diff --git a/Rs.DeweyTester/Entitys/TestFixtureManager.cs b/Rs.DeweyTester/Entitys/TestFixtureManager.cs
index c14b109..a931548 100644
--- a/Rs.DeweyTester/Entitys/TestFixtureManager.cs
+++ b/Rs.DeweyTester/Entitys/TestFixtureManager.cs
@@ -104,6 +104,8 @@ namespace Rs.MotionPlat.Entitys
 
         public void ClearData()
         {
+            this.Product = null;
+            this.Result = "";
             this.PassCount = 0;
             this.TotalCount = 0;
             this.LastCT = 0;