1{"label": "108", "label_desc": "news_edu", "sentence": "新闻1", "keywords": ""}
2{"label": "104", "label_desc": "news_finance", "sentence": "新闻2", "keywords": "关键词1,关键词2,关键词3,关键词4,关键词5,关键词6"}
3{"label": "106", "label_desc": "news_house", "sentence": "新闻3", "keywords": ""}
4