diff --git a/bsp/hc32/ev_hc32f460_lqfp100_v2/board/Kconfig b/bsp/hc32/ev_hc32f460_lqfp100_v2/board/Kconfig
index 05bc2ed6755af28b1e44a3495ece8f7256b32d43..aaa0b7648a709744373445b610a766b153eb22fa 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