diff --git a/components/drivers/spi/sfud/inc/sfud_cfg.h b/components/drivers/spi/sfud/inc/sfud_cfg.h
index 5dd43fa2e4..59189a9693 100644
--- a/components/drivers/spi/sfud/inc/sfud_cfg.h
+++ b/components/drivers/spi/sfud/inc/sfud_cfg.h
@@ -33,8 +33,8 @@
 
 /**
  * It will print more information on debug mode.
- * #define RT_DEBUG_SFUD  1: open debug mode */
-#if RT_DEBUG_SFUD
+ * #define RT_DEBUG_SFUD open debug mode */
+#ifdef RT_DEBUG_SFUD
 #define SFUD_DEBUG_MODE
 #endif
 
diff --git a/components/drivers/spi/spi_flash_sfud.c b/components/drivers/spi/spi_flash_sfud.c
index 6148215d38..2833f5c9a5 100644
--- a/components/drivers/spi/spi_flash_sfud.c
+++ b/components/drivers/spi/spi_flash_sfud.c
@@ -29,7 +29,7 @@
 
 #ifdef RT_USING_SFUD
 
-#if RT_DEBUG_SFUD
+#ifdef RT_DEBUG_SFUD
 #define DEBUG_TRACE         rt_kprintf("[SFUD] "); rt_kprintf
 #else
 #define DEBUG_TRACE(...)