diff --git a/api/@ohos.screenLock.d.ts b/api/@ohos.screenLock.d.ts
index 8c2b7606f0451e054c1ea471939f08cad074ff00..30c34246201d4cfcfa1f01187d1c3846586ff5e8 100644
--- a/api/@ohos.screenLock.d.ts
+++ b/api/@ohos.screenLock.d.ts
@@ -72,6 +72,7 @@ declare namespace screenLock {
    * Unlock the screen. Returns true if the screen unlocked successfully. returns false otherwise.
    * @returns { Promise<boolean> } the Promise<boolean> returned by the function.
    * @throws {BusinessError} 401 - parameter error.
+   * @throws {BusinessError} 13200002 - the screenlock management service is abnormal.
    * @since 9
    */
   function unlock(callback: AsyncCallback<boolean>): void;
@@ -81,6 +82,7 @@ declare namespace screenLock {
    * Lock the screen. Returns true if the screen locked successfully. returns false otherwise.
    * @returns { Promise<boolean> } the Promise<boolean> returned by the function.
    * @throws {BusinessError} 401 - parameter error.
+   * @throws {BusinessError} 13200002 - the screenlock management service is abnormal.
    * @systemapi Hide this for inner system use.
    * @since 9
    */
@@ -99,6 +101,7 @@ declare namespace screenLock {
    * @param { Callback<SystemEvent> } callback - the callback function for indicating the system event related screen lock
    * @returns { boolean } the boolean returned by the function.
    * @throws {BusinessError} 401 - parameter error.
+   * @throws {BusinessError} 13200002 - the screenlock management service is abnormal.
    * @systemapi Hide this for inner system use.
    * @since 9
    */
@@ -109,6 +112,7 @@ declare namespace screenLock {
    * @param { String } event - event type.
    * @param { number } parameter - operation result of the event.
    * @throws {BusinessError} 401 - parameter error.
+   * @throws {BusinessError} 13200002 - the screenlock management service is abnormal.
    * @systemapi Hide this for inner system use.
    * @since 9
    */