diff --git a/Windows/CS/Framework4.0/Toprie/Toprie/Setting.cs b/Windows/CS/Framework4.0/Toprie/Toprie/Setting.cs
index 2b9eedd..ac25d63 100644
--- a/Windows/CS/Framework4.0/Toprie/Toprie/Setting.cs
+++ b/Windows/CS/Framework4.0/Toprie/Toprie/Setting.cs
@@ -548,6 +548,9 @@ namespace JoyD.Windows.CS
             
             // 添加到DataGridView
             dataGridViewTempDiff.Rows.Add(tempDiffValue, "");
+            
+            // 添加完图例后设置删除按钮可见
+            btnDeleteTempDiff.Visible = true;
         }
         
         private void DataGridViewTempDiff_EditingControlShowing(object sender, DataGridViewEditingControlShowingEventArgs e)