diff --git a/bsp/stm32/libraries/HAL_Drivers/drv_flash/drv_flash_f1.c b/bsp/stm32/libraries/HAL_Drivers/drv_flash/drv_flash_f1.c
index 3a385907b4fbf6d6ce8f3809da11dfbaa7267c43..19e154c8db8db9df9718c10d96362f1fa774d7a8 100644
--- a/bsp/stm32/libraries/HAL_Drivers/drv_flash/drv_flash_f1.c
+++ b/bsp/stm32/libraries/HAL_Drivers/drv_flash/drv_flash_f1.c
@@ -154,7 +154,7 @@ int stm32_flash_erase_bank(uint32_t bank, rt_uint32_t addr, size_t size)
     EraseInitStruct.TypeErase   = FLASH_TYPEERASE_PAGES;
     EraseInitStruct.PageAddress = GetPage(addr);
     EraseInitStruct.NbPages     = (size + FLASH_PAGE_SIZE - 1) / FLASH_PAGE_SIZE;
-	EraseInitStruct.Banks       = bank;
+    EraseInitStruct.Banks       = bank;
 	
     if (HAL_FLASHEx_Erase(&EraseInitStruct, &PAGEError) != HAL_OK)
     {
@@ -255,7 +255,6 @@ return result;
 #endif
 }
 
-
 #if defined(PKG_USING_FAL)
 
 static int fal_flash_read(long offset, rt_uint8_t *buf, size_t size);