diff --git a/internal/rpc/cache/cache.go b/internal/rpc/cache/cache.go
index ec9fa52bb..449003c5f 100644
--- a/internal/rpc/cache/cache.go
+++ b/internal/rpc/cache/cache.go
@@ -187,6 +187,7 @@ func (s *cacheServer) GetFriendIDListFromCache(_ context.Context, req *pbCache.G
 		resp.CommonResp.ErrMsg = constant.ErrDB.ErrMsg
 		return resp, nil
 	}
+	log.NewDebug(req.OperationID, utils.GetSelfFuncName(), friendIDList)
 	resp.UserIDList = friendIDList
 	log.NewInfo(req.OperationID, utils.GetSelfFuncName(), "resp: ", resp.String())
 	return resp, nil
@@ -228,6 +229,7 @@ func (s *cacheServer) GetBlackIDListFromCache(_ context.Context, req *pbCache.Ge
 		resp.CommonResp.ErrMsg = constant.ErrDB.ErrMsg
 		return resp, nil
 	}
+	log.NewDebug(req.OperationID, utils.GetSelfFuncName(), blackUserIDList)
 	resp.UserIDList = blackUserIDList
 	log.NewInfo(req.OperationID, utils.GetSelfFuncName(), "resp: ", resp.String())
 	return resp, nil
diff --git a/pkg/common/db/redisModel.go b/pkg/common/db/redisModel.go
index 8b3cdb4c7..6be6d2cce 100644
--- a/pkg/common/db/redisModel.go
+++ b/pkg/common/db/redisModel.go
@@ -6,7 +6,6 @@ import (
 	pbCommon "Open_IM/pkg/proto/sdk_ws"
 	"encoding/json"
 	"github.com/garyburd/redigo/redis"
-	"strings"
 )
 
 const (
@@ -193,8 +192,8 @@ func (d *DataBases) ReduceFriendToCache(userID string, friendIDList ...interface
 }
 
 func (d *DataBases) GetFriendIDListFromCache(userID string) ([]string, error) {
-	result, err := redis.String(d.Exec("SMEMBERS", friendRelationCache+userID))
-	return strings.Split(result, " "), err
+	result, err := redis.Strings(d.Exec("SMEMBERS", friendRelationCache+userID))
+	return result, err
 }
 
 func (d *DataBases) AddBlackUserToCache(userID string, blackList ...interface{}) error {
@@ -208,6 +207,6 @@ func (d *DataBases) ReduceBlackUserFromCache(userID string, blackList ...interfa
 }
 
 func (d *DataBases) GetBlackListFromCache(userID string) ([]string, error) {
-	result, err := redis.String(d.Exec("SMEMBERS", blackListCache+userID))
-	return strings.Split(result, " "), err
+	result, err := redis.Strings(d.Exec("SMEMBERS", blackListCache+userID))
+	return result, err
 }