From 513569e50d89811a72f4ae6602dd8a27db07c215 Mon Sep 17 00:00:00 2001
From: dlaren <dla.ren@outlook.com>
Date: Thu, 14 Aug 2025 16:07:51 +0800
Subject: [PATCH] =?UTF-8?q?=E3=80=90=E6=96=B0=E5=A2=9E=E3=80=91=20?=
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---
 .../pc/exam/pp/module/judgement/service/TaskManager.java     | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/exam-module-judgement/exam-module-judgement-biz/src/main/java/pc/exam/pp/module/judgement/service/TaskManager.java b/exam-module-judgement/exam-module-judgement-biz/src/main/java/pc/exam/pp/module/judgement/service/TaskManager.java
index b6e891b6..013ee6e3 100644
--- a/exam-module-judgement/exam-module-judgement-biz/src/main/java/pc/exam/pp/module/judgement/service/TaskManager.java
+++ b/exam-module-judgement/exam-module-judgement-biz/src/main/java/pc/exam/pp/module/judgement/service/TaskManager.java
@@ -28,6 +28,11 @@ public class TaskManager {
 
     /** 开始任务（每秒执行一次） */
     public void startTask(StuInTheExam stuInTheExam, StuTheExamInfo stuTheExamInfo, String token, AtomicInteger countdown, AtomicInteger counter) {
+        // 判断 token 的线程是否存在，存在则不进行任何动作
+        if (tasks.containsKey(token)) {
+            log.info("任务 {} 已存在，未重复启动", token);
+            return;
+        }
         tasks.computeIfAbsent(token, k -> {
             Runnable task = safe(() -> {
                 int current = counter.incrementAndGet();