diff --git a/Src/main.c b/Src/main.c
index fc5ba31..f68c786 100644
--- a/Src/main.c
+++ b/Src/main.c
@@ -70,7 +70,7 @@ static void MX_NVIC_Init(void);
 int main(void)
 {
   /* USER CODE BEGIN 1 */
-
+  int a = 0;
   /* USER CODE END 1 */
 
   /* MCU Configuration--------------------------------------------------------*/