diff --git a/lib/funcs/local_pk_server.dart b/lib/funcs/local_pk_server.dart
index 22f6c05..e7d7379 100644
--- a/lib/funcs/local_pk_server.dart
+++ b/lib/funcs/local_pk_server.dart
@@ -46,6 +46,12 @@ class PKServer with ChangeNotifier{
   bool get connected => _connection?.connectionState == RTCPeerConnectionState.RTCPeerConnectionStateConnected;
   String? connectpwd;
 
+  @override
+  void dispose() {
+    disconnect();
+    super.dispose();
+  }
+
   Future<void> initHost(bool isHoster, BuildContext context, {String? offer}) async {
     isServer = isHoster;
 
@@ -108,7 +114,7 @@ class PKServer with ChangeNotifier{
     };
     
     // 增加超时保护（某些网络下可能收不到完成信号）
-    return completer.future.timeout(const Duration(minutes: 1), onTimeout: () async {
+    return completer.future.timeout(const Duration(seconds: 15), onTimeout: () async {
       logger.info("ICE 收集超时，尝试使用当前收集到的 Candidate");
       String sdp = (await _connection!.getLocalDescription())!.sdp!;
       sdp = optimizeSdp(sdp);
@@ -239,7 +245,7 @@ class PKServer with ChangeNotifier{
     if(message == "ping") {
       logger.finer("[$packageid] 回复心跳包");
       _channel!.send(RTCDataChannelMessage("pong"));
-      Future.delayed(Duration(seconds: 1), (){
+      Future.delayed(Duration(seconds: 5), (){
         if(_channel?.state == RTCDataChannelState.RTCDataChannelOpen) {
           logger.finer("发送心跳包");
           _channel!.send(RTCDataChannelMessage("ping"));
@@ -378,9 +384,6 @@ class PKServer with ChangeNotifier{
           pkState.sideTookenTime = data["tookenTime"];
           over = true;
         }
-        if(pkState.selfTookenTime != null && pkState.sideTookenTime != null) {
-          disconnect();
-        }
         notifyListeners();
       }
     }
diff --git a/lib/vars/global.dart b/lib/vars/global.dart
index 8041c70..96ec1ba 100644
--- a/lib/vars/global.dart
+++ b/lib/vars/global.dart
@@ -111,8 +111,8 @@ class Global with ChangeNotifier {
   Future<void> refreshApp() async {
     logger.info("应用设置中");
     AppData appData = AppData();
-    if(AppData().config.audio.audioSource == 2) await appData.loadTTS(AppData().config.audio.playRate);
-    if(AppData().config.egg.stella) await appData.loadEggs();
+    if(appData.config.audio.audioSource == 2) await appData.loadTTS(appData.config.audio.playRate);
+    if(appData.config.egg.stella) await appData.loadEggs();
     changeLoggerBehavior();
     updateTheme();
     notifyListeners();
@@ -195,7 +195,7 @@ class AppData {
 
   // load TTS model if any
   Future<void> loadTTS(double playRate) async {
-    if(kIsWeb || vitsTTS != null || modelTTSDownloaded) return;
+    if(kIsWeb || vitsTTS != null || !modelTTSDownloaded) return;
     logger.info("TTS: 加载本地TTS中");
     sherpa_onnx.initBindings();
     final vits = sherpa_onnx.OfflineTtsVitsModelConfig(