string(355) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E8%BF%99%E4%B8%8D%E4%BB%85%E9%94%BB%E7%82%BC%E4%BA%86%E6%88%91%E7%9A%84%E8%BA%AB%E4%BD%93%E4%B9%9F%E9%94%BB%E7%82%BC%E4%BA%86%E6%88%91%E7%9A%84%E8%87%AA%E4%BF%A1%E5%BF%83%E8%8B%B1%E8%AF%AD => Failed to connect to 14.18.117.71 port 38133: Connection refused"
这不仅锻炼了我的身体也锻炼了我的自信心英语
