diff --git a/include/react/detail/EventBase.h b/include/react/detail/EventBase.h
index 583651aa..4d5b9286 100644
--- a/include/react/detail/EventBase.h
+++ b/include/react/detail/EventBase.h
@@ -33,6 +33,7 @@ class EventStreamBase : public CopyableReactive<EventStreamNode<D,E>>
     EventStreamBase() = default;
     EventStreamBase(const EventStreamBase&) = default;
 
+    // ÓÒÖµÒýÓÃ
     template <typename T>
     EventStreamBase(T&& t) :
         EventStreamBase::CopyableReactive( std::forward<T>(t) )