diff --git a/Documentation/UserGuide/update.md b/Documentation/UserGuide/update.md
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-# update<a name="ZH-CN_TOPIC_0213225906"></a>
-
-## 功能描述<a name="section124121426195015"></a>
-
-将workload\_type原来的优化项更新为new.conf中的内容。
-
-## 命令格式<a name="section1019897115110"></a>
-
-**atune-adm update**  <WORKLOAD\_TYPE\> <PROFILE\_NAME\> <PROFILE\_FILE\>
-
-## 使用示例<a name="section5961238145111"></a>
-
-更新负载类型为test\_type，优化项名称为test\_name的优化项为new.conf。
-
-```
-$ atune-adm update test_type test_name ./new.conf
-```
-