diff --git a/03-UnrealEngine/Sequence/Sequence Runtime Binding.md b/03-UnrealEngine/Sequence/Sequence Runtime Binding.md
index 045520e..0339ce0 100644
--- a/03-UnrealEngine/Sequence/Sequence Runtime Binding.md	
+++ b/03-UnrealEngine/Sequence/Sequence Runtime Binding.md	
@@ -504,5 +504,10 @@ TODO：
 
 可参考Tracker实现：
 - GeometryCacheTracks & GeometryCacheSequencer
-- MovieSceneEventTrack & MovieSceneEventSection
+- MovieSceneEventTrack
+	- MovieSceneEventSection
+	- UMovieSceneEventTriggerSection -> UMovieSceneEventSectionBase -> UMovieSceneSection
+	- UMovieSceneEventRepeaterSection  -> UMovieSceneEventSectionBase -> UMovieSceneSection
+	- MovieSceneEventSystem
+	- MovieSceneEventChannel
 ## Sequencer 组件相关概念