寻寻觅觅好几天才找到了一个靠谱的路子，搞到了IDEA的激活码，也确确实实可以轻轻松松激活IDEA，奈斯。

一、IntelliJ IDEA激活码

下面这个IDEA的激活码失效了的话，请关注微信公众号：全栈程序员社区，然后发送“ 激活码 ”即可获取最新有效的IDEA激活码。

公众号的激活码是每分钟更新一次，算是实时更新的。

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二、刚刚搞到的且成功激活IDEA了，2小时更新一次

1、多次运行同一项目的方法

然后更改端口并重新启动

2、2021年，es.3默认为Es5。

建议将其替换为ES6。否则，许多JS语法不受支持。

3、默认情况下，IntelliJ idea启动设置不会打开上一个项目

项目太多了。每次打开项目时都要输入它，这很烦人。如果它是一个大型项目，那么打开它需要很长时间。您可以选择关闭此功能。

4、如果git在安装中选择默认安装位置

将Maven包解压缩到D:\Java。您可以在目录中没有中文、空格或其他特殊字符的文件夹中使用它。

5、Idea代码区域设置背景图片

不要将不透明度设置得太高，否则会影响代码。