string(247) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%A6%82%E4%BD%95%E8%B0%83%E6%95%B4%E6%98%BE%E7%A4%BA%E5%B1%8F%E5%A4%A7%E5%B0%8F => Failed to connect to 14.18.117.71 port 38133: Connection refused"
如何调整显示屏大小
