feat: 更新 index.html，添加缓存控制元标签

index.html

@@ -5,6 +5,9 @@
     <link rel="icon" href="/favicon.ico" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <meta http-equiv="Permissions-Policy" content="interest-cohort=()" />
+    <meta http-equiv="Cache-Control" content="no-cache, no-store, must-revalidate" />
+    <meta http-equiv="Pragma" content="no-cache" />
+    <meta http-equiv="Expires" content="0" />
     <title>vtsuru.live</title>
     <meta name="description" content="为主播提供便利功能" />
     <script

src/store/useDanmakuClient.ts

@@ -183,6 +183,9 @@ export const useDanmakuClient = defineStore('DanmakuClient', () => {
       }
       return useDanmakuClient(); // 如果已连接，则视为“成功”
     }
+    if (state.value === 'connected') {
+      return useDanmakuClient(); // 如果已连接，则视为“成功”
+    }
 
     isInitializing = true;
     state.value = 'connecting';