Your ROOT_URL in app.ini is http://192.168.168.108:3000/ but you are visiting http://haiji.qnoddns.org.cn:3000/Felix/BioP/src/commit/5f0ed41f2c3004cb7b792bec4199a3d35ece7e91/image/%E8%AE%A1%E9%87%8F%E7%AE%A1%E7%90%86 You should set ROOT_URL correctly, otherwise the web may not work correctly.