修复打开两次

@@ -5,7 +5,7 @@
   "author": "Pan <panfree23@gmail.com>",
   "author": "Pan <panfree23@gmail.com>",
   "license": "MIT",
   "license": "MIT",
   "scripts": {
   "scripts": {
-    "dev": "vue-cli-service serve",
+    "dev": "vue-cli-service serve --open",
     "build:prod": "vue-cli-service build",
     "build:prod": "vue-cli-service build",
     "build:stage": "vue-cli-service build --mode staging",
     "build:stage": "vue-cli-service build --mode staging",
     "preview": "node build/index.js --preview",
     "preview": "node build/index.js --preview",

@@ -43,7 +43,7 @@ module.exports = {
   productionSourceMap: false,
   productionSourceMap: false,
   devServer: {
   devServer: {
     port: port,
     port: port,
-    open: true,
+    open: false,
     overlay: {
     overlay: {
       warnings: false,
       warnings: false,
       errors: true
       errors: true