string(283) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%B7%98%E5%AE%9D%E4%BB%A3%E5%8F%91%E5%92%8C%E5%88%86%E9%94%80%E6%9C%89%E4%BB%80%E4%B9%88%E5%8C%BA%E5%88%AB%E5%90%97 => Failed to connect to 14.18.117.71 port 38069: Connection refused"
淘宝代发和分销有什么区别吗
