string(251) "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%E7%A0%8D%E4%BB%B7%E4%B8%8D%E8%83%BD%E5%8F%91qq%E5%90%97 => Failed to connect to 101.89.117.144 port 38017: Connection refused"
拼多多砍价不能发qq吗
