diff --git a/server/gameserver/buff/hide.cc b/server/gameserver/buff/hide.cc
index 9bcb3950..cad1eb3b 100644
--- a/server/gameserver/buff/hide.cc
+++ b/server/gameserver/buff/hide.cc
@@ -15,7 +15,17 @@ void HideBuff::Activate()
     float alert_range = meta->GetBuffParam2(this);
     float alert_time = meta->GetBuffParam3(this);
     if (alert_range > 1.0f) {
-
+        owner->room->xtimer.SetIntervalWpEx
+            (
+             SERVER_FRAME_RATE,
+             [this, alert_range, alert_time]
+             (int event, const a8::Args* args) mutable
+             {
+                 if (a8::TIMER_EXEC_EVENT == event) {
+                 }
+             },
+             &xtimer_attacher
+             );
     }
 }