diff --git a/api/@ohos.vibrator.d.ts b/api/@ohos.vibrator.d.ts
index 7fb0183ac9ddd79886c7b0b2016ac523183c1e07..e8f1bece16b6cd6c15fc896440b372e2a19a900d 100755
--- a/api/@ohos.vibrator.d.ts
+++ b/api/@ohos.vibrator.d.ts
@@ -22,6 +22,13 @@ import { AsyncCallback } from './basic';
  * @import import vibrator from '@ohos.vibrator'
  * @permission ohos.permission.VIBRATE
  */
+/**
+ * This module provides the capability to control motor vibration.
+ *
+ * @since 9
+ * @syscap SystemCapability.Sensors.MiscDevice
+ * @import import vibrator from '@ohos.vibrator'
+ */
 declare namespace vibrator {
     /**
      * The trigger motor vibrates for a specified length of time.