diff --git a/worldsrv/scenepolicydata.go b/worldsrv/scenepolicydata.go
index 99186a1..5163041 100644
--- a/worldsrv/scenepolicydata.go
+++ b/worldsrv/scenepolicydata.go
@@ -256,5 +256,5 @@ func (spd *ScenePolicyData) NeedRoomCardCost(costType, playerNum int, roomConfig
 			})
 		}
 	}
-	return []*ItemCost{}
+	return ret
 }