diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
deleted file mode 100644
index 61bef0e..0000000
--- a/.github/workflows/codeql.yml
+++ /dev/null
@@ -1,30 +0,0 @@
-name: codeql
-
-on:
-  push:
-    branches: [ master ]
-
-jobs:
-  analyze:
-    name: Analyze
-    strategy:
-      fail-fast: false
-      matrix:
-        language: [ "cpp", "java", "javascript" ]
-    runs-on: ubuntu-latest
-    steps:
-    - name: Checkout repository
-      uses: actions/checkout@v2
-    - name: Set up JDK
-      uses: actions/setup-java@v1
-      with:
-        java-version: 17
-    - name: Initialize CodeQL
-      uses: github/codeql-action/init@v2
-      with:
-        languages: ${{ matrix.language }}
-    - name: Autobuild
-      uses: github/codeql-action/autobuild@v2
-    - name: Perform CodeQL Analysis
-      uses: github/codeql-action/analyze@v2
-      
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
index e60d0e2..381236c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,12 +3,12 @@
 .classpath
 .factorypath
 
-package-lock.json
-
-.vscode
-
 dist
 logs
 build
 target
 node_modules
+
+.vscode
+
+package-lock.json
diff --git a/README.md b/README.md
index 5ab8611..ee67f02 100644
--- a/README.md
+++ b/README.md
@@ -17,8 +17,6 @@
 
 ----
 
-> 当前程序处于开发阶段，大部分功能没有实现，可以使用的功能也没有经过大量测试，建议不要用于生产。
-
 ## 模块
 
 |模块|名称|描述|
@@ -45,7 +43,7 @@
 |控制|支持|完成|部分控制信令|
 |拍照|支持|完成|拍照|
 |录像|支持|完成|录制|
-|混音|支持|暂未实现|多路混音|
+|混音|支持|完成|多路混音|
 |水印|支持|完成|视频水印|
 
 > 注意：Web终端不支持同时进入多个视频房间，安卓终端支持同时进入多个视频房间。
diff --git a/docs/TODO.md b/docs/TODO.md
index eecb97d..891e120 100644
--- a/docs/TODO.md
+++ b/docs/TODO.md
@@ -13,6 +13,7 @@
 
 ## 计划任务
 
+* 录制底噪
 * 分辨率调整
 * 查询消费者生产者信息
 
diff --git a/taoyao-client-android/taoyao/media/src/main/java/com/acgist/taoyao/media/audio/MixerProcesser.java b/taoyao-client-android/taoyao/media/src/main/java/com/acgist/taoyao/media/audio/MixerProcesser.java
index ee862b8..e01ba9e 100644
--- a/taoyao-client-android/taoyao/media/src/main/java/com/acgist/taoyao/media/audio/MixerProcesser.java
+++ b/taoyao-client-android/taoyao/media/src/main/java/com/acgist/taoyao/media/audio/MixerProcesser.java
@@ -117,13 +117,15 @@ public class MixerProcesser extends Thread implements JavaAudioDeviceModule.Samp
                 if(this.source == Source.NATIVE) {
                     recordSize = this.audioRecord.read(byteBuffer, byteBuffer.capacity());
                     if(recordSize != byteBuffer.capacity()) {
+                        Thread.yield();
                         continue;
                     }
                     recordData = Arrays.copyOfRange(byteBuffer.array(), byteBuffer.arrayOffset(), byteBuffer.capacity() + byteBuffer.arrayOffset());
                     pts += recordData.length * (1_000_000 / this.sampleRate / 2);
                     this.recordClient.onPcm(pts, recordData);
                 } else if(this.source == Source.WEBRTC) {
-                    local  = this.local.poll(100, TimeUnit.MILLISECONDS);
+                    // 平均10毫秒
+                    local  = this.local.poll(64, TimeUnit.MILLISECONDS);
                     remote = this.remote.poll();
                     if(local != null && remote != null) {
 //                      Log.d(MixerProcesser.class.getSimpleName(), String.format("""
@@ -161,9 +163,11 @@ public class MixerProcesser extends Thread implements JavaAudioDeviceModule.Samp
                         pts += remoteData.length * (1_000_000 / remote.getSampleRate() / 2);
                         this.recordClient.onPcm(pts, remoteData);
                     } else {
+                        Thread.yield();
                         continue;
                     }
                 } else {
+                    Thread.yield();
                 }
             } catch (Exception e) {
                 Log.e(MixerProcesser.class.getSimpleName(), "音频处理异常", e);
diff --git a/taoyao-client-android/taoyao/media/src/main/java/com/acgist/taoyao/media/client/RecordClient.java b/taoyao-client-android/taoyao/media/src/main/java/com/acgist/taoyao/media/client/RecordClient.java
index 271ea1b..bd0539e 100644
--- a/taoyao-client-android/taoyao/media/src/main/java/com/acgist/taoyao/media/client/RecordClient.java
+++ b/taoyao-client-android/taoyao/media/src/main/java/com/acgist/taoyao/media/client/RecordClient.java
@@ -233,7 +233,7 @@ public class RecordClient extends Client implements VideoSink {
                 bufferInfo.presentationTimeUs -= pts;
                 this.mediaMuxer.writeSampleData(trackIndex, outputBuffer, bufferInfo);
                 this.audioCodec.releaseOutputBuffer(outputIndex, false);
-                Log.d(RecordClient.class.getSimpleName(), "录制音频帧（时间戳）：" + bufferInfo.flags + " - " + (bufferInfo.presentationTimeUs / 1_000_000F));
+//              Log.d(RecordClient.class.getSimpleName(), "录制音频帧（时间戳）：" + (bufferInfo.presentationTimeUs / 1_000_000F));
 //              if (bufferInfo.flags & MediaCodec.BUFFER_FLAG_KEY_FRAME == MediaCodec.BUFFER_FLAG_KEY_FRAME) {
 //              } else if (bufferInfo.flags & MediaCodec.BUFFER_FLAG_CODEC_CONFIG == MediaCodec.BUFFER_FLAG_CODEC_CONFIG) {
 //              } else if (bufferInfo.flags & MediaCodec.BUFFER_FLAG_END_OF_STREAM == MediaCodec.BUFFER_FLAG_END_OF_STREAM) {
@@ -327,7 +327,7 @@ public class RecordClient extends Client implements VideoSink {
                 bufferInfo.presentationTimeUs -= pts;
                 this.mediaMuxer.writeSampleData(trackIndex, outputBuffer, bufferInfo);
                 this.videoCodec.releaseOutputBuffer(outputIndex, false);
-                Log.d(RecordClient.class.getSimpleName(), "录制视频帧（时间戳）：" + (bufferInfo.presentationTimeUs / 1_000_000F));
+//              Log.d(RecordClient.class.getSimpleName(), "录制视频帧（时间戳）：" + (bufferInfo.presentationTimeUs / 1_000_000F));
 //              if (bufferInfo.flags & MediaCodec.BUFFER_FLAG_KEY_FRAME == MediaCodec.BUFFER_FLAG_KEY_FRAME) {
 //              } else if (bufferInfo.flags & MediaCodec.BUFFER_FLAG_CODEC_CONFIG == MediaCodec.BUFFER_FLAG_CODEC_CONFIG) {
 //              } else if (bufferInfo.flags & MediaCodec.BUFFER_FLAG_END_OF_STREAM == MediaCodec.BUFFER_FLAG_END_OF_STREAM) {