diff --git a/entry/src/main/ets/common/utils/GlobalTcp.ts b/entry/src/main/ets/common/utils/GlobalTcp.ts
index 5cf440f1..acc5a373 100644
--- a/entry/src/main/ets/common/utils/GlobalTcp.ts
+++ b/entry/src/main/ets/common/utils/GlobalTcp.ts
@@ -19,7 +19,7 @@ export async function getTCP() {
         setTimeout(async () => {
           await globalThis.TcpClient.rebindTcp(result.tcplocalIp, result.tcplocalIpPort, result.tcpOppositeIp, result.tcpOppositePort)
           await globalThis.TcpClient.connectTcp()
-          await globalThis.TcpClient.sendMsg('1002') //1002
+          await globalThis.TcpClient.sendMsg(globalThis.carInfo.carNo) //1002
           globalThis.TcpClient.onError((val) => {
             setTimeout(() => {
               getTCP()
@@ -27,7 +27,7 @@ export async function getTCP() {
           })
           await globalThis.TcpClient.onMessage((val) => {
             setTimeout(() => {
-              globalThis.TcpClient.sendMsg('1002') //1002
+              globalThis.TcpClient.sendMsg(globalThis.carInfo.carNo) //1002
               if (val) {
                 // const msg=val.substring(5,val.length-1)
                 console.log('socketTag[PLC.UdpClient] status:', globalThis.udpClient.getStatus())
@@ -45,7 +45,7 @@ export async function getTCP() {
       globalThis.TcpClient = tcpClient
       await globalThis.TcpClient.bindTcp()
       await globalThis.TcpClient.connectTcp()
-      await globalThis.TcpClient.sendMsg('1002') //1002
+      await globalThis.TcpClient.sendMsg(globalThis.carInfo.carNo) //1002
       globalThis.TcpClient.onError((val) => {
         setTimeout(() => {
           getTCP()
@@ -54,7 +54,7 @@ export async function getTCP() {
       await globalThis.TcpClient.onMessage((val) => {
         hilog.info(0x0000, 'testTag', "valvalval2" + JSON.stringify(val));
         setTimeout(() => {
-          globalThis.TcpClient.sendMsg('1002') //1002
+          globalThis.TcpClient.sendMsg(globalThis.carInfo.carNo) //1002
           if (val && globalThis.udpClient?.sendMsg) {
             globalThis.udpClient?.sendMsg(val)
           }