diff --git a/README.md b/README.md
index 2decc22..8d20d9b 100644
--- a/README.md
+++ b/README.md
@@ -214,7 +214,7 @@ a: No such file or directory
 
 
 ##### delete_data
-
+![](delete_data.drawio.svg)
 
 ###### printf_data
 ![](打印函数流程图.drawio.svg)