diff --git a/YuMi/Modules/YMRTC/RtcImpl/AgoraRtcImpl.m b/YuMi/Modules/YMRTC/RtcImpl/AgoraRtcImpl.m
index 33d5d474..b20b882f 100644
--- a/YuMi/Modules/YMRTC/RtcImpl/AgoraRtcImpl.m
+++ b/YuMi/Modules/YMRTC/RtcImpl/AgoraRtcImpl.m
@@ -83,7 +83,7 @@
     AgoraChannelMediaRelayConfiguration *config = [[AgoraChannelMediaRelayConfiguration alloc]init];
     config.sourceInfo = [[AgoraChannelMediaRelayInfo alloc]initWithToken:nil];
     AgoraChannelMediaRelayInfo *destinationInfo = [[AgoraChannelMediaRelayInfo alloc]initWithToken:nil];
-    [config setDestinationInfo:destinationInfo forChannelName:uid];
+    [config setDestinationInfo:destinationInfo forChannelName:roomUid];
     [self.engine startOrUpdateChannelMediaRelay:config];
 }