diff --git a/entry/src/main/ets/tcp2byte/index.ts b/entry/src/main/ets/tcp2byte/index.ts
index 7b771173..67c04b41 100644
--- a/entry/src/main/ets/tcp2byte/index.ts
+++ b/entry/src/main/ets/tcp2byte/index.ts
@@ -104,17 +104,17 @@ function handReceiveMessage(client: socket.TCPSocket, sendData, rData: ArrayBuff
   //开始补包
   if (messageType === 0xF0) {
     //获取消息体长度
-    const messageLength = receiveData[12]
+    const messageLength = receiveData[13]
     //分包总数
-    const packages = bytesToDecimal(receiveData.slice(13, 13 + messageLength * 2));
-    const forArr = new Array(packages).fill(1)
+    const packages = receiveData.slice(14, 14 + messageLength * 2);
+    const forArr = new Array(messageLength).fill(1)
 
-    forArr.forEach((item, index) => {
+    forArr.forEach((item,index)=>{
       const start = index * 2;
-      const end = start + 2;
-      const packageIndex = bytesToDecimal([start, end]);
+      const end = start + 1;
+      const packageIndex =  bytesToDecimal([packages[start],packages[end]]);
       console.info(TAG, '补包内容' + JSON.stringify(new Uint8Array(sendData[packageIndex])))
-      client.send({ data: new Uint8Array(sendData[packageIndex]).buffer });
+      client.send({data:new Uint8Array(sendData[packageIndex]).buffer});
     })
   } else {
     const decoder = util.TextDecoder.create('utf-8');