{"bsonType":"object","required":["content","count"],"permission":{"read":true,"create":false,"update":false,"delete":false},"properties":{"_id":{"description":"ID，系统自动生成"},"content":{"bsonType":"string","description":"搜索内容"},"count":{"bsonType":"int","description":"搜索次数"},"create_date":{"bsonType":"timestamp","description":"统计时间"}},"version":"0.0.1"}