string(285) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%B1%B1%E4%B8%9C%E4%BA%8C%E5%BB%BA%E8%80%83%E8%AF%95%E8%AF%95%E9%A2%98%E4%B8%80%E6%A0%B7%E5%90%97%E7%9F%A5%E4%B9%8E => Failed to connect to 101.89.117.144 port 38005: Connection refused"
山东二建考试试题一样吗知乎
