diff --git a/server/gameserver/buff/callfunc.cc b/server/gameserver/buff/callfunc.cc
index e1ebff17..b614b26a 100644
--- a/server/gameserver/buff/callfunc.cc
+++ b/server/gameserver/buff/callfunc.cc
@@ -147,6 +147,11 @@ void CallFuncBuff::Activate()
             ClearSummonObstacle();
         }
         break;
+    case BuffCallFunc_e::kResetSkillCd:
+        {
+            ResetSkillCd();
+        }
+        break;
     default:
         {
         }
@@ -775,3 +780,12 @@ void CallFuncBuff::ClearSummonObstacle()
     float num = meta->GetBuffParam3(this);
     owner->RemoveSurplusObstacle(id, num);
 }
+
+void CallFuncBuff::ResetSkillCd()
+{
+    int skill_id = meta->_int_buff_param2;
+    Skill* skill = owner->GetSkill(skill_id);
+    if (skill) {
+        skill->ResetSkillCd();
+    }
+}
diff --git a/server/gameserver/buff/callfunc.h b/server/gameserver/buff/callfunc.h
index e79d17ee..86d5d393 100644
--- a/server/gameserver/buff/callfunc.h
+++ b/server/gameserver/buff/callfunc.h
@@ -24,6 +24,7 @@ A8_DECLARE_CLASS_ENUM(BuffCallFunc_e, int,
                       kSummonObstacleSepcPoint = 24,
                       kSummonObstacleSpecDistance = 25,
                       kClearSummonObstacle = 26,
+                      kResetSkillCd = 27
                       );
 
 
@@ -51,6 +52,7 @@ class CallFuncBuff : public Buff
     void SummonObstacleSpecPoint();
     void SummonObstacleSpecDistance();
     void ClearSummonObstacle();
+    void ResetSkillCd();
 
     float hold_param2_ = 0.0;
 };
diff --git a/server/gameserver/gridcell.cc b/server/gameserver/gridcell.cc
index 9958e264..ada7687f 100644
--- a/server/gameserver/gridcell.cc
+++ b/server/gameserver/gridcell.cc
@@ -13,9 +13,11 @@ GridCell::GridCell()
 {
     entitys_.reserve(MAX_ROOM_IDX);
     creatures_.reserve(MAX_ROOM_IDX);
+    obstacles_.reserve(MAX_ROOM_IDX);
     for (int i = 0; i < MAX_ROOM_IDX; ++i) {
         entitys_.push_back(std::set<Entity*>());
         creatures_.push_back(std::set<Creature*>());
+        obstacles_.push_back(std::set<Obstacle*>());
     }
 }
 
@@ -24,6 +26,7 @@ void GridCell::ClearRoomData(Room* room)
 {
     entitys_[room->GetRoomIdx()].clear();
     creatures_[room->GetRoomIdx()].clear();
+    obstacles_[room->GetRoomIdx()].clear();
 }
 
 void GridCell::TraverseHumanList(std::function<void (Human*, bool&)> func,
diff --git a/server/gameserver/mapinstance.cc b/server/gameserver/mapinstance.cc
index 71a8f63a..f0bb6c12 100644
--- a/server/gameserver/mapinstance.cc
+++ b/server/gameserver/mapinstance.cc
@@ -529,6 +529,7 @@ void MapInstance::MarkMapAreaPolys()
         int ext_flag = 0;
         dtPoly* poly = &tile->polys[i];
         if ((poly->flags & SAMPLE_POLYFLAGS_SWIM) == SAMPLE_POLYFLAGS_SWIM) {
+            #if 0
             const mt::MapArea* last_area_meta = nullptr;
             for (int ii = 0; ii < poly->vertCount; ++ii) {
                 const float* vc = &tile->verts[poly->verts[ii]*3];
@@ -573,6 +574,7 @@ void MapInstance::MarkMapAreaPolys()
                 }
                 break;
             }
+            #endif
         } else if ((poly->flags & SAMPLE_POLYFLAGS_GLASS) == SAMPLE_POLYFLAGS_GLASS) {
             for (int ii = 0; ii < poly->vertCount; ++ii) {
                 const float* vc = &tile->verts[poly->verts[ii]*3];
diff --git a/server/gameserver/netdata.cc b/server/gameserver/netdata.cc
index e406d4a1..f9e6f1d5 100644
--- a/server/gameserver/netdata.cc
+++ b/server/gameserver/netdata.cc
@@ -976,7 +976,7 @@ float BattleDataContext::GetBrainLifePct()
 
 float BattleDataContext::GetSkillCdPct()
 {
-    return hero_ability_->GetSkillCdPct();
+    return hero_ability_->GetSkillCdPct() + owner_.Get()->GetAbility()->GetAttrAddition(kHAT_SkillTime);
 }
 
 float BattleDataContext::GetRescueTimePct()
diff --git a/server/gameserver/skill.cc b/server/gameserver/skill.cc
index 82e5d09f..73fa9a34 100644
--- a/server/gameserver/skill.cc
+++ b/server/gameserver/skill.cc
@@ -58,7 +58,7 @@ int Skill::GetCd()
         meta->skill_type() == kPassiveSkill) {
         return meta->skill_cd() * 1000;
     } else {
-        return meta->skill_cd() * 1000 * (1 + owner->GetBattleContext()->GetSkillCdPct());
+        return meta->skill_cd() * 1000 * (1 - owner->GetBattleContext()->GetSkillCdPct());
     }
 }