fix: 修复翻牌音效播放失败问题

移除 AudioController 依赖，直接使用 Audio 对象播放新增的 checkout.mp3 音频文件，避免因 AudioController 实例化或配置问题导致的音效播放失败。
feat(admin): 添加答题前3秒倒计时动画和音效
2026-04-10 15:33:43 +08:00 · 2026-04-10 14:41:30 +08:00 · 2026-04-02 17:42:19 +08:00 · 2026-04-02 15:14:50 +08:00 · 2026-04-01 15:13:23 +08:00 · 2026-03-31 10:56:27 +08:00
15 changed files with 255 additions and 90 deletions
--- a/apps/admin/.env.dev
+++ b/apps/admin/.env.dev
@ -6,6 +6,7 @@
 # VITE_SERVICE_BASE_URL=http://api.ydzx.qyzhjy.com

 VITE_SERVICE_BASE_URL=http://api.ydzx.qyzhjy.com/
+# VITE_SERVICE_BASE_URL=http://172.16.10.130:5000

 VITE_OTHER_SERVICE_BASE_URL= `{
  "demo": "http://localhost:9528"
--- a/apps/admin/src/assets/audio/checkout.mp3
+++ b/apps/admin/src/assets/audio/checkout.mp3
--- a/apps/admin/src/assets/audio/timeout3.mp3
+++ b/apps/admin/src/assets/audio/timeout3.mp3
--- a/apps/admin/src/components/custom/user/ActionButton.vue
+++ b/apps/admin/src/components/custom/user/ActionButton.vue
@ -151,8 +151,8 @@ function handleClick() {
  }

  &.is-disabled {
-    color: #eb5e55;
-    filter: grayscale(0.5);
+    color: red;
+    // filter: grayscale(0.5);
    opacity: 0.6;
  }

--- a/apps/admin/src/components/custom/user/CompetitionLayout.vue
+++ b/apps/admin/src/components/custom/user/CompetitionLayout.vue
@ -229,12 +229,12 @@ watch(titleBgUrl, (newUrl) => {
        <!-- Header -->
        <header class="page-header flex items-center px-8 text-[30px] text-[#333333] font-bold">
          <!-- 左侧logo -->
-          <div class="flex cursor-pointer items-center" @click="handleBackHome">
+          <div class="!z-index-99 flex cursor-pointer items-center" @click="handleBackHome">
            <img :src="cqLogo" alt="重庆logo" class="h-18 w-auto">
          </div>

          <!-- 中间文字 -->
-          <div class="flex flex-1 justify-center">
+          <div class="!z-index-99 flex flex-1 justify-center">
            <img :src="qwLogo" alt="重庆logo" class="h-14 w-auto">
          </div>

@ -450,16 +450,15 @@ watch(titleBgUrl, (newUrl) => {

 .page-header {
  position: absolute;
-  top: -50px;
+  top: -58px;
  left: 0;
  width: 100%;
-  height: 180px;
+  height: 196px;
  display: flex;
  justify-content: space-between;
  padding: 20px 44px;
  font-weight: 700;
  color: $secondary-color;
-  z-index: 10;
 }

 .main-content {
--- a/apps/admin/src/layouts/modules/global-tab/index.vue
+++ b/apps/admin/src/layouts/modules/global-tab/index.vue
@ -214,7 +214,7 @@ init()
            <template #prefix>
              <SvgIcon :icon="tab.icon" :local-icon="tab.localIcon" class="inline-block align-text-bottom text-16px" />
            </template>
-            <div class="max-w-240px ellipsis-text">
+            <div class="max-w-240px ellipsis-text text-14px">
              {{ tab.label }}
            </div>
          </PageTab>
--- a/apps/admin/src/views/question-store/index.vue
+++ b/apps/admin/src/views/question-store/index.vue
@ -8,7 +8,7 @@ defineOptions({ name: 'QuestionStore' })
 const currentCategory = ref<any>(null)

 // Resize logic
-const siderWidth = ref(525)
+const siderWidth = ref(535)
 const LOCAL_STORAGE_KEY = 'question-store-sider-width'
 const minWidth = 300
 const maxWidth = 800
--- a/apps/admin/src/views/question-store/modules/CategoryTree.vue
+++ b/apps/admin/src/views/question-store/modules/CategoryTree.vue
@ -231,10 +231,10 @@ onMounted(() => {
      >
        <div class="flex items-center gap-2 overflow-hidden">
          <SvgIcon
-            icon="carbon:folder" class="flex-shrink-0 text-lg"
+            icon="carbon:folder" class="flex-shrink-0 text-sm"
            :class="selectedKey === item.Id ? 'text-primary' : 'text-gray-400'"
          />
-          <span class="truncate font-medium">{{ item.Name }} - {{ item.QuestionContent }}</span>
+          <span class="truncate text-16px font-medium">{{ item.Name }} - {{ item.QuestionContent }}</span>
        </div>

