string(240) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E9%87%91%E5%88%9A%E5%B7%9D%E4%BA%8B%E4%BB%B6%E7%9C%9F%E5%AE%9E%E5%90%97 => Failed to connect to 125.88.227.171 port 38062: Connection refused"
金刚川事件真实吗
