Results 4 issues of yestin long

I found that when I run to sim.init(), a warning occurs below and the program stop. (renderwin:4994): Gtk-WARNING **: 15:00:35.800: cannot open display: 172.18.160.24:0.0

运行ever open之后提示错误 > Unexpected Error: {"code":"ECONNRESET","host":null,"port":null} 可以打开查看笔记本,但是点进笔记本之后就提示错误 > Unexpected Error: {} ![image](https://user-images.githubusercontent.com/27557933/102711850-9b9c5000-42f7-11eb-9cdb-8a3f66fcf3c0.png)