diff --git a/board/TencentOS_tiny_EVB_LX/BSP/LoRaWAN/lora_demo.h b/board/TencentOS_tiny_EVB_LX/BSP/LoRaWAN/lora_demo.h
index ccc30179..fc0cf1e3 100644
--- a/board/TencentOS_tiny_EVB_LX/BSP/LoRaWAN/lora_demo.h
+++ b/board/TencentOS_tiny_EVB_LX/BSP/LoRaWAN/lora_demo.h
@@ -1,5 +1,5 @@
-#ifndef __APP_DEMO_H__
-#define __APP_DEMO_H__
+#ifndef __LORA_DEMO_H__
+#define __LORA_DEMO_H__
 
 #include "mcu_init.h"
 #include "tos_at.h"
@@ -20,5 +20,5 @@ void application_entry(void *arg);
 }
 #endif
 
-#endif /* __APP_DEMO_H__ */
+#endif /* __LORA_DEMO_H__ */
 
diff --git a/examples/sensor_e53_ia1_e2e_demo/e53_ia1_e2e_demo.h b/examples/sensor_e53_ia1_e2e_demo/e53_ia1_e2e_demo.h
index 21f28fb4..06c4727a 100644
--- a/examples/sensor_e53_ia1_e2e_demo/e53_ia1_e2e_demo.h
+++ b/examples/sensor_e53_ia1_e2e_demo/e53_ia1_e2e_demo.h
@@ -1,5 +1,5 @@
-#ifndef __MQTT_DEMO_H__
-#define __MQTT_DEMO_H__
+#ifndef _E53_IA1_E2E_DEMO_H_
+#define _E53_IA1_E2E_DEMO_H_
 
 #include "mcu_init.h"
 #include "tos_at.h"
@@ -12,5 +12,5 @@
 extern void application_entry(void *arg);
 extern void motor_control(char mode);
 extern void light_control(char mode);
-#endif /* __APP_DEMO_H__ */
 
+#endif /* _E53_IA1_E2E_DEMO_H_ */