diff --git a/cache/relation.go b/cache/relation.go
index 1bb8ff9..007c254 100644
--- a/cache/relation.go
+++ b/cache/relation.go
@@ -98,16 +98,18 @@ func ClearOrphanRelationItems() error {
 		if err != nil {
 			return err
 		}
+		keysNeedRemove := make([]string, 0)
 		for _, item := range relationItems {
 			exist, err := Exists(item)
 			if err != nil {
 				return err
 			}
 			if !exist {
-				cmd := global.RedisConn.B().Srem().Key(key).Member(item).Build()
-				cmds = append(cmds, cmd)
+				keysNeedRemove = append(keysNeedRemove, item)
 			}
 		}
+		cmd := global.RedisConn.B().Srem().Key(key).Member(keysNeedRemove...).Build()
+		cmds = append(cmds, cmd)
 	}
 	errs := global.RedisConn.DoMulti(global.Ctx, cmds...)
 	firstErr, has := lo.Find(errs, func(elem rueidis.RedisResult) bool {