string(238) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%BA%97%E9%9D%A2%E7%AE%A1%E7%90%86%E7%9A%84%E9%87%8D%E8%A6%81%E6%80%A7 => Failed to connect to 14.18.117.71 port 38041: Connection refused"
店面管理的重要性
