diff --git a/xplan-ios/Main/RTC/RtcImpl/AgoraRtcImpl.m b/xplan-ios/Main/RTC/RtcImpl/AgoraRtcImpl.m
index aa560d4e..86494d88 100644
--- a/xplan-ios/Main/RTC/RtcImpl/AgoraRtcImpl.m
+++ b/xplan-ios/Main/RTC/RtcImpl/AgoraRtcImpl.m
@@ -55,7 +55,6 @@
 
 - (void)broadcast:(BOOL)on {
     [self.engine setClientRole:on ? AgoraClientRoleBroadcaster : AgoraClientRoleAudience];
-    [self.engine muteLocalAudioStream:!on];
 }
 
 - (BOOL)muteLocal:(BOOL)mute {