        <!-- Action Buttons -->
--- a/apps/admin/src/views/results/results-detail/index.vue
+++ b/apps/admin/src/views/results/results-detail/index.vue
@ -1,7 +1,7 @@
 <!-- eslint-disable no-console -->
 <script lang="ts" setup>
 import { Icon } from '@iconify/vue'
-import { useStorage } from '@vueuse/core'
+import { useIntervalFn, useStorage } from '@vueuse/core'
 import { NButton, NCard, NImage, NInputNumber, NTag, useMessage } from 'naive-ui'
 import { computed, onMounted, onUnmounted, ref, watch } from 'vue'
 import { useRoute } from 'vue-router'
@ -33,6 +33,9 @@ const questionInfo = ref<Api.Competition.QuestionListDetailRound>() // 题目详
 const currentQuestionDetailID = ref<number | string>('') // 当前选中的题目详情 ID

 const nowTs = ref(Date.now())
+useIntervalFn(() => {
+  nowTs.value = Date.now()
+}, 1000)
 // 判断当前activityId是正在比赛的活动
 const isActiveActivityId = computed(() => {
  if (!currentQuestion.value)
@ -254,7 +257,9 @@ async function fetchCurrentQuestion(shouldSync = true) {
      return
    }
    currentQuestion.value = data?.data || {}
+    const endTime = new Date(currentQuestion.value.EndTime)
    console.warn('current question', currentQuestion.value)
+    console.log('当前题目结束时间是：', endTime.toLocaleString())
    // 只在初始化时同步选中题，轮询时不同步
    if (shouldSync) {
      syncCurrentQuestionSelection()
@ -265,6 +270,42 @@ async function fetchCurrentQuestion(shouldSync = true) {
  }
 }

+const blobSizeCache = new Map<string, number>()
+const objectUrlCache = new Map<string, string>()
+
+async function checkAndUpdateImage(uniqueId: string, originalUrl: string, item: any) {
+  try {
+    const timestamp = Date.now()
+    const separator = originalUrl.includes('?') ? '&' : '?'
+    const fetchUrl = `${originalUrl}${separator}_t=${timestamp}`
+
+    const response = await fetch(fetchUrl)
+    if (!response.ok)
+      return
+    const blob = await response.blob()
+
+    const prevSize = blobSizeCache.get(uniqueId)
+    if (prevSize === blob.size) {
+      return // 内容大小未变，认为图片没变，不更新 src，避免闪烁
+    }
+
+    blobSizeCache.set(uniqueId, blob.size)
+    const objectUrl = URL.createObjectURL(blob)
+
+    const oldUrl = objectUrlCache.get(uniqueId)
+    if (oldUrl) {
+      URL.revokeObjectURL(oldUrl)
+    }
+    objectUrlCache.set(uniqueId, objectUrl)
+
+    // 替换为本地 Blob URL，由于数据已在内存中，更新时不会闪烁
+    item.AnswerValuePicture = objectUrl
+  }
+  catch (e) {
+    console.error('Silent image update failed:', e)
+  }
+}
+
 /**
 * 获取答题卡数据
 */
@ -366,13 +407,22 @@ async function fetchAnswerData() {
          // 强制更新图片 URL，防止缓存
          // 优先使用 ans 中的图片，如果没有则回退到 answerData 中的图片
          const imageUrl = ans.AnswerValuePicture || (parsedAnswers.length === 1 && parsedAnswers[0] === ans ? answerData.UserAnswerPicture : '')
+
+          const uniqueId = `${answerData.TeamId}-${ans.Guid}`
          let finalImageUrl = imageUrl
+
+          if (imageUrl) {
+            if (oldAns && oldAns._originalUrl === imageUrl) {
+              finalImageUrl = oldAns.AnswerValuePicture
+            }
+            else {
+              finalImageUrl = imageUrl
+            }
+          }
+
          const cleanBaseUrl = ''
          const timestamp = new Date().getTime()

