From c72553f5429074e2c74316f81e660236fc4c2fd8 Mon Sep 17 00:00:00 2001
From: aozhiwei <aozhiwei@kingsome.cn>
Date: Wed, 4 Jan 2023 13:00:03 +0800
Subject: [PATCH] 1

---
 a8/xtimer.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/a8/xtimer.cc b/a8/xtimer.cc
index 416e06e..e3e20c6 100644
--- a/a8/xtimer.cc
+++ b/a8/xtimer.cc
@@ -236,6 +236,7 @@ namespace a8
                     timer->cb(TIMER_DELETE_EVENT, nullptr);
                 }
             }
+            timer->cb = nullptr;
             while (!list_empty(&timer->destory_handle_list)) {
                 XTimerDestoryHandleNode* node = list_first_entry(&timer->destory_handle_list,
                                                                  XTimerDestoryHandleNode,