diff --git a/server/gameserver/collision.cc b/server/gameserver/collision.cc
index cb131ddb..7629f478 100644
--- a/server/gameserver/collision.cc
+++ b/server/gameserver/collision.cc
@@ -36,6 +36,11 @@ bool Collision::CheckCB(Creature* c, Obstacle* b)
     return false;
 }
 
+bool Collision::CheckCB(Creature* c, float c_radius, Obstacle* b, float b_radius)
+{
+    return false;
+}
+
 static float TwoDistance(float x1, float y1, float x2, float y2)
 {
     return pow(pow((x1 - x2), 2.0f) + pow((y1 - y2), 2.0f), 0.5);
diff --git a/server/gameserver/collision.h b/server/gameserver/collision.h
index 7aae6c25..9379f409 100644
--- a/server/gameserver/collision.h
+++ b/server/gameserver/collision.h
@@ -12,6 +12,7 @@ class Collision
     static bool CheckCC(Creature* a, Creature* b);
     static bool CheckCC(Creature* a, float radius, Creature* b, float radis);
     static bool CheckCB(Creature* c, Obstacle* b);
+    static bool CheckCB(Creature* c, float c_radius, Obstacle* b, float b_radius);
 
     /*
       --圆与旋转矩形碰撞
diff --git a/server/gameserver/roomobstacle.cc b/server/gameserver/roomobstacle.cc
index f25d9e4e..fb52ec03 100644
--- a/server/gameserver/roomobstacle.cc
+++ b/server/gameserver/roomobstacle.cc
@@ -494,7 +494,7 @@ void RoomObstacle::SummonAirDropBox(int box_id)
     Position born_pos = GetPos();
     const mt::MapThing* thing_meta = mt::MapThing::GetById(box_id);
     if (thing_meta && thing_meta->summon_born_rad() > 0) {
-        glm::vec3 born_dir = Glmhelper::UP;
+        glm::vec3 born_dir = GlmHelper::UP;
         GlmHelper::RotateY(born_dir, GetUniId());
         // 999
         #if 1