diff --git a/internal/rpc/cache/cache.go b/internal/rpc/cache/cache.go
index 449003c5f..42bdc7bd4 100644
--- a/internal/rpc/cache/cache.go
+++ b/internal/rpc/cache/cache.go
@@ -118,7 +118,7 @@ func updateAllFriendToCache(userList []db.User) error {
 			log.NewError("0", utils.GetSelfFuncName(), err.Error())
 			continue
 		}
-		if err := db.DB.AddFriendToCache(user.UserID, friendIDList); err != nil {
+		if err := db.DB.AddFriendToCache(user.UserID, friendIDList...); err != nil {
 			log.NewError("0", utils.GetSelfFuncName(), err.Error())
 		}
 	}
diff --git a/pkg/common/db/redisModel.go b/pkg/common/db/redisModel.go
index 6be6d2cce..18330e2a0 100644
--- a/pkg/common/db/redisModel.go
+++ b/pkg/common/db/redisModel.go
@@ -181,13 +181,13 @@ func (d *DataBases) GetUserInfoFromCache(userID string) (*pbCommon.UserInfo, err
 	return userInfo, err
 }
 
-func (d *DataBases) AddFriendToCache(userID string, friendIDList ...interface{}) error {
-	_, err := d.Exec("SADD", friendRelationCache+userID, friendIDList...)
+func (d *DataBases) AddFriendToCache(userID string, friendIDList ...string) error {
+	_, 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, 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, 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, blackList...)
+	_, err := d.Exec("SREM", blackListCache+userID, redis.Args{}.Add().AddFlat(blackList))
 	return err
 }