diff --git a/Documentation/UserGuide/undefine.md b/Documentation/UserGuide/undefine.md
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-# undefine<a name="ZH-CN_TOPIC_0213225907"></a>
-
-## 功能描述<a name="section124121426195015"></a>
-
-删除用户自定义的workload\_type。
-
-## 命令格式<a name="section1019897115110"></a>
-
-**atune-adm undefine**  <WORKLOAD\_TYPE\>
-
-## 使用示例<a name="section5961238145111"></a>
-
-删除自定义的负载类型test\_type。
-
-```
-$ atune-adm undefine test_type 
-```
-