diff --git a/cpp/btmgr.cc b/cpp/btmgr.cc
new file mode 100644
index 0000000..83da4cc
--- /dev/null
+++ b/cpp/btmgr.cc
@@ -0,0 +1,43 @@
+#include "precompile.h"
+
+#include "behaviac/behaviac.h"
+#include "btmgr.h"
+
+namespace f8
+{
+    void BtMgr::Init()
+    {
+	behaviac::Workspace::GetInstance()->SetFileFormat(behaviac::Workspace::EFF_xml);
+    }
+
+    void BtMgr::UnInit()
+    {
+
+    }
+
+    void BtMgr::SetFilePath(const std::string& file_path)
+    {
+
+    }
+
+    bool BtMgr::BtLoad(behaviac::Agent* agent, const char* relative_path, bool force)
+    {
+
+    }
+
+    void BtMgr::BtSetCurrent(behaviac::Agent* agent, const char* relative_path)
+    {
+
+    }
+
+    void BtMgr::BtExec(behaviac::Agent* agent)
+    {
+
+    }
+
+    void BtMgr::BtDestory(behaviac::Agent* agent)
+    {
+
+    }
+
+}
diff --git a/cpp/btmgr.h b/cpp/btmgr.h
new file mode 100644
index 0000000..68c3e86
--- /dev/null
+++ b/cpp/btmgr.h
@@ -0,0 +1,27 @@
+#pragma once
+
+namespace behaviac
+{
+    class Agent;
+}
+
+namespace f8
+{
+    class BtMgr : public a8::Singleton<BtMgr>
+    {
+    private:
+        BtMgr() {};
+        friend class a8::Singleton<BtMgr>;
+
+    public:
+        void Init();
+        void UnInit();
+
+        void SetFilePath(const std::string& file_path);
+
+        bool BtLoad(behaviac::Agent* agent, const char* relative_path, bool force = false);
+        void BtSetCurrent(behaviac::Agent* agent, const char* relative_path);
+        void BtExec(behaviac::Agent* agent);
+        void BtDestory(behaviac::Agent* agent);
+    };
+}