diff --git a/pkg/common/db/redisModel.go b/pkg/common/db/redisModel.go
index 18330e2a0..a49df09d3 100644
--- a/pkg/common/db/redisModel.go
+++ b/pkg/common/db/redisModel.go
@@ -182,12 +182,12 @@ func (d *DataBases) GetUserInfoFromCache(userID string) (*pbCommon.UserInfo, err
 }
 
 func (d *DataBases) AddFriendToCache(userID string, friendIDList ...string) error {
-	_, err := d.Exec("SADD", friendRelationCache+userID, redis.Args{}.Add().AddFlat(friendIDList))
+	_, err := d.Exec("SADD", friendRelationCache+userID, redis.Args{}.Add().AddFlat(friendIDList)...)
 	return err
 }
 
 func (d *DataBases) ReduceFriendToCache(userID string, friendIDList ...interface{}) error {
-	_, err := d.Exec("SREM", friendRelationCache+userID, redis.Args{}.Add().AddFlat(friendIDList))
+	_, err := d.Exec("SREM", friendRelationCache+userID, redis.Args{}.Add().AddFlat(friendIDList)...)
 	return err
 }
 
@@ -197,12 +197,12 @@ func (d *DataBases) GetFriendIDListFromCache(userID string) ([]string, error) {
 }
 
 func (d *DataBases) AddBlackUserToCache(userID string, blackList ...interface{}) error {
-	_, err := d.Exec("SADD", blackListCache+userID, redis.Args{}.Add().AddFlat(blackList))
+	_, err := d.Exec("SADD", blackListCache+userID, redis.Args{}.Add().AddFlat(blackList)...)
 	return err
 }
 
 func (d *DataBases) ReduceBlackUserFromCache(userID string, blackList ...interface{}) error {
-	_, err := d.Exec("SREM", blackListCache+userID, redis.Args{}.Add().AddFlat(blackList))
+	_, err := d.Exec("SREM", blackListCache+userID, redis.Args{}.Add().AddFlat(blackList)...)
 	return err
 }