diff --git a/controller/serialPort.js b/controller/serialPort.js
index 9c0f529..0bf87fd 100644
--- a/controller/serialPort.js
+++ b/controller/serialPort.js
@@ -4,7 +4,8 @@ import serialPortList from '../services/serialPortService.js';
 
 const router = new Router()
 
-router.get('/open/:id', serialPort);
-router.get('/list', serialPortList);
+router.get('/open/:id', serialPortList);
+// router.get('/list/:id', serialPortList);
+// router.get('/open/:id', serialPort);
 
 export default router
\ No newline at end of file
diff --git a/services/serialPortService.js b/services/serialPortService.js
index eef5eb1..427b66d 100644
--- a/services/serialPortService.js
+++ b/services/serialPortService.js
@@ -8,19 +8,24 @@ import { autoDetect } from '@serialport/bindings-cpp'
 async function serialPortList(req, res) {
 
   SerialPort.list()
-      .then((pathsList) => {
-        console.log('Available serial ports:');
-        for (const path of pathsList) {
-          const serialport = new SerialPort({ path, baudRate: 9600, autoOpen: false, }, function (err) {
+      .then(async pathsList => {
+        for (const pathObject of pathsList) {
+          await new Promise(resolve => {
+              setTimeout(() => resolve(), 100);
+          })
+
+          const serialPort = new SerialPort({ path: pathObject.path, baudRate: 9600, autoOpen: false, }, function (err) {
             if (err) {
               return console.log('Error: ', err.message);
             }
           })
 
+          console.log(111111, serialPort)
+
           const buff = Buffer.allocUnsafe(4);
           buff.writeUInt8(`#0${req.params.id}$`);
 
-          serialport.write(buff)
+          serialPort.write(buff)
         }
       })
       .catch((error) => {