Your idea evaluation has expired. Your session will be limited to 30 minutes. For information on how

解决：Your idea evaluation has expired. Your session will be limited to 30 minutes. For information on how to upgrade your evaluation software please go to https://www.jetbrains.com/idea/buy/?fromIDE

1、把提示框的x点掉，会自动打开idea。

2、工具栏选择—“Help” -> “Register”，弹窗选择License server方式，地址填入：http://fls.jetbrains-agent.com。

3、点击 Activate 和 Test Connection ，出现提示 “Connection successful”，说明成功了。

4、关掉idea，重新打开即可。