diff --git a/inc/hgl/type/TickObject.h b/inc/hgl/type/TickObject.h
index 7e981d5..f8c8127 100644
--- a/inc/hgl/type/TickObject.h
+++ b/inc/hgl/type/TickObject.h
@@ -4,7 +4,7 @@
 
 namespace hgl
 {
-    class TickObject:public _Object
+    class TickObject:virtual public _Object
     {
     private: