diff --git a/protos/device_state.proto b/protos/device_state.proto
index 9d06c86..645bbeb 100644
--- a/protos/device_state.proto
+++ b/protos/device_state.proto
@@ -241,6 +241,7 @@ message ReplyState {
 message ButtonState {
 	string id = 1;
 	bool down = 2;
+	Signal.Aspect aspect = 3; // 带灯的按钮
 }
 
 // 警铃状态