diff --git a/vnpy/event/__init__.py b/vnpy/event/__init__.py
index d1f08b68..db211d01 100644
--- a/vnpy/event/__init__.py
+++ b/vnpy/event/__init__.py
@@ -1 +1 @@
-from engine import Event, EventEngine, EVENT_TIMER
\ No newline at end of file
+from .engine import Event, EventEngine, EVENT_TIMER
\ No newline at end of file