更改了现场发现的问题

CapMachine.Wpf/Models/Tag/ITag.cs

@@ -54,7 +54,7 @@ namespace CapMachine.Wpf.Models.Tag
         /// <summary>
         /// 工程值 Mv
         /// </summary>
-        double EngMvValue { get; set; }
+        short EngMvValue { get; set; }
 
         /// <summary>
         /// 工程值的字符串 Mv

CapMachine.Wpf/Models/Tag/Tag.cs

@@ -235,11 +235,11 @@ namespace CapMachine.Wpf.Models.Tag
         }
 
 
-        private double _EngMvValue;
+        private short _EngMvValue;
         /// <summary>
         /// 工程值 MV
         /// </summary>
-        public double EngMvValue
+        public short EngMvValue
         {
             get { return _EngMvValue; }
             set
@@ -249,7 +249,7 @@ namespace CapMachine.Wpf.Models.Tag
                 {
                     RaisePropertyChanged();
                 }
-                EngMvValueStr = Math.Round(value, DecimalPoint).ToString();
+                EngMvValueStr = value.ToString();
             }
         }