Crabtree/SmartHome/UI/SimpleControl/Phone/Room/UserDeviceListPage.cs
@@ -496,8 +496,15 @@
                                dialogBottomView.AddChidren (editor);
                                editor.MouseUpEventHandler += (dff, ffd) => {
                                    MainPage.Loading.Start ();
                                    byte [] remakeBytes = CommonPage.MyEncodingGB2312.GetBytes (etDeviceName.Text.Trim ());
                                    if (remakeBytes.Length > 20) {
                                        new Alert ("", "Remark length exceeded the limit. ", "Close").Show ();
                                        return;
                                    }
                                    MainPage.Loading.Start ();
                                    //byte [] remakeBytes = CommonPage.MyEncodingGB2312.GetBytes (etDeviceName.Text.Trim ());
                                    System.Threading.Tasks.Task.Run (() => {
                                        byte [] updateBytes = null;
                                        if (commonDevice.Type == DeviceType.LightSwitchSocket) {