diff --git a/server/gameserver/base_agent.cc b/server/gameserver/base_agent.cc
index fc5d4054..c847f04c 100644
--- a/server/gameserver/base_agent.cc
+++ b/server/gameserver/base_agent.cc
@@ -59,6 +59,7 @@ void BaseAgent::Exec()
             status_= behaviac::BT_INVALID;
             runing_cb_ = nullptr;
             event_cb_(false, has_event);
+            event_cb_ = nullptr;
 #ifdef DEBUG
             a8::XPrintf("FireEvent OnAttacked\n", {});
 #endif