diff --git a/Debug.cpp b/Debug.cpp
index ef1a0af5..fb0d8086 100644
--- a/Debug.cpp
+++ b/Debug.cpp
@@ -1,11 +1,11 @@
 #include "Sys.h"
 // 仅用于调试使用的一些函数实现，RTM不需要
 
-#define MEM_DEBUG 1
+#define MEM_DEBUG DEBUG
 #if MEM_DEBUG
 	#define mem_printf debug_printf
 #else
-	__inline void mem_printf( const char *format, ... ) {}
+	#define mem_printf(format, ...)
 #endif
 
 extern uint __heap_base;
diff --git a/Flash.cpp b/Flash.cpp
index af1f1427..6879e579 100644
--- a/Flash.cpp
+++ b/Flash.cpp
@@ -1,7 +1,7 @@
 #include "Flash.h"
 #include <stdlib.h>
 
-#define FLASH_DEBUG 1
+#define FLASH_DEBUG DEBUG
 
 //static const uint STM32_FLASH_KEY1 = 0x45670123;
 //static const uint STM32_FLASH_KEY2 = 0xcdef89ab;
diff --git a/Sys.cpp b/Sys.cpp
index 8aa615cd..b187c3f0 100644
--- a/Sys.cpp
+++ b/Sys.cpp
@@ -270,10 +270,10 @@ typedef struct
 
 void TSys::ShowInfo()
 {
+#if DEBUG
 	// 刚刚初始化完成的时间
 	ulong initedTime = Time.Current();
 
-#if DEBUG
 	byte* ver = (byte*)&Version;
 	debug_printf("%s::%s Code:%04X ", Company, Name, Code);
 	debug_printf("Ver:%x.%x Build:%s\r\n", *ver++, *ver++, BuildTime);
diff --git a/Sys.h b/Sys.h
index 3d279c7e..1ff7f772 100644
--- a/Sys.h
+++ b/Sys.h
@@ -17,7 +17,7 @@ extern "C"
 
 #else
 
-__inline void debug_printf( const char *format, ... ) {}
+#define debug_printf(format, ...)
 
 #endif
 }
diff --git a/TinyNet/TinyMessage.cpp b/TinyNet/TinyMessage.cpp
index 95c4b56d..6bbc600f 100644
--- a/TinyNet/TinyMessage.cpp
+++ b/TinyNet/TinyMessage.cpp
@@ -7,7 +7,7 @@
 #if MSG_DEBUG
 	#define msg_printf debug_printf
 #else
-	__inline void msg_printf( const char *format, ... ) {}
+	#define msg_printf(format, ...)
 #endif
 
 void SendTask(void* param);
@@ -585,6 +585,7 @@ void StatTask(void* param)
 // 显示统计信息
 void TinyController::ShowStat()
 {
+#if MSG_DEBUG
 	static uint lastSend = 0;
 	static uint lastReceive = 0;
 
@@ -606,6 +607,7 @@ void TinyController::ShowStat()
 	if(Last.Msg + Total.Msg > 0)
 		retry = (Last.Send + tsend) * 100 / (Last.Msg + Total.Msg);
 	msg_printf("Tiny::State 成功=%d%% 平均=%dus 速度=%d Byte/s 重发=%d.%02d 收发=%d/%d \r\n", rate, cost, speed, retry/100, retry%100, Last.Receive + Total.Receive, Last.Msg + Total.Msg);
+#endif
 }
 
 void MessageNode::SetMessage(TinyMessage& msg)