认为true
 class FlatButtonDefault extends StatelessWidget {
   final bool isDisabled;
 
@@ -29,11 +27,10 @@ class FlatButtonDefault extends StatelessWidget {
   }
 }
 
-/*
-* FlatButton.icon 默认按钮的实例
-* Create a text button from a pair of widgets that serve as the button's icon and label
-* isDisabled:是否是禁用
-* */
+
+// FlatButton.icon 默认按钮的实例
+// * Create a text button from a pair of widgets that serve as the button's icon and label
+// * isDisabled:是否是禁用
 class FlatButtonIconDefault extends StatelessWidget {
   final bool isDisabled;
   final IconData icon;
@@ -63,9 +60,9 @@ class FlatButtonIconDefault extends StatelessWidget {
   }
 }
 
-/*
-* FlatButton 自定义的实例
-* */
+
+// FlatButton 自定义的实例
+
 class FlatButtonCustom extends StatelessWidget {
   final String txt;
   final Color color;
diff --git a/lib/widgets/elements/Form/CheckBox/Checkbox/index.dart b/lib/widgets/elements/Form/CheckBox/Checkbox/index.dart
index 5f0d40d9..aeb49130 100644
--- a/lib/widgets/elements/Form/CheckBox/Checkbox/index.dart
+++ b/lib/widgets/elements/Form/CheckBox/Checkbox/index.dart
@@ -47,7 +47,7 @@ class _DemoState extends State<Demo> {
   Widget build(BuildContext context) {
     return WidgetDemo(
       title: 'Checkbox',
-      codeUrl: 'elements/Form/Checkbox/Checkbox/demo.dart',
+      codeUrl: 'elements/Form/CheckBox/Checkbox/demo.dart',
       contentList: [allCheckboxs(context,this)],
       docUrl: 'https://docs.flutter.io/flutter/material/Checkbox-class.html',
     );
diff --git a/lib/widgets/elements/Form/CheckBox/CheckboxListTile/demo.dart b/lib/widgets/elements/Form/CheckBox/CheckboxListTile/demo.dart
index ce63afa7..d4e5c2a9 100644
--- a/lib/widgets/elements/Form/CheckBox/CheckboxListTile/demo.dart
+++ b/lib/widgets/elements/Form/CheckBox/CheckboxListTile/demo.dart
@@ -9,10 +9,8 @@
 
 import 'package:flutter/material.dart';
 
-/*
-* Checkbox 默认的实例
-* index 当前checkbox 的索引值
-* */
+// Checkbox 默认的实例
+// index 当前checkbox 的索引值
 class CheckboxListTileStateDefault extends StatefulWidget {
   const CheckboxListTileStateDefault() : super();
 
@@ -20,9 +18,7 @@ class CheckboxListTileStateDefault extends StatefulWidget {
   State<StatefulWidget> createState() => _CheckboxListTileStateDefault();
 }
 
-/*
-* CheckboxListTile 默认的实例,有状态
-* */
+// CheckboxListTile 默认的实例,有状态
 class _CheckboxListTileStateDefault extends State {
   bool _value = false;
   void _valueChanged(bool value) {
@@ -105,9 +101,7 @@ class _CheckboxListTileStateDefault extends State {
   }
 }
 
-/*
-* CheckboxListTile 默认的实例,无状态
-* */
+// CheckboxListTile 默认的实例,无状态
 class CheckboxListTileDefault extends StatelessWidget {
   final widget;
   final parant;
diff --git a/lib/widgets/elements/Form/CheckBox/CheckboxListTile/index.dart b/lib/widgets/elements/Form/CheckBox/CheckboxListTile/index.dart
index a38f9cbc..ba41a1cc 100644
--- a/lib/widgets/elements/Form/CheckBox/CheckboxListTile/index.dart
+++ b/lib/widgets/elements/Form/CheckBox/CheckboxListTile/index.dart
@@ -47,7 +47,7 @@ class _DemoState extends State<Demo> {
   Widget build(BuildContext context) {
     return WidgetDemo(
       title: 'CheckboxListTile',
-      codeUrl: 'elements/Form/Checkbox/CheckboxListTile/demo.dart',
+      codeUrl: 'elements/Form/CheckBox/CheckboxListTile/demo.dart',
       contentList: [allCheckboxs(context, this)],
       docUrl: 'https://docs.flutter.io/flutter/material/CheckboxListTile-class.html',
     );
diff --git a/lib/widgets/elements/Frame/Spacing/AnimatedPadding/index.dart b/lib/widgets/elements/Frame/Spacing/AnimatedPadding/index.dart
index 1f37c161..bc1ea654 100644
--- a/lib/widgets/elements/Frame/Spacing/AnimatedPadding/index.dart
+++ b/lib/widgets/elements/Frame/Spacing/AnimatedPadding/index.dart
@@ -2,7 +2,7 @@
  * @Author: 一凨 
  * @Date: 2018-11-28 20:44:13 
  * @Last Modified by: 一凨
- * @Last Modified time: 2018-11-28 20:51:20
+ * @Last Modified time: 2019-01-14 17:02:20
  */
 import 'package:flutter/material.dart';
 import '../../../../../common/widget_demo.dart';
@@ -37,7 +37,7 @@ class _DemoState extends State<Demo> {
       ],
       docUrl:
           'https://docs.flutter.io/flutter/widgets/AnimatedPadding-class.html',
-      codeUrl: 'elements/Frame/spacing/AnimatedPadding/animatedPadding_demo.dart',
+      codeUrl: 'elements/Frame/Spacing/AnimatedPadding/animatedPadding_demo.dart',
     );
   }
 }
diff --git a/lib/widgets/elements/Frame/Spacing/Padding/index.dart b/lib/widgets/elements/Frame/Spacing/Padding/index.dart
index b40de371..1a345608 100644
--- a/lib/widgets/elements/Frame/Spacing/Padding/index.dart
+++ b/lib/widgets/elements/Frame/Spacing/Padding/index.dart
@@ -1,8 +1,8 @@
 /*
  * @Author: 一凨 
  * @Date: 2018-11-28 20:25:24 
- * @Last Modified by:   一凨 
- * @Last Modified time: 2018-11-28 20:25:24 
+ * @Last Modified by: 一凨
+ * @Last Modified time: 2019-01-14 17:01:55
  */
 import 'package:flutter/material.dart';
 import '../../../../../common/widget_demo.dart';
@@ -38,7 +38,7 @@ class _DemoState extends State<Demo> {
       ],
       docUrl: 'https://docs.flutter.io/flutter/widgets/Padding-class.html',
       codeUrl:
-          'elements/Frame/spacing/Padding/padding_demo.dart',
+          'elements/Frame/Spacing/Padding/padding_demo.dart',
     );
   }
 }
diff --git a/lib/widgets/elements/Frame/Spacing/Padding/padding_demo.dart b/lib/widgets/elements/Frame/Spacing/Padding/padding_demo.dart
index 6f18d634..d390c773 100644
--- a/lib/widgets/elements/Frame/Spacing/Padding/padding_demo.dart
+++ b/lib/widgets/elements/Frame/Spacing/Padding/padding_demo.dart
@@ -1,10 +1,10 @@
+import 'package:flutter/material.dart';
 /*
  * @Author: 一凨 
  * @Date: 2018-11-28 20:20:04 
  * @Last Modified by: 一凨
- * @Last Modified time: 2018-11-28 20:20:49
+ * @Last Modified time: 2019-01-14 16:30:16
  */
-import 'package:flutter/material.dart';
 
