diff --git a/vscode/CMakeLists.txt b/vscode/CMakeLists.txt
index c2ab643..db5c3bf 100644
--- a/vscode/CMakeLists.txt
+++ b/vscode/CMakeLists.txt
@@ -6,7 +6,7 @@ include_directories(${PROJECT_SOURCE_DIR}/FSM_OOP/baseFSM)
 aux_source_directory(${PROJECT_SOURCE_DIR}/FSM_OOP/baseFSM  SRC_FSM_OOP)
 
 
-#set(keytest 789)
+set(keytest 789)
 # set(child_parent 789) 
 if(DEFINED keytest)
     include_directories(${PROJECT_SOURCE_DIR}/FSM_OOP/keytest)
diff --git a/vscode/FSM_OOP/keytest/keyFSM.c b/vscode/FSM_OOP/keytest/keyFSM.c
index b12e837..b8b0467 100644
--- a/vscode/FSM_OOP/keytest/keyFSM.c
+++ b/vscode/FSM_OOP/keytest/keyFSM.c
@@ -2,7 +2,7 @@
  * @Author: godcreator02 qq974980621@gmail.com
  * @Date: 2024-04-20 19:02:11
  * @LastEditors: godcreator02 qq974980621@gmail.com
- * @LastEditTime: 2024-04-23 17:15:11
+ * @LastEditTime: 2024-04-23 19:37:03
  * @FilePath: \vscode\FSM_OOP\keytest\keyFSM.c
  * @Description: 这是默认设置,请设置`customMade`, 打开koroFileHeader查看配置 进行设置: https://github.com/OBKoro1/koro1FileHeader/wiki/%E9%85%8D%E7%BD%AE
  */
@@ -14,19 +14,9 @@
 #include "keyFSM.h"
 #include "keyFSM_private.h"
 
-/* 
-    重载函数，有些是纯虚的必须重新实现，有些可以不重新实现直接用父类的
-*/
-
-static void step(KeyFSM* pFSM){
-    printFSM(pFSM);
-    _stepFSM((FSM *)pFSM);
-
-    KeyFSMData * data = pFSM->base.privateVars.data;
-
-    FSM_LOG("\t信号:%d, 计数%d ", data->out, data->countDelay);
-}
-
+/* -------------------------------------------------------------------------- */
+/*                       纯虚函数，允许调用privateVars                        */
+/* -------------------------------------------------------------------------- */
 static void initData(KeyFSM *pFSM){   // 必须重新实现
     KeyFSMData *data = (KeyFSMData *)malloc(sizeof(KeyFSMData));
     data->countDelay = 0;
@@ -34,14 +24,14 @@ static void initData(KeyFSM *pFSM){   // 必须重新实现
     data->in = Up;
     data->out = Idle;
     
-    pFSM->base.privateVars.data = data;
+    pFSM->base.data = data;
     
     pFSM->base.signals = &data->out;
 }
 
 static void initDataLoader(KeyFSM *pFSM){   // 必须重新实现
-    pFSM->base.preloader.shadowData = malloc(sizeof(KeyIn));
-    pFSM->base.preloader.size = sizeof(KeyIn);
+    pFSM->base.privateVars.preloader.shadowData = malloc(sizeof(KeyIn));
+    pFSM->base.privateVars.preloader.size = sizeof(KeyIn);
 }
 
 static void initSignals(KeyFSM *pFSM){ // 必须重新实现
@@ -85,6 +75,20 @@ static void setupHandler(FSMHandler* fcns){ // 必须重新实现
     fcns->transitionGeneralAction = (Avoid_WARNING_General_Handlers)transitionGeneralAction;
 }
 
+
+/* -------------------------------------------------------------------------- */
+/*            其他重新实现的函数，父类已有实现，实现多态                       */
+/* -------------------------------------------------------------------------- */
+static void step(KeyFSM* pFSM){
+    printFSM(pFSM);
+    stepBaseFSM(BASE_FSM(pFSM));
+
+    KeyFSMData * data = pFSM->base.data;
+
+    FSM_LOG("\t信号:%d, 计数%d ", data->out, data->countDelay);
+}
+
+
 /* 
     唯一外界调用的函数
  */
@@ -95,9 +99,8 @@ KeyFSM *createKeyFSM(){
     pFSM = (KeyFSM *)newBaseFSM(Count_State, DEFAULT_STATE);
 
 #ifndef DSP28377
-    pFSM->base.pureVtbl.step = (Avoid_WARNING_Overrider_Fcns)step;
+    pFSM->base.step = (Avoid_WARNING_Overrider_Fcns)step;
 #endif
-    
     pFSM->base.pureVtbl.setupHandler = (Avoid_WARNING_void_fcns)setupHandler;
     pFSM->base.pureVtbl.initData = (Avoid_WARNING_Overrider_Fcns)initData;
     pFSM->base.pureVtbl.initDataLoader = (Avoid_WARNING_Overrider_Fcns)initDataLoader;
diff --git a/vscode/FSM_OOP/keytest/keyFSM_private.h b/vscode/FSM_OOP/keytest/keyFSM_private.h
index 516ee20..48122bb 100644
--- a/vscode/FSM_OOP/keytest/keyFSM_private.h
+++ b/vscode/FSM_OOP/keytest/keyFSM_private.h
@@ -263,7 +263,7 @@ const static char *stateStr[] = {
     };
 
 static void printFSM(KeyFSM* pFSM){
-    KeyFSMData* data = pFSM->base.privateVars.data;
+    KeyFSMData* data = pFSM->base.data;
     FSM_LOG("KeyFSM: ");
     FSM_LOG("%d, 当前状态:%s, \t上一个下次事件:%s \t转移：",  data->countDelay, stateStr[getFSMCurState((FSM *)pFSM)], stateStr[getFSMNextState((FSM *)pFSM)]);
 }