diff --git a/f8/app.cc b/f8/app.cc
index f50f1ce..1c77d28 100644
--- a/f8/app.cc
+++ b/f8/app.cc
@@ -84,8 +84,8 @@ namespace f8
                 f8::MsgQueue::Instance()->Update();
                 DispatchNetMsg();
                 user_app->Update(delta_time);
-                a8::tick_t end_tick = a8::XGetTickCount();
                 Schedule();
+                a8::tick_t end_tick = a8::XGetTickCount();
                 //if (end_tick - begin_tick > PerfMonitor::Instance()->max_run_delay_time) {
                 //PerfMonitor::Instance()->max_run_delay_time = end_tick - begin_tick;
                 //}