string(257) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%9C%9F%E9%A2%98%E6%A0%87%E6%B3%A8%E5%9C%A8%E4%B8%80%E5%BB%BA%E6%95%99%E6%9D%90%E5%9B%BE => Failed to connect to 101.91.112.32 port 38195: Connection refused"
真题标注在一建教材图
