diff --git a/server/gameserver/roomobstacle.cc b/server/gameserver/roomobstacle.cc
index 72f00121..4da7ef9c 100644
--- a/server/gameserver/roomobstacle.cc
+++ b/server/gameserver/roomobstacle.cc
@@ -215,7 +215,7 @@ void RoomObstacle::UpdateTimerFunc()
     }
 }
 
-void RoomObstacle::SpecExplosion()
+void RoomObstacle::SpecExplosion(int delay_time)
 {
     ++explosion_times_;
     if (meta->i->damage_dia() > 0.01f) {
@@ -234,6 +234,9 @@ void RoomObstacle::SpecExplosion()
         if (room->grid_service->CanAdd(bomb_pos.x, bomb_pos.y)) {
             std::shared_ptr<Explosion> explosion = EntityFactory::Instance()->MakeExplosion();
             explosion->exclude_uniid = GetUniId();
+            if (delay_time > 0) {
+                explosion->SetDamageDelay(delay_time);
+            }
             explosion->IndifferenceAttack(
                                           room,
                                           bomb_pos,
@@ -398,7 +401,7 @@ void RoomObstacle::ActiveSelfExplosion()
                   [] (const a8::XParams& param)
                   {
                       RoomObstacle* obstacle = (RoomObstacle*)param.sender.GetUserData();
-                      obstacle->SpecExplosion();
+                      obstacle->SpecExplosion(obstacle->meta->i->explosion_dmg_delay());
                   },
                   &obstacle->xtimer_attacher.timer_list_
                   );
diff --git a/server/gameserver/roomobstacle.h b/server/gameserver/roomobstacle.h
index 0b340a8d..9078a1f2 100644
--- a/server/gameserver/roomobstacle.h
+++ b/server/gameserver/roomobstacle.h
@@ -43,7 +43,7 @@ class RoomObstacle : public Obstacle
     void DestoryAt(int time);
 
 private:
-    void SpecExplosion();
+    void SpecExplosion(int delay_time = 0);
     void ActiveSelfExplosion();
     void ActiveMine();
     void ActiveTrap();