diff --git a/LoRaWAN/App/lora_app.c b/LoRaWAN/App/lora_app.c
index 0a5f6f3..25efab1 100644
--- a/LoRaWAN/App/lora_app.c
+++ b/LoRaWAN/App/lora_app.c
@@ -76,7 +76,7 @@ extern volatile uint8_t sts_hall3_read, sts_hall4_read;
 extern volatile uint8_t sts_pir_state;
 extern volatile uint8_t last_sts_hall1_read, last_sts_hall2_read, last_sts_hall3_read, last_sts_hall4_read;
 volatile uint8_t sts_PIR_read = 0;
-volatile bool locklow = true;
+volatile bool locklow = false;
 volatile uint32_t lowin=0;
 volatile bool takelowTime;
 /* USER CODE END EV */
@@ -699,7 +699,7 @@ void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
       UTIL_SEQ_SetTask((1 << CFG_SEQ_Task_LoRaStoreContextEvent), CFG_SEQ_Prio_0);
       break;
 #endif
-#if 0
+#if 1
     case PIR_Pin:
     	sts_pir_state = PIR_STATE;
     	printf("\r\n pir state =%u \r\n", sts_pir_state);
@@ -723,8 +723,8 @@ void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
     			printf("\r\n lowin start at: %u \r\n", lowin);
     			takelowTime = false;
     		}
-    		printf("\r\n low duration=%d \r\n", check_time-lowin);
-    		if ((!locklow && (check_time - lowin >= 5000))) {
+    		//printf("\r\n low duration=%d \r\n", check_time-lowin);
+    		if ((!locklow && (check_time - lowin >= 50))) {
     			printf("\r\n low duration=%d \r\n", check_time-lowin);
     			sts_PIR_read = 0;
     			locklow = true;
diff --git a/STM32CubeIDE/Release/WLE5CC_NODE_STS.bin b/STM32CubeIDE/Release/WLE5CC_NODE_STS.bin
index 1aac123..f152181 100644
Binary files a/STM32CubeIDE/Release/WLE5CC_NODE_STS.bin and b/STM32CubeIDE/Release/WLE5CC_NODE_STS.bin differ
diff --git a/STM32CubeIDE/Release/WLE5CC_NODE_STS.elf b/STM32CubeIDE/Release/WLE5CC_NODE_STS.elf
index fbe6da3..229e673 100644
Binary files a/STM32CubeIDE/Release/WLE5CC_NODE_STS.elf and b/STM32CubeIDE/Release/WLE5CC_NODE_STS.elf differ