diff --git a/_const/redis_key/group_k/enter_room.go b/_const/redis_key/group_k/enter_room.go
new file mode 100644
index 0000000000000000000000000000000000000000..3e01264b2d6977596ea4eb863faefa0041172d1d
--- /dev/null
+++ b/_const/redis_key/group_k/enter_room.go
@@ -0,0 +1,21 @@
+package group_k
+
+import (
+	"fmt"
+	"hilo-group/_const/redis_key"
+)
+
+// 用户进房的key
+const (
+	UserEnterRoomPrefix   = "uer:"
+	UserEnterRoomUserKey  = UserEnterRoomPrefix + "u:${user_id}"
+	UserEnterRoomGroupKey = UserEnterRoomPrefix + "g:${user_id}"
+)
+
+func GetUserEnterRoomUserKey(userId uint64) string {
+	return redis_key.ReplaceKey(UserEnterRoomUserKey, fmt.Sprintf("%d", userId))
+}
+
+func GetUserEnterRoomGroupKey(groupId string) string {
+	return redis_key.ReplaceKey(UserEnterRoomGroupKey, groupId)
+}
diff --git a/domain/cache/group_c/enter_room.go b/domain/cache/group_c/enter_room.go
new file mode 100644
index 0000000000000000000000000000000000000000..814ce8b0c0062473a5b3bae6240714edf3da68d3
--- /dev/null
+++ b/domain/cache/group_c/enter_room.go
@@ -0,0 +1,71 @@
+package group_c
+
+import (
+	"fmt"
+	"git.hilo.cn/hilo-common/domain"
+	"github.com/go-redis/redis/v8"
+	"hilo-group/_const/redis_key/group_k"
+	"strconv"
+	"time"
+)
+
+// 用户进房
+func ZAddUserEnterRoom(model *domain.Model, userId uint64, imGroupId string) {
+	userKey := group_k.GetUserEnterRoomUserKey(userId)
+	groupKey := group_k.GetUserEnterRoomGroupKey(imGroupId)
+	if err := model.Redis.ZAdd(model, userKey, &redis.Z{
+		Score:  float64(time.Now().Unix()),
+		Member: imGroupId,
+	}).Err(); err != nil {
+		model.Log.Errorf("ZAddUserEnterRoom user fail:%v", err)
+	}
+	if err := model.Redis.ZAdd(model, groupKey, &redis.Z{
+		Score:  float64(time.Now().Unix()),
+		Member: userId,
+	}).Err(); err != nil {
+		model.Log.Errorf("ZAddUserEnterRoom room fail:%v", err)
+	}
+}
+
+// 获取最近房间访客
+func GetLastRoomVisitors(model *domain.Model, imGroupId string) (userIds []uint64) {
+	groupKey := group_k.GetUserEnterRoomGroupKey(imGroupId)
+	res, err := model.Redis.ZRangeByScore(model, groupKey, &redis.ZRangeBy{
+		Min: fmt.Sprintf("%d", time.Now().AddDate(0, 0, -15).Unix()),
+		Max: "+inf",
+	}).Result()
+	if err != nil {
+		return
+	}
+	for _, u := range res {
+		uid, _ := strconv.ParseUint(u, 10, 64)
+		if uid > 0 {
+			userIds = append(userIds, uid)
+		}
+	}
+	return
+}
+
+// 获取最近进入的房间
+func GetUserRecentRooms(model *domain.Model, userId uint64) (imGroupIds []string) {
+	userKey := group_k.GetUserEnterRoomUserKey(userId)
+	var err error
+	imGroupIds, err = model.Redis.ZRangeByScore(model, userKey, &redis.ZRangeBy{
+		Min: fmt.Sprintf("%d", time.Now().AddDate(0, 0, -15).Unix()),
+		Max: "+inf",
+	}).Result()
+	if err != nil {
+		return
+	}
+	return
+}
+
+// 清理房间访客
+// 15天前访问的
+func RemoveRoomVisitors(model *domain.Model, imGroupId string) {
+	groupKey := group_k.GetUserEnterRoomGroupKey(imGroupId)
+	err := model.Redis.ZRemRangeByScore(model, groupKey, "-inf", fmt.Sprintf("%d", time.Now().AddDate(0, 0, -15).Unix())).Err()
+	if err != nil {
+		model.Log.Errorf("RemoveRoomVisitors fail:%v", err)
+	}
+}
diff --git a/domain/service/event_s/event_init.go b/domain/service/event_s/event_init.go
index dfb64068e9eb1d2f935d528fb049f688c499680d..80447d9334dea82c7141d048b4dab4380ac2e8de 100644
--- a/domain/service/event_s/event_init.go
+++ b/domain/service/event_s/event_init.go
@@ -10,6 +10,7 @@ import (
 	"hilo-group/_const/enum/group_e"
 	"hilo-group/_const/enum/msg_e"
 	"hilo-group/_const/enum/task_e"
+	"hilo-group/domain/cache/group_c"
 	"hilo-group/domain/event/gift_ev"
 	"hilo-group/domain/event/group_ev"
 	"hilo-group/domain/event/group_power_ev"
@@ -246,6 +247,7 @@ func GroupEvents() {
 		}
 		err := uer.Save(model.Db)
 		model.Log.Infof("AddGroupInAsync, UserEnterRoom err: %v", err)
+		group_c.ZAddUserEnterRoom(model, event.UserId, event.GroupId) // redis存储
 		return err
 	})