diff --git a/projects/IoT/IoT.Shared/DeviceServices/FBee/FBeeService.cs b/projects/IoT/IoT.Shared/DeviceServices/FBee/FBeeService.cs
index de5412f7..9cffb916 100644
--- a/projects/IoT/IoT.Shared/DeviceServices/FBee/FBeeService.cs
+++ b/projects/IoT/IoT.Shared/DeviceServices/FBee/FBeeService.cs
@@ -57,6 +57,7 @@ namespace IoT.Shared.DeviceServices.FBee
                                 ex.PrintStack();
                             }
                         }
+                        Thread.Sleep(1);
                     }
                 }
                 catch (Exception ex)
@@ -248,6 +249,7 @@ namespace IoT.Shared.DeviceServices.FBee
                             ex.PrintStack($"read stream {client.Sn} error");
                             break;
                         }
+                        Thread.Sleep(1);
                     }
                 }).Start();
                 this.X9d(client.Sn);
diff --git a/projects/IoT/IoT.Shared/DeviceServices/Onvif/OnvifDeviceManagement.cs b/projects/IoT/IoT.Shared/DeviceServices/Onvif/OnvifDeviceManagement.cs
index ce506a96..76a82b10 100644
--- a/projects/IoT/IoT.Shared/DeviceServices/Onvif/OnvifDeviceManagement.cs
+++ b/projects/IoT/IoT.Shared/DeviceServices/Onvif/OnvifDeviceManagement.cs
@@ -49,6 +49,7 @@ namespace IoT.Shared.DeviceServices.Onvif
                                 ex.PrintStack();
                             }
                         }
+                        Thread.Sleep(1);
                     }
                 }
                 catch (Exception ex)
diff --git a/projects/IoT/IoTNode/appsettings.json b/projects/IoT/IoTNode/appsettings.json
index e45ee5e9..324313b4 100644
--- a/projects/IoT/IoTNode/appsettings.json
+++ b/projects/IoT/IoTNode/appsettings.json
@@ -1,5 +1,5 @@
 {
-  "version": "1.0.0-rc.9",
+  "version": "1.0.0-rc.10",
   "Logging": {
     "LogLevel": {
       "Default": "Warning",