diff --git a/server/gameserver/collider.h b/server/gameserver/collider.h
index 0184539b..ea9b0ee3 100644
--- a/server/gameserver/collider.h
+++ b/server/gameserver/collider.h
@@ -15,6 +15,8 @@ class ColliderComponent
     ColliderType_e type = CT_None;
     bool active = true;
     int tag = 0;
+    int param1 = 0;
+    int param2 = 0;
 
     bool Intersect(ColliderComponent* b);
     bool IntersectEx(const a8::Vec2& pos, ColliderComponent* b);
diff --git a/server/gameserver/creature.cc b/server/gameserver/creature.cc
index 44f8ea37..a502d5f7 100644
--- a/server/gameserver/creature.cc
+++ b/server/gameserver/creature.cc
@@ -1120,6 +1120,8 @@ void Creature::CheckSpecObject()
 
     #ifdef DEBUG
     long long old_cell_flags = cell_flags_;
+    int water_w = 0;
+    int water_h = 0;
     #endif
     cell_flags_ = 0;
     for (const ColliderComponent* collider : colliders) {
@@ -1129,6 +1131,12 @@ void Creature::CheckSpecObject()
             {
                 if (TestCollision(room, (ColliderComponent*)collider)) {
                     cell_flags_ |= collider->tag;
+                    #ifdef DEBUG
+                    if (a8::HasBitFlag(collider->tag, kColliderTag_Water)) {
+                        water_w = collider->param1;
+                        water_h = collider->param2;
+                    }
+                    #endif
                 }
             }
             break;
@@ -1175,7 +1183,7 @@ void Creature::CheckSpecObject()
                     msg += " 灰:0";
                 }
             }
-            msg += a8::Format("  o:%d n:%d", {old_cell_flags, cell_flags_});
+            msg += a8::Format("  o:%d n:%d w:%d h:%d", {old_cell_flags, cell_flags_, water_w, water_h});
             SendDebugMsg(msg);
         }
     }
diff --git a/server/gameserver/human.cc b/server/gameserver/human.cc
index 0eb0bbd4..b677d3ac 100644
--- a/server/gameserver/human.cc
+++ b/server/gameserver/human.cc
@@ -3253,12 +3253,6 @@ void Human::OnLand()
         }
         SetPos(old_pos);
     }
-    #ifdef DEBUG
-    if (IsPlayer()) {
-        SummonHero(6001);
-        a8::XPrintf("Summon Hero\n", {});
-    }
-    #endif
 }
 
 void Human::NextReload(int prev_weapon_id, int prev_weapon_idx)
diff --git a/server/gameserver/mapinstance.cc b/server/gameserver/mapinstance.cc
index 6d0fac52..16233723 100644
--- a/server/gameserver/mapinstance.cc
+++ b/server/gameserver/mapinstance.cc
@@ -162,7 +162,7 @@ void MapInstance::CreateTerrain()
         return;
     }
     metatable::MapLayerJson* first_layer = nullptr;
-    for (auto layer : *layers) {
+    for (auto& layer : *layers) {
         if (!first_layer) {
             first_layer = &layer;
         }
@@ -190,15 +190,15 @@ void MapInstance::CreateTerrain()
     }
     std::set<int> dusts;
     for (auto idx : terrain->dust()) {
-        dusts.insert(idx);
+        dusts.insert(idx + 1);
     }
     std::set<int> waters;
     for (auto idx : terrain->water()) {
-        waters.insert(idx);
+        waters.insert(idx + 1);
     }
     std::set<int> grasses;
     for (auto idx : terrain->grass()) {
-        grasses.insert(idx);
+        grasses.insert(idx + 1);
     }
 
