diff --git a/interfaces/kits/js/@ohos.runninglock.d.ts b/interfaces/kits/js/@ohos.runninglock.d.ts
index 808ea5f13d328919cec4621a25e6149f2fd8a5d1..b8cddbeadb003b619d8aadb7245eaa70908bb2a3 100644
--- a/interfaces/kits/js/@ohos.runninglock.d.ts
+++ b/interfaces/kits/js/@ohos.runninglock.d.ts
@@ -37,7 +37,7 @@ declare namespace runningLock {
          * released and the system hibernates if no other {@link RunningLock} is set.
          * @since 7
          */
-        function lock(timeout: number): void;
+        lock(timeout: number): void;
 
         /**
          * Checks whether a lock is held or in use.
@@ -45,14 +45,14 @@ declare namespace runningLock {
          * @return Returns true if the lock is held or in use; returns false if the lock has been released.
          * @since 7
          */
-        function isUsed(): boolean;
+        isUsed(): boolean;
 
         /**
          * Release the {@link RunningLock} that prevents the system from hibernating.
          *
          * @since 7
          */
-        function unlock(): void;
+        unlock(): void;
     }
 
     /**