diff --git a/src/main/load-serialport.js b/src/main/load-serialport.js
index 5d9cb6c..a86c379 100644
--- a/src/main/load-serialport.js
+++ b/src/main/load-serialport.js
@@ -45,7 +45,7 @@ SerialPort.list().then((ports, err) => {
   // console.log(ports, '=====================')
 
   // 过滤掉COM1口，很多电脑自带COM1接口
-  ports.filter((port) => port.path != 'COM1')
+  ports = ports.filter((port) => port.path != 'COM1')
   if (ports.length == 0) {
     console.error('设备为连接')
     return