diff --git a/server/gameserver/airraid.cc b/server/gameserver/airraid.cc
index 40e532fe..6a2dc2d3 100644
--- a/server/gameserver/airraid.cc
+++ b/server/gameserver/airraid.cc
@@ -115,6 +115,51 @@ bool AirRaid::GenAirRaidPos(const mt::AirRaid* raid_meta, glm::vec3& center)
 void AirRaid::ExecOneRoundAirRaid(const mt::AirRaid* raid_meta, const glm::vec3& pos)
 {
     #if 1
+    int continue_time = std::get<0>(raid_meta->_bombling_time);
+    int interval_time = std::get<1>(raid_meta->_bombling_time);
+    int bomb_times = continue_time / std::max(1, interval_time);
+    for (int i = 0; i < bomb_times; ++i) {
+        glm::vec3 born_pos = pos;
+        int num = 1;
+        int delay = i * interval_time * 1000;
+
+        auto bomb_cb =
+            [this, raid_meta, num, delay, born_pos]
+            (int event, const a8::Args* args)
+            {
+                if (a8::TIMER_EXEC_EVENT == event) {
+                    if (room_->IsGameOver()) {
+                        return;
+                    }
+                    glm::vec3 center = born_pos;
+                    room_->map_instance->Scale(center);
+                    glm::vec3 point;
+                    if (room_->map_instance->FindRandomPointAroundCircle
+                        (
+                         center,
+                         100 * room_->GetMapMeta()->scale(),
+                         point
+                         )) {
+                        room_->map_instance->UnScale(point);
+                        for (auto bomb_id : raid_meta->_bomb_ids) {
+                            RoomObstacle* obstacle = room_->CreateObstacle
+                                (
+                                 bomb_id,
+                                 point.x,
+                                 point.y,
+                                 point.z
+                                 );
+                            obstacle->Active();
+                        }
+                    }
+                }
+            };
+
+        room_->xtimer.SetTimeoutEx
+            (delay / FRAME_RATE_MS,
+             bomb_cb,
+             &room_->xtimer_attacher_);
+    }
     #else
     for (auto& tuple : raid_meta->_raid_waves) {
         int num = std::get<0>(tuple);