<!DOCTYPE html> <html> <head> <meta charset="utf-8" /> <title>错误</title> </head> <body style="text-align:center;margin-top:30%;font-size:xx-large"> <img src="img/error.png" style="border:none;outline:none;width:250px;height:250px;" /> <h2>系统异常</h2> </body> </html>