diff --git a/src/cppcommon/logger.cpp b/src/cppcommon/logger.cpp
index 8a8fdf6..90c44d6 100644
--- a/src/cppcommon/logger.cpp
+++ b/src/cppcommon/logger.cpp
@@ -5,16 +5,16 @@
 #include "logger.h"
 namespace CPPCOMMON
 {
-	const char * Logger::_logFormat =  "%s [File:%s] [Line:%d] [%s] Msg:%s\n";
+	char Logger::_cStrBuf[CSTR_BUFFER_SIZE];
+    const char * Logger::_logLevel[LEVEL_ARRAY_SIZE] = {
+		"DEBUG","INFO","WARN","ERROR","FATAL"
+	};
+
+	const char * Logger::_logFormat = "%s [File:%s] [Line:%d] [%s] Msg:%s\n";
 	const char * Logger::_timeFormat = "%Y-%m-%d %H:%M:%S";
+	time_t Logger::_timeNow;
 	Logger::Logger()
 	{
-		_logLevel[LL_DEBUG] = "DEBUG";
-		_logLevel[LL_INFO] = "INFO";
-		_logLevel[LL_WARN] = "WARN";
-		_logLevel[LL_ERROR] = "ERROR";
-		_logLevel[LL_FATAL] = "FATAL";
-
 	}
 
 	Logger::~Logger()
@@ -52,10 +52,6 @@ namespace CPPCOMMON
 		return true;
 	}
 }
-namespace CPPCOMMON
-{
-	Logger loggerSingleTon;
-}
 
 
 #ifdef LOGGER_UT
diff --git a/src/cppcommon/logger.h b/src/cppcommon/logger.h
index b55819c..f868fdd 100644
--- a/src/cppcommon/logger.h
+++ b/src/cppcommon/logger.h
@@ -23,11 +23,11 @@
 #define CSTR_BUFFER_SIZE 1024
 
 
-#define LogDebug(msg) loggerSingleTon.Logging(LL_DEBUG, msg, __FILE__, __LINE__)
-#define LogInfo(msg) loggerSingleTon.Logging(LL_INFO, msg, __FILE__, __LINE__)
-#define LogWarn(msg) loggerSingleTon.Logging(LL_WARN, msg, __FILE__, __LINE__)
-#define LogError(msg) loggerSingleTon.Logging(LL_ERROR, msg, __FILE__, __LINE__)
-#define LogFatal(msg) loggerSingleTon.Logging(LL_FATAL, msg, __FILE__, __LINE__)
+#define LogDebug(msg) Logger::Logging(LL_DEBUG, msg, __FILE__, __LINE__)
+#define LogInfo(msg) Logger::Logging(LL_INFO, msg, __FILE__, __LINE__)
+#define LogWarn(msg) Logger::Logging(LL_WARN, msg, __FILE__, __LINE__)
+#define LogError(msg) Logger::Logging(LL_ERROR, msg, __FILE__, __LINE__)
+#define LogFatal(msg) Logger::Logging(LL_FATAL, msg, __FILE__, __LINE__)
 
 
 
@@ -40,20 +40,15 @@ namespace CPPCOMMON
 			Logger();
 			~Logger();
 		public:
-			bool Logging(uint level, const string& msg, const char* fileName, int lineNo);
-			bool Logging(uint level, const char * msg, const char* fileName, int lineNo);
+			static bool Logging(uint level, const string& msg, const char* fileName, int lineNo);
+			static bool Logging(uint level, const char * msg, const char* fileName, int lineNo);
 		private:
-			char _cStrBuf[CSTR_BUFFER_SIZE];
-			const char * _logLevel[LEVEL_ARRAY_SIZE];
+			static char _cStrBuf[CSTR_BUFFER_SIZE];
+			static const char * _logLevel[LEVEL_ARRAY_SIZE];
 			static const char * _logFormat;
 			static const char * _timeFormat;
-			time_t _timeNow;
+			static time_t _timeNow;
 	};
 }
 
-namespace CPPCOMMON
-{
-	extern Logger loggerSingleTon;
-}
-
 #endif