From 9da1153554c3f6cdc19230c83dabc727e5fa13e2 Mon Sep 17 00:00:00 2001
From: Your Name <your.email@example.com>
Date: Mon, 2 Feb 2026 15:39:01 +0800
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---
 frontend/src/views/TaskHall.vue | 43 ++++++++++++++++++++++++++++++++-
 1 file changed, 42 insertions(+), 1 deletion(-)

diff --git a/frontend/src/views/TaskHall.vue b/frontend/src/views/TaskHall.vue
index 3f62ce2..efeed63 100644
--- a/frontend/src/views/TaskHall.vue
+++ b/frontend/src/views/TaskHall.vue
@@ -103,7 +103,7 @@
 
         <div v-else class="task-grid">
           <div
-            v-for="(task, index) in taskList"
+            v-for="(task, index) in displayTaskList"
             :key="task.id"
             :class="['task-card', 'chart-card', { 'blind-box-card': showBlindBox }]"
             @click="handleTaskClick(task)"
@@ -2672,6 +2672,8 @@ const selectedTask = ref<TaskOrSubTask | null>(null)
 
 // 盲盒模式相关
 const blindBoxMode = ref(false)
+const blindBoxSeed = ref(Date.now()) // 用于混淆任务顺序的随机种子
+
 const isDeptLeader = computed(() => {
   const userInfo = JSON.parse(localStorage.getItem('userInfo') || '{}')
   // 部门负责人或管理员不受盲盒模式影响
@@ -2683,6 +2685,34 @@ const showBlindBox = computed(() => {
   return blindBoxMode.value && !isDeptLeader.value
 })
 
+// 基于种子的伪随机数生成器（确保同一种子产生相同的随机序列）
+const seededRandom = (seed: number) => {
+  const x = Math.sin(seed) * 10000
+  return x - Math.floor(x)
+}
+
+// 使用Fisher-Yates算法基于种子打乱数组
+const shuffleWithSeed = <T>(array: T[], seed: number): T[] => {
+  const result = [...array]
+  let currentSeed = seed
+  for (let i = result.length - 1; i > 0; i--) {
+    currentSeed = currentSeed * 1103515245 + 12345
+    const j = Math.floor(Math.abs(currentSeed % (i + 1)))
+    ;[result[i], result[j]] = [result[j], result[i]]
+  }
+  return result
+}
+
+// 盲盒模式下混淆后的任务列表（与部门负责人看到的顺序不同）
+const displayTaskList = computed(() => {
+  if (showBlindBox.value && taskList.value.length > 0) {
+    // 盲盒模式：使用种子打乱顺序
+    return shuffleWithSeed(taskList.value, blindBoxSeed.value)
+  }
+  // 正常模式：原始顺序
+  return taskList.value
+})
+
 // 加载盲盒模式配置
 const loadBlindBoxMode = async () => {
   try {
@@ -2691,6 +2721,10 @@ const loadBlindBoxMode = async () => {
       const config = response.data.find((c: any) => c.configKey === 'task.blind_box_mode')
       if (config) {
         blindBoxMode.value = config.configValue === 'true'
+        // 每次加载盲盒配置时更新随机种子，确保每次刷新页面顺序都不同
+        if (blindBoxMode.value) {
+          blindBoxSeed.value = Date.now()
+        }
         console.log('盲盒模式:', blindBoxMode.value, '是否显示盲盒:', showBlindBox.value)
       }
     }
@@ -3404,6 +3438,13 @@ let allAvailableTasks: any[] = []
 // 任务大厅对所有用户开放（包括需求部门和一级需求部门）
 const loadTasks = async (forceReload = false) => {
   loading.value = true
+  
+  // 🔀 每次加载任务时更新盲盒随机种子，确保顺序每次都不同
+  // 防止有人根据排队序号分辨任务
+  if (blindBoxMode.value) {
+    blindBoxSeed.value = Date.now() + Math.random() * 1000
+  }
+  
   try {
     // 获取用户部门类型（使用部门视角切换后的有效类型）
     const userInfo = JSON.parse(localStorage.getItem('userInfo') || '{}')