 class PaddingDemo extends StatelessWidget {
   @override
diff --git a/lib/widgets/elements/Frame/Spacing/SliverPadding/index.dart b/lib/widgets/elements/Frame/Spacing/SliverPadding/index.dart
index 451936b7..b919a156 100644
--- a/lib/widgets/elements/Frame/Spacing/SliverPadding/index.dart
+++ b/lib/widgets/elements/Frame/Spacing/SliverPadding/index.dart
@@ -2,7 +2,7 @@
  * @Author: 一凨 
  * @Date: 2018-11-28 20:26:16 
  * @Last Modified by: 一凨
- * @Last Modified time: 2018-11-28 20:39:28
+ * @Last Modified time: 2019-01-14 17:06:36
  */
 import 'package:flutter/material.dart';
 import 'package:flutter_go/common/widget_demo.dart';
@@ -33,7 +33,7 @@ class _DemoState extends State<Demo> {
   Widget build(BuildContext context) {
     return WidgetDemo(
       title: 'SliverPadding',
-      codeUrl: 'elements/Frame/spacing/SliverPadding/sliverpadding_demo.dart',
+      codeUrl: 'elements/Frame/Spacing/SliverPadding/sliverpadding_demo.dart',
       contentList: [
         contentDesc0,
         contentDesc1,
diff --git a/lib/widgets/elements/Frame/Stack/IndexedStack/index.dart b/lib/widgets/elements/Frame/Stack/IndexedStack/index.dart
index aac1164c..bdafe5e3 100644
--- a/lib/widgets/elements/Frame/Stack/IndexedStack/index.dart
+++ b/lib/widgets/elements/Frame/Stack/IndexedStack/index.dart
@@ -39,7 +39,7 @@ class _DemoState extends State<Demo> {
       title: 'IndexedStack',
       // desc: _desc,
       codeUrl:
-          'https://github.com/alibaba-paimai-frontend/flutter-common-widgets-app/blob/dev/sanlu-0.0.4/lib/widgets/elements/Frame/Stack/IndexedStack/demo.dart',
+          'elements/Frame/Stack/IndexedStack/demo.dart',
       docUrl: 'https://docs.flutter.io/flutter/widgets/IndexedStack-class.html',
       contentList: [
         _stackText0,
diff --git a/lib/widgets/elements/Frame/Stack/Stack/index.dart b/lib/widgets/elements/Frame/Stack/Stack/index.dart
index 7cd8f2c1..6cdf56b9 100644
--- a/lib/widgets/elements/Frame/Stack/Stack/index.dart
+++ b/lib/widgets/elements/Frame/Stack/Stack/index.dart
@@ -41,7 +41,7 @@ class _DemoState extends State<Demo> {
     return WidgetDemo(
       title: 'Stack',
       codeUrl:
-          'https://github.com/alibaba-paimai-frontend/flutter-common-widgets-app/blob/dev/sanlu-0.0.4/lib/widgets/elements/Frame/Stack/Stack/demo.dart',
+          'elements/Frame/Stack/Stack/demo.dart',
       docUrl: 'https://docs.flutter.io/flutter/widgets/Stack-class.html',
       contentList: [
         _stackText0,
diff --git a/pubspec.yaml b/pubspec.yaml
index e33abd48..5165f5ef 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -168,6 +168,7 @@ flutter:
     - lib/common/syntax_highlighter.dart
 
 
+
   # To add assets to your application, add an assets section, like this:
   # assets:
   #  - images/a_dot_burr.jpeg