diff --git a/configs/spark/src/stm32_appinit.c b/configs/spark/src/stm32_appinit.c
index 529afacf1e..9b2d965a31 100644
--- a/configs/spark/src/stm32_appinit.c
+++ b/configs/spark/src/stm32_appinit.c
@@ -299,4 +299,3 @@ int board_app_initialize(void)
   g_app_initialzed = true;
   return OK;
 }
-xxx
\ No newline at end of file