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%E4%BA%86%E6%A0%A1%E5%9B%AD%E5%8D%A1%E4%BC%9A%E8%87%AA%E5%8A%A8%E6%B3%A8%E9%94%80%E5%90%97%E7%9F%A5%E4%B9%8E => Failed to connect to 101.89.117.144 port 38056: Connection refused"
毕业了校园卡会自动注销吗知乎
