diff --git a/Core.go b/Core.go
index c7f1358..2a88208 100644
--- a/Core.go
+++ b/Core.go
@@ -179,13 +179,9 @@ void SetPTZPOS(LONG lUserID,char* P,char* T,char *Z)
 {
     LONG lTranHandle = NET_DVR_SerialStart(lUserID, 2,g_fSerialDataCallBack,6);
     LONG lSerialChan = 0;
-	sleep(1);
     NET_DVR_SerialSend(lTranHandle, lSerialChan, P, 7);
-    sleep(1);
     NET_DVR_SerialSend(lTranHandle, lSerialChan, T, 7);
-    sleep(1);
     NET_DVR_SerialSend(lTranHandle, lSerialChan, Z, 7);
-    sleep(1);
     NET_DVR_SerialStop(lTranHandle);
 	sleep(1);
 }