string(282) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=1000%E5%85%86%E5%AE%BD%E5%B8%A6%E5%8F%AA%E6%9C%89700%E5%85%86%E4%B8%8D%E8%BE%BE%E6%A0%87%E6%80%8E%E4%B9%88%E5%8A%9E => Failed to connect to 101.91.112.32 port 38195: Connection refused"
1000兆宽带只有700兆不达标怎么办
