diff --git a/documentation/webdocs/markdowndocs/connector-ch.md b/documentation/webdocs/markdowndocs/connector-ch.md
index 4609c281c9..1e2e3b6989 100644
--- a/documentation/webdocs/markdowndocs/connector-ch.md
+++ b/documentation/webdocs/markdowndocs/connector-ch.md
@@ -1048,7 +1048,7 @@ https://gitee.com/maikebing/Maikebing.EntityFrameworkCore.Taos
 ```
 ├── cfg
 ├───└── taos.cfg
-├─── connector
+├── connector
 ├───├── go
 ├───├── grafana
 ├───├── jdbc