diff --git a/entry/src/main/ets/common/service/indexService.ts b/entry/src/main/ets/common/service/indexService.ts
index f10a5294..4abacc93 100644
--- a/entry/src/main/ets/common/service/indexService.ts
+++ b/entry/src/main/ets/common/service/indexService.ts
@@ -444,6 +444,7 @@ function openChuankouFn(callback) {
     if(carInfo.kscx == 'C1'){
       testNapi.SerialOpenAsync(devPath, (fd) => {
         globalThis.fd = fd;
+        globalThis.ChounkouInit = true;
         globalThis.num = 0
         let parity = 0x4e; // 'N'
         let ret = testNapi.SerialSetAsync(globalThis.fd, 115200, 0, 8, 1, parity, (ret) => {
diff --git a/entry/src/main/ets/common/service/initable.ts b/entry/src/main/ets/common/service/initable.ts
index def04b15..27f2245b 100644
--- a/entry/src/main/ets/common/service/initable.ts
+++ b/entry/src/main/ets/common/service/initable.ts
@@ -32,6 +32,7 @@ import { GlobalConfig } from '../../config/index';
 import prompt from '@ohos.promptAction'
 import DB, { ColumnType } from '../database/DbSql';
 import { MA_SYS_SET_COLUMN } from '../../model/Table';
+import { getChuankouFn } from '../service/indexService'
 
 // @ts-nocheck
 //读表
@@ -455,6 +456,10 @@ export async function upDataZhongxinginitialization(param) {
             resolve(false)
           }
         }
+        // 初始化串口
+        if(!globalThis.ChounkouInit){
+          getChuankouFn()
+        }
         resolve(true)
       }).catch((Error) => {
         console.log("init table5", JSON.stringify(Error))