diff --git a/assets/images/member_bg.png b/assets/images/member_bg.png
index 034984e9..e3fd1e39 100644
Binary files a/assets/images/member_bg.png and b/assets/images/member_bg.png differ
diff --git a/lib/const/resource.dart b/lib/const/resource.dart
index 9e375542..5dc89801 100644
--- a/lib/const/resource.dart
+++ b/lib/const/resource.dart
@@ -103,105 +103,6 @@ class R {
   static const String ASSETS_APPLICATIONS_WINE_PNG =
       'assets/applications/wine.png';
 
-  /// ![preview](file:///Users/akufe/Documents/akuCommunity/assets/example/QR_code.png)
-  static const String ASSETS_EXAMPLE_QR_CODE_PNG = 'assets/example/QR_code.png';
-
-  /// ![preview](file:///Users/akufe/Documents/akuCommunity/assets/example/bg1.png)
-  static const String ASSETS_EXAMPLE_BG1_PNG = 'assets/example/bg1.png';
-
-  /// ![preview](file:///Users/akufe/Documents/akuCommunity/assets/example/bg2.png)
-  static const String ASSETS_EXAMPLE_BG2_PNG = 'assets/example/bg2.png';
-
-  /// ![preview](file:///Users/akufe/Documents/akuCommunity/assets/example/bg3.png)
-  static const String ASSETS_EXAMPLE_BG3_PNG = 'assets/example/bg3.png';
-
-  /// ![preview](file:///Users/akufe/Documents/akuCommunity/assets/example/bg4.png)
-  static const String ASSETS_EXAMPLE_BG4_PNG = 'assets/example/bg4.png';
-
-  /// ![preview](file:///Users/akufe/Documents/akuCommunity/assets/example/good.png)
-  static const String ASSETS_EXAMPLE_GOOD_PNG = 'assets/example/good.png';
-
-  /// ![preview](file:///Users/akufe/Documents/akuCommunity/assets/example/guanggao1.png)
-  static const String ASSETS_EXAMPLE_GUANGGAO1_PNG =
-      'assets/example/guanggao1.png';
-
-  /// ![preview](file:///Users/akufe/Documents/akuCommunity/assets/example/guanggao2.png)
-  static const String ASSETS_EXAMPLE_GUANGGAO2_PNG =
-      'assets/example/guanggao2.png';
-
-  /// ![preview](file:///Users/akufe/Documents/akuCommunity/assets/example/guanggao3.png)
-  static const String ASSETS_EXAMPLE_GUANGGAO3_PNG =
-      'assets/example/guanggao3.png';
-
-  /// ![preview](file:///Users/akufe/Documents/akuCommunity/assets/example/guanggao4.png)
-  static const String ASSETS_EXAMPLE_GUANGGAO4_PNG =
-      'assets/example/guanggao4.png';
-
-  /// ![preview](file:///Users/akufe/Documents/akuCommunity/assets/example/guanggao5.png)
-  static const String ASSETS_EXAMPLE_GUANGGAO5_PNG =
-      'assets/example/guanggao5.png';
-
-  /// ![preview](file:///Users/akufe/Documents/akuCommunity/assets/example/guanggao6.png)
-  static const String ASSETS_EXAMPLE_GUANGGAO6_PNG =
-      'assets/example/guanggao6.png';
-
-  /// ![preview](file:///Users/akufe/Documents/akuCommunity/assets/example/guanggao7.png)
-  static const String ASSETS_EXAMPLE_GUANGGAO7_PNG =
-      'assets/example/guanggao7.png';
-
-  /// ![preview](file:///Users/akufe/Documents/akuCommunity/assets/example/header.png)
-  static const String ASSETS_EXAMPLE_HEADER_PNG = 'assets/example/header.png';
-
-  /// ![preview](file:///Users/akufe/Documents/akuCommunity/assets/example/jiaoshijie.png)
-  static const String ASSETS_EXAMPLE_JIAOSHIJIE_PNG =
-      'assets/example/jiaoshijie.png';
-
-  /// ![preview](file:///Users/akufe/Documents/akuCommunity/assets/example/kuzi.png)
-  static const String ASSETS_EXAMPLE_KUZI_PNG = 'assets/example/kuzi.png';
-
-  /// ![preview](file:///Users/akufe/Documents/akuCommunity/assets/example/mine_header.png)
-  static const String ASSETS_EXAMPLE_MINE_HEADER_PNG =
-      'assets/example/mine_header.png';
-
-  /// ![preview](file:///Users/akufe/Documents/akuCommunity/assets/example/topic1.png)
-  static const String ASSETS_EXAMPLE_TOPIC1_PNG = 'assets/example/topic1.png';
-
-  /// ![preview](file:///Users/akufe/Documents/akuCommunity/assets/example/topic2.png)
-  static const String ASSETS_EXAMPLE_TOPIC2_PNG = 'assets/example/topic2.png';
-
-  /// ![preview](file:///Users/akufe/Documents/akuCommunity/assets/example/topic3.png)
-  static const String ASSETS_EXAMPLE_TOPIC3_PNG = 'assets/example/topic3.png';
-
-  /// ![preview](file:///Users/akufe/Documents/akuCommunity/assets/example/touxiang1.png)
-  static const String ASSETS_EXAMPLE_TOUXIANG1_PNG =
-      'assets/example/touxiang1.png';
-
-  /// ![preview](file:///Users/akufe/Documents/akuCommunity/assets/example/touxiang2.png)
-  static const String ASSETS_EXAMPLE_TOUXIANG2_PNG =
-      'assets/example/touxiang2.png';
-
-  /// ![preview](file:///Users/akufe/Documents/akuCommunity/assets/example/touxiang3.jpeg)
-  static const String ASSETS_EXAMPLE_TOUXIANG3_JPEG =
-      'assets/example/touxiang3.jpeg';
-
-  /// ![preview](file:///Users/akufe/Documents/akuCommunity/assets/example/tz1.png)
-  static const String ASSETS_EXAMPLE_TZ1_PNG = 'assets/example/tz1.png';
-
-  /// ![preview](file:///Users/akufe/Documents/akuCommunity/assets/example/tz2.png)
-  static const String ASSETS_EXAMPLE_TZ2_PNG = 'assets/example/tz2.png';
-
-  /// ![preview](file:///Users/akufe/Documents/akuCommunity/assets/example/tz3.png)
-  static const String ASSETS_EXAMPLE_TZ3_PNG = 'assets/example/tz3.png';
-
-  /// ![preview](file:///Users/akufe/Documents/akuCommunity/assets/example/xiezi.png)
-  static const String ASSETS_EXAMPLE_XIEZI_PNG = 'assets/example/xiezi.png';
-
-  /// ![preview](file:///Users/akufe/Documents/akuCommunity/assets/example/yifu.png)
-  static const String ASSETS_EXAMPLE_YIFU_PNG = 'assets/example/yifu.png';
-
-  /// ![preview](file:///Users/akufe/Documents/akuCommunity/assets/example/yifu1.png)
-  static const String ASSETS_EXAMPLE_YIFU1_PNG = 'assets/example/yifu1.png';
-
   /// ![preview](file:///Users/akufe/Documents/akuCommunity/assets/icons/add.png)
   static const String ASSETS_ICONS_ADD_PNG = 'assets/icons/add.png';