优化 LCUS1 改为用定时器1s 写入一次状态。 就是LCUS1 模块有问题，多次写入应该能提高执行性。

Project.FLY.Thick.Base/FLY.Thick.Base.UI/DependOn/LCUS1_dependOn.cs

@@ -19,8 +19,7 @@ namespace FLY.Thick.Base.UI
             this.paramDictionary = paramDictionary;
             //绑定 this.PortName 与 this.paramDictionary.LCUS1_PortName
             this.paramDictionary.SetBinding(this, nameof(PortName), ParamDistItemKeys.LCUS1_PortName, "COM1");
-
-            Off();
+            this.paramDictionary.SetBinding(this, nameof(Enable), ParamDistItemKeys.LCUS1_Enable, false);
         }
     }
 }

Project.FLY.Thick.Base/FLY.Thick.Base.UI/LCUS1.cs

@@ -5,6 +5,7 @@ using System.IO.Ports;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
+using System.Windows.Threading;
 
 namespace FLY.Thick.Base.UI
 {
@@ -14,48 +15,61 @@ namespace FLY.Thick.Base.UI
         public string ErrMsg { get; set; }
 
         public event PropertyChangedEventHandler PropertyChanged;
+        DispatcherTimer timer;
 
-        public void On()
+        public bool IsOn { get; set; }
+        private bool enable;
+        public bool Enable 
         {
-            Task.Factory.StartNew(() =>
-            {
-                try
-                {
-                    SerialPort serial = new SerialPort();
-                    serial.PortName = PortName;
-                    serial.BaudRate = 9600;
-                    serial.Open();
-                    byte[] buf = new byte[] { 0xa0, 0x01, 0x01, 0xa2 };
-                    serial.Write(buf, 0, buf.Length);
-                    serial.Close();
-                    ErrMsg = $"{DateTime.Now} ON";
+            get {
+                return enable;
+            }
+            set {
+                if (enable != value) {
+                    enable = value;
+                    timer.IsEnabled = enable;
                 }
-                catch (Exception e)
-                {
-                    ErrMsg = e.Message;
-                }
-            });
+            }
         }
-        public void Off()
+        public LCUS1() {
+            timer = new DispatcherTimer();
+            timer.Interval = TimeSpan.FromSeconds(1);
+            timer.Tick += Timer_Tick;
+        }
+        
+        private void Timer_Tick(object sender, EventArgs e)
         {
-            Task.Factory.StartNew(() =>
+            //每1秒都写状态。 避免通讯不上
+            try
             {
-                try
-                {
-                    SerialPort serial = new SerialPort();
-                    serial.PortName = PortName;
-                    serial.BaudRate = 9600;
-                    serial.Open();
-                    byte[] buf = new byte[] { 0xa0, 0x01, 0x00, 0xa1 };
-                    serial.Write(buf, 0, buf.Length);
-                    serial.Close();
-                    ErrMsg = $"{DateTime.Now} OFF";
-                }
-                catch (Exception e)
-                {
-                    ErrMsg = e.Message;
-                }
-            });
+                SerialPort serial = new SerialPort();
+                serial.PortName = PortName;
+                serial.BaudRate = 9600;
+                serial.Open();
+                byte[] buf;
+                if (IsOn) 
+                    buf = new byte[] { 0xa0, 0x01, 0x01, 0xa2 };
+                else
+                    buf = new byte[] { 0xa0, 0x01, 0x00, 0xa1 };
+
+                serial.Write(buf, 0, buf.Length);
+                serial.Close();
+                string msg = IsOn ? "On" : "Off";
+                ErrMsg = $"{DateTime.Now} {msg}";
+            }
+            catch (Exception _e)
+            {
+                ErrMsg = _e.Message;
+            }
+        }
+
+        public void On()
+        {
+            IsOn = true;
+        }
+        public void Off()
+        {
+            IsOn = false;
         }
     }
 }

Project.FLY.Thick.Base/FLY.Thick.Base.UI/OnInit/OnInitLcus1_Multi.cs

@@ -37,7 +37,7 @@ namespace FLY.Thick.Base.UI.OnInit
             {
                 if (e.PropertyName == nameof(warningSystemManager.IsRinging))
                 {
-                    if (this.paramDictionary.GetValue(ParamDistItemKeys.LCUS1_Enable, false))
+                    if (lcus1.Enable)
                     {
                         if (warningSystemManager.IsRinging)
                             lcus1.On();

Project.FLY.Thick.Base/FLY.Thick.Base.UI/OnInit/OnInitLcus1_One.cs

@@ -37,7 +37,7 @@ namespace FLY.Thick.Base.UI.OnInit
             {
                 if (e.PropertyName == nameof(warningService.IsRinging))
                 {
-                    if (this.paramDictionary.GetValue(ParamDistItemKeys.LCUS1_Enable, false))
+                    if (lcus1.Enable)
                     {
                         if (warningService.IsRinging)
                             lcus1.On();