diff --git a/WebRTCControlled/app/src/main/java/com/ttstd/controlled/webrtc/SelfCodecEncoder.java b/WebRTCControlled/app/src/main/java/com/ttstd/controlled/webrtc/SelfCodecEncoder.java
index f48607e..57fe4cb 100644
--- a/WebRTCControlled/app/src/main/java/com/ttstd/controlled/webrtc/SelfCodecEncoder.java
+++ b/WebRTCControlled/app/src/main/java/com/ttstd/controlled/webrtc/SelfCodecEncoder.java
@@ -29,8 +29,8 @@ public class SelfCodecEncoder {
     // ---- 自定义二进制协议（与控制端 SelfCodecDecoder 保持一致）----
     private static final byte MAGIC = (byte) 0xAB;
     private static final int CHUNK_SIZE = 16384;         // 每个 DataChannel 分片大小
-    private static final int UNIT_TYPE_CONFIG = 1;       // SPS/PPS 等参数集
-    private static final int UNIT_TYPE_FRAME = 2;        // 编码帧
+    private static final byte UNIT_TYPE_CONFIG = 1;       // SPS/PPS 等参数集
+    private static final byte UNIT_TYPE_FRAME = 2;        // 编码帧
 
     private static final String TAG = "SelfCodecEncoder";
 
diff --git a/WebRTCController/app/src/main/java/com/ttstd/controller/webrtc/WebRtcClient.java b/WebRTCController/app/src/main/java/com/ttstd/controller/webrtc/WebRtcClient.java
index ff9f108..e224a4b 100644
--- a/WebRTCController/app/src/main/java/com/ttstd/controller/webrtc/WebRtcClient.java
+++ b/WebRTCController/app/src/main/java/com/ttstd/controller/webrtc/WebRtcClient.java
@@ -64,6 +64,10 @@ public class WebRtcClient {
         void onDisconnected();
     }
 
+    public interface StreamModeReportListener {
+        void onStreamModeReported(int mode);
+    }
+
     private ConnectionListener connectionListener;
 
     public WebRtcClient(Context context, WebSocketClient wsClient, String deviceId) {
@@ -395,7 +399,7 @@ public class WebRtcClient {
     }
 
     private void sendIceCandidate(IceCandidate candidate, String controlledId) {
-        Log.e(TAG, "sendIceCandidate: " );
+        Log.d(TAG, "sendIceCandidate: " );
         SignalMessage msg = new SignalMessage();
         msg.setType("ICE_CANDIDATE");
         msg.setFromDeviceId(deviceId);
diff --git a/WebRTCController/app/src/main/res/layout/activity_main.xml b/WebRTCController/app/src/main/res/layout/activity_main.xml
index a182f7a..f0dfb1e 100644
--- a/WebRTCController/app/src/main/res/layout/activity_main.xml
+++ b/WebRTCController/app/src/main/res/layout/activity_main.xml
@@ -160,8 +160,9 @@
                 android:backgroundTint="#E53935"
                 android:text="断开连接"
                 android:textColor="@android:color/white" />
+
             <Switch
-                android:id="@+rid/switch_stream_mode"
+                android:id="@+id/switch_stream_mode"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:layout_marginTop="6dp"
@@ -170,7 +171,7 @@
                 android:textSize="12sp" />
 
             <TextView
-                android:id="@+rid/tv_stream_mode"
+                android:id="@+id/tv_stream_mode"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:layout_marginTop="2dp"