diff --git a/entry/src/main/ets/tcp2byte/index.ts b/entry/src/main/ets/tcp2byte/index.ts
index d75c0240..4a280351 100644
--- a/entry/src/main/ets/tcp2byte/index.ts
+++ b/entry/src/main/ets/tcp2byte/index.ts
@@ -113,10 +113,10 @@ function handReceiveMessage(client: socket.TCPSocket, sendData, receiveData):RES
   }else{
     const decoder =  util.TextDecoder.create('utf-8');
     const messageLength = bytesToDecimal([receiveData[9],receiveData[10]]);
-    const markLength = receiveData[11];
+    const markLength = receiveData[11].buffer;
     const markContent = decoder.decodeWithStream(receiveData.slice(12, 12 + markLength ));
     console.info(TAG, 'markContent=>' + markContent)
-    const tipLength = receiveData[13];
+    const tipLength = receiveData[13].buffer;
     const messageContent = decoder.decodeWithStream(receiveData.slice(13 + markLength, 13 + markLength + tipLength));
     console.info(TAG, 'messageContent=>' + messageContent)
     return {