cat a.txt
```
@startuml
你ce -> Bob : 认证请求
Bob --> Alice: 认证请求响应
Alice -> Bob: 应用请求
Alice <-- Bob: 应用响应
@enduml
```
java -jar plantuml.jar -charset UTF-8 a.txt
After the above command is executed, the picture is indeed generated, but the Chinese characters are not displayed, only the English letters and numbers can be displayed.
I tried very hard to solve this problem, including reinstalling the JDK, but nothing.
java version "1.8.0_181"
Java(TM) SE Runtime Environment (build 1.8.0_181-b13)
Java HotSpot(TM) 64-Bit Server VM (build 25.181-b13, mixed mode)
System Locale: LANG=zh_CN.utf8
VC Keymap: cn
X11 Layout: cn