string(249) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%9B%91%E7%90%86%E5%91%98%E6%A8%A1%E6%8B%9F%E8%80%83%E8%AF%95%E8%BD%AF%E4%BB%B6 => Failed to connect to 101.89.117.144 port 38017: Connection refused"
监理员模拟考试软件
