string(247) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%A6%82%E4%BD%95%E8%A7%A3%E5%86%B3%E9%BB%91%E6%9A%97%E7%9A%84%E9%97%AE%E9%A2%98 => Failed to connect to 14.18.117.71 port 38164: Connection refused"
如何解决黑暗的问题
