From 599475b6d93d350b793273f601af6a4aec000a3c Mon Sep 17 00:00:00 2001
From: yibo <361071264@qq.com>
Date: Sun, 26 Nov 2017 08:34:53 +0800
Subject: [PATCH] .

---
 WeighAndGrading/GradeFrom.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/WeighAndGrading/GradeFrom.cs b/WeighAndGrading/GradeFrom.cs
index 6edff15..311f23a 100644
--- a/WeighAndGrading/GradeFrom.cs
+++ b/WeighAndGrading/GradeFrom.cs
@@ -185,7 +185,7 @@ namespace WeighAndGrading
 
         btn.Click += (sender, e) =>
         {
-          JiBieButtonClick(btn);
+          JiBieButtonClick(sender as Button);
         };
         if (item.Item3 == TANG_TECH)
         {