string(303) "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%E4%BB%A5%E5%90%8E%E6%A0%A1%E5%9B%AD%E5%8D%A1%E4%B8%8D%E7%94%A8%E4%BA%86%E6%80%8E%E6%A0%B7%E6%B3%A8%E9%94%80%E6%8E%89 => Failed to connect to 101.89.143.195 port 38205: Connection refused"
毕业以后校园卡不用了怎样注销掉
