string(276) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%88%9D%E7%BA%A7%E4%BC%9A%E8%AE%A1%E6%A8%A1%E6%8B%9F%E9%A2%98%E6%AF%94%E7%9C%9F%E9%A2%98%E9%9A%BE%E5%90%97 => Failed to connect to 101.89.117.144 port 38005: Connection refused"
初级会计模拟题比真题难吗
