diff --git a/.vscode/settings.json b/.vscode/settings.json
index 47a014f..6a6f9c2 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -4,7 +4,8 @@
         "fsm_protected.h": "c",
         "keyfsm.h": "c",
         "fsm_public.h": "c",
-        "stdio.h": "c"
+        "stdio.h": "c",
+        "assert.h": "c"
     },
     "files.encoding": "utf8"
 }
\ No newline at end of file
diff --git a/FSM_OOP/baseFSM/FSM_protected.h b/FSM_OOP/baseFSM/FSM_protected.h
index d893684..b63cb20 100644
--- a/FSM_OOP/baseFSM/FSM_protected.h
+++ b/FSM_OOP/baseFSM/FSM_protected.h
@@ -3,6 +3,15 @@
 
 #include "FSM_public.h"
 
+
+#define     FSM_LOG_ON
+#ifdef          FSM_LOG_ON
+    #define     FSM_LOG(...)   printf(__VA_ARGS__)
+#else
+    #define     FSM_LOG(...)   ((void)0)
+#endif
+
+
 #define     during  during
 #define     enter   enter
 #define     exit    exit
diff --git a/FSM_OOP/usr/keyFSM.c b/FSM_OOP/usr/keyFSM.c
index 20a892d..39cd5eb 100644
--- a/FSM_OOP/usr/keyFSM.c
+++ b/FSM_OOP/usr/keyFSM.c
@@ -32,7 +32,7 @@ static void step(KeyFSM* pFSM){
 
     KeyFSMData * data = pFSM->base.data;
 
-    printf("\t信号:%d, 计数%d ", data->out, data->countDelay);
+    FSM_LOG("\t信号:%d, 计数%d ", data->out, data->countDelay);
 }
 
 static void initData(KeyFSM *pFSM){   // 必须重新实现
diff --git a/FSM_OOP/usr/keyFSM_private.h b/FSM_OOP/usr/keyFSM_private.h
index f973f3a..5594fb9 100644
--- a/FSM_OOP/usr/keyFSM_private.h
+++ b/FSM_OOP/usr/keyFSM_private.h
@@ -51,7 +51,7 @@ static void actionFcn(during, DownDebouncing)(KeyFSM *pFSM)
 {
     KeyFSMData * data = pFSM->base.data;
     data->countDelay++;
-    printf(" during开启消抖 ");
+    FSM_LOG(" during开启消抖 ");
 }
 
 
@@ -73,7 +73,7 @@ static void actionFcn(exit, Downing)(KeyFSM *pFSM)
 static void actionFcn(during, UpDebouncing)(KeyFSM *pFSM){
     KeyFSMData * data = pFSM->base.data;
     data->countDelay++;
-    printf(" during松开消抖 ");
+    FSM_LOG(" during松开消抖 ");
 }
 
 
@@ -99,7 +99,7 @@ static void actionFcn(exit, Holding)(KeyFSM *pFSM){
 static void actionFcn(during, MultiDownWaiting)(KeyFSM *pFSM){
     KeyFSMData * data = pFSM->base.data;
     data->countDelay++;
-    printf(" during多击等待 ");
+    FSM_LOG(" during多击等待 ");
 }
 
 
@@ -139,7 +139,7 @@ typedef enum _Event{
 
 static State transitionHandler(PhsicalDown)(KeyFSM *pFSM)
 {
-    printf(" 物理按键按下 ");
+    FSM_LOG(" 物理按键按下 ");
     KeyFSMData * data = pFSM->base.data;
     data->countDelay = 0;
     switch (getFSMCurState((FSM_Ptr)pFSM))
@@ -161,7 +161,7 @@ static State transitionHandler(PhsicalDown)(KeyFSM *pFSM)
 
 
     default:
-        printf("检查状态转移表设计，不应该到这里");
+        FSM_LOG("检查状态转移表设计，不应该到这里");
         assert(0);
        
     }
@@ -169,7 +169,7 @@ static State transitionHandler(PhsicalDown)(KeyFSM *pFSM)
 
 static State transitionHandler(PhsicalUp)(KeyFSM *pFSM)
 {
-    printf(" 物理按键松开 ");
+    FSM_LOG(" 物理按键松开 ");
     KeyFSMData * data = pFSM->base.data;
     data->countDelay = 0;
     switch (getFSMCurState((FSM_Ptr)pFSM))
@@ -189,14 +189,14 @@ static State transitionHandler(PhsicalUp)(KeyFSM *pFSM)
         return UpDebouncing;
 
     default:
-        printf("检查状态转移表设计，不应该到这里");
+        FSM_LOG("检查状态转移表设计，不应该到这里");
         assert(0);
 
     }
 }
 
 static State transitionHandler(DelayCount3)(KeyFSM *pFSM){
-    printf(" 延迟计数到3 ");
+    FSM_LOG(" 延迟计数到3 ");
     KeyFSMData * data = pFSM->base.data;
     data->countDelay = 0;
     switch (getFSMCurState((FSM_Ptr)pFSM))
@@ -204,14 +204,14 @@ static State transitionHandler(DelayCount3)(KeyFSM *pFSM){
     case DownDebouncing:
         data->out = Down;
         
-        printf("按键按下");
+        FSM_LOG("按键按下");
         return Downing;
 
     case UpDebouncing:
         data->out = Up;
         data->countMultiDown++;
 
-        printf("按键松开");
+        FSM_LOG("按键松开");
         return MultiDownWaiting;
 
     case MultiDownWaiting:
@@ -223,14 +223,14 @@ static State transitionHandler(DelayCount3)(KeyFSM *pFSM){
         return Waiting;
 
     default:
-        printf("检查状态转移表设计，不应该到这里");
+        FSM_LOG("检查状态转移表设计，不应该到这里");
         assert(0);
     }
 }
 
 
 static State transitionHandler(HoldCount4)(KeyFSM *pFSM){
-    printf(" 计数到2进入长按模式 ");
+    FSM_LOG(" 计数到2进入长按模式 ");
     KeyFSMData * data = pFSM->base.data;
     data->countDelay = 0;
     data->out = Hold;
@@ -240,7 +240,7 @@ static State transitionHandler(HoldCount4)(KeyFSM *pFSM){
 
 
 static State transitionHandler(MultiDown)(KeyFSM *pFSM){
-    printf(" 多击 ");
+    FSM_LOG(" 多击 ");
     KeyFSMData * data = pFSM->base.data;
     data->countDelay = 0;
 
@@ -254,11 +254,11 @@ static State transitionHandler(MultiDown)(KeyFSM *pFSM){
         break;
     
     default:
-        printf(" 到达多击次数上限了 ");
+        FSM_LOG(" 到达多击次数上限了 ");
         break;
     }
 
-    printf(" 多击%d ", data->countMultiDown+1);
+    FSM_LOG(" 多击%d ", data->countMultiDown+1);
     return MultiDowning;
 }
 
@@ -287,8 +287,8 @@ const static char *eventStr[] = {
     "HoldCount4",
 };
 static void printFSM(KeyFSM* pFSM){
-    printf("\tKeyFSM: ");
-    printf("当前状态:%s, \t\t当前事件:%s, \t\t转移：", stateStr[getFSMCurState((FSM_Ptr)pFSM)], eventStr[getFSMCurEvent((FSM_Ptr)pFSM)]);
+    FSM_LOG("\tKeyFSM: ");
+    FSM_LOG("当前状态:%s, \t\t当前事件:%s, \t\t转移：", stateStr[getFSMCurState((FSM_Ptr)pFSM)], eventStr[getFSMCurEvent((FSM_Ptr)pFSM)]);
 }