string(267) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E8%B7%A8%E5%A2%83%E7%94%B5%E5%95%86%E7%9A%84%E8%AE%A2%E5%8D%95%E6%AF%94%E8%BE%83%E9%9B%86%E4%B8%AD => Failed to connect to 101.89.117.144 port 38005: Connection refused"
跨境电商的订单比较集中
