diff --git a/server/gameserver/mt/MapCollider.cc b/server/gameserver/mt/MapCollider.cc
index 317918c8..735dc2b7 100644
--- a/server/gameserver/mt/MapCollider.cc
+++ b/server/gameserver/mt/MapCollider.cc
@@ -5,6 +5,8 @@
 #include "mt/MapCollider.h"
 #include "mt/MetaMgr.h"
 
+#include "navmesh.pb.h"
+
 std::vector<mt::MapCollider*> mt::MapCollider::raw_list;
 std::map<std::string, mt::MapCollider*> mt::MapCollider::name_hash;
 
@@ -30,6 +32,7 @@ namespace mt
         for (auto& filename : files) {
             MapCollider* p = new MapCollider();
             p->Load(filename);
+            p->LoadTerrain("map4_terrain.bin");
             raw_list.push_back(p);
             name_hash[filename] = p;
         }
@@ -51,6 +54,21 @@ namespace mt
         }
     }
 
+    void MapCollider::LoadTerrain(const std::string& filename)
+    {
+        FILE *fp = fopen((mt::MetaMgr::Instance()->GetResDir() + filename).c_str(), "rb");
+        if (fp) {
+            fseek(fp, 0, SEEK_END);
+            int file_size = ftell(fp);
+            if (file_size > 0) {
+                char* data = (char*)malloc(file_size);
+                size_t read_len = fread(data, file_size, 1, fp);
+                free(data);
+            }
+            fclose(fp);
+        }
+    }
+
     mc::ColliderNode* MapCollider::GetNode(const std::string& name)
     {
         auto itr = nodes_.find(name);
diff --git a/server/gameserver/mt/MapCollider.h b/server/gameserver/mt/MapCollider.h
index 2fe4e843..d97396b8 100644
--- a/server/gameserver/mt/MapCollider.h
+++ b/server/gameserver/mt/MapCollider.h
@@ -21,6 +21,7 @@ namespace mt
     public:
 
         void Load(const std::string& filename);
+        void LoadTerrain(const std::string& filename);
         mc::ColliderNode* GetNode(const std::string& name);
         std::map<std::string, mc::ColliderNode*>& GetNodes() { return nodes_; };