diff --git a/cache/relation.go b/cache/relation.go
index 007c254..f50f5be 100644
--- a/cache/relation.go
+++ b/cache/relation.go
@@ -98,18 +98,17 @@ func ClearOrphanRelationItems() error {
 		if err != nil {
 			return err
 		}
-		keysNeedRemove := make([]string, 0)
 		for _, item := range relationItems {
-			exist, err := Exists(item)
+			separated := strings.Split(item, ";")
+			exist, err := Exists(separated[1])
 			if err != nil {
 				return err
 			}
 			if !exist {
-				keysNeedRemove = append(keysNeedRemove, item)
+				cmd := global.RedisConn.B().Srem().Key(key).Member(item).Build()
+				cmds = append(cmds, cmd)
 			}
 		}
-		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 {
diff --git a/main.go b/main.go
index 2332316..5f10237 100644
--- a/main.go
+++ b/main.go
@@ -160,6 +160,7 @@ func DBConnectionKeepLive() {
 
 func RedisOrphanCleanup() {
 	for range time.Tick(2 * time.Minute) {
+		log.Printf("[Cache] [Cleanup] Proceeding cleanup orphan keys.")
 		err := cache.ClearOrphanRelationItems()
 		if err != nil {
 			log.Printf("[Cache] [Cleanup] Orphan keys clear failed: %v", err)