-          finalImageUrl = `${finalImageUrl}?_t=${timestamp}`
-          console.log(finalImageUrl, 'finalImageUrl')
-
          // 判断是否手动干预：
          // 1. 本地存储有状态 (hasStoredStatus) 或有分数 (hasStoredScore)
          // 2. 内存中有手动标记 (oldAns._isManual)
@ -402,6 +452,7 @@ async function fetchAnswerData() {
              QuestionDetailID: answerData.QuestionDetaiID, // [新增] 注意后端字段拼写
              AnswerText: ans.AnswerText,
              AnswerValuePicture: finalImageUrl,
+              _originalUrl: imageUrl,
              _baseImgUrl: cleanBaseUrl,
              _t: timestamp, // 保存时间戳
              Score: finalScore,
@ -410,17 +461,21 @@ async function fetchAnswerData() {
              _aiStatus: aiStatus,
              _aiScore: aiScore,
            }
+            if (imageUrl) {
+              checkAndUpdateImage(uniqueId, imageUrl, resultItem)
+            }
            return resultItem
          }

          // 如果没有手动编辑
-          return {
+          const resultItem = {
            ...ans,
            TeamId: answerData.TeamId, // [新增] 注入 TeamId
            QuestionId: answerData.QuestionId, // [新增]
            QuestionDetailID: answerData.QuestionDetaiID, // [新增] 注意后端字段拼写
            AnswerText: ans.AnswerText,
            AnswerValuePicture: finalImageUrl,
+            _originalUrl: imageUrl,
            _baseImgUrl: cleanBaseUrl,
            _t: timestamp, // 保存时间戳
            Status: ans.Status,
@ -429,6 +484,10 @@ async function fetchAnswerData() {
            Score: null, // 默认 null
            _isManual: false,
          }
+          if (imageUrl) {
+            checkAndUpdateImage(uniqueId, imageUrl, resultItem)
+          }
+          return resultItem
        })

        return {
@ -466,9 +525,6 @@ async function handleNexCurrentQuestion() {
    currentQuestionId.value = currentQuestion.value?.QuestionID || currentQuestionId.value
    currentGroupId.value = currentQuestion.value?.TeamGroupID || currentGroupId.value
  }
-
-  // 更新当前时间戳，以便重新计算 canPublish
-  nowTs.value = Date.now()
 }

 function handlePublish() {
@ -617,25 +673,23 @@ function startPolling() {
  }

  fetchAnswerData() // 立即获取
-  nowTs.value = Date.now()
  pollingTimer.value = setInterval(() => {
    // 每次轮询前再次检查是否过期
    const currentEndTime = (currentQuestion.value as any)?.EndTime
    if (currentEndTime) {
-      // 增加 5s 缓冲时间
-      const endTs = new Date(currentEndTime).getTime() + 3000
+      // 增加 1s 缓冲时间
+      const endTs = new Date(currentEndTime).getTime() + 1000
      if (Date.now() > endTs) {
-        console.log('题目时间已到（含3s缓冲），停止轮询', currentEndTime)
+        console.log('题目时间已到（含1s缓冲），停止轮询', currentEndTime)
        stopPolling()
        return
      }
    }
-    nowTs.value = Date.now()

    // 轮询时同时更新当前题目信息（获取最新的 EndTime），但不触发同步
    fetchCurrentQuestion(false)
    fetchAnswerData()
-  }, 3000)
+  }, 2000)
 }

 function stopPolling() {
--- a/apps/admin/src/views/user/analysis/index.vue
+++ b/apps/admin/src/views/user/analysis/index.vue
@ -117,6 +117,42 @@ async function checkNextStep() {
  }
 }

+const blobSizeCache = new Map<string, number>()
+const objectUrlCache = new Map<string, string>()
+
+async function checkAndUpdateImage(uniqueId: string, originalUrl: string, team: any) {
+  try {
+    const timestamp = Date.now()
+    const separator = originalUrl.includes('?') ? '&' : '?'
+    const fetchUrl = `${originalUrl}${separator}_t=${timestamp}`
+
+    const response = await fetch(fetchUrl)
+    if (!response.ok)
+      return
+    const blob = await response.blob()
+
+    const prevSize = blobSizeCache.get(uniqueId)
+    if (prevSize === blob.size) {
+      return // 内容大小未变，认为图片没变，不更新 src，避免闪烁
+    }
+
+    blobSizeCache.set(uniqueId, blob.size)
+    const objectUrl = URL.createObjectURL(blob)
+
+    const oldUrl = objectUrlCache.get(uniqueId)
+    if (oldUrl) {
+      URL.revokeObjectURL(oldUrl)
+    }
+    objectUrlCache.set(uniqueId, objectUrl)
+
+    // 替换为本地 Blob URL，由于数据已在内存中，更新时不会闪烁
+    team.UserAnswerPicture = objectUrl
+  }
+  catch (e) {
+    console.error('Silent image update failed:', e)
+  }
+}
+
 /** 获取游戏现场统计结果 */
 async function fetchGetGameStatisticsData() {
  if (store.currentQuestionInfo && store.currentQuestionDetail) {
@ -129,12 +165,25 @@ async function fetchGetGameStatisticsData() {
      const { data } = await fetchGetGameStatistics(_params)
      const rawTeams = (data?.data as any[]) || []

