From 9cd7eb249948d1b44c0324276fb2f37a5a8461d4 Mon Sep 17 00:00:00 2001
From: coffee <catheadcoffee@gmail.com>
Date: Tue, 21 Apr 2026 21:32:08 +0800
Subject: [PATCH] =?UTF-8?q?1.=20=E6=9B=B4=E6=96=B0=E5=AE=9A=E6=97=B6?=
 =?UTF-8?q?=E5=99=A8=E9=81=BF=E5=85=8D=E9=87=8D=E5=85=A5?=
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---
 include/HTimer.h | 1 +
 src/HTimer.c     | 9 ++++++++-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/include/HTimer.h b/include/HTimer.h
index fc8c434..78b7b07 100644
--- a/include/HTimer.h
+++ b/include/HTimer.h
@@ -63,6 +63,7 @@ typedef struct TimeRegisterInfo {
     HTimerLen_t heapSize;       ///< 堆当前大小
     HTimerLen_t len;            ///< 定时器个数
     volatile uint8_t schedu;    ///< 需要重新调度 (原子操作)
+    uint8_t run : 1;            ///< 运行中
 } TimeRegisterInfo;
 
 ///< 初始化毫秒定时器, 需要传递获取毫秒的函数
diff --git a/src/HTimer.c b/src/HTimer.c
index 0bc8d23..0617cc8 100644
--- a/src/HTimer.c
+++ b/src/HTimer.c
@@ -15,7 +15,7 @@
 
 // ==================== 原子操作支持 ====================
 #if defined(__GNUC__) || defined(__clang__)
-    // STM32/GD32/ESP32 都支持 GCC 扩展
+    // 支持 GCC 扩展
     // 使用 __atomic_* 系列函数，提供明确的内存序语义
     static inline int htimer_cas(volatile uint8_t *ptr, uint8_t oldv, uint8_t newv) {
         return __atomic_compare_exchange_n(ptr, &oldv, newv, 0, __ATOMIC_ACQ_REL, __ATOMIC_ACQUIRE);
@@ -334,6 +334,11 @@ void HTimerRun(uint8_t id)
     }
 
     TimeRegisterInfo *reg = &sInfo.info[id];
+    if (reg->run) {
+        return ;
+    }
+
+    reg->run = 1;
     uint32_t now = GetCurrentMs();
 
     // schedu 阶段：只有 HTimerRun 修改堆，单线程安全
@@ -415,6 +420,8 @@ void HTimerRun(uint8_t id)
             HTIMER_ATOMIC_OR(&reg->schedu, 1);
         }
     }
+
+    reg->run = 0;
 }
 
 HTimer_t HTimerAdd(uint8_t id, uint32_t ms, HTimerCallType call, eHTimerFlags flags)