diff --git a/WebRTCControlled/app/src/main/java/com/ttstd/controlled/activity/main/MainActivity.java b/WebRTCControlled/app/src/main/java/com/ttstd/controlled/activity/main/MainActivity.java
index e60b0b3..80012bd 100644
--- a/WebRTCControlled/app/src/main/java/com/ttstd/controlled/activity/main/MainActivity.java
+++ b/WebRTCControlled/app/src/main/java/com/ttstd/controlled/activity/main/MainActivity.java
@@ -82,7 +82,7 @@ public class MainActivity extends BaseMvvmActivity<MainViewModel, ActivityMainBi
     @Override
     protected void initView() {
         // 默认服务器地址
-        binding.etServerUrl.setText("ws://175.178.213.60:8088/ws/signal");
+        binding.etServerUrl.setText("wss://www.ttstd.com/signal");
         // 生成设备ID
 //        if (binding.etDeviceId.getText().toString().isEmpty()) {
 //            binding.etDeviceId.setText(DeviceUtils.getSystemSerialNumber());
diff --git a/WebRTCControlled/app/src/main/res/layout/activity_main.xml b/WebRTCControlled/app/src/main/res/layout/activity_main.xml
index cc83c34..c096192 100644
--- a/WebRTCControlled/app/src/main/res/layout/activity_main.xml
+++ b/WebRTCControlled/app/src/main/res/layout/activity_main.xml
@@ -34,7 +34,7 @@
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
                 android:layout_marginBottom="16dp"
-                android:hint="ws://175.178.213.60:8088/ws/signal"
+                android:hint="wss://www.ttstd.com/signal"
                 android:inputType="textUri" />
 
             <TextView
diff --git a/WebRTCController/app/src/main/java/com/ttstd/controller/MainActivity.java b/WebRTCController/app/src/main/java/com/ttstd/controller/MainActivity.java
index 9cb72ab..343f404 100644
--- a/WebRTCController/app/src/main/java/com/ttstd/controller/MainActivity.java
+++ b/WebRTCController/app/src/main/java/com/ttstd/controller/MainActivity.java
@@ -119,7 +119,7 @@ public class MainActivity extends AppCompatActivity {
         btnDisconnectControl = findViewById(R.id.btn_disconnect_control);
 
         // 默认服务器地址
-        etServerUrl.setText("ws://175.178.213.60:8088/ws/signal");
+        etServerUrl.setText("wss://www.ttstd.com/signal");
         // 生成设备ID（非系统签名，使用兜底方案获取设备标识）
         myDeviceId = DeviceUtils.getSerialNumber(this);
         etDeviceId.setText(myDeviceId);
@@ -379,6 +379,7 @@ public class MainActivity extends AppCompatActivity {
 
             @Override
             public void onError(String error) {
+                Log.e(TAG, "onError: " + error);
                 tvStatus.setText("状态: 连接错误 - " + error);
                 updateUI(false);
             }
diff --git a/WebRTCController/app/src/main/res/layout/activity_main.xml b/WebRTCController/app/src/main/res/layout/activity_main.xml
index f0dfb1e..4a3915f 100644
--- a/WebRTCController/app/src/main/res/layout/activity_main.xml
+++ b/WebRTCController/app/src/main/res/layout/activity_main.xml
@@ -31,7 +31,7 @@
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:layout_marginBottom="16dp"
-            android:hint="ws://175.178.213.60:8088/ws/signal"
+            android:hint="wss://www.ttstd.com/signal"
             android:inputType="textUri" />
 
         <TextView
diff --git a/WebRTCControllerWeb/src/store/controllerStore.js b/WebRTCControllerWeb/src/store/controllerStore.js
index 60e92fc..a18166b 100644
--- a/WebRTCControllerWeb/src/store/controllerStore.js
+++ b/WebRTCControllerWeb/src/store/controllerStore.js
@@ -19,7 +19,7 @@ export const DEFAULT_ICE_SERVERS = [
 ];
 
 export const store = reactive({
-  serverUrl: 'ws://175.178.213.60:8088/ws/signal',
+  serverUrl: 'wss://www.ttstd.com/signal',
   deviceId: '',
   targetDeviceId: '',
   iceServers: DEFAULT_ICE_SERVERS,
diff --git a/webrtc_controller_flutter/lib/config/ice_servers.dart b/webrtc_controller_flutter/lib/config/ice_servers.dart
index b79844f..1f0694a 100644
--- a/webrtc_controller_flutter/lib/config/ice_servers.dart
+++ b/webrtc_controller_flutter/lib/config/ice_servers.dart
@@ -20,7 +20,7 @@ const List<Map<String, dynamic>> kIceServers = [
 ];
 
 /// 信令 WebSocket 默认地址。
-const String kDefaultSignalServer = 'ws://175.178.213.60:8088/ws/signal';
+const String kDefaultSignalServer = 'wss://www.ttstd.com/signal';
 
 /// DataChannel 标签，控制端与被控端需一致。
 const String kDataChannelLabel = 'control_channel';
diff --git a/webrtc_controller_flutter/lib/main.dart b/webrtc_controller_flutter/lib/main.dart
index f615098..5d8f9c6 100644
--- a/webrtc_controller_flutter/lib/main.dart
+++ b/webrtc_controller_flutter/lib/main.dart
@@ -473,7 +473,7 @@ class _ControllerHomeState extends State<ControllerHome> {
             const SizedBox(height: 8),
             CupertinoTextField(
               controller: _serverUrlController,
-              placeholder: 'ws://175.178.213.60:8088/ws/signal',
+              placeholder: 'wss://www.ttstd.com/signal',
               padding: const EdgeInsets.symmetric(vertical: 12, horizontal: 12),
             ),
             const SizedBox(height: 16),