-      // 为每个队伍的图片 URL 添加时间戳，防止缓存
      teams.value = rawTeams.map((team) => {
+        const uniqueId = team.TeamID || team.TeamName || Math.random().toString()
+        team._uniqueId = uniqueId
+
        if (team.UserAnswerPicture) {
-          const timestamp = Date.now()
-          const separator = team.UserAnswerPicture.includes('?') ? '&' : '?'
-          team.UserAnswerPicture = `${team.UserAnswerPicture}${separator}_t=${timestamp}`
+          const originalUrl = team.UserAnswerPicture
+          const oldTeam = teams.value.find(t => t._uniqueId === uniqueId)
+
+          if (oldTeam && oldTeam.UserAnswerPicture && oldTeam._originalUrl === originalUrl) {
+            // 保持原有的 URL，避免每次轮询都刷新
+            team.UserAnswerPicture = oldTeam.UserAnswerPicture
+          }
+          else {
+            team.UserAnswerPicture = originalUrl
+          }
+          team._originalUrl = originalUrl
+
+          // 后台静默获取最新图片并对比
+          checkAndUpdateImage(uniqueId, originalUrl, team)
        }
        return team
      })
@ -164,11 +213,11 @@ onBeforeUnmount(() => {
    back-btn-text="返回" :next-btn-text="isCompleted ? '已完成，返选组' : '下一题'" btn-theme="light" @back="handleBack"
    @next="handleNext"
  >
-    <div class="relative h-full w-full flex flex-col items-center px-12 pt-10 font-sans">
+    <div class="relative h-full w-full flex flex-col items-center px-10 pt-10px font-sans">
      <!-- Content -->
      <div class="w-full flex flex-col flex-1 overflow-hidden">
        <div class="mb-2 text-xl text-red-600 font-bold">
-          备注：评委正在评分中，请等待。。。
+          备注：评委正在评分中，请等待...
        </div>

        <div v-if="teams && teams.length > 0" class="grid grid-cols-4 h-full gap-6 pb-8">
@ -177,15 +226,17 @@ onBeforeUnmount(() => {
            class="flex flex-col border-2 border-gray-200 rounded-xl bg-white/90 p-4 shadow-sm"
          >
            <div
-              class="mb-3 flex items-center gap-2 rounded-full from-sky-300 to-cyan-200 bg-gradient-to-r px-4 py-2 shadow-sm"
+              class="mb-3 flex items-center justify-between gap-2 rounded-full from-sky-300 to-cyan-200 bg-gradient-to-r px-4 py-2 shadow-sm"
            >
-              <span class="text-lg text-white font-bold drop-shadow">{{ team.TeamName }}</span>
-              <span class="rounded-full bg-orange-100/60 px-5 py-2 text-sm">
-                AI评分 <span class="text-md text-orange-600 font-bold">{{ team.Points }}</span>
-              </span>
-              <span class="rounded-full bg-green-100/60 px-5 py-2 text-sm">
-                评委评分 <span class="text-md text-green-600 font-bold">{{ team.ResultPotins }}</span>
-              </span>
+              <span class="overflow-hidden text-ellipsis whitespace-nowrap text-lg text-white font-bold drop-shadow">{{ team.TeamName }}</span>
+              <div class="flex shrink-0 gap-2">
+                <span class="whitespace-nowrap rounded-full bg-green-100/90 px-3 py-1.5 text-sm">
+                  评委评分 <span class="text-lg text-orange-600 font-bold">{{ team.ResultPotins }}</span>
+                </span>
+                <span class="whitespace-nowrap rounded-full bg-orange-100/60 px-3 py-1.5 text-sm">
+                  AI评分 <span class="text-md text-orange-600 font-bold">{{ team.Points }}</span>
+                </span>
+              </div>
            </div>

