diff --git a/bsp/simulator/drivers/sdl_fb.c b/bsp/simulator/drivers/sdl_fb.c
index 53779808ca91cc80e53cedd2fea7898dab85decc..d7ebbc82453919e26c99c002f4bc5404f29c2992 100755
--- a/bsp/simulator/drivers/sdl_fb.c
+++ b/bsp/simulator/drivers/sdl_fb.c
@@ -184,7 +184,6 @@ static void *sdl_loop(void *lpParam)
         switch (event.type)
         {
         case SDL_MOUSEMOTION:
-#if  0
         {
             struct rtgui_event_mouse emouse;
             emouse.parent.type = RTGUI_EVENT_MOUSE_MOTION;
@@ -200,7 +199,6 @@ static void *sdl_loop(void *lpParam)
             /* send event to server */
             rtgui_server_post_event(&emouse.parent, sizeof(struct rtgui_event_mouse));
         }
-#endif
         break;
 
         case SDL_MOUSEBUTTONDOWN: