diff --git a/lib/page/component/chat/chat_share.dart b/lib/page/component/chat/chat_share.dart
index cf8d3276..de6bdb16 100644
--- a/lib/page/component/chat/chat_share.dart
+++ b/lib/page/component/chat/chat_share.dart
@@ -409,8 +409,8 @@ class _ChatShareScreenState extends State<ChatShareScreen> {
   /// 获取聊天框的最大宽度
   double _chatBoxMaxWidth(BuildContext context) {
     var screenWidth = MediaQuery.of(context).size.width;
-    if (screenWidth >= CustomSize.maxWindowSize) {
-      return CustomSize.maxWindowSize;
+    if (screenWidth >= CustomSize.smallWindowSize) {
+      return CustomSize.smallWindowSize;
     }
 
     return screenWidth;
diff --git a/lib/page/setting/setting_screen.dart b/lib/page/setting/setting_screen.dart
index 524695bd..d5d1b5db 100644
--- a/lib/page/setting/setting_screen.dart
+++ b/lib/page/setting/setting_screen.dart
@@ -392,7 +392,8 @@ class _SettingScreenState extends State<SettingScreen> {
 
   Future<List<SelectorItem<String>>> _defaultServerList() async {
     return [
-      SelectorItem(const Text('默认服务器'), apiServerURL),
+      SelectorItem(const Text('官方正式服务器'), apiServerURL),
+      SelectorItem(const Text('本地开发机'), 'http://localhost:8080'),
     ];
   }