string(328) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%A4%A7%E5%AD%A6%E9%87%8C%E7%9A%84%E6%89%8B%E6%9C%BA%E5%8D%A1%E5%A5%97%E9%A4%90%E6%AF%95%E4%B8%9A%E5%90%8E%E8%BF%98%E6%9C%89%E5%90%97%E8%83%BD%E7%94%A8%E5%90%97 => Failed to connect to 61.171.74.35 port 38027: Connection refused"
大学里的手机卡套餐毕业后还有吗能用吗