            <!-- Answer Image Area -->
--- a/apps/admin/src/views/user/cover/index.vue
+++ b/apps/admin/src/views/user/cover/index.vue
@ -1,20 +1,19 @@
 <script setup lang="ts">
 import { computed, onMounted, ref, watch } from 'vue'
 import { useRoute } from 'vue-router'
+import checkoutAudio from '@/assets/audio/checkout.mp3'
 import CompetitionLayout from '@/components/custom/user/CompetitionLayout.vue'
 import { PublishStatus } from '@/enum/business'
 import { useRouterPush } from '@/hooks/common/router'
 import { fetchUpdatePublishStatus } from '@/service/api/competition'
 import { fetchGetQuestionTableByActivityID } from '@/service/api/game'
 import { useActivityInfoStore } from '@/store/modules/activityinfo'
-import { AudioController } from '@/utils/audio'
 import { filterRepeat } from '@/utils/data'

 const activityInfoStore = useActivityInfoStore()
 const activityInfo = computed(() => activityInfoStore.activityInfo)

 const { routerPushByKey, routerBack } = useRouterPush()
-const audioController = new AudioController()

 interface QuestionItem {
  id: number
@ -128,7 +127,8 @@ function toggleFlip(index: number) {
  }
  else {
    flippedCards.value.add(index)
-    audioController.play('flip') // 翻牌动效
+    const audio = new Audio(checkoutAudio)
+    audio.play().catch(e => console.error('Play audio failed', e))
  }
  // 每次点击都播放翻牌音效（无论翻开还是翻回去）
  // audioController.play('flip')
@ -288,7 +288,7 @@ onMounted(async () => {
    // [过冲状态]
    // 飞到眼前一点点 (Z=50px)
    // 角度稍微回弹 (rotateY -15deg)
-    transform: translate3d(0, -20px, 50px) rotateY(-15deg) rotateX(-10deg) scale(1.05);
+    transform: translate3d(0, -20px, 50px) rotateY(-15deg) rotateX(-10deg) scale(1.2);
  }

  100% {
@ -328,8 +328,8 @@ onMounted(async () => {
    // [翻转状态]
    // rotateY(180deg): 绕Y轴旋转180度，实现翻面
    // scale(1.05): 翻转同时放大1.05倍，产生"向观众逼近"的视觉冲击力
-    transform: rotateY(180deg) scale(1.06);
-    box-shadow: 0 20px 40px -5px rgba(0, 0, 0, 0.3); // [动态阴影] 翻转浮起时阴影更深、更扩散
+    transform: rotateY(180deg) scale(1.08);
+    box-shadow: 0 10px 20px -5px rgba(0, 0, 0, 0.3); // [动态阴影] 翻转浮起时阴影更深、更扩散
  }
 }

@ -344,7 +344,7 @@ onMounted(async () => {

  border-radius: 20px;
  overflow: hidden;
-  // border: 1px solid rgba(255, 255, 255, 0.5); // 增加微妙的边框
+  // border: 1px solid rgba(231, 215, 144, 0.5); // 增加微妙的边框
 }

 // 正面（实际是卡背图案）
@ -367,7 +367,7 @@ onMounted(async () => {
 // 背面（实际是内容面）
 .flip-card-back {
  // background-color: #fff;
-  transform: rotateY(180deg);
+  transform: rotateY(200deg);
  // border: 4px solid #fff;

  .card-content-design {
@ -409,7 +409,7 @@ onMounted(async () => {
    // animation-delay: 0.2s; 确保卡片翻转到一半（正对屏幕）时才开始闪光，
    // 模拟光线随着角度变化掠过卡片表面的物理效果
    animation: shine-sweep 3s ease-out forwards;
-    animation-delay: 0.2s;
+    animation-delay: 1s;
  }
 }

@ -455,14 +455,14 @@ onMounted(async () => {

  10% {
    // 刚进入时瞬间变亮
-    opacity: 0.8;
+    opacity: 0.8; // 0.8 是一个半透明值，模拟光束的透明度，值越大越透明
  }

  100% {
    // 扫出视野
    top: 50%;
    left: 150%;
-    opacity: 0;
+    opacity: 0.6;
  }
 }

