diff --git a/SanPinPLM/相关操作/4.0-other/999.Delphi脚本记录.md b/SanPinPLM/相关操作/4.0-other/999.Delphi脚本记录.md
index 6126b086..24d9be44 100644
--- a/SanPinPLM/相关操作/4.0-other/999.Delphi脚本记录.md
+++ b/SanPinPLM/相关操作/4.0-other/999.Delphi脚本记录.md
@@ -860,6 +860,7 @@ var
 //声明单选框组控件变量
   trg: TcxRadioGroup;
 begin
+//将 Sender 转换为 TcxRadioGroup 类型
   trg := TcxRadioGroup(Sender);
   if trg.itemindex = 0 then
   begin