请问add的时候数据库必须有集合吗？这个方法（db.collection.add）不会自动创建集合吗

 Error: errCode: -404011 cloud function execution error | errMsg: cloud.callFunction:fail requestID local_debug_611c9d3a-3d60-418f-8b54-2f64b2530387, cloud function service error code -1, error message collection.add:fail -502005 database collection not exists. [ResourceNotFound] Db or Table not exist. Please check your request, but if the problem cannot be solved, contact us.; at cloud.callFunction api;