MCscanx circle_plotter program and dual_synteny_plotter program can not produce a figure

[taotaoyuan]

[baizixiansheng]

I also had the problem of circle_plotter, my command is as follow: java circle_plotter -g /home/shu/Music/mcscan/data/Cc/A0605/Sty.gff -s Sty.collinearity -c dot2.ctl -o a2.png and the erros: Exception in thread "main" java.awt.AWTError: Can't connect to X11 window server using localhost:12.0' as the value of the DISPLAY variable. at java.desktop/sun.awt.X11GraphicsEnvironment.initDisplay(Native Method) at java.desktop/sun.awt.X11GraphicsEnvironment$1.run(X11GraphicsEnvironment.java:102) at java.base/java.security.AccessController.doPrivileged(Native Method) at java.desktop/sun.awt.X11GraphicsEnvironment.<clinit>(X11GraphicsEnvironment.java:61) at java.base/java.lang.Class.forName0(Native Method) at java.base/java.lang.Class.forName(Class.java:315) at java.desktop/java.awt.GraphicsEnvironment$LocalGE.createGE(GraphicsEnvironment.java:101) at java.desktop/java.awt.GraphicsEnvironment$LocalGE.<clinit>(GraphicsEnvironment.java:83) at java.desktop/java.awt.GraphicsEnvironment.getLocalGraphicsEnvironment(GraphicsEnvironment.java:129) at java.desktop/java.awt.image.BufferedImage.createGraphics(BufferedImage.java:1181) at circle_plotter.main(circle_plotter.java:261) I have no idea to solve this problem, could you help me?