diff --git a/server/gameserver/mt/AirLine.cc b/server/gameserver/mt/AirLine.cc
index 477ab753..d5ca2429 100644
--- a/server/gameserver/mt/AirLine.cc
+++ b/server/gameserver/mt/AirLine.cc
@@ -13,14 +13,16 @@ namespace mt
         {
             std::vector<std::string> strings;
             a8::Split(start_point(), strings, ':');
-            _start_point_x = a8::XValue(strings[0]).GetDouble();
-            _start_point_y = a8::XValue(strings[1]).GetDouble();
+            start_point_.x = a8::XValue(strings[0]).GetDouble();
+            start_point_.y = 0.0f;
+            start_point_.z = a8::XValue(strings[1]).GetDouble();
         }
         {
             std::vector<std::string> strings;
             a8::Split(end_point(), strings, ':');
-            _end_point_x = a8::XValue(strings[0]).GetDouble();
-            _end_point_y = a8::XValue(strings[1]).GetDouble();
+            end_point_.x = a8::XValue(strings[0]).GetDouble();
+            end_point_.y = 0.0f;
+            end_point_.z = a8::XValue(strings[1]).GetDouble();
         }
         {
             auto itr = mapid_hash_.find(map_id());
diff --git a/server/gameserver/mt/AirLine.h b/server/gameserver/mt/AirLine.h
index 89ecc903..00295aca 100644
--- a/server/gameserver/mt/AirLine.h
+++ b/server/gameserver/mt/AirLine.h
@@ -10,18 +10,18 @@ namespace mt
                      "airline@airline.csv",
                      "id")
     public:
-        float _start_point_x = 0.0f;
-        float _start_point_y = 0.0f;
-
-        float _end_point_x = 0.0f;
-        float _end_point_y = 0.0f;
 
         void Init1();
+        const glm::vec3& GetStartPoint() const { return start_point_; };
+        const glm::vec3& GetEndPoint() const { return end_point_; };
 
         static const AirLine* RandAirLine(int map_id);
 
     private:
         static std::map<int, std::vector<const mt::AirLine*>> mapid_hash_;
+
+        glm::vec3 start_point_;
+        glm::vec3 end_point_;
     };
 
 }
diff --git a/server/gameserver/room.cc b/server/gameserver/room.cc
index a41aea9d..59ed377d 100644
--- a/server/gameserver/room.cc
+++ b/server/gameserver/room.cc
@@ -1845,8 +1845,8 @@ void Room::ShuaPlane()
     if (!airline_) {
         A8_ABORT();
     }
-    plane.start_point = glm::vec3(airline_->_start_point_x, 0.0f, airline_->_start_point_y);
-    plane.end_point = glm::vec3(airline_->_end_point_x, 0.0f, airline_->_end_point_y);
+    plane.start_point = airline_->GetStartPoint();
+    plane.end_point = airline_->GetEndPoint();
     plane.dir = plane.end_point - plane.start_point;
     GlmHelper::Normalize(plane.dir);
     plane.curr_pos = plane.start_point;