diff --git a/server/gameserver/mt/SafeArea.cc b/server/gameserver/mt/SafeArea.cc
index 7fca8b19..6f35c7f4 100644
--- a/server/gameserver/mt/SafeArea.cc
+++ b/server/gameserver/mt/SafeArea.cc
@@ -4,7 +4,20 @@
 
 IMPL_TABLE(mt::SafeArea)
 
+std::map<int, const mt::SafeArea*> mt::SafeArea::type_hash_;
+
 namespace mt
 {
 
+    void SafeArea::Init1()
+    {
+        type_hash_[type()] = this;
+    }
+
+    const SafeArea* SafeArea::GetByType(int type)
+    {
+        auto itr = type_hash_.find(type);
+        return itr != type_hash_.end() ? itr->second : nullptr;
+    }
+
 }
diff --git a/server/gameserver/mt/SafeArea.h b/server/gameserver/mt/SafeArea.h
index f783b16c..279bf6a4 100644
--- a/server/gameserver/mt/SafeArea.h
+++ b/server/gameserver/mt/SafeArea.h
@@ -11,7 +11,11 @@ namespace mt
                      "id")
     public:
 
-       static const SafeArea* GetByType(int type) {};
+       void Init1();
+       static const SafeArea* GetByType(int type);
+
+    private:
+       static std::map<int, const SafeArea*> type_hash_;
     };
 
 }