1 files changed, 5 insertions, 5 deletions
diff --git a/bsp/lpc176x/drivers/uart.c b/bsp/lpc176x/drivers/uart.c
index 231eccb10a..a32952124b 100644
--- a/bsp/lpc176x/drivers/uart.c
+++ b/bsp/lpc176x/drivers/uart.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -56,8 +56,8 @@ void UART0_IRQHandler(void)
 {
     rt_ubase_t level, iir;
     struct rt_uart_lpc *uart = &uart_device;
-	/* enter interrupt */ 
- 	rt_interrupt_enter();
+    /* enter interrupt */
+    rt_interrupt_enter();
     /* read IIR and clear it */
     iir = LPC_UART->IIR;
 
@@ -91,8 +91,8 @@ void UART0_IRQHandler(void)
     {
         iir = LPC_UART->LSR;    //oe pe fe oe read for clear interrupt
     }
-	/* leave interrupt */ 
- 	rt_interrupt_leave();
+    /* leave interrupt */
+    rt_interrupt_leave();
     return;
 }