diff --git a/component/soc/realtek/8711b/cmsis/device/app_start.c b/component/soc/realtek/8711b/cmsis/device/app_start.c
index bb762f4..f2d2a38 100644
--- a/component/soc/realtek/8711b/cmsis/device/app_start.c
+++ b/component/soc/realtek/8711b/cmsis/device/app_start.c
@@ -74,7 +74,7 @@ void APP_InitTrace(void)
 }
 
 //default main
-_WEAK void main(void)
+_WEAK void _main(void)
 {
 #if CONFIG_SOC_PS_MODULE	
 	pmu_sysactive_timer_init();