diff --git a/lib/common/widgets/network_img_layer.dart b/lib/common/widgets/network_img_layer.dart
index 52c56a8a..06c35974 100644
--- a/lib/common/widgets/network_img_layer.dart
+++ b/lib/common/widgets/network_img_layer.dart
@@ -2,6 +2,7 @@ import 'package:cached_network_image/cached_network_image.dart';
 import 'package:flutter/material.dart';
 import 'package:hive/hive.dart';
 import 'package:pilipala/utils/extension.dart';
+import 'package:pilipala/utils/global_data.dart';
 import '../../utils/storage.dart';
 import '../constants.dart';
 
@@ -32,8 +33,10 @@ class NetworkImgLayer extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
+    final int defaultImgQuality = GlobalData().imgQuality;
     final String imageUrl =
-        '${src!.startsWith('//') ? 'https:${src!}' : src!}@${quality ?? 100}q.webp';
+        '${src!.startsWith('//') ? 'https:${src!}' : src!}@${quality ?? defaultImgQuality}q.webp';
+    print(imageUrl);
     int? memCacheWidth, memCacheHeight;
     double aspectRatio = (width / height).toDouble();
 
@@ -81,7 +84,7 @@ class NetworkImgLayer extends StatelessWidget {
                   fadeOutDuration ?? const Duration(milliseconds: 120),
               fadeInDuration:
                   fadeInDuration ?? const Duration(milliseconds: 120),
-              filterQuality: FilterQuality.high,
+              filterQuality: FilterQuality.low,
               errorWidget: (BuildContext context, String url, Object error) =>
                   placeholder(context),
               placeholder: (BuildContext context, String url) =>
diff --git a/lib/pages/about/index.dart b/lib/pages/about/index.dart
index 41ee1516..7c42f5aa 100644
--- a/lib/pages/about/index.dart
+++ b/lib/pages/about/index.dart
@@ -201,11 +201,11 @@ class _AboutPageState extends State<AboutPage> {
                 var cleanStatus = await CacheManage().clearCacheAll();
                 if (cleanStatus) {
                   getCacheSize();
+                  SmartDialog.showToast('清除成功');
                 }
               },
               title: const Text('清除缓存'),
               subtitle: Text('图片及网络缓存 $cacheSize', style: subTitleStyle),
-              trailing: Icon(Icons.arrow_forward_ios, size: 16, color: outline),
             ),
             SizedBox(height: MediaQuery.of(context).padding.bottom + 20)
           ],
diff --git a/lib/pages/setting/extra_setting.dart b/lib/pages/setting/extra_setting.dart
index 1580ad8b..0a4dd2bf 100644
--- a/lib/pages/setting/extra_setting.dart
+++ b/lib/pages/setting/extra_setting.dart
@@ -1,11 +1,13 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
+import 'package:get/get.dart';
 import 'package:hive/hive.dart';
 import 'package:pilipala/models/common/dynamics_type.dart';
 import 'package:pilipala/models/common/reply_sort_type.dart';
 import 'package:pilipala/pages/setting/widgets/select_dialog.dart';
 import 'package:pilipala/utils/storage.dart';
 
+import '../home/index.dart';
 import 'widgets/switch_item.dart';
 
 class ExtraSetting extends StatefulWidget {
@@ -138,18 +140,20 @@ class _ExtraSettingState extends State<ExtraSetting> {
       ),
       body: ListView(
         children: [
-          SetSwitchItem(
+          const SetSwitchItem(
             title: '大家都在搜',
             subTitle: '是否展示「大家都在搜」',
             setKey: SettingBoxKey.enableHotKey,
             defaultVal: true,
-            callFn: (val) => {SmartDialog.showToast('下次启动时生效')},
           ),
-          const SetSwitchItem(
+          SetSwitchItem(
             title: '搜索默认词',
             subTitle: '是否展示搜索框默认词',
             setKey: SettingBoxKey.enableSearchWord,
             defaultVal: true,
+            callFn: (val) {
+              Get.find<HomeController>().defaultSearch.value = '';
+            },
           ),
           const SetSwitchItem(
             title: '快速收藏',
diff --git a/lib/pages/setting/style_setting.dart b/lib/pages/setting/style_setting.dart
index c9bffa69..849123e5 100644
--- a/lib/pages/setting/style_setting.dart
+++ b/lib/pages/setting/style_setting.dart
@@ -8,6 +8,7 @@ import 'package:pilipala/models/common/theme_type.dart';
 import 'package:pilipala/pages/setting/pages/color_select.dart';
 import 'package:pilipala/pages/setting/widgets/select_dialog.dart';
 import 'package:pilipala/pages/setting/widgets/slide_dialog.dart';
+import 'package:pilipala/utils/global_data.dart';
 import 'package:pilipala/utils/storage.dart';
 
 import '../../models/common/dynamic_badge_mode.dart';
@@ -176,6 +177,8 @@ class _StyleSettingState extends State<StyleSetting> {
                                   SettingBoxKey.defaultPicQa, picQuality);
                               Get.back();
                               settingController.picQuality.value = picQuality;
+                              GlobalData().imgQuality = picQuality;
+                              SmartDialog.showToast('设置成功');
                             },
                             child: const Text('确定'),
                           )
diff --git a/lib/pages/subscription/view.dart b/lib/pages/subscription/view.dart
index b2a4965b..1eee4a4f 100644
--- a/lib/pages/subscription/view.dart
+++ b/lib/pages/subscription/view.dart
@@ -2,7 +2,6 @@ import 'package:easy_debounce/easy_throttle.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
 import 'package:pilipala/common/widgets/http_error.dart';
-import 'package:pilipala/pages/fav/widgets/item.dart';
 import 'controller.dart';
 import 'widgets/item.dart';
 
diff --git a/lib/utils/global_data.dart b/lib/utils/global_data.dart
new file mode 100644
index 00000000..a8a04eba
--- /dev/null
+++ b/lib/utils/global_data.dart
@@ -0,0 +1,12 @@
+class GlobalData {
+  int imgQuality = 10;
+
+  // 私有构造函数
+  GlobalData._();
+
+  // 单例实例
+  static final GlobalData _instance = GlobalData._();
+
+  // 获取全局实例
+  factory GlobalData() => _instance;
+}
diff --git a/lib/utils/storage.dart b/lib/utils/storage.dart
index 16cef463..09e362fd 100644
--- a/lib/utils/storage.dart
+++ b/lib/utils/storage.dart
@@ -1,11 +1,10 @@
-// import 'package:hive/hive.dart';
 import 'dart:io';
-
 import 'package:hive_flutter/hive_flutter.dart';
 import 'package:path_provider/path_provider.dart';
 import 'package:pilipala/models/model_owner.dart';
 import 'package:pilipala/models/search/hot.dart';
 import 'package:pilipala/models/user/info.dart';
+import 'global_data.dart';
 
 class GStrorage {
   static late final Box<dynamic> userInfo;
@@ -44,6 +43,8 @@ class GStrorage {
     );
     // 视频设置
     video = await Hive.openBox('video');
+    GlobalData().imgQuality =
+        setting.get(SettingBoxKey.defaultPicQa, defaultValue: 10); // 设置全局变量
   }
 
   static void regAdapter() {