1. The editor modifies fileEncoding
File->settings->Editor->File Encoding
IDE Encoding and Project Encoding are modified to UTF-8
2, IDEA window garbled modification
Add Chinese fonts to the Linux system (see the previous article)
In IDEA, go to File->settings->Appearance & Behavior->Appearance
Check "Override default fonts by" on the right, and select the font SumSun in Name, save it, and you can display Chinese.