<!DOCTYPE html> <head> <style> body { position: relative; } div { position: absolute; top: 15px; left: 20px; right: 20px; } h6 { text-align: justify; word-wrap:break-word; word-break:break-all; } </style> </head> <body> <h5 align = "center">新版本 V12.3</h5> <div> <h6>修复已知问题；</h6> </div> </body>