diff --git a/README.md b/README.md
index 2f53a7e..0fab9b2 100644
--- a/README.md
+++ b/README.md
@@ -427,4 +427,9 @@ Step 3: 提示排序已完成
 #### make_chart
 
 Step 1: 读取文件
-Step 2: 显示图表
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+Step 2: 显示图表
+
+#### confirm
+
+Step 1: 输出 确定要退出吗
+Step 2: if 确认 then 退出
\ No newline at end of file