diff --git a/Rs.SkyLine/Flow/SubFlow/LaserFlow.cs b/Rs.SkyLine/Flow/SubFlow/LaserFlow.cs
index 879219f..1f9cbec 100644
--- a/Rs.SkyLine/Flow/SubFlow/LaserFlow.cs
+++ b/Rs.SkyLine/Flow/SubFlow/LaserFlow.cs
@@ -209,11 +209,13 @@ namespace Rs.MotionPlat.Flow.SubFlow
         {
             if (trayType == ETrayType.Test)
             {
-                HasProduct = Math.Abs(Math.Abs(TestHeight1 - TestHeight2) - GlobalVar.TestFixtureTrayOffsetHeight)>0.6;
+                //HasProduct = Math.Abs(Math.Abs(TestHeight1 - TestHeight2) - GlobalVar.TestFixtureTrayOffsetHeight)>0.6;
+                HasProduct = TestHeight1 - TestHeight1 < GlobalVar.TestFixtureTrayOffsetHeight - 0.3;
             }
             else if (trayType == ETrayType.Turnover)
             {
-                HasProduct = Math.Abs((Math.Abs(TestHeight1 - TestHeight2) - GlobalVar.TurnoverTrayOffsetHeight))>0.6;
+                //HasProduct = Math.Abs((Math.Abs(TestHeight1 - TestHeight2) - GlobalVar.TurnoverTrayOffsetHeight))>0.6;
+                HasProduct = TestHeight1 - TestHeight2 < GlobalVar.TurnoverTrayOffsetHeight - 0.3;
             }
         }
     }