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/branch/main/%E5%B7%A5%E8%89%BA%E6%96%B9%E6%B3%95%E7%B1%BB%E9%AA%8C%E8%AF%81/image/%E9%99%A4%E8%8F%8C%E8%BF%87%E6%BB%A4%E5%B7%A5%E8%89%BA%E9%AA%8C%E8%AF%81 You should set ROOT_URL correctly, otherwise the web may not work correctly.