string(276) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%BE%AE%E5%95%86%E5%BA%94%E8%AF%A5%E6%80%8E%E4%B9%88%E5%81%9A%E6%89%8D%E8%83%BD%E6%88%90%E5%8A%9F%E5%91%A2 => Failed to connect to 101.89.159.206 port 38100: Connection refused"
微商应该怎么做才能成功呢
