string(247) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%94%B9%E5%8F%98%E8%87%AA%E5%B7%B1%E7%9A%84%E7%BB%8F%E5%85%B8%E8%AF%AD%E5%BD%95 => Failed to connect to 14.18.117.71 port 38093: Connection refused"
改变自己的经典语录
