diff --git a/WeighAndGrading/GradeFrom.cs b/WeighAndGrading/GradeFrom.cs
index 7b2afa1..30eb5cc 100644
--- a/WeighAndGrading/GradeFrom.cs
+++ b/WeighAndGrading/GradeFrom.cs
@@ -979,7 +979,10 @@ namespace WeighAndGrading
           currentRow.Already = currentRow.Already + 1;
           orderLabel.Text = currentRow.Order.ToString();
           alreadyLabel.Text = currentRow.Already.ToString();
-          tangGridView.Refresh();
+          if (tech == "烫褪")
+            tangGridView.Refresh();
+          else
+            maoGridView.Refresh();
         }
         else
         {