From d10b8e988f2c97e73a4bc837b2a8a3471d8d4937 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=BB=A1=E9=89=B4=E9=9C=86=20Meco?= <920369182@qq.com>
Date: Tue, 29 Mar 2022 14:32:12 +0000
Subject: [PATCH] https://club.rt-thread.org/ask/question/434557.html

---
 .../rt-thread-nano/nano-port-keil/an0039-nano-port-keil.md    | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/rt-thread-version/rt-thread-nano/nano-port-keil/an0039-nano-port-keil.md b/rt-thread-version/rt-thread-nano/nano-port-keil/an0039-nano-port-keil.md
index 9667f33..90c5feb 100644
--- a/rt-thread-version/rt-thread-nano/nano-port-keil/an0039-nano-port-keil.md
+++ b/rt-thread-version/rt-thread-nano/nano-port-keil/an0039-nano-port-keil.md
@@ -119,7 +119,7 @@ void rt_os_tick_callback(void)
 }
 
 /* cortex-m 架构使用 SysTick_Handler() */
-SysTick_Handler()
+void SysTick_Handler()
 {
     rt_os_tick_callback();
 }
@@ -138,7 +138,7 @@ void rt_hw_board_init(void)
   SystemCoreClockUpdate(); // 对系统时钟进行更新
 
   /* 2、OS Tick 频率配置，RT_TICK_PER_SECOND = 1000 表示 1ms 触发一次中断 */
-  _SysTick_Config(SystemCoreClock / RT_TICK_PER_SECOND);
+  SysTick_Config(SystemCoreClock / RT_TICK_PER_SECOND);
 
   /* Call components board initial (use INIT_BOARD_EXPORT()) */
 #ifdef RT_USING_COMPONENTS_INIT
-- 
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