diff --git a/docs/Advanced_development/zh/QuecPythonTools/QPYcom.md b/docs/Advanced_development/zh/QuecPythonTools/QPYcom.md
index 0a9d83a2b69e7540d5b99c6b424e7286996c205e..999d28edc87324441d22dbb98180fd03e0abcbfd 100644
--- a/docs/Advanced_development/zh/QuecPythonTools/QPYcom.md
+++ b/docs/Advanced_development/zh/QuecPythonTools/QPYcom.md
@@ -257,7 +257,21 @@
 
 -   如图所示：
 
-![](media/image43.png)
+![](media/image46.png)
+
+- 点选备份后（bak区要为空），usr自动导入到bak/usr下，如下图所示：
+
+![](media/image47.png)
+
+-  在此之后再在usr下添加文件，文件只会存在usr区，不会从bak/usr目录下恢复到usr；再在bak下添加文件，文件只会存在bak区，不会从bak/usr目录下恢复到usr，如图所示：
+
+![](media/image48.png)
+
+- 注：
+
+  1. 备份按钮必须勾选才会备份
+
+  2. 文件只有同时在 usr 和 bak/usr 才会备份
 
 
 ### 软件设置
diff --git a/docs/Advanced_development/zh/QuecPythonTools/media/image46.png b/docs/Advanced_development/zh/QuecPythonTools/media/image46.png
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