string(247) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%BA%E4%BB%80%E4%B9%88%E9%A5%AD%E5%9C%88%E5%90%8E%E9%9D%A2%E5%8A%A0%E7%A9%BA => Failed to connect to 14.18.117.71 port 38041: Connection refused"
为什么饭圈后面加空
