diff --git a/documentation/webdocs/markdowndocs/connector-ch.md b/documentation/webdocs/markdowndocs/connector-ch.md
index 44ade10239b4e870f8a0348ab19a52ee027209a3..1e2e3b698914b216ce38459464980f0327f4dc53 100644
--- a/documentation/webdocs/markdowndocs/connector-ch.md
+++ b/documentation/webdocs/markdowndocs/connector-ch.md
@@ -1047,30 +1047,30 @@ https://gitee.com/maikebing/Maikebing.EntityFrameworkCore.Taos
 
 ```
 ├── cfg
-│   └── taos.cfg
+├───└── taos.cfg
 ├── connector
-│   ├── go
-│   ├── grafana
-│   ├── jdbc
-│   └── python
+├───├── go
+├───├── grafana
+├───├── jdbc
+├───└── python
 ├── driver
-│   ├── taos.dll
-│   ├── taos.exp
-│   └── taos.lib
+├───├── taos.dll
+├───├── taos.exp
+├───└── taos.lib
 ├── examples
-│   ├── bash
-│   ├── c
-│   ├── C#
-│   ├── go
-│   ├── JDBC
-│   ├── lua
-│   ├── matlab
-│   ├── nodejs
-│   ├── python
-│   ├── R
-│   └── rust
+├───├── bash
+├───├── c
+├───├── C#
+├───├── go
+├───├── JDBC
+├───├── lua
+├───├── matlab
+├───├── nodejs
+├───├── python
+├───├── R
+├───└── rust
 ├── include
-│   └── taos.h
+├───└── taos.h
 └── taos.exe
 ```
 
@@ -1127,4 +1127,4 @@ TDengine在Window系统上提供的API与Linux系统是相同的， 应用程序
 [10]: https://maven.aliyun.com/mvn/search
 [11]:  https://github.com/taosdata/TDengine/tree/develop/tests/examples/JDBC/SpringJdbcTemplate
 [12]: https://github.com/taosdata/TDengine/tree/develop/tests/examples/JDBC/springbootdemo
-[13]: https://www.taosdata.com/cn/documentation/administrator/#%E5%AE%A2%E6%88%B7%E7%AB%AF%E9%85%8D%E7%BD%AE
\ No newline at end of file
+[13]: https://www.taosdata.com/cn/documentation/administrator/#%E5%AE%A2%E6%88%B7%E7%AB%AF%E9%85%8D%E7%BD%AE