string(356) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%8B%BC%E5%A4%9A%E5%A4%9A%E6%88%91%E5%B7%B2%E7%BB%8F%E7%A0%8D%E5%88%B00%E5%85%83%E4%BA%86%E4%B8%BA%E4%BB%80%E4%B9%88%E8%BF%98%E5%8F%AB%E6%88%91%E9%82%80%E8%AF%B72%E4%BD%8D%E5%A5%BD%E5%8F%8B => Failed to connect to 14.18.46.51 port 38044: Connection refused"
拼多多我已经砍到0元了为什么还叫我邀请2位好友
