diff --git a/src-tauri/src/window/commands.rs b/src-tauri/src/window/commands.rs
index a19093d..59a2bf5 100644
--- a/src-tauri/src/window/commands.rs
+++ b/src-tauri/src/window/commands.rs
@@ -15,8 +15,7 @@ pub async fn create_float_list_window(app: AppHandle, is_teacher_muted: bool) ->
 /// 关闭悬浮列表窗口
 #[tauri::command]
 pub fn close_float_list_window(app: AppHandle) -> Result<String, String> {
-    close_float_list_window_impl(std::sync::Arc::new(app))
-        .map(|_| "success".to_string())
+    close_float_list_window_impl(std::sync::Arc::new(app)).map(|_| "success".to_string())
 }
 
 /// 创建弹出框窗口
diff --git a/src-tauri/src/window/create_float_list_window.rs b/src-tauri/src/window/create_float_list_window.rs
index 2026641..435436b 100644
--- a/src-tauri/src/window/create_float_list_window.rs
+++ b/src-tauri/src/window/create_float_list_window.rs
@@ -76,7 +76,7 @@ pub async fn create_float_list_window_impl<R: Runtime>(app: Arc<AppHandle<R>>, i
 /// 关闭悬浮列表窗口（内部实现）
 pub fn close_float_list_window_impl<R: Runtime>(app: Arc<AppHandle<R>>) -> Result<(), String> {
     use tauri::Manager;
-    
+
     // 尝试获取悬浮列表窗口
     if let Some(window) = app.get_webview_window(WindowLabel::FLOAT_LIST.as_ref()) {
         // 关闭窗口
@@ -85,7 +85,7 @@ pub fn close_float_list_window_impl<R: Runtime>(app: Arc<AppHandle<R>>) -> Resul
     } else {
         log::warn!("悬浮列表窗口不存在，无需关闭");
     }
-    
+
     Ok(())
 }
 
diff --git a/src/other_pages/floating-list-window/aa-components/floating-list.vue b/src/other_pages/floating-list-window/aa-components/floating-list.vue
index 8aaa614..c692c41 100644
--- a/src/other_pages/floating-list-window/aa-components/floating-list.vue
+++ b/src/other_pages/floating-list-window/aa-components/floating-list.vue
@@ -7,7 +7,7 @@
       <!-- 会议控制按钮 -->
       <div class="menu-item" @click="muteAllStudents()">
         <div class="icon-wrapper">
-          <icon-mdi-volume-high v-if="!isMuted" class="menu-icon"></icon-mdi-volume-high>
+          <icon-mdi-volume-high v-if="!isAllMuted" class="menu-icon"></icon-mdi-volume-high>
           <icon-mdi-volume-off v-else class="menu-icon muted"></icon-mdi-volume-off>
         </div>
         <span class="menu-text" :class="{ 'text-muted': isAllMuted }">全员静音</span>
diff --git a/src/styles/main/dom.scss b/src/styles/main/dom.scss
index 4dc0ef9..e4d3931 100644
--- a/src/styles/main/dom.scss
+++ b/src/styles/main/dom.scss
@@ -69,8 +69,6 @@ button:disabled {
   opacity: 0.6;
 }
 
-
-
 fieldset {
   padding: 0.35em 0.75em 0.625em;
 }
diff --git a/src/views/meeting/meeting-room/meeting-room-teacher.vue b/src/views/meeting/meeting-room/meeting-room-teacher.vue
index ccb9065..d80574c 100644
--- a/src/views/meeting/meeting-room/meeting-room-teacher.vue
+++ b/src/views/meeting/meeting-room/meeting-room-teacher.vue
@@ -181,7 +181,7 @@
   import IconMdiVolumeHigh from '~icons/mdi/volume-high';
   import IconMdiVolumeOff from '~icons/mdi/volume-off';
   import { ElIcon, ElMessageBox, ElMessage as Toast } from 'element-plus';
-  import { computed, onMounted, onUnmounted, ref, watchEffect } from 'vue';
+  import { computed, onBeforeUnmount, onMounted, ref, watchEffect } from 'vue';
   import { useRoute, useRouter } from 'vue-router';
   import { useStreamType } from './useStreamType';
   import { usePermissions } from './usePermissions';
@@ -1001,6 +1001,7 @@
     role.value = String(route.query.role) === 'student' ? 'student' : 'teacher';
 
     try {
+      await closeFloatListWindow();
       // 使用 Hook 加入 WebSocket 房间获取房间数据
       const roomData = await meetingSocket.joinRoom(socket);
       // 设置房间 ID（用于权限管理中的控制消息发送）
@@ -1041,10 +1042,7 @@
   /**
    * 组件卸载生命周期钩子
    */
-  onUnmounted(async () => {
-    if (isLeaving) {
-      return;
-    }
+  onBeforeUnmount(async () => {
     socket.off('message', onSocketMessage);
     // 关闭悬浮窗
     await closeFloatListWindow();
diff --git a/vite.config.ts b/vite.config.ts
index 16b087f..8747636 100644
--- a/vite.config.ts
+++ b/vite.config.ts
@@ -37,9 +37,7 @@ export default defineConfig(async ({ command }: ConfigEnv): Promise<UserConfig>
     base: './', // 基础路径
 
     plugins: [
-      VueDevTools({
-        appendTo: 'index.html',
-      }),
+      VueDevTools({}),
 
       Vue({}),
       // 自动导入API