diff --git a/CapMachine.Wpf/CanDrive/ToomossCan.cs b/CapMachine.Wpf/CanDrive/ToomossCan.cs
index 8325922..258c6fe 100644
--- a/CapMachine.Wpf/CanDrive/ToomossCan.cs
+++ b/CapMachine.Wpf/CanDrive/ToomossCan.cs
@@ -33,6 +33,9 @@ namespace CapMachine.Wpf.CanDrive
         {
             ContainerProvider = containerProvider;
             HighSpeedDataService = ContainerProvider.Resolve<HighSpeedDataService>();
+
+            //Stopwatch.Frequency表示高精度计时器每秒的计数次数（ticks/秒）每毫秒的ticks数 = 每秒的ticks数 ÷ 1000
+            TicksPerMs = Stopwatch.Frequency / 1000.0;
         }
 
         /// <summary>