diff --git a/server/gameserver/entity.cc b/server/gameserver/entity.cc
index 41917c7..b9de93c 100644
--- a/server/gameserver/entity.cc
+++ b/server/gameserver/entity.cc
@@ -42,8 +42,8 @@ bool Entity::TestCollision(Room* room, Entity* b)
     }
     OnPreCollision(room);
     b->OnPreCollision(room);
-    for (auto& a_collider : colliders) {
-        for (auto& b_collider : b->colliders) {
+    for (auto& a_collider : colliders_) {
+        for (auto& b_collider : b->colliders_) {
             if (a_collider->Intersect(b_collider)) {
                 return true;
             }
@@ -59,7 +59,7 @@ bool Entity::TestCollision(Room* room,ColliderComponent* b)
     }
     OnPreCollision(room);
     b->owner->OnPreCollision(room);
-    for (auto& a_collider : colliders) {
+    for (auto& a_collider : colliders_) {
         if (a_collider->Intersect(b)) {
             return true;
         }
@@ -73,7 +73,7 @@ bool Entity::TestCollisionEx(Room* room, const a8::Vec2& aabb_pos, AabbCollider&
     if (aabb_box.owner) {
         aabb_box.owner->OnPreCollision(room);
     }
-    for (auto& a_collider : colliders) {
+    for (auto& a_collider : colliders_) {
         if (a_collider->IntersectEx(aabb_pos, &aabb_box)) {
             return true;
         }
@@ -83,11 +83,11 @@ bool Entity::TestCollisionEx(Room* room, const a8::Vec2& aabb_pos, AabbCollider&
 
 void Entity::ClearColliders()
 {
-    for (auto& itr : colliders) {
+    for (auto& itr : colliders_) {
         ColliderComponent* collider = itr;
         DestoryCollider(collider);
     }
-    colliders.clear();
+    colliders_.clear();
 }
 
 void Entity::BroadcastFullState(Room* room)
@@ -120,7 +120,7 @@ void Entity::BroadcastDeleteState(Room* room)
 
 void Entity::AddEntityCollider(ColliderComponent* collider)
 {
-    colliders.push_back(collider);
+    colliders_.push_back(collider);
 }
 
 bool Entity::IsPermanent()
diff --git a/server/gameserver/entity.h b/server/gameserver/entity.h
index 3e65bd2..9f5df07 100644
--- a/server/gameserver/entity.h
+++ b/server/gameserver/entity.h
@@ -75,7 +75,7 @@ class Entity
     }
 
 protected:
-    std::list<ColliderComponent*> colliders;
+    std::list<ColliderComponent*> colliders_;
 
 private:
     a8::Vec2 pos_;
diff --git a/server/gameserver/roomobstacle.cc b/server/gameserver/roomobstacle.cc
index d33d927..c47df8b 100644
--- a/server/gameserver/roomobstacle.cc
+++ b/server/gameserver/roomobstacle.cc
@@ -18,7 +18,7 @@ RoomObstacle::RoomObstacle():Obstacle()
 
 RoomObstacle::~RoomObstacle()
 {
-    for (auto& itr : colliders) {
+    for (auto& itr : colliders_) {
         ColliderComponent* collider = itr;
 #ifdef DEBUG
         a8::UdpLog::Instance()->Debug("OnRemoveCollider %d %d %d",