From 7795b72eb61daf931fb1bbd3145cb6a631f02dc4 Mon Sep 17 00:00:00 2001
From: 423A35C7 <609514299@qq.com>
Date: Sun, 24 Mar 2024 22:21:23 +0800
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---
 labcodes_answer/lab1_result/kern/trap/trap.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/labcodes_answer/lab1_result/kern/trap/trap.c b/labcodes_answer/lab1_result/kern/trap/trap.c
index 48ff5c4..a3099ee 100644
--- a/labcodes_answer/lab1_result/kern/trap/trap.c
+++ b/labcodes_answer/lab1_result/kern/trap/trap.c
@@ -225,6 +225,7 @@ trap_dispatch(struct trapframe *tf) {
             mode = COUNTDOWN;
             cprintf(MSG_COUNTDOWN_START);
             state = WAITING_FOR_INPUT;
+            milliseconds = 0;
             break;
         case 's':
         case 'c':