diff --git a/taoyao-client-android/README.md b/taoyao-client-android/README.md
index 2d631d4..f3c4ce7 100644
--- a/taoyao-client-android/README.md
+++ b/taoyao-client-android/README.md
@@ -37,6 +37,12 @@
 * WebRtcAudioRecord
 * WebRtcAudioTrack
 
+## 动态修改码率
+
+```
+HardwareVideoEncoder#updateBitrate
+```
+
 ## 学习资料
 
 * https://developer.android.google.cn/docs?hl=zh-cn
diff --git a/taoyao-client-android/taoyao/media/src/main/java/com/acgist/taoyao/media/client/Room.java b/taoyao-client-android/taoyao/media/src/main/java/com/acgist/taoyao/media/client/Room.java
index 459840b..0170524 100644
--- a/taoyao-client-android/taoyao/media/src/main/java/com/acgist/taoyao/media/client/Room.java
+++ b/taoyao-client-android/taoyao/media/src/main/java/com/acgist/taoyao/media/client/Room.java
@@ -386,6 +386,8 @@ public class Room extends CloseableClient implements RouterCallback {
     /**
      * 动态设置帧率码率
      *
+     * HardwareVideoEncoder#updateBitrate()
+     *
      * @param maxFramerate 最大帧率
      * @param minBitrate   最小码率
      * @param maxBitrate   最大码率