diff --git a/dbproxy/svc/l_lotteryuser.go b/dbproxy/svc/l_lotteryuser.go
new file mode 100644
index 0000000..a948fae
--- /dev/null
+++ b/dbproxy/svc/l_lotteryuser.go
@@ -0,0 +1,47 @@
+package svc
+
+import (
+	"errors"
+	"github.com/globalsign/mgo"
+	"github.com/globalsign/mgo/bson"
+	"mongo.games.com/game/dbproxy/mongo"
+)
+
+var (
+	LotteryUserLogDBErr = errors.New("log_lotteryuser db open failed.")
+)
+
+type LotteryUserLog struct {
+	Platform string `bson:"-"`
+	CId      int64
+	SnId     int32
+	StartTs  int64
+	CostCard int64
+}
+
+func LotteryUserLogsCollection(plt string) *mongo.Collection {
+	s := mongo.MgoSessionMgrSington.GetPltMgoSession(plt, "log")
+	if s != nil {
+		c, first := s.DB().C("log_lotteryuser")
+		if first {
+			c.EnsureIndex(mgo.Index{Key: []string{"cid"}, Background: true, Sparse: true})
+			c.EnsureIndex(mgo.Index{Key: []string{"snid"}, Background: true, Sparse: true})
+			c.EnsureIndex(mgo.Index{Key: []string{"startts"}, Background: true, Sparse: true})
+			c.EnsureIndex(mgo.Index{Key: []string{"cid", "startts", "snid"}, Background: true, Sparse: true})
+		}
+		return c
+	}
+	return nil
+}
+
+func UpsertLotteryUserLog(log *LotteryUserLog) error {
+	c := LotteryUserLogsCollection(log.Platform)
+	if c == nil {
+		return LotteryUserLogDBErr
+	}
+	_, err := c.Upsert(bson.M{"cid": log.CId, "snid": log.SnId, "startts": log.StartTs}, log)
+	if err != nil {
+		return err
+	}
+	return nil
+}
diff --git a/dbproxy/svc/u_lottery.go b/dbproxy/svc/u_lottery.go
index baac3d0..c977e15 100644
--- a/dbproxy/svc/u_lottery.go
+++ b/dbproxy/svc/u_lottery.go
@@ -2,6 +2,7 @@ package svc
 
 import (
 	"errors"
+	"mongo.games.com/goserver/core/logger"
 	"net/rpc"
 
 	"github.com/globalsign/mgo"
@@ -59,6 +60,16 @@ func UpsertLottery(plt string, item []*model.Lottery) (err error) {
 		if err != nil {
 			return
 		}
+		err = UpsertLotteryUserLog(&LotteryUserLog{
+			Platform: plt,
+			CId:      v.CId,
+			SnId:     v.SnId,
+			StartTs:  v.StartTs,
+			CostCard: v.CostCard,
+		})
+		if err != nil {
+			logger.Logger.Warnf("UpsertLotteryUserLog error: %v", err)
+		}
 	}
 	return
 }