diff --git a/PlaneGcsSdk_Shared/Copters/CopterImplSharedPart.cs b/PlaneGcsSdk_Shared/Copters/CopterImplSharedPart.cs
index d822912..2da9e88 100644
--- a/PlaneGcsSdk_Shared/Copters/CopterImplSharedPart.cs
+++ b/PlaneGcsSdk_Shared/Copters/CopterImplSharedPart.cs
@@ -170,6 +170,7 @@ namespace Plane.Copters
                     await Task.Delay(_intervalToUpdateFlightTimeSpan).ConfigureAwait(false);
                 }
             });
+            
             Task.Run(async () =>
             {
                 while (true)
@@ -182,9 +183,10 @@ namespace Plane.Copters
                     {
                         StatusText = null;
                     }
-                    await Task.Delay(50);
+                    await Task.Delay(500);  //50
                 }
             });
+            
             Task.Run(async () =>
             {
                 var lastHeartbeatCount = HeartbeatCount;
diff --git a/PlaneGcsSdk_Shared/Copters/PLCopter.cs b/PlaneGcsSdk_Shared/Copters/PLCopter.cs
index acbc1ae..658960c 100644
--- a/PlaneGcsSdk_Shared/Copters/PLCopter.cs
+++ b/PlaneGcsSdk_Shared/Copters/PLCopter.cs
@@ -221,12 +221,16 @@ namespace Plane.Copters
             var stopwatch = Stopwatch.StartNew();
             while (true)
             {
-                for (int ii = 0; ii < 5; ii++)
+               /* for (int ii = 0; ii < 5; ii++)
                 {
                     await _internalCopter.SetParam2Async(paramName, paramValue).ConfigureAwait(false);
                     await Task.Delay(5).ConfigureAwait(false);
                 }
-                
+                */
+
+                await _internalCopter.SetParam2Async(paramName, paramValue).ConfigureAwait(false);
+                await Task.Delay(5).ConfigureAwait(false);
+
                 int i = 0;
                 try
                 {
@@ -235,7 +239,7 @@ namespace Plane.Copters
                     //    await Task.Delay(5).ConfigureAwait(false);
                     //}
                     
-                    if (await _internalCopter.GetParamAsync(paramName, 1000) == paramValue)
+                   // if (await _internalCopter.GetParamAsync(paramName, millisecondsTimeout) == paramValue)
                     {
                         i = 1;
                     }
diff --git a/PlaneGcsSdk_Shared/Copters/PlaneCopter.cs b/PlaneGcsSdk_Shared/Copters/PlaneCopter.cs
index b34527c..161ee1a 100644
--- a/PlaneGcsSdk_Shared/Copters/PlaneCopter.cs
+++ b/PlaneGcsSdk_Shared/Copters/PlaneCopter.cs
@@ -212,7 +212,7 @@ namespace Plane.Copters
                             autopilot = (byte)MAVLink.MAV_AUTOPILOT.GENERIC,
                             mavlink_version = 3,
                         };
-                        await SendPacketAsync(htb).ConfigureAwait(false);  //发心跳包
+    //                    await SendPacketAsync(htb).ConfigureAwait(false);  //发心跳包
 #if DEBUG && LOG_PACKETS
                         if (!_sendHeartbeatStopwatch.IsRunning)
                         {