diff --git a/SlnMesnac.Business/AutoModeBusiness.cs b/SlnMesnac.Business/AutoModeBusiness.cs
index 4c3df07..0220ff2 100644
--- a/SlnMesnac.Business/AutoModeBusiness.cs
+++ b/SlnMesnac.Business/AutoModeBusiness.cs
@@ -150,13 +150,6 @@ namespace SlnMesnac.Business
                 List<base_cabinet_info> cabinet_Infos = new List<base_cabinet_info>();
                 base.GetCabinetInfos(address, out cabinet_Infos);
 
-                if (!_plc.writeInt32ByAddress("VD1516", 1)) //下发轨道电机启动信号
-                {
-                    throw new ArgumentException($"启动信号写入PLC失败；VD1516写1");
-                }
-
-                _log.Info($"启动信号写入PLC成功；VD1516写1");
-
                 foreach (var item in cabinet_Infos)
                 {
 
@@ -402,5 +395,19 @@ namespace SlnMesnac.Business
 
             return deviceStatusFlag;
         }
+
+        /// <summary>
+        /// 取消PLC工作模式
+        /// </summary>
+        /// <exception cref="ArgumentException"></exception>
+        public void ClearPlcMode()
+        {
+            if (!_plc.writeInt32ByAddress("VD1536", 0)) //工作模式:1-自动；2-巡检；3-手动；0-取消
+            {
+                throw new ArgumentException($"工作模式:取消；写入PLC失败；VD1536写0");
+            }
+
+            _log.Info($"工作模式:取消；写入PLC成功；VD1536写0");
+        }
     }
 }
diff --git a/SlnMesnac.Business/FixedPointBusiness.cs b/SlnMesnac.Business/FixedPointBusiness.cs
index 719635e..4d12b35 100644
--- a/SlnMesnac.Business/FixedPointBusiness.cs
+++ b/SlnMesnac.Business/FixedPointBusiness.cs
@@ -55,7 +55,7 @@ namespace SlnMesnac.Business
 
                     Task.Delay(1000).Wait();
 
-                    base.InitEquip(2); //判断PLC状态，下发工作模式
+                    base.InitEquip(3); //判断PLC状态，下发工作模式
 
                     if (!isFlag)
                     {
@@ -63,14 +63,6 @@ namespace SlnMesnac.Business
                         return;
                     }
 
-
-                    if (!_plc.writeInt32ByAddress("VD1516", 1)) //下发轨道电机启动信号
-                    {
-                        throw new ArgumentException($"定点巡检模式启动信号写入PLC失败；VD1516写1");
-                    }
-
-                    _log.Info($"定点巡检模式启动信号写入PLC成功；VD1516写1");
-
                     SendTrackMotorAddress(busbarInfo);
 
                     isFlag = false;
diff --git a/SlnMesnac.Business/InspModeBusiness.cs b/SlnMesnac.Business/InspModeBusiness.cs
index f5e9dc6..d30bd9b 100644
--- a/SlnMesnac.Business/InspModeBusiness.cs
+++ b/SlnMesnac.Business/InspModeBusiness.cs
@@ -81,7 +81,7 @@ namespace SlnMesnac.Business
 
                     isFlag = true;
 
-                    base.InitEquip(1); //判断PLC状态，下发工作模式
+                    base.InitEquip(2); //判断PLC状态，下发工作模式
 
                     int address = _plc.readInt32ByAddress("VD1100");    //读取轨道电机当前位置，判断原点及起始位置
 
@@ -95,13 +95,6 @@ namespace SlnMesnac.Business
                     List<base_cabinet_info> cabinet_Infos = new List<base_cabinet_info>();
                     base.GetCabinetInfos(address, out cabinet_Infos);
 
-                    if (!_plc.writeInt32ByAddress("VD1516", 1)) //下发轨道电机启动信号
-                    {
-                        throw new ArgumentException($"启动信号写入PLC失败；VD1516写1");
-                    }
-
-                    _log.Info($"启动信号写入PLC成功；VD1516写1");
-
                     foreach (var item in cabinet_Infos)
                     {
 
diff --git a/SlnMesnac.WPF/ViewModel/IndexControlViewModel.cs b/SlnMesnac.WPF/ViewModel/IndexControlViewModel.cs
index 4527ac9..226b5da 100644
--- a/SlnMesnac.WPF/ViewModel/IndexControlViewModel.cs
+++ b/SlnMesnac.WPF/ViewModel/IndexControlViewModel.cs
@@ -605,6 +605,8 @@ namespace SlnMesnac.WPF.ViewModel
         public void Stop_AutoMode()
         {
             autoModeBusiness.Stop();
+
+            autoModeBusiness.ClearPlcMode();
         }
 
         /// <summary>
@@ -624,11 +626,15 @@ namespace SlnMesnac.WPF.ViewModel
         public void Stop_InspMode()
         {
             inspModeBusiness.Stop();
+
+            autoModeBusiness.ClearPlcMode();
         }
 
         public void Stop_PointMode()
         {
             fixedPointBusiness.EndFixedPoint(null,true);
+
+            autoModeBusiness.ClearPlcMode();
         }
 
         private int lastTrackMotorAddress = 0;