diff --git a/api/@ohos.net.statistics.d.ts b/api/@ohos.net.statistics.d.ts
index fac0dee04b91717085803372b94e4ccadd37a7af..c5db7867dfcd900f4f751a1d68ce61d12da01db9 100644
--- a/api/@ohos.net.statistics.d.ts
+++ b/api/@ohos.net.statistics.d.ts
@@ -347,6 +347,7 @@ declare namespace statistics {
    * @syscap SystemCapability.Communication.NetManager.Core
    * @systemapi Hide this for inner system use.
    * @since 11 dynamic
+   * @since 20 static
    */
   function on(type: 'netStatsChange', callback: Callback<NetStatsChangeInfo>): void;
 
@@ -377,6 +378,7 @@ declare namespace statistics {
    * @syscap SystemCapability.Communication.NetManager.Core
    * @systemapi Hide this for inner system use.
    * @since 11 dynamic
+   * @since 20 static
    */
   function off(type: 'netStatsChange', callback?: Callback<NetStatsChangeInfo>): void;
 
@@ -707,6 +709,14 @@ declare namespace statistics {
     [uid: int]: NetStatsInfo;
   };
 
+  /**
+   * {@link NetStatsInfo} for every UID. Key is UID.
+   * @syscap SystemCapability.Communication.NetManager.Core
+   * @systemapi Hide this for inner system use.
+   * @since 20 static
+   */
+  export type UidNetStatsInfo = Record<int, NetStatsInfo>;
+
   /**
    * Parameters for obtaining detailed information on specified network traffic usage.
    * @interface NetworkInfo
@@ -769,6 +779,7 @@ declare namespace statistics {
    * @syscap SystemCapability.Communication.NetManager.Core
    * @systemapi Hide this for inner system use.
    * @since 12 dynamic
+   * @since 20 static
    */
   function getTrafficStatsByNetwork(networkInfo: NetworkInfo): Promise<UidNetStatsInfo>;
   /**