string(276) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%B7%98%E5%AE%9D%E4%BB%A3%E9%94%80%E9%9C%80%E8%A6%81%E6%B3%A8%E6%84%8F%E4%BB%80%E4%B9%88%E9%97%AE%E9%A2%98 => Failed to connect to 101.89.143.195 port 38205: Connection refused"
淘宝代销需要注意什么问题
