diff --git a/Core/Src/stm32_lpm_if.c b/Core/Src/stm32_lpm_if.c
index 2b3bfd4..011fc57 100644
--- a/Core/Src/stm32_lpm_if.c
+++ b/Core/Src/stm32_lpm_if.c
@@ -94,10 +94,11 @@ void PWR_EnterStopMode(void)
   /* USER CODE BEGIN EnterStopMode_1 */
 
   /* USER CODE END EnterStopMode_1 */
+	HAL_GPIO_DeInit(GPIOA,GPIO_PIN_0);
 	HAL_GPIO_WritePin(GPIOB, GPIO_PIN_All, GPIO_PIN_RESET);
 	//HAL_GPIO_WritePin(GPIOC, GPIO_PIN_All, GPIO_PIN_RESET);
 	HAL_GPIO_WritePin(GPIOA, GPIO_PIN_All, GPIO_PIN_RESET);
-	HAL_GPIO_DeInit(GPIOA,GPIO_PIN_0);
+
   HAL_SuspendTick();
   /* Clear Status Flag before entering STOP/STANDBY Mode */
   LL_PWR_ClearFlag_C1STOP_C1STB();
diff --git a/LoRaWAN/App/lora_app.c b/LoRaWAN/App/lora_app.c
index e584b2d..41608db 100644
--- a/LoRaWAN/App/lora_app.c
+++ b/LoRaWAN/App/lora_app.c
@@ -558,6 +558,7 @@ static void SendTxData(void)
   sensor_t sensor_data;
   UTIL_TIMER_Time_t nextTxIn = 0;
 
+  	HAL_Delay(10);		//eliminate bouncing back 5ms
 	door_status = HAL_GPIO_ReadPin(GPIOA,GPIO_PIN_0);
 	door_changed_flag = 0;
 	if (door_status != door_previous_status)
@@ -701,11 +702,11 @@ static void OnTxTimerEvent(void *context)
 	}
 #endif
 	MX_GPIO_Init();
-	door_status = HAL_GPIO_ReadPin(GPIOA,GPIO_PIN_0);
+	//door_status = HAL_GPIO_ReadPin(GPIOA,GPIO_PIN_0);
 	//door_changed_flag = 0;
 	//if (door_status != door_previous_status)
 	{
-		door_previous_status = door_status;
+		//door_previous_status = door_status;
 
 
     UTIL_SEQ_SetTask((1 << CFG_SEQ_Task_LoRaSendOnTxTimerOrButtonEvent), CFG_SEQ_Prio_0);