string(287) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E9%A1%BA%E4%B8%B0%E5%BF%AB%E9%80%9218%E5%9D%97%E9%92%B1%E6%98%AF%E4%B8%8D%E6%98%AF%E6%9C%89%E7%82%B9%E8%B4%B5%E5%91%80 => Failed to connect to 101.89.159.206 port 38187: Connection refused"
顺丰快递18块钱是不是有点贵呀
