diff --git a/zh-cn/application-dev/reference/apis/js-apis-app-ability-missionManager.md b/zh-cn/application-dev/reference/apis/js-apis-app-ability-missionManager.md
index fc4947c2d7a2d445845467a76b568826acc1242a..40c74d4fe845f25195ad37f14a2c5bfa31d60b82 100755
--- a/zh-cn/application-dev/reference/apis/js-apis-app-ability-missionManager.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-app-ability-missionManager.md
@@ -266,7 +266,6 @@ export default class MainAbility extends Ability {
         }
     }
 };
-
 ```