diff --git a/dsoftbus/depend/ipc/include/message_parcel.h b/dsoftbus/depend/ipc/include/message_parcel.h
index 61534dfca1ed479a68e9e1f5adcd4dadfeae0108..e3ed991b3eaf28d59980c6b4501c28dc077f16b6 100644
--- a/dsoftbus/depend/ipc/include/message_parcel.h
+++ b/dsoftbus/depend/ipc/include/message_parcel.h
@@ -1,6 +1,7 @@
 #ifndef _MESSAGE_PARCEL_H_
 #define _MESSAGE_PARCEL_H_
 
+#include <string>
 #include "parcel.h"
 #include "refbase.h"
 
@@ -18,9 +19,13 @@ public:
 	bool ContainFileDescriptors() const;
 	sptr< IRemoteObject > ReadRemoteObject();
 	bool WriteRemoteObject(const sptr< IRemoteObject > &object);
+	bool WriteInterfaceToken(std::u16string name);
+	std::u16string ReadInterfaceToken();
+	size_t GetRawDataSize() const;
 private:
 	static constexpr size_t MAX_RAWDATA_SIZE = 128 * 1024 * 1024; // 128M
 	int fd_;
+	size_t rawDataSize_;
 };
 
 } //namespace OHOS
diff --git a/dsoftbus/depend/ipc/message_parcel.cpp b/dsoftbus/depend/ipc/message_parcel.cpp
index 02253efcd27268f3b99a91808b19a25869356d44..0dba88e0c46e20c46f41f791355902deae046b7f 100644
--- a/dsoftbus/depend/ipc/message_parcel.cpp
+++ b/dsoftbus/depend/ipc/message_parcel.cpp
@@ -47,7 +47,7 @@ bool MessageParcel::WriteRawData(const void *data, size_t size)
 	if (!WriteInt32(size)) {
 		return false;
 	}
-
+	rawDataSize_ = size;
 	return WriteUnpadBuffer(data, size);
 }
 
@@ -57,6 +57,7 @@ const void *MessageParcel::ReadRawData(size_t size)
 	if (static_cast< unsigned int >(bufferSize) != size) {
 		return nullptr;
 	}
+	rawDataSize_ = size;
 	return ReadUnpadBuffer(size);
 }
 
@@ -70,4 +71,18 @@ bool MessageParcel::WriteRemoteObject(const sptr< IRemoteObject > &object)
 	return true;
 }
 
+bool MessageParcel::WriteInterfaceToken(std::u16string name) {
+	return WriteString16(name);
+}
+
+std::u16string MessageParcel::ReadInterfaceToken()
+{
+	return ReadString16();
+}
+
+size_t MessageParcel::GetRawDataSize() const
+{
+	return rawDataSize_;
+}
+
 } //namespace OHOS