string(292) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E8%9A%82%E8%9A%81%E6%A3%AE%E6%9E%97%E7%9A%84%E7%BB%BF%E8%89%B2%E8%83%BD%E9%87%8F%E6%9C%89%E4%BB%80%E4%B9%88%E4%BD%9C%E7%94%A8 => Failed to connect to 14.18.117.71 port 38041: Connection refused"
蚂蚁森林的绿色能量有什么作用
