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%E5%8D%96%E5%AE%B6%E9%9C%80%E8%A6%81%E6%B3%A8%E6%84%8F%E4%BB%80%E4%B9%88%E7%BB%86%E8%8A%82 => Failed to connect to 125.88.227.171 port 38114: Connection refused"
淘宝卖家需要注意什么细节
