diff --git a/server/gameserver/roomobstacle.cc b/server/gameserver/roomobstacle.cc
index 2f2ce080..7d91a916 100644
--- a/server/gameserver/roomobstacle.cc
+++ b/server/gameserver/roomobstacle.cc
@@ -17,6 +17,7 @@
 #include "ability.h"
 #include "netdata.h"
 #include "collision.h"
+#include "debugcmd.h"
 
 #include "mt/MapThing.h"
 #include "mt/Skill.h"
@@ -277,7 +278,16 @@ void RoomObstacle::Active()
         break;
     case kObstacleFlameSurface:
         {
-            ActiveFlameSurface();
+            life_time_timer = room->xtimer.SetTimeoutWpEx
+                (
+                 1,
+                 [this] (int event, const a8::Args* args)
+                 {
+                     if (a8::TIMER_EXEC_EVENT == event) {
+                         ActiveFlameSurface();
+                     }
+                 },
+                 &xtimer_attacher);
         }
         break;
     default:
@@ -903,15 +913,39 @@ void RoomObstacle::ActiveFlameSurface()
     ForceGridList();
     glm::vec3 dir = GlmHelper::UP;
     GlmHelper::RotateY(dir, rotate_);
-    glm::vec3 adjusted_pos = GetPos().ToGlmVec3() + dir * (meta->height() / 2.0f);
+    glm::vec3 adjusted_pos = GetPos().ToGlmVec3() + dir * (meta->height() / 4.0f);
+    std::shared_ptr<std::vector<glm::vec3>> points = std::make_shared<std::vector<glm::vec3>>();
+    float r = 10;
+    int width = meta->width() / r / 2;
+    int height = meta->height() / 2 / r / 2;
+    if (width < 1 || height < 1) {
+        return;
+    }
+    for (int i = 0; i < width; ++i) {
+        for (int j = 0; j < height; ++j) {
+            glm::vec3 pos = GetPos().ToGlmVec3();
+            pos.x = (-meta->width()) / 2 + r + i * r * 2;
+            pos.y = 0;
+            pos.z = r + j * r * 2;
+            GlmHelper::RotateY(pos, glm::radians(rotate_ * 180.0f));
+            points->push_back(GetPos().ToGlmVec3() + pos);
+            #if 0
+            DebugCmd::CreateSphere(master.Get(),
+                                   GetPos().ToGlmVec3() + pos,
+                                   glm::vec3(1.0f, 1.0f, 1.0f),
+                                   room->AllocUniid());
+            #endif
+        }
+    }
+    int hit_count = 0;
     auto cb =
-        [this, adjusted_pos] ()
+        [this, adjusted_pos, points, r, hit_count] () mutable
         {
             std::vector<Human*> human_list;
             room->grid_service->TraverseAllLayerHumanList
                 (room->GetRoomIdx(),
                  *grid_list_,
-                 [this, &human_list, &adjusted_pos] (Human* hum, bool& stop)
+                 [this, &human_list, &adjusted_pos, &points, r, hit_count] (Human* hum, bool& stop) mutable
                  {
                      if (hum->dead) {
                          return;
@@ -919,9 +953,24 @@ void RoomObstacle::ActiveFlameSurface()
                      if (!master.Get()) {
                          return;
                      }
+                     #if 0
                      if (master.Get()->team_id == hum->team_id) {
                          return;
                      }
+                     #endif
+#if 1
+                     for (size_t i = 0; i < points->size(); ++i) {
+                         auto point = points->at(i);
+                         if(a8::IntersectCylinderCylinder
+                             (
+                              point, r, 10,
+                              hum->GetPos().ToGlmVec3(), hum->GetHitRadius(), 10
+                              )) {
+                             human_list.push_back(hum);
+                             return;
+                         }
+                     }
+#else
                      if (Collision::Check2dRotationRectangle
                          (
                           hum->GetPos().GetX(),
@@ -931,20 +980,31 @@ void RoomObstacle::ActiveFlameSurface()
                           adjusted_pos.z,
                           meta->width(),
                           meta->height() / 2.0f,
-                          GetRotate() * 180.f
+                          glm::radians(GetRotate() * 180.f / A8_PI)
                           )) {
                          human_list.push_back(hum);
                      }
+#endif
                  }
                  );
+            if (!human_list.empty() && master.Get() && master.Get()->IsPlayer()) {
+                ++hit_count;
+#ifdef MYDEBUG
+                a8::XPrintf("火焰枪地面命中 hit_count:%d point_size:%d height:%d width:%d rotate:%f\n",
+                            {
+                                hit_count,
+                                    points->size(),
+                                    meta->height(),
+                                    meta->width(),
+                                    rotate_
+                            });
+#endif
+            }
             for (auto& hum : human_list) {
                 for (int buff_id : meta->_buff_list) {
                     if (!hum->GetBuffById(buff_id)) {
                         hum->TryAddBuff(master.Get(),
                                         buff_id);
-#ifdef MYDEBUG
-                        a8::XPrintf("火焰枪地面命中\n", {});
-#endif
                     }
                 }
             }
@@ -952,7 +1012,7 @@ void RoomObstacle::ActiveFlameSurface()
     room->xtimer.SetIntervalEx
         (
          1000 / FRAME_RATE_MS,
-         [this, cb] (int event, const a8::Args* args)
+         [this, cb] (int event, const a8::Args* args) mutable
          {
              if (a8::TIMER_EXEC_EVENT == event) {
                  cb();