diff --git a/DH.Devices.Vision/SimboVisionDriver.cs b/DH.Devices.Vision/SimboVisionDriver.cs
index 37efa21..afa5444 100644
--- a/DH.Devices.Vision/SimboVisionDriver.cs
+++ b/DH.Devices.Vision/SimboVisionDriver.cs
@@ -36,7 +36,20 @@ namespace DH.Devices.Vision
           //  ImageSaveHelper.OnImageSaveExceptionRaised += ImageSaveHelper_OnImageSaveExceptionRaised;
           //  base.Init();
         }
-
+        public  void Stop()
+        {
+            SimboStationMLEngineList.ToList().ForEach(sm =>
+            {
+                if (sm.IsUseGPU)
+                {
+                    sm.StationMLEngine.Dispose();
+                }
+                else
+                {
+                    sm.StationMLEngine.Dispose2();
+                }
+            });
+        }
         //private void ImageSaveHelper_OnImageSaveExceptionRaised(DateTime dt, string msg)
         //{
         //    LogAsync(new LogMsg(dt, LogLevel.Error, msg));
diff --git a/DHSoftware/MainWindow.cs b/DHSoftware/MainWindow.cs
index fa2fc4d..8754f09 100644
--- a/DHSoftware/MainWindow.cs
+++ b/DHSoftware/MainWindow.cs
@@ -517,7 +517,7 @@ namespace DHSoftware
                 {
                     PLC.CloseProcess();
                 }
-
+                _visionEngine.Stop();//释放模型
                 CloseWindow.Instance.Close();// 关闭提示窗口
                                              //Application.Exit();
                 System.Environment.Exit(0);