diff --git a/entry/src/main/ets/tcp2byte/index.ts b/entry/src/main/ets/tcp2byte/index.ts
index 8866abf6..d8c9340c 100644
--- a/entry/src/main/ets/tcp2byte/index.ts
+++ b/entry/src/main/ets/tcp2byte/index.ts
@@ -18,10 +18,26 @@ const config = {
   port: 40000
 }
 
+const singleTcpClient = (function () {
+  let instance;
+  function createInstance() {
+    return socket.constructTCPSocketInstance()
+  }
+
+  return {
+    getClient: function () {
+      if (!instance) {
+        instance = createInstance();
+      }
+      return instance
+    }
+  };
+})();
+
 export default async function tcp2ByteRequest(data): Promise<RES> {
 
   return new Promise(async (resolve, reject) => {
-    const tcpClient: socket.TCPSocket = socket.constructTCPSocketInstance()
+    const tcpClient: socket.TCPSocket = singleTcpClient.getClient()
 
     const {address,port} = config
     const tcp2Byte = new TcpToByte()
diff --git a/entry/src/main/ets/tcp2byte/utils/tcp2byte.ts b/entry/src/main/ets/tcp2byte/utils/tcp2byte.ts
index b77ded2a..57a46c64 100644
--- a/entry/src/main/ets/tcp2byte/utils/tcp2byte.ts
+++ b/entry/src/main/ets/tcp2byte/utils/tcp2byte.ts
@@ -324,7 +324,7 @@ export default class TcpToByte {
     //考试路线
     const ksxl = str2UTF8(temp.ksxl)
     //考车号码
-    const kchp = str2UTF8(temp.kchp)
+    // const kchp = str2UTF8(temp.kchp)
 
     const time = timeTOBCD(temp.jssj)