diff --git a/documentation20/cn/09.connections/docs.md b/documentation20/cn/09.connections/docs.md
index 79380f3bbd9680120f63f89a0bfbe6f31f5c7a74..6a2ead37666d4b44e1f16f55e3e41694fee5f694 100644
--- a/documentation20/cn/09.connections/docs.md
+++ b/documentation20/cn/09.connections/docs.md
@@ -16,7 +16,7 @@ TDengine的Grafana插件在安装包的/usr/local/taos/connector/grafanaplugin
 以CentOS 7.2操作系统为例，将grafanaplugin目录拷贝到/var/lib/grafana/plugins目录下，重新启动grafana即可。
 
 ```bash
-sudo cp -rf /usr/local/taos/connector/grafanaplugin /var/lib/grafana/tdengine
+sudo cp -rf /usr/local/taos/connector/grafanaplugin /var/lib/grafana/plugins/tdengine
 ```
 
 ### 使用 Grafana