diff --git a/api/@ohos.multimodalInput.inputConsumer.d.ts b/api/@ohos.multimodalInput.inputConsumer.d.ts
index 389f62a0139347e7ba83d2f08cc101962ecbab8f..e10019666ddd9e967e9eefb947365fc997357501 100755
--- a/api/@ohos.multimodalInput.inputConsumer.d.ts
+++ b/api/@ohos.multimodalInput.inputConsumer.d.ts
@@ -13,7 +13,7 @@
 * limitations under the License.
 */
 
-import { AsyncCallback } from './basic';
+import { Callback } from './basic';
 
  /**
  * The event of key input management module is configured to subscribe and unsubscribe system keys.
@@ -47,11 +47,11 @@ declare namespace inputConsumer {
      * @since 8
      * @syscap SystemCapability.MultimodalInput.Input.InputConsumer
      * @permission N/A
-     * @param type type of the keyevent about input which is to be subscribed.
+     * @param type type of the inputevent about input which is to be subscribed.
      * @param keyOption the key events about input which is to be subscribed.
      * @param callback callback function, receive reported data.
      */
-    function on(type: string, keyOption: KeyOptions, callback: AsyncCallback<KeyOptions>): void;
+    function on(type: "key", keyOptions: KeyOptions, callback: Callback<KeyOptions>): void;
 
     /**
      * Subscribe system keys.
@@ -59,11 +59,11 @@ declare namespace inputConsumer {
      * @since 8
      * @syscap SystemCapability.MultimodalInput.Input.InputConsumer
      * @permission N/A
-     * @param type type of the keyevent about input which is to be subscribed.
+     * @param type type of the inputevent about input which is to be subscribed.
      * @param keyOption the key events about input which is to be subscribed.
      * @param callback callback function, receive reported data.
      */
-    function off(type: string, keyOption: KeyOptions, callback: AsyncCallback<KeyOptions>): void;
+    function off(type: "key", keyOptions: KeyOptions, callback?: Callback<KeyOptions>): void;
 }
 
 export default inputConsumer;
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