From 9e14cf0d29c681cf16d320df487bcae57b7e24db Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=9B=B6=E4=B8=AD=E6=96=AD=E5=BB=B6=E8=BF=9F=E7=9A=84RTOS?=
 <cosyos@139.com>
Date: Thu, 6 Aug 2026 16:26:09 +0000
Subject: [PATCH] update System/os_handler.c.
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Signed-off-by: 零中断延迟的RTOS <cosyos@139.com>
---
 System/os_handler.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/System/os_handler.c b/System/os_handler.c
index 878009f0..637a4293 100644
--- a/System/os_handler.c
+++ b/System/os_handler.c
@@ -4,7 +4,7 @@
  * @brief    tCosyTick_Handler and sPendSV_Handler
  * @author   迟凯峰
  * @version  v3.0.4
- * @date     2026.08.06
+ * @date     2026.08.07
  ******************************************************************************/
 
 #include "os_var.h"
@@ -525,7 +525,7 @@ __IAR_WEAK s_u8_t sPendSV_Handler(void) MCUCFG_OSIT_ATTRIBUTE
 	
 	/* 每监控（每PendSV假定切换任务）*/
 	#if (SYSCFG_DEBUGGING == __ENABLED__)
-	if(true){
+	if(s_task_current != OS_NULL){
 		m_stacklen_t len = mTaskStack_Check0();
 		if(s_task_current->stacklen_max < len){
 			s_task_current->stacklen_max = len;