diff --git a/WebRTCControlled/app/src/main/java/com/ttstd/controlled/MainActivity.java b/WebRTCControlled/app/src/main/java/com/ttstd/controlled/MainActivity.java
index 674c272..bd1c2bf 100644
--- a/WebRTCControlled/app/src/main/java/com/ttstd/controlled/MainActivity.java
+++ b/WebRTCControlled/app/src/main/java/com/ttstd/controlled/MainActivity.java
@@ -75,7 +75,7 @@ public class MainActivity extends AppCompatActivity {
         localView = findViewById(R.id.local_view);
 
         // 默认服务器地址
-        etServerUrl.setText("ws://192.168.100.222:8080/ws/signal");
+        etServerUrl.setText("ws://175.178.213.60:8088/ws/signal");
         // 生成设备ID
 //        etDeviceId.setText("controlled_" + UUID.randomUUID().toString().substring(0, 8));
 
diff --git a/WebRTCControlled/app/src/main/res/layout/activity_main.xml b/WebRTCControlled/app/src/main/res/layout/activity_main.xml
index a84d7b0..c9fe8c7 100644
--- a/WebRTCControlled/app/src/main/res/layout/activity_main.xml
+++ b/WebRTCControlled/app/src/main/res/layout/activity_main.xml
@@ -24,7 +24,7 @@
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:layout_marginBottom="16dp"
-        android:hint="ws://192.168.100.222:8080/ws/signal"
+        android:hint="ws://175.178.213.60:8088/ws/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 42ec7c1..a01e5cf 100644
--- a/WebRTCController/app/src/main/java/com/ttstd/controller/MainActivity.java
+++ b/WebRTCController/app/src/main/java/com/ttstd/controller/MainActivity.java
@@ -81,7 +81,7 @@ public class MainActivity extends AppCompatActivity {
         tvStats = findViewById(R.id.tv_stats);
 
         // 默认服务器地址
-        etServerUrl.setText("ws://192.168.100.222:8080/ws/signal");
+        etServerUrl.setText("ws://175.178.213.60:8088/ws/signal");
         // 生成设备ID
         myDeviceId = "controller_" + UUID.randomUUID().toString().substring(0, 8);
         etDeviceId.setText(myDeviceId);
diff --git a/WebRTCController/app/src/main/res/layout/activity_main.xml b/WebRTCController/app/src/main/res/layout/activity_main.xml
index 02ac739..6806094 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://192.168.100.222:8080/ws/signal"
+            android:hint="ws://175.178.213.60:8088/ws/signal"
             android:inputType="textUri" />
 
         <TextView
diff --git a/webrtc_controller_flutter/lib/config/ice_servers.dart b/webrtc_controller_flutter/lib/config/ice_servers.dart
index c6ed220..b79844f 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://192.168.100.222:8080/ws/signal';
+const String kDefaultSignalServer = 'ws://175.178.213.60:8088/ws/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 538bd28..9b62707 100644
--- a/webrtc_controller_flutter/lib/main.dart
+++ b/webrtc_controller_flutter/lib/main.dart
@@ -145,7 +145,7 @@ class _ControllerHomeState extends State<ControllerHome> {
           TextField(
             controller: _serverUrlController,
             decoration: const InputDecoration(
-              hintText: 'ws://192.168.100.222:8080/ws/signal',
+              hintText: 'ws://175.178.213.60:8088/ws/signal',
             ),
           ),
           const SizedBox(height: 16),