string(292) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%BD%A0%E4%BA%86%E8%A7%A3%E7%9A%84%E8%B7%A8%E5%A2%83%E7%94%B5%E5%95%86%E6%98%AF%E4%BB%80%E4%B9%88%E6%A0%B7%E5%AD%90%E7%9A%84 => Failed to connect to 14.18.117.71 port 38164: Connection refused"
你了解的跨境电商是什么样子的
