diff --git a/api/@ohos.resourceschedule.backgroundProcessManager.d.ts b/api/@ohos.resourceschedule.backgroundProcessManager.d.ts
index 8e8c321e1dfb202eb64ea887997c436459613b87..cf7bd44fb12ab1bba3964c4a918f2e9d2f84c0ce 100644
--- a/api/@ohos.resourceschedule.backgroundProcessManager.d.ts
+++ b/api/@ohos.resourceschedule.backgroundProcessManager.d.ts
@@ -16,6 +16,7 @@
 /**
  * @file
  * @kit BackgroundTasksKit
+ * @arkts 1.1&1.2
  */
 
 /**
@@ -23,22 +24,25 @@
  *
  * @namespace backgroundProcessManager
  * @syscap SystemCapability.Resourceschedule.BackgroundProcessManager
- * @since 15
+ * @since arkts{ '1.1':'17','1.2':'20'}
+ * @arkts 1.1&1.2
  */
 declare namespace backgroundProcessManager {
     /**
      * Describes the level of BackgroundProcessManager priority.
      *
-     * @enum { number }
+     * @enum { int }
      * @syscap SystemCapability.Resourceschedule.BackgroundProcessManager
-     * @since 15
+     * @since arkts{ '1.1':'17','1.2':'20'}
+     * @arkts 1.1&1.2
      */
     export enum ProcessPriority {
         /**
          * Means the process has stopped working and in the background
          *
          * @syscap SystemCapability.Resourceschedule.BackgroundProcessManager
-         * @since 15
+         * @since arkts{ '1.1':'17','1.2':'20'}
+         * @arkts 1.1&1.2
          */
         PROCESS_BACKGROUND = 1,
 
@@ -46,7 +50,8 @@ declare namespace backgroundProcessManager {
          * Means the process is working in the background
          *
          * @syscap SystemCapability.Resourceschedule.BackgroundProcessManager
-         * @since 15
+         * @since arkts{ '1.1':'17','1.2':'20'}
+         * @arkts 1.1&1.2
          */
         PROCESS_INACTIVE = 2,
     }
@@ -54,26 +59,26 @@ declare namespace backgroundProcessManager {
     /**
      * Set the priority of process.
      *
-     * @param { number } pid - Indicates the pid of the process to be set.
+     * @param { int } pid - Indicates the pid of the process to be set.
      * @param { ProcessPriority } priority - Indicates the priority to set. Specific priority can be referenced ProcessPriority
      * @returns { Promise<void> } The promise returned by the function.
      * @throws { BusinessError } 401 - Parameter error. Possible causes: priority is out of range.
-     * @throws { BusinessError } 31800001 - remote error. Possible causes: remote is not work.
      * @syscap SystemCapability.Resourceschedule.BackgroundProcessManager
-     * @since 15
+     * @since arkts{ '1.1':'17','1.2':'20'}
+     * @arkts 1.1&1.2
      */
-    function setProcessPriority(pid: number, priority: ProcessPriority): Promise<void>;
+    function setProcessPriority(pid: int, priority: ProcessPriority): Promise<void>;
 
     /**
      * Reset the priority of process.
      *
-     * @param { number } pid - Indicates the pid of the process to be reset.
+     * @param { int } pid - Indicates the pid of the process to be reset.
      * @returns { Promise<void> } The promise returned by the function.
-     * @throws { BusinessError } 31800001 - remote error. Possible causes: remote is not work.
      * @syscap SystemCapability.Resourceschedule.BackgroundProcessManager
-     * @since 15
+     * @since arkts{ '1.1':'17','1.2':'20'}
+     * @arkts 1.1&1.2
      */
-    function resetProcessPriority(pid: number): Promise<void>;
+    function resetProcessPriority(pid: int): Promise<void>;
 }
 
 export default backgroundProcessManager;