Idea 突然打不开了

1、注册码(目前大多都已经失效)

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2、通过 Jetbrains 注册服务器 License Server 激活

1、下载压缩包解压后得到jetbrains-agent.jar
2、启动IDEA，试用（Evaluate for free）进入IDE
3、

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示例:
mac: -javaagent:/Users/neo/jetbrains-agent.jar
linux: -javaagent:/home/neo/jetbrains-agent.jar
windows: -javaagent:C:\Users\neo\jetbrains-agent.jar
4、重启IDEA
5、IDEA菜单，"Help" -> "Register" ，License server 自动生成。

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