diff --git a/src/zh/UserGuide/latest/Deployment-and-Maintenance/Cluster-Deployment_apache.md b/src/zh/UserGuide/latest/Deployment-and-Maintenance/Cluster-Deployment_apache.md
index f762ba603..2557ee89a 100644
--- a/src/zh/UserGuide/latest/Deployment-and-Maintenance/Cluster-Deployment_apache.md
+++ b/src/zh/UserGuide/latest/Deployment-and-Maintenance/Cluster-Deployment_apache.md
@@ -326,7 +326,7 @@ sbin/remove-datanode.bat [datanode_id]
         # 2. 检查是否还有进程残留
         jps
         # 或者
-        ps -ef|gerp iotdb
+        ps -ef|grep iotdb
 
         # 3. 如果有进程残留，则手动kill
         kill -9 <pid>
@@ -339,4 +339,4 @@ sbin/remove-datanode.bat [datanode_id]
     ```Bash
         cd /data/iotdb
         rm -rf data logs
-    ```
\ No newline at end of file
+    ```