string(240) "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%E8%80%83%E8%BF%87%E7%BB%8F%E9%AA%8C%E5%88%86%E4%BA%AB => Failed to connect to 125.88.227.171 port 38114: Connection refused"
一建考过经验分享
