diff --git a/server/rankserver/metadata.cc b/server/rankserver/metadata.cc
new file mode 100644
index 0000000..e69de29
diff --git a/server/rankserver/metadata.h b/server/rankserver/metadata.h
new file mode 100644
index 0000000..e69de29
diff --git a/server/rankserver/metamgr.cc b/server/rankserver/metamgr.cc
new file mode 100644
index 0000000..9b18001
--- /dev/null
+++ b/server/rankserver/metamgr.cc
@@ -0,0 +1,81 @@
+#include "precompile.h"
+
+#include <a8/stringlist.h>
+#include <a8/csvreader.h>
+
+#include "framework/cpp/utils.h"
+
+#include "metamgr.h"
+#include "app.h"
+#include "jsondatamgr.h"
+
+#define METAMGR_READ(field_name, def_val) MetaMgr::Instance()->field_name = \
+        a8::XValue(MetaMgr::Instance()->GetSysParamAsString(#field_name, #def_val));
+
+#define METAMGR_READ_STR(field_name, def_val) MetaMgr::Instance()->field_name = \
+        a8::XValue(MetaMgr::Instance()->GetSysParamAsString(#field_name, def_val)).GetString();
+
+class MetaDataLoader
+{
+public:
+
+    void Load()
+    {
+        if (!f8::IsOnlineEnv()) {
+            if (f8::IsTestEnv()) {
+                res_path = a8::Format("/root/pub/%d/%d/conf_test/game%d/gameserver.test/res%d/",
+                                      {
+                                       GAME_ID,
+                                       App::Instance()->instance_id,
+                                       GAME_ID,
+                                       App::Instance()->instance_id
+                                      });
+            } else {
+                res_path = a8::Format("/root/pub/%d/%d/conf_test/game%d/gameserver.dev/res%d/",
+                                      {
+                                       GAME_ID,
+                                       App::Instance()->instance_id,
+                                       GAME_ID,
+                                       App::Instance()->instance_id
+                                      });
+            }
+        } else {
+            res_path = "../res/";
+        }
+        Check();
+    }
+
+private:
+
+    void Check()
+    {
+    }
+
+    void BindToMetaData()
+    {
+    }
+
+private:
+    std::string res_path;
+};
+
+void MetaMgr::Init()
+{
+    loader_ = new MetaDataLoader();
+    loader_->Load();
+}
+
+void MetaMgr::UnInit()
+{
+    delete loader_;
+    loader_ = nullptr;
+}
+
+void MetaMgr::Reload()
+{
+    delete loader_;
+    loader_ = nullptr;
+
+    loader_ = new MetaDataLoader();
+    loader_->Load();
+}
diff --git a/server/rankserver/metamgr.h b/server/rankserver/metamgr.h
new file mode 100644
index 0000000..faa0fab
--- /dev/null
+++ b/server/rankserver/metamgr.h
@@ -0,0 +1,23 @@
+#pragma once
+
+#include "metadata.h"
+
+class MetaDataLoader;
+class MetaMgr : public a8::Singleton<MetaMgr>
+{
+
+ private:
+    MetaMgr() {};
+    friend class a8::Singleton<MetaMgr>;
+
+ public:
+
+    void Init();
+    void UnInit();
+    void Reload();
+
+ private:
+    MetaDataLoader* loader_ = nullptr;
+
+    friend class MetaDataLoader;
+};