string(303) "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%E5%8A%9E%E7%9A%84%E6%89%8B%E6%9C%BA%E5%8D%A1%E6%AF%95%E4%B8%9A%E5%90%8E%E5%A5%97%E9%A4%90%E8%BF%98%E6%9C%89%E5%90%97 => Failed to connect to 125.88.227.171 port 38062: Connection refused"
大学办的手机卡毕业后套餐还有吗
