diff --git a/cpp/tglog.cc b/cpp/tglog.cc
index e361537..4d412d7 100644
--- a/cpp/tglog.cc
+++ b/cpp/tglog.cc
@@ -64,8 +64,10 @@ namespace f8
         }
     };
 
-    void TGLog::Init()
+    void TGLog::Init(const std::string& project_name, bool is_poly_log)
     {
+        project_name_ = project_name;
+        is_poly_log_ = is_poly_log;
         impl_ = new TGLogImpl();
         impl_->filename_fmt = TGLOG_FILENAME;
         a8::ReplaceString(impl_->filename_fmt, "$pid", a8::XValue(getpid()));
diff --git a/cpp/tglog.h b/cpp/tglog.h
index 663560a..4aa1c40 100644
--- a/cpp/tglog.h
+++ b/cpp/tglog.h
@@ -10,7 +10,7 @@ namespace f8
         friend class a8::Singleton<TGLog>;
 
     public:
-        void Init();
+        void Init(const std::string& project_name, bool is_poly_log);
         void UnInit();
 
         void SetProjectInfo(const std::string& project_name, bool is_poly_log);