string(294) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%AF%95%E4%B8%9A%E5%90%8E%E6%A0%A1%E5%9B%AD%E5%8D%A1%E4%BC%9A%E5%A4%B1%E6%95%88%E5%90%97%E6%80%8E%E4%B9%88%E5%8A%9E%E5%91%A2 => Failed to connect to 101.89.159.206 port 38100: Connection refused"
毕业后校园卡会失效吗怎么办呢
