diff --git a/README.md b/README.md
index a135774..d15842c 100644
--- a/README.md
+++ b/README.md
@@ -351,7 +351,7 @@ Step 3: if 打开文件失败 then 提示打开文件失败并结束
 Step 4: 将所有库存记录写入文件
 Step 5: 关闭文件
 
-![](pictures/data.drawio.svg)
+![](pictures/save.drawio.svg)
 
 #### make_chart
 
diff --git a/pictures/data.drawio.svg b/pictures/save.drawio.svg
similarity index 100%
rename from pictures/data.drawio.svg
rename to pictures/save.drawio.svg