vue-cli 4.2
index.html
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width,initial-scale=1.0">
<link rel="stylesheet" type="text/css" href="./iconfont.css" />
<link rel="icon" href="<%= BASE_URL %>favicon.ico">
<title><%= htmlWebpackPlugin.options.title %></title>
</head>
title標簽里寫<%= htmlWebpackPlugin.options.title %>
vue.config.js
config.plugin('html') .tap(args => { args[0].title= '數據可視化' return args })