diff --git a/lib/controllers/extension_controller.dart b/lib/controllers/extension_controller.dart
index 42709f23..a79aaae2 100644
--- a/lib/controllers/extension_controller.dart
+++ b/lib/controllers/extension_controller.dart
@@ -6,6 +6,8 @@ class ExtensionPageController extends GetxController {
   RxMap<String, ExtensionService> runtimes = <String, ExtensionService>{}.obs;
   RxMap<String, String> errors = <String, String>{}.obs;
   RxBool isInstallloading = false.obs;
+  bool needRefresh = true;
+  bool isPageOpen = false;
 
   @override
   void onInit() {
@@ -19,4 +21,12 @@ class ExtensionPageController extends GetxController {
     runtimes.addAll(ExtensionUtils.runtimes);
     errors.addAll(ExtensionUtils.extensionErrorMap);
   }
+
+  callRefresh() {
+    if (isPageOpen) {
+      onRefresh();
+    } else {
+      needRefresh = true;
+    }
+  }
 }
diff --git a/lib/controllers/search_controller.dart b/lib/controllers/search_controller.dart
index c99fcf32..db359951 100644
--- a/lib/controllers/search_controller.dart
+++ b/lib/controllers/search_controller.dart
@@ -12,6 +12,8 @@ class SearchPageController extends GetxController {
   int get finishCount =>
       searchResultList.where((element) => element.completed).length;
   bool needRefresh = true;
+  bool isPageOpen = false;
+  // 是否打开了这个页面
 
   @override
   void onInit() {
@@ -89,6 +91,14 @@ class SearchPageController extends GetxController {
   getPackgeByIndex(int index) {
     return searchResultList[index].runitme.extension.package;
   }
+
+  callRefresh() {
+    if (isPageOpen) {
+      getRuntime();
+    } else {
+      needRefresh = true;
+    }
+  }
 }
 
 class SearchResult {
diff --git a/lib/main.dart b/lib/main.dart
index f1483b15..3441fb4b 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -44,8 +44,8 @@ void main(List<String> args) async {
 
   // 主窗口
   await MiruStorage.ensureInitialized();
-  await ExtensionUtils.ensureInitialized();
   await ApplicationUtils.ensureInitialized();
+  ExtensionUtils.ensureInitialized();
   MediaKit.ensureInitialized();
 
   if (!Platform.isAndroid) {
diff --git a/lib/utils/extension.dart b/lib/utils/extension.dart
index 6b91b012..e6c48ed7 100644
--- a/lib/utils/extension.dart
+++ b/lib/utils/extension.dart
@@ -19,8 +19,8 @@ import 'package:miru_app/views/widgets/messenger.dart';
 import 'package:path/path.dart' as path;
 
 class ExtensionUtils {
-  static late Map<String, ExtensionService> runtimes;
-  static late Map<String, String> extensionErrorMap;
+  static Map<String, ExtensionService> runtimes = {};
+  static Map<String, String> extensionErrorMap = {};
   static Timer? _timer;
 
   static Future<String> get getExtensionsDir async =>
@@ -69,11 +69,11 @@ class ExtensionUtils {
     extensionErrorMap = extErrorMap;
     // 重载扩展页面
     if (Get.isRegistered<ExtensionPageController>()) {
-      Get.find<ExtensionPageController>().onRefresh();
+      Get.find<ExtensionPageController>().callRefresh();
     }
     // 重载搜索页面
     if (Get.isRegistered<SearchPageController>()) {
-      Get.find<SearchPageController>().needRefresh = true;
+      Get.find<SearchPageController>().callRefresh();
     }
   }
 
diff --git a/lib/views/pages/extension/extension_page.dart b/lib/views/pages/extension/extension_page.dart
index 7c55dbe3..2e9e5461 100644
--- a/lib/views/pages/extension/extension_page.dart
+++ b/lib/views/pages/extension/extension_page.dart
@@ -29,9 +29,19 @@ class _ExtensionPageState extends State<ExtensionPage> {
   @override
   void initState() {
     c = Get.put(ExtensionPageController());
+    c.isPageOpen = true;
+    if (c.needRefresh) {
+      c.onRefresh();
+    }
     super.initState();
   }
 
+  @override
+  void dispose() {
+    c.isPageOpen = false;
+    super.dispose();
+  }
+
   // 导入扩展对话框
   _importDialog() {
     String url = '';
diff --git a/lib/views/pages/search/search_page.dart b/lib/views/pages/search/search_page.dart
index 871bfb06..611203b4 100644
--- a/lib/views/pages/search/search_page.dart
+++ b/lib/views/pages/search/search_page.dart
@@ -23,12 +23,19 @@ class _SearchPageState extends State<SearchPage> {
   @override
   void initState() {
     c = Get.put(SearchPageController());
+    c.isPageOpen = true;
     if (c.needRefresh) {
       c.getRuntime();
     }
     super.initState();
   }
 
+  @override
+  void dispose() {
+    c.isPageOpen = false;
+    super.dispose();
+  }
+
   Widget _buildAndroidSearch(BuildContext context) {
     return DefaultTabController(
       length: 4,