diff --git a/README.md b/README.md
index 5bb931b..ee5af0d 100644
--- a/README.md
+++ b/README.md
@@ -213,6 +213,16 @@ a: No such file or directory
 ##### save_data
 
 
+##### sort_data
+
+
+###### make_chart
+
+
+
+##### delete_data
+
+
 ##### add_data
 Step 1: if 数据库满 then 提示数据库满并结束
 Step 2: 输入零件编号