string(315) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E8%8B%8F%E8%81%94%E5%BD%93%E5%B9%B4%E6%83%B3%E6%8C%96%E9%80%9A%E5%9C%B0%E7%90%83%2C%E4%B8%BA%E4%BB%80%E4%B9%88%E5%8F%88%E5%81%9C%E6%AD%A2%E4%BA%86 => Failed to connect to 101.89.117.144 port 38208: Connection refused"
苏联当年想挖通地球,为什么又停止了