     int mask = A8_DEFINE_RANGE_BIT(int, 0, 22);
@@ -222,7 +222,7 @@ void MapInstance::CreateTerrain()
         for (int w = 0; w < first_layer->width(); ++w) {
             for (int h = 0; h < first_layer->height(); ++h) {
                 assert(w < 300 && h < 300);
-                int grid_val = grids[w * first_layer->width() + h];
+                int grid_val = grids[h * first_layer->width() + w];
                 if (grid_val != 0) {
                     float x = w * thing_meta->i->width() + thing_meta->i->width() / 2.0f;
                     float y = (first_layer->height() * thing_meta->i->height()) - (h * thing_meta->i->height() + thing_meta->i->height() / 2.0f);
@@ -233,6 +233,7 @@ void MapInstance::CreateTerrain()
                     } else if (waters.find(grid_val) != waters.end()) {
                         a8::SetBitFlag(collider_tag, kColliderTag_Water);
                         assert(collider_tag > 0);
+
                     } else if (grasses.find(grid_val) != grasses.end()) {
                         a8::SetBitFlag(collider_tag, kColliderTag_Grass);
                         assert(collider_tag > 0);
@@ -244,7 +245,9 @@ void MapInstance::CreateTerrain()
                                                [] (Obstacle* entity)
                                                {
                                                },
-                                               true);
+                                               true,
+                                               w,
+                                               h);
                     }
                 }
             }
@@ -324,12 +327,16 @@ void MapInstance::CreateBuilding(int thing_id, float building_x, float building_
 
 Obstacle* MapInstance::InternalCreateObstacle(int id, float x, float y, int collider_tag,
                                               std::function<void (Obstacle*)> on_precreate,
-                                              bool no_grid_service)
+                                              bool no_grid_service,
+                                              int collider_param1,
+                                              int collider_param2)
 {
     MetaData::MapThing* thing = MetaMgr::Instance()->GetMapThing(id);
     if (thing) {
         Obstacle* entity = EntityFactory::Instance()->MakeObstacle(AllocUniid());
         entity->collider_tag = collider_tag;
+        entity->collider_param1 = collider_param1;
+        entity->collider_param2 = collider_param2;
         entity->meta = thing;
         entity->is_permanent = true;
         entity->permanent_map_service = map_service_;
diff --git a/server/gameserver/mapinstance.h b/server/gameserver/mapinstance.h
index ec9d729c..24b2c925 100644
--- a/server/gameserver/mapinstance.h
+++ b/server/gameserver/mapinstance.h
@@ -31,7 +31,9 @@ class MapInstance
     void CreateBuilding(int thing_id, float building_x, float building_y);
     Obstacle* InternalCreateObstacle(int id, float x, float y, int collider_tag,
                                      std::function<void (Obstacle*)> on_precreate,
-                                     bool no_grid_service = false);
+                                     bool no_grid_service = false,
+                                     int collider_param1 = 0,
+                                     int collider_param2 = 0);
     Entity* GetEntityByUniId(int uniid);
     int AllocUniid();
 
diff --git a/server/gameserver/obstacle.cc b/server/gameserver/obstacle.cc
index 05401c71..e74aa7a2 100644
--- a/server/gameserver/obstacle.cc
+++ b/server/gameserver/obstacle.cc
@@ -99,6 +99,8 @@ void Obstacle::RecalcSelfCollider()
     }
     for (auto collider : colliders_) {
         collider->tag = collider_tag;
+        collider->param1 = collider_param1;
+        collider->param2 = collider_param2;
     }
 }
 
diff --git a/server/gameserver/obstacle.h b/server/gameserver/obstacle.h
index a335df70..382a69a9 100644
--- a/server/gameserver/obstacle.h
+++ b/server/gameserver/obstacle.h
@@ -26,6 +26,8 @@ class Obstacle : public Entity
     MapService* permanent_map_service = nullptr;
     bool is_permanent = false;
     int collider_tag = 0;
+    int collider_param1 = 0;
+    int collider_param2 = 0;
 
     virtual ~Obstacle() override;
     virtual void Initialize() override;