diff --git a/api/@ohos.rpc.d.ts b/api/@ohos.rpc.d.ts
index 786e16f15371f3d3110542245889f58ea9dbe7cb..2b4622f2bdc03283977cff415dbbdca668138d00 100644
--- a/api/@ohos.rpc.d.ts
+++ b/api/@ohos.rpc.d.ts
@@ -3170,7 +3170,9 @@ declare namespace rpc {
     ): void;
 
     /**
-     * Obtains the PID of the {@link RemoteProxy} object.
+     * Obtains the PID of the caller.
+     * <p>This API must be called within an IPC context (onRemoteRequest/onRemoteMessagerequest). Any asynchronous
+     * operations (for exaple, using await) are strictly prohibited before calling this API.
      *
      * @returns { number } Return the PID of the {@link RemoteProxy} object.
      * @syscap SystemCapability.Communication.IPC.Core
@@ -3179,7 +3181,9 @@ declare namespace rpc {
     getCallingPid(): number;
 
     /**
-     * Obtains the UID of the {@link RemoteProxy} object.
+     * Obtains the UID of the caller.
+     * <p>This API must be called within an IPC context (onRemoteRequest/onRemoteMessagerequest). Any asynchronous
+     * operations (for exaple, using await) are strictly prohibited before calling this API.
      *
      * @returns { number } Return the UID of the {@link RemoteProxy} object.
      * @syscap SystemCapability.Communication.IPC.Core
@@ -3551,12 +3555,10 @@ declare namespace rpc {
     static getContextObject(): IRemoteObject;
 
     /**
-     * Obtains the PID of a proxy.
-     * <p>This method is static. The PID is a positive integer during the communication between
-     * the {@link RemoteProxy} object and {@link RemoteObject} object, and resumes to {@code 0}
-     * 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.
+     * Obtains the PID of the caller.
+     * <p>This API is a static method that must be called within an IPC context
+     * (onRemoteRequest/onRemoteMessagerequest); otherwise, the PID of the process will be returned. Any asynchronous
+     * operations (for exaple, using await) are strictly prohibited before calling this API.
      *
      * @returns { number } Return the PID of the proxy.
      * @syscap SystemCapability.Communication.IPC.Core
@@ -3565,12 +3567,10 @@ declare namespace rpc {
     static getCallingPid(): number;
 
     /**
-     * Obtains the UID of a proxy.
-     * <p>This method is static. The UID is a positive integer during the communication between
-     * the {@link RemoteProxy} object and {@link RemoteObject} object, and resumes to {@code 0}
-     * 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.
+     * Obtains the UID of the caller.
+     * <p>This API is a static method that must be called within an IPC context
+     * (onRemoteRequest/onRemoteMessagerequest); otherwise, the UID of the process will be returned. Any asynchronous
+     * operations (for exaple, using await) are strictly prohibited before calling this API.
      *
      * @returns { number } Return the UID of the proxy.
      * @syscap SystemCapability.Communication.IPC.Core
@@ -3579,8 +3579,10 @@ declare namespace rpc {
     static getCallingUid(): number;
 
     /**
-     * Obtains the TOKENID.
-     * <p>This method is static.
+     * Obtains the TokenId of the caller.
+     * <p>This API is a static method that must be called within an IPC context
+     * (onRemoteRequest/onRemoteMessagerequest). Any asynchronous operations (for exaple, using await) are
+     * strictly prohibited before calling this API.
      *
      * @returns { number } Return the TOKENID.
      * @syscap SystemCapability.Communication.IPC.Core
@@ -3589,8 +3591,10 @@ declare namespace rpc {
     static getCallingTokenId(): number;
 
     /**
-     * Obtains the ID of the device where the peer process resides.
-     * <p>This method is static.
+     * Obtains the device ID of the caller.
+     * <p>This API is a static method that must be called within an IPC context
+     * (onRemoteRequest/onRemoteMessagerequest). Any asynchronous operations (for exaple, using await) are
+     * strictly prohibited before calling this API.
      *
      * @returns { string } Return the ID of the device where the peer process resides.
      * @syscap SystemCapability.Communication.IPC.Core
@@ -3599,8 +3603,10 @@ declare namespace rpc {
     static getCallingDeviceID(): string;
 
     /**
-     * Obtains the ID of the local device.
-     * <p>This method is static.
+     * Obtains the local device ID.
+     * <p>This API is a static method that must be called within an IPC context
+     * (onRemoteRequest/onRemoteMessagerequest). Any asynchronous operations (for exaple, using await) are
+     * strictly prohibited before calling this API.
      *
      * @returns { string } Return the ID of the local device.
      * @syscap SystemCapability.Communication.IPC.Core
@@ -3609,8 +3615,10 @@ declare namespace rpc {
     static getLocalDeviceID(): string;
 
     /**
-     * Checks whether a call is made on the same device.
-     * <p>This method is static.
+     * Checks whether the peer process is a process of the local device.
+     * <p>This API is a static method that must be called within an IPC context
+     * (onRemoteRequest/onRemoteMessagerequest). Any asynchronous operations (for exaple, using await) are
+     * strictly prohibited before calling this API.
      *
      * @returns { boolean } Return {@code true} if the call is made on the same device; return {@code false} otherwise.
      * @syscap SystemCapability.Communication.IPC.Core