diff --git a/JianGongYun/TRTC/LiveClassroom.cs b/JianGongYun/TRTC/LiveClassroom.cs
index db72085..6c5075b 100644
--- a/JianGongYun/TRTC/LiveClassroom.cs
+++ b/JianGongYun/TRTC/LiveClassroom.cs
@@ -147,7 +147,10 @@ namespace JianGongYun.TRTC
             WSClient.ReconnectionHappened.Subscribe((info) =>
             {
                 Console.WriteLine($"Reconnection happened, type: {info.Type}");
-                WSClient.Send($"{{code:10000,nick:\"{CurrentClassroomEntity.TeacherName}\",\"room\":\"push_{ClassId}\"}}");//进房间
+                if (WSClient.IsRunning)
+                {
+                    WSClient.Send($"{{code:10000,nick:\"{CurrentClassroomEntity.TeacherName}\",\"room\":\"push_{ClassId}\"}}");//进房间
+                }
                 liveWinMode.WSConneced = true;
             });
             WSClient.DisconnectionHappened.Subscribe((info) =>
@@ -164,7 +167,10 @@ namespace JianGongYun.TRTC
             Heartbeat.Interval = TimeSpan.FromSeconds(5);
             Heartbeat.Tick += new EventHandler((a, b) =>
             {
-                WSClient.Send("{code:10016}");//向服务器发送心跳包
+                if (WSClient.IsRunning)
+                {
+                    WSClient.Send("{code:10016}");//向服务器发送心跳包
+                }
             });
             Heartbeat.Start();
 
@@ -456,7 +462,7 @@ namespace JianGongYun.TRTC
         {
             if (liveWinMode.MicRunning)
             {
-                if (tag=="mic")
+                if (tag == "mic")
                 {
                     liveWinMode.MicMute = mute.HasValue ? mute.Value : !liveWinMode.MicMute;
                     if (liveWinMode.MicMute)