diff --git a/documentation20/cn/11.administrator/docs.md b/documentation20/cn/11.administrator/docs.md
index 448df75d808e06996ef61814692c7948adb11e32..2f3b23f4e7f425695637a430077ecc95237d5765 100644
--- a/documentation20/cn/11.administrator/docs.md
+++ b/documentation20/cn/11.administrator/docs.md
@@ -1,4 +1,4 @@
-# TDengine的运营与运维
+# TDengine的运营与维护
 
 ## <a class="anchor" id="planning"></a>容量规划