diff --git a/cpp/tglog.cc b/cpp/tglog.cc
index ae6d8bb..fc549fc 100644
--- a/cpp/tglog.cc
+++ b/cpp/tglog.cc
@@ -1,4 +1,6 @@
 #include <unistd.h>
+#include <sys/time.h>
+
 #include <thread>
 #include <mutex>
 #include <condition_variable>
@@ -25,6 +27,7 @@ namespace f8
         std::string filename_fmt;
         std::string project_name;
         bool is_poly_log = false;
+        int time_zone = 0;
 
         std::thread* save_thread = nullptr;
         volatile bool save_thread_shutdown = false;
@@ -56,6 +59,12 @@ namespace f8
         std::string GetCurrentFileName()
         {
             time_t nowtime = time(nullptr);
+            {
+                struct timeval tv;
+                struct timezone tz;
+                gettimeofday(&tv, &tz);
+                nowtime = tz.tz_minuteswest * -3600 + time_zone * 3600;
+            }
             struct tm tm_nowtime = {0};
             localtime_r(&nowtime, &tm_nowtime);
 
@@ -67,12 +76,14 @@ namespace f8
         }
     };
 
-    void TGLog::Init(const std::string& project_name, bool is_poly_log)
+    void TGLog::Init(const std::string& project_name, bool is_poly_log, int time_zone)
     {
+        time_zone_ = time_zone;
         project_name_ = project_name;
         is_poly_log_ = is_poly_log;
         impl_ = new TGLogImpl();
         impl_->filename_fmt = TGLOG_FILENAME;
+        impl_->time_zone = time_zone;
         a8::ReplaceString(impl_->filename_fmt, "$pid", a8::XValue(getpid()));
 
         impl_->project_name = project_name_;
@@ -88,8 +99,9 @@ namespace f8
         impl_ = nullptr;
     }
 
-    void TGLog::SetProjectInfo(const std::string& project_name, bool is_poly_log)
+    void TGLog::SetProjectInfo(const std::string& project_name, bool is_poly_log, int time_zone)
     {
+        time_zone_ = time_zone;
         project_name_ = project_name;
         is_poly_log_ = is_poly_log;
     }
diff --git a/cpp/tglog.h b/cpp/tglog.h
index 530b225..8e687fc 100644
--- a/cpp/tglog.h
+++ b/cpp/tglog.h
@@ -10,10 +10,10 @@ namespace f8
         friend class a8::Singleton<TGLog>;
 
     public:
-        void Init(const std::string& project_name, bool is_poly_log);
+        void Init(const std::string& project_name, bool is_poly_log, int time_zone = 8);
         void UnInit();
 
-        void SetProjectInfo(const std::string& project_name, bool is_poly_log);
+        void SetProjectInfo(const std::string& project_name, bool is_poly_log, int time_zone = 8);
         void AddTrackLog(int game_id, const std::string& accountid, unsigned long ip_saddr,
                          int logclass1, int logclass2, a8::XObject* prop);
         void AddTrackLog(int game_id, const std::string& accountid, unsigned long ip_saddr,
@@ -25,6 +25,7 @@ namespace f8
                                  const std::string& event_name, a8::XObject* prop);
 
     private:
+        int time_zone_ = 0;
         std::string project_name_;
         bool is_poly_log_ = false;
         TGLogImpl* impl_ = nullptr;