diff --git a/api/@ohos.request.d.ts b/api/@ohos.request.d.ts
index 765fb4a1efd14d35e050b1d8625ac883640f7b2c..c8c6a7accfa42528e4e430cec0c8e472d7b9988b 100644
--- a/api/@ohos.request.d.ts
+++ b/api/@ohos.request.d.ts
@@ -2807,6 +2807,38 @@ declare namespace request {
       text?: string;
     }
 
+    /**
+     * Options of the minimum speed of the task.
+     *
+     * @typedef MinSpeed
+     * @syscap SystemCapability.Request.FileTransferAgent
+     * @since 20
+     */
+    interface MinSpeed {
+      /**
+       * The minimum speed of the task, in bytes per second.
+       * If the speed of the task is lower than this value for a period of time, the task fails.
+       * If the value is set to 0, no minimum speed limit will be activated.
+       * If not specified, this value is set to 0.
+       *
+       * @type { ?number }
+       * @syscap SystemCapability.Request.FileTransferAgent
+       * @since 20
+       */
+      speed?: number;
+      /**
+       * Duration of the speed which is allowed to be below the minimum speed, in seconds.
+       * If the speed of the task is lower than this value for a period of time, the task fails.
+       * If the value is set to 0, no minimum speed limit will be activated.
+       * If not specified, this value is set to 0.
+       *
+       * @type { ?number }
+       * @syscap SystemCapability.Request.FileTransferAgent
+       * @since 20
+       */
+      duration?: number;
+    }
+
     /**
      * The configurations for a task.
      * Using a flexible configuration for clear upload and download functions.
@@ -3370,6 +3402,14 @@ declare namespace request {
        * @since 15
        */
       notification?: Notification;
+      /**
+       * Customizes the minimum speed of the task.
+       *
+       * @type { ?MinSpeed }
+       * @syscap SystemCapability.Request.FileTransferAgent
+       * @since 20
+       */
+      minSpeed?: MinSpeed;
     }
 
     /**
@@ -3799,7 +3839,14 @@ declare namespace request {
        * @atomicservice
        * @since 12
        */
-      REDIRECT = 0x80
+      REDIRECT = 0x80,
+      /**
+       * Indicates the speed of the task is too slow.
+       *
+       * @syscap SystemCapability.Request.FileTransferAgent
+       * @since 20
+       */
+      LOW_SPEED = 0x90
     }
 
     /**