diff --git a/bsp/stm32/stm32f767-atk-apollo/rtconfig.py b/bsp/stm32/stm32f767-atk-apollo/rtconfig.py
index b8a5eb5c19..bc4112597c 100644
--- a/bsp/stm32/stm32f767-atk-apollo/rtconfig.py
+++ b/bsp/stm32/stm32f767-atk-apollo/rtconfig.py
@@ -147,4 +147,4 @@ def dist_handle(BSP_ROOT):
     cwd_path = os.getcwd()
     sys.path.append(os.path.join(os.path.dirname(BSP_ROOT), 'tools'))
     from sdk_dist import dist_do_building
-    dist_do_building(BSP_ROOT)
\ No newline at end of file
+    dist_do_building(BSP_ROOT)
diff --git a/bsp/stm32/stm32f767-fire-challenger/rtconfig.py b/bsp/stm32/stm32f767-fire-challenger/rtconfig.py
index ecd0d1a055..c83a51a09d 100644
--- a/bsp/stm32/stm32f767-fire-challenger/rtconfig.py
+++ b/bsp/stm32/stm32f767-fire-challenger/rtconfig.py
@@ -147,4 +147,4 @@ def dist_handle(BSP_ROOT):
     cwd_path = os.getcwd()
     sys.path.append(os.path.join(os.path.dirname(BSP_ROOT), 'tools'))
     from sdk_dist import dist_do_building
-    dist_do_building(BSP_ROOT)
\ No newline at end of file
+    dist_do_building(BSP_ROOT)