diff --git a/api/@ohos.rpc.d.ts b/api/@ohos.rpc.d.ts
index b2efd9bbf2f56a9225ad48274955a1912867657b..100fd109b1cbc932e991176edef12a3468d05b5b 100644
--- a/api/@ohos.rpc.d.ts
+++ b/api/@ohos.rpc.d.ts
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2021-2023 Huawei Device Co., Ltd.
+ * Copyright (C) 2021-2025 Huawei Device Co., Ltd.
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
@@ -3150,7 +3150,8 @@ declare namespace rpc {
     ): void;
 
     /**
-     * Obtains the PID of the {@link RemoteProxy} object.
+     * Obtains the PID of the {@link RemoteProxy} object. This method returns -1 when the message
+     * from peer process on other device is received.
      *
      * @returns { number } Return the PID of the {@link RemoteProxy} object.
      * @syscap SystemCapability.Communication.IPC.Core
@@ -3159,8 +3160,9 @@ declare namespace rpc {
     getCallingPid(): number;
 
     /**
-     * Obtains the UID of the {@link RemoteProxy} object.
-     *
+     * Obtains the UID of the {@link RemoteProxy} object. This method returns -1 when the message
+     * from peer process on other device is received.
+     * 
      * @returns { number } Return the UID of the {@link RemoteProxy} object.
      * @syscap SystemCapability.Communication.IPC.Core
      * @since 7
@@ -3537,6 +3539,7 @@ declare namespace rpc {
      * when the communication ends. If this method is called from the {@link RemoteProxy} object,
      * {@code 0} is returned; if this method is called from the {@link RemoteObject} object,
      * the PID of the corresponding {@link RemoteProxy} object is returned.
+     * This method returns -1 when the message from peer process on other device is received.
      *
      * @returns { number } Return the PID of the proxy.
      * @syscap SystemCapability.Communication.IPC.Core
@@ -3551,6 +3554,7 @@ declare namespace rpc {
      * when the communication ends. If this method is called from the {@link RemoteProxy} object,
      * {@code 0} is returned; if this method is called from the {@link RemoteObject} object,
      * the UID of the corresponding {@link RemoteProxy} object is returned.
+     * This method returns -1 when the message from peer process on other device is received.
      *
      * @returns { number } Return the UID of the proxy.
      * @syscap SystemCapability.Communication.IPC.Core
@@ -3560,7 +3564,8 @@ declare namespace rpc {
 
     /**
      * Obtains the TOKENID.
-     * <p>This method is static.
+     * <p>This method is static. This method returns 0 when the message from peer process
+     * on other device is received.
      *
      * @returns { number } Return the TOKENID.
      * @syscap SystemCapability.Communication.IPC.Core