string(249) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E9%97%B2%E9%B1%BC%E6%98%AF%E4%BB%98%E6%AC%BE%E5%90%8E%E5%8F%91%E8%B4%A7%E5%90%97 => Failed to connect to 101.89.159.206 port 38075: Connection refused"
闲鱼是付款后发货吗
