string(267) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%80%E5%BB%BA%E5%81%9A%E7%9C%9F%E9%A2%98%E8%BF%98%E6%98%AF%E6%A8%A1%E6%8B%9F%E9%A2%98%E5%A5%BD => Failed to connect to 101.89.143.195 port 38175: Connection refused"
一建做真题还是模拟题好
