diff --git a/api/@ohos.backgroundTaskManager.d.ts b/api/@ohos.backgroundTaskManager.d.ts
index 4d02b29d421478b760b1b8f2df760ae525b7115b..be2f05e440656999fca9798db04fca173d6ca7fa 100644
--- a/api/@ohos.backgroundTaskManager.d.ts
+++ b/api/@ohos.backgroundTaskManager.d.ts
@@ -97,6 +97,25 @@ declare namespace backgroundTaskManager {
     function stopBackgroundRunning(context: Context, callback: AsyncCallback<void>): void;
     function stopBackgroundRunning(context: Context): Promise<void>;
 
+    /**
+     * Apply or unapply efficency resources.
+     *
+     * @since 9
+     * @syscap SystemCapability.ResourceSchedule.BackgroundTaskManager.EfficencyResourcesApply
+     * @return True if efficency resources apply success, else false.
+     * @systemapi Hide this for inner system use.
+     */
+    function applyEfficencyResources(request: EfficencyResourcesRequest): bool;
+
+    /**
+     * Reset all efficency resources apply.
+     *
+     * @since 9
+     * @syscap SystemCapability.ResourceSchedule.BackgroundTaskManager.EfficencyResourcesApply.
+     * @systemapi Hide this for inner system use.
+     */
+    function resetAllEfficencyResources(): void;
+
     /**
      * supported background mode.
      *
@@ -179,6 +198,89 @@ declare namespace backgroundTaskManager {
          */
         TASK_KEEPING = 9,
     }
+
+    /**
+     * The type of resource.
+     *
+     * @since 9
+     * @syscap SystemCapability.ResourceSchedule.BackgroundTaskManager.EfficencyResourcesApply.
+     * @systemapi Hide this for inner system use.
+     */
+    export enum ResourceType {
+        /**
+         * The cpu resource for not being suspended.
+         */
+        CPU = 1,
+
+        /**
+         * The resource for not being proxyed common_event.
+         */
+        COMMON_EVENT = 1 << 1,
+
+        /**
+         * The resource for not being proxyed timer.
+         */
+        TIMER = 1 << 2,
+
+        /**
+         * The resource for not being proxyed workscheduler.
+         */
+        WORK_SCHEDULER = 1 << 3,
+
+        /**
+         * The resource for not being proxyed bluetooth.
+         */
+        BLUETOOTH = 1 << 4,
+
+        /**
+         * The resource for not being proxyed gps.
+         */
+        GPS = 1 << 5,
+
+        /**
+         * The resource for not being proxyed audio.
+         */
+        AUDIO = 1 << 6
+    }
+
+    /**
+     * The request of efficency resources.
+     *
+     * @name EfficencyResourcesRequest
+     * @since 9
+     * @syscap SystemCapability.ResourceSchedule.BackgroundTaskManager.EfficencyResourcesApply.
+     * @systemapi Hide this for inner system use.
+     */
+    export interface EfficencyResourcesRequest {
+        /**
+         * The set of resource types that app wants to apply.
+         */
+        resourceTypes: number;
+
+        /**
+         * True if the app begin to use, else false.
+         */
+        isApply: bool;
+
+        /**
+         * The duration that the resource can be used most.
+         */
+        timeOut: number;
+
+        /**
+         * True if the apply action is persist, else false. Default value is false.
+         */
+        isPersist?: bool;
+
+        /**
+         * True if apply action is for process, false is for package. Default value is false.
+         */
+        isProcess?: false;
+        /**
+         *  The apply reason.
+         */
+        reason: string;
+    }
 }
 
 export default backgroundTaskManager;
diff --git a/api/@ohos.workScheduler.d.ts b/api/@ohos.workScheduler.d.ts
index 74ea4e974073d5021ecfedb3bfafbac044e7b12b..67606bcf855368da4f795d6e192a9c62e91396a7 100644
--- a/api/@ohos.workScheduler.d.ts
+++ b/api/@ohos.workScheduler.d.ts
@@ -92,6 +92,10 @@ declare namespace workScheduler {
          * The idle wait time based on which the work is triggered.
          */
         idleWaitTime?: number;
+        /**
+         * The parameters of the work. The value is only supported basic type(Number, String, Boolean).
+         */
+        parameters?: {[key: string]: any};
     }
 
     /**