string(268) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=ips%E6%98%AF%E5%B1%8F%E5%B9%95%E6%9D%90%E8%B4%A8%E8%BF%98%E6%98%AF%E6%8A%80%E6%9C%AF%E6%9D%90%E8%B4%A8 => Failed to connect to 14.18.117.71 port 38220: Connection refused"
ips是屏幕材质还是技术材质
