fixed 2932cc0e from https://gitee.com/zyjhandsome/docs/pulls/14979

AbilityStage指南中补充给一个参数配置的说明。
Signed-off-by: zyjhandsome <zyjhandsome@126.com>

zh-cn/application-dev/application-models/abilitystage.md

@@ -30,6 +30,18 @@ DevEco Studio默认工程中未自动生成AbilityStage，如需要使用Ability
    }
    ```
    
+4. 在[module.json5配置文件](../quick-start/module-configuration-file.md)中`srcEntrance`参数中配置Module所对应的代码路径。
+   ```json
+   {
+     "module": {
+       "name": "entry",
+       "type": "entry",
+       "srcEntrance": "./ets/myabilitystage/MyAbilityStage.ts",
+       // ...
+     }
+   }
+   ```
+
 
 [AbilityStage](../reference/apis/js-apis-app-ability-abilityStage.md)拥有[onCreate()](../reference/apis/js-apis-app-ability-abilityStage.md#abilitystageoncreate)生命周期回调和[onAcceptWant()](../reference/apis/js-apis-app-ability-abilityStage.md#abilitystageonacceptwant)、[onConfigurationUpdated()](../reference/apis/js-apis-app-ability-abilityStage.md#abilitystageonconfigurationupdate)、[onMemoryLevel()](../reference/apis/js-apis-app-ability-abilityStage.md#abilitystageonmemorylevel)事件回调。