string(250) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E8%A7%86%E7%BD%91%E8%86%9C%E5%B1%8F%E5%92%8Cips%E5%B1%8F%E5%93%AA%E4%B8%AA%E5%A5%BD => Failed to connect to 14.18.117.71 port 38164: Connection refused"
视网膜屏和ips屏哪个好