--- a/apps/admin/src/views/user/game/index.vue
+++ b/apps/admin/src/views/user/game/index.vue
@ -2,6 +2,7 @@
 <script setup lang="ts">
 import { storeToRefs } from 'pinia'
 import { computed, onMounted, onUnmounted, ref, watch } from 'vue'
+import start3Audio from '@/assets/audio/timeout3.mp3'
 import CompetitionLayout from '@/components/custom/user/CompetitionLayout.vue'
 import { useRouterPush } from '@/hooks/common/router'
 import { fetchGetGameStatistics, fetchGetQuestionDetail, fetchSubmitQuestionResult } from '@/service/api/game'
@ -26,6 +27,9 @@ const loading = ref(false)

 // 本地倒计时控制（为了在页面上显示“开始答题”还是倒计时）
 const isStarted = ref(false)
+const isPreparing = ref(false) // 是否正在准备中（321倒计时）
+const showCountdown = ref(false) // 控制倒计时弹窗显示
+const countdownNum = ref(3) // 倒计时数字
 const pollingTimer = ref<number | null>(null) // 轮询定时器

 console.log(activityInfo.value, 'activityInfo.value')
@ -130,19 +134,10 @@ async function fetchGetQuestionDetailData() {

 async function handleNext() {
  // 点击开始答题
-  if (!isStarted.value) {
-    isStarted.value = true
+  if (!isStarted.value && !isPreparing.value) {
+    isPreparing.value = true

-    // 获取题目时间，优先从 currentQuestionInfo 获取，兼容大小写
-    // 并在获取失败时尝试从 detail 获取（如果后端在详情接口也返回了时间）
-    const infoTime = store.currentQuestionInfo?.QuestionTime || (store.currentQuestionInfo as any)?.questionTime
-    const detailTime = (store.currentQuestionDetail as any)?.QuestionTime || (store.currentQuestionDetail as any)?.questionTime
-    const duration = Number(infoTime || detailTime || 120)
-
-    console.log('开始倒计时，时长:', duration, 'InfoTime:', infoTime, 'DetailTime:', detailTime)
-    store.startTimer(duration)
-
-    // 提交题目使用记录
+    // 提交题目使用记录 (调用开始接口)
    try {
      if (store.currentQuestionInfo && store.currentQuestionDetail) {
        const params: Api.Competition.QuestionAddParams = {
@ -153,19 +148,45 @@ async function handleNext() {
          QuestionDetaiID: store.currentQuestionDetail.Id || 0, // 详情 ID
          TeamGroupQuestionID: store.currentQuestionMainInfo?.TeamGroup_QuestionID || 0, // 题目在分组中的 ID
        }
-        console.log(params, 'params')
-        await fetchSubmitQuestionResult(params)
-        // 立即拉取一次，然后开启轮询
-        await fetchGetGameStatisticsData(params)
-        startPolling(params)
+        await fetchSubmitQuestionResult(params) // 提交题目使用记录
+
+        // 调用接口成功后，显示 321 倒计时弹窗并播放音乐
+        showCountdown.value = true
+        countdownNum.value = 3
+
+        const audio = new Audio(start3Audio)
+        audio.play().catch(e => console.error('Play audio failed', e))
+
+        const timer = setInterval(() => {
+          countdownNum.value--
+          if (countdownNum.value === 0) {
+            clearInterval(timer)
+            showCountdown.value = false
+            isPreparing.value = false
+            isStarted.value = true
+
+            // 并在获取失败时尝试从 detail 获取（如果后端在详情接口也返回了时间）
+            const infoTime = store.currentQuestionInfo?.QuestionTime || (store.currentQuestionInfo as any)?.questionTime
+            const detailTime = (store.currentQuestionDetail as any)?.QuestionTime || (store.currentQuestionDetail as any)?.questionTime
+            const duration = Number(infoTime || detailTime || 120)
+
+            console.log('开始倒计时，时长:', duration, 'InfoTime:', infoTime, 'DetailTime:', detailTime)
+            store.startTimer(duration)
+
+            // 立即拉取一次，然后开启轮询
+            fetchGetGameStatisticsData(params)
+            startPolling(params)
+          }
+        }, 1000)
      }
    }
    catch (error) {
      console.error('Failed to submit question result', error)
+      isPreparing.value = false
      // 不阻塞流程，仅记录错误
    }
  }
-  else {
+  else if (isStarted.value) {
    // 备用逻辑：如果已经在答题中（理论上不会触发，因为上面已经跳转），直接跳转
    store.stopTimer()
    stopPolling()