string(238) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%81%9A%E5%BE%AE%E5%95%86%E5%BE%88%E9%9A%BE%E5%90%97%E7%9F%A5%E4%B9%8E => Failed to connect to 61.171.74.35 port 38027: Connection refused"
做微商很难吗知乎
