diff --git a/components/rtgui/widgets/menu.c b/components/rtgui/widgets/menu.c
index 215a426cbbdff9c27b8e28da09cff99f1bef2630..672fe9ba22ef52dfb1daa3c8c783358f6812fe2a 100644
--- a/components/rtgui/widgets/menu.c
+++ b/components/rtgui/widgets/menu.c
@@ -49,7 +49,7 @@ static void _rtgui_menu_onitem(struct rtgui_widget* widget, struct rtgui_event*
 		rt_uint16_t count;
 		rtgui_rect_t item_rect;
 
-		items = menu->items[menu->items_list->current_item].submenu;
+		items = (rtgui_menu_item_t*)menu->items[menu->items_list->current_item].submenu;
 		count = menu->items[menu->items_list->current_item].submenu_count;
 		if (menu->sub_menu != RT_NULL)
 		{
@@ -164,7 +164,7 @@ static rt_bool_t rtgui_menu_on_deactivate(rtgui_widget_t* widget, rtgui_event_t*
 	{
 		/* whether click on parent menu */
 		if (rtgui_win_is_activated(RTGUI_WIN(menu->parent_menu)) == RT_TRUE &&
-			menu->parent_menu->items[menu->parent_menu->items_list->current_item].submenu == menu->items)
+			menu->parent_menu->items[menu->parent_menu->items_list->current_item].submenu == (struct rtgui_menu_item_t *)menu->items)
 			return RT_TRUE;
 	}
 
diff --git a/examples/gui/demo_view_menu.c b/examples/gui/demo_view_menu.c
index c0dabbb8df21ce24bf731f9c164883f4d088648c..168a79714278fb073ed01a5d76a09d6123af2809 100644
--- a/examples/gui/demo_view_menu.c
+++ b/examples/gui/demo_view_menu.c
@@ -25,7 +25,7 @@ static const rtgui_menu_item_t items[] =
 	{RTGUI_ITEM_NORMAL, "item #1", RT_NULL, RT_NULL, 0, RT_NULL},
 	{RTGUI_ITEM_NORMAL, "item #2", RT_NULL, RT_NULL, 0, RT_NULL},
 	{RTGUI_ITEM_SEPARATOR, RT_NULL, RT_NULL, RT_NULL, 0, RT_NULL},
-	{RTGUI_ITEM_SUBMENU, "item #3", RT_NULL, sub_items, sizeof(sub_items)/sizeof(sub_items[0]), RT_NULL},
+	{RTGUI_ITEM_SUBMENU, "item #3", RT_NULL, (struct rtgui_menu_item_t *)sub_items, sizeof(sub_items)/sizeof(sub_items[0]), RT_NULL},
 };
 static rtgui_menu_t* menu;