diff --git a/bsp/hc32/ev_hc32f460_lqfp100_v2/board/Kconfig b/bsp/hc32/ev_hc32f460_lqfp100_v2/board/Kconfig
index 05bc2ed675..aaa0b7648a 100644
--- a/bsp/hc32/ev_hc32f460_lqfp100_v2/board/Kconfig
+++ b/bsp/hc32/ev_hc32f460_lqfp100_v2/board/Kconfig
@@ -89,7 +89,7 @@ menu "On-chip Peripheral Drivers"
                 default n
         endif
 
-	menuconfig BSP_USING_RTC
+    menuconfig BSP_USING_RTC
         bool "Enable RTC"
         select RT_USING_RTC
         default n