string(274) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%81%9A%E4%BE%BF%E5%88%A9%E5%BA%97%E5%BA%97%E5%91%98%E9%9C%80%E8%A6%81%E6%B3%A8%E6%84%8F%E4%BB%80%E4%B9%88 => Failed to connect to 61.171.74.35 port 38041: Connection refused"
做便利店店员需要注意什么
