diff --git a/api/application/MissionInfo.d.ts b/api/application/MissionInfo.d.ts
index 13ad032fb858f5420e7f278a7469ad79c1a758c2..0b2a3e92a177b5dbcb194a7ba7a40b82515fbd91 100644
--- a/api/application/MissionInfo.d.ts
+++ b/api/application/MissionInfo.d.ts
@@ -47,7 +47,7 @@ export interface MissionInfo {
      * @since 8
      * @sysCap SystemCapability.Ability.AbilityRuntime.Mission
      */
-    lockedState: number;
+    lockedState: boolean;
 
     /**
      * Indicates the recent create or update time of the mission.