diff --git a/platform/vendor_bsp/LN/ln882x/include/kernel/TencentOS_Adapter/TencentOS_cpuusage.h b/platform/vendor_bsp/LN/ln882x/include/kernel/TencentOS_Adapter/TencentOS_cpuusage.h
index 46e8d767..cc7f2adc 100644
--- a/platform/vendor_bsp/LN/ln882x/include/kernel/TencentOS_Adapter/TencentOS_cpuusage.h
+++ b/platform/vendor_bsp/LN/ln882x/include/kernel/TencentOS_Adapter/TencentOS_cpuusage.h
@@ -1,5 +1,5 @@
-#ifndef _FREERTOS_CPUUSAGE_H__
-#define _FREERTOS_CPUUSAGE_H__
+#ifndef _TENCENTOS_CPUUSAGE_H__
+#define _TENCENTOS_CPUUSAGE_H__
 
 #include "./TencentOS_Adapter/tos_common.h"