diff --git a/Live/src/main/cpp/live.c b/Live/src/main/cpp/live.c
index 760e596..45d6ad7 100644
--- a/Live/src/main/cpp/live.c
+++ b/Live/src/main/cpp/live.c
@@ -117,7 +117,6 @@ void *push_thread(void * args){
                 goto end;
             }
             RTMPPacket_Free(packet);
-            LOGI("RTMP_SendPacket success...");
         }
         pthread_mutex_unlock(&mutex);
     }
diff --git a/Live/src/main/java/com/frank/live/Push/AudioPusher.java b/Live/src/main/java/com/frank/live/Push/AudioPusher.java
index df84e03..426dca4 100644
--- a/Live/src/main/java/com/frank/live/Push/AudioPusher.java
+++ b/Live/src/main/java/com/frank/live/Push/AudioPusher.java
@@ -17,6 +17,7 @@ public class AudioPusher extends Pusher {
     private boolean isPushing;
     private int minBufferSize;
     private LiveUtil liveUtil;
+    private boolean isMute;
 
     AudioPusher(AudioParam audioParam, LiveUtil liveUtil){
         this.liveUtil = liveUtil;
@@ -65,16 +66,26 @@ public class AudioPusher extends Pusher {
         public void run() {
             super.run();
             audioRecord.startRecording();
-            while (isPushing){
-                byte[] audioBuffer = new byte[minBufferSize];
-                int length = audioRecord.read(audioBuffer, 0, audioBuffer.length);
-                if(length > 0){
-//                    Log.i("AudioPusher", "is recording...");
-                    liveUtil.pushAudioData(audioBuffer, length);
+            while (isPushing){//处于推流状态
+                if(!isMute){//如果不静音，才推音频流
+                    byte[] audioBuffer = new byte[minBufferSize];
+                    int length = audioRecord.read(audioBuffer, 0, audioBuffer.length);
+                    if(length > 0){
+//                        Log.i("AudioPusher", "is recording...");
+                        liveUtil.pushAudioData(audioBuffer, length);
+                    }
                 }
             }
             audioRecord.stop();
         }
     }
 
+    /**
+     * 设置静音
+     * @param isMute 是否静音
+     */
+    void setMute(boolean isMute){
+        this.isMute = isMute;
+    }
+
 }
diff --git a/Live/src/main/java/com/frank/live/Push/LivePusher.java b/Live/src/main/java/com/frank/live/Push/LivePusher.java
index cb1d684..c4a686b 100644
--- a/Live/src/main/java/com/frank/live/Push/LivePusher.java
+++ b/Live/src/main/java/com/frank/live/Push/LivePusher.java
@@ -59,4 +59,13 @@ public class LivePusher {
         audioPusher.release();
         liveUtil.release();
     }
+
+    /**
+     * 设置静音
+     * @param isMute 是否静音
+     */
+    public void setMute(boolean isMute){
+        audioPusher.setMute(isMute);
+    }
+
 }
diff --git a/app/src/main/java/com/frank/ffmpeg/activity/LiveActivity.java b/app/src/main/java/com/frank/ffmpeg/activity/LiveActivity.java
index 9907b14..14fe5ef 100644
--- a/app/src/main/java/com/frank/ffmpeg/activity/LiveActivity.java
+++ b/app/src/main/java/com/frank/ffmpeg/activity/LiveActivity.java
@@ -66,6 +66,7 @@ public class LiveActivity extends AppCompatActivity implements View.OnClickListe
     private void initView(){
         findViewById(R.id.btn_swap).setOnClickListener(this);
         ((ToggleButton)findViewById(R.id.btn_live)).setOnCheckedChangeListener(this);
+        ((ToggleButton)findViewById(R.id.btn_mute)).setOnCheckedChangeListener(this);
         SurfaceView surface_camera = (SurfaceView) findViewById(R.id.surface_camera);
         surfaceHolder = surface_camera.getHolder();
     }
@@ -87,17 +88,27 @@ public class LiveActivity extends AppCompatActivity implements View.OnClickListe
 
     @Override
     public void onClick(View v) {
-        if(v.getId() == R.id.btn_swap){
+        if(v.getId() == R.id.btn_swap){//切换摄像头
             livePusher.switchCamera();
         }
     }
 
     @Override
     public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
-        if(isChecked){
-            livePusher.startPush(LIVE_URL, this);
-        }else {
-            livePusher.stopPush();
+        switch (buttonView.getId()){
+            case R.id.btn_live://开始/停止直播
+                if(isChecked){
+                    livePusher.startPush(LIVE_URL, this);
+                }else {
+                    livePusher.stopPush();
+                }
+                break;
+            case R.id.btn_mute://设置静音
+                Log.i(TAG, "isChecked=" + isChecked);
+                livePusher.setMute(isChecked);
+                break;
+            default:
+                break;
         }
     }
 
diff --git a/app/src/main/res/layout/activity_live.xml b/app/src/main/res/layout/activity_live.xml
index 6b5f8cc..cf4ba85 100644
--- a/app/src/main/res/layout/activity_live.xml
+++ b/app/src/main/res/layout/activity_live.xml
@@ -15,7 +15,8 @@
         android:id="@+id/btn_swap"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:text="@string/swap"/>
+        android:text="@string/swap"
+        android:layout_marginTop="20dp"/>
 
     <ToggleButton
         android:id="@+id/btn_live"
@@ -25,4 +26,13 @@
         android:textOff="@string/start"
         android:layout_centerVertical="true"/>
 
+    <ToggleButton
+        android:id="@+id/btn_mute"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:textOn="@string/sound"
+        android:textOff="@string/mute"
+        android:layout_marginTop="20dp"
+        android:layout_alignParentEnd="true"/>
+
 </RelativeLayout>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index a2b1a01..685e894 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -35,5 +35,7 @@
     <string name="swap">切换</string>
     <string name="start">开始</string>
     <string name="stop">停止</string>
+    <string name="mute">静音</string>
+    <string name="sound">声音</string>
 
 </resources>