diff --git a/en/device-dev/subsystems/subsys-dfx-hisysevent-query.md b/en/device-dev/subsystems/subsys-dfx-hisysevent-query.md
index aae1271974522bdb4293252e165f173231aaf8e1..03660c682780e822f41b93dd8394d480ddfa3994 100644
--- a/en/device-dev/subsystems/subsys-dfx-hisysevent-query.md
+++ b/en/device-dev/subsystems/subsys-dfx-hisysevent-query.md
@@ -17,7 +17,7 @@ HiSysEvent provides an API for you to query system events. You can query concern
 
 | API| Description|
 | -------- | --------- |
-| bool HiSysEventManager::QueryHiSysEvent(struct QueryArg&amp; queryArg, std::vector&lt;QueryRule&gt;&amp; queryRules, std::shared_ptr&lt;HiSysEventQueryCallBackBase&gt; queryCallBack) | Queries system events by specifying search criteria such as the time segment, event domain, and event name. <br><br>Input arguments:<ul><li>**queryArg**: event query parameter. </li><li>**queryRules**: event filtering rules. </li><li>**queryRules**: callback object for query results. </li></ul>Return value:<ul><li>**true**: The query is successful. </li><li>**false**: The query has failed.</li></ul> |
+| bool HiSysEventManager::QueryHiSysEvent(struct QueryArg&amp; queryArg, std::vector&lt;QueryRule&gt;&amp; queryRules, std::shared_ptr&lt;HiSysEventQueryCallBackBase&gt; queryCallBack) | Queries system events by specifying search criteria such as the time segment, event domain, and event name. <br><br>Input arguments:<ul><li>**queryArg**: event query parameter. </li><li>**queryRules**: event filtering rules. </li><li>**queryCallBack**: callback object for query results. </li></ul>Return value:<ul><li>**true**: The query is successful. </li><li>**false**: The query has failed.</li></ul> |
 
 
 **Table 2** Description of QueryArg
@@ -32,7 +32,7 @@ HiSysEvent provides an API for you to query system events. You can query concern
 
 | API| Description|
 | -------- | --------- |
-| QueryRule(const std::string& domain, const std::vector&lt;std::string&gt;& eventList) | Constructor used to create a **QueryRule** object based on domain and event name list.<br><br>Input arguments:<ul><li>domain：Domain to which the event belongs, in the **string** format. By default, an empty string indicates that the domain is successfully matched.</li><li>eventList：Event name list, in the std::vector&lt;std::string&gt; format. By default, an empty string indicates that the event names on the list are successfully matched.</li></ul> |
+| QueryRule(const std::string& domain, const std::vector&lt;std::string&gt;& eventList) | Constructor used to create a **QueryRule** object based on domain and event name list.<br><br>Input arguments:<ul><li>**domain**：domain to which the event belongs, in the **string** format. By default, an empty string indicates that the domain is successfully matched.</li><li>**eventList**：event name list, in the std::vector&lt;std::string&gt; format. By default, an empty string indicates that the event names on the list are successfully matched.</li></ul> |
 
 **Table 4** Description of HiSysEventQueryCallBackBase