Your ROOT_URL in app.ini is http://git.ybrsmfw.cn/ but you are visiting http://39.102.91.2:3000/sprachzertifikat-kaufen6580/9210637/wiki/commit/50940aeef8942ae12250cb25a1e169c7ea9acc1d?style=unified&whitespace=ignore-eol
You should set ROOT_URL correctly, otherwise the web may not work correctly.