diff --git a/platform/Apple/source/CicadaPlayer.h b/platform/Apple/source/CicadaPlayer.h
index 65508a8d8..4f97f3df8 100644
--- a/platform/Apple/source/CicadaPlayer.h
+++ b/platform/Apple/source/CicadaPlayer.h
@@ -275,6 +275,16 @@ OBJC_EXPORT
  */
 -(NSString *) getPropertyString:(CicadaPropertyKey)key;
 
+/**
+ @brief 设置多码率时默认播放的码率。将会选择与之最接近的一路流播放。
+ @param bandWidth 播放的码率。
+ */
+/****
+ @brief Set the default playback bitrate for multi-bit rate. The nearest stream will be selected.
+ @param bandWidth bit rate .
+ */
+-(void) setDefaultBandWidth:(int)bandWidth;
+
 /**
  @brief 获取SDK版本号信息
  */
diff --git a/platform/Apple/source/CicadaPlayer.mm b/platform/Apple/source/CicadaPlayer.mm
index b44e347f4..0ed83bcbc 100644
--- a/platform/Apple/source/CicadaPlayer.mm
+++ b/platform/Apple/source/CicadaPlayer.mm
@@ -828,6 +828,13 @@ -(NSString *) getPropertyString:(CicadaPropertyKey)key
     return @"";
 }
 
+-(void) setDefaultBandWidth:(int)bandWidth
+{
+    if (self.player) {
+        self.player->SetDefaultBandWidth(bandWidth);
+    }
+}
+
 + (NSString *) getSDKVersion
 {
     string version = MediaPlayer::GetSdkVersion();