add combinedID

Author: eagleychen

Source/LinkSDKDemo/Video/P2P/Controller/TIoTDemoPreviewDeviceVC.m

@@ -1182,7 +1182,7 @@ - (void)refushVideo:(NSNotification *)notify {
     UIViewController *view = [self getCurrentViewController];
     if ([view isMemberOfClass:[TIoTDemoPreviewDeviceVC class]]) {
         NSString *DeviceName = [notify.userInfo objectForKey:@"id"];
-        NSString *selectedName = self.deviceName?:@"";
+        NSString *selectedName = self.combinedId;
 
         if (![DeviceName isEqualToString:selectedName]) {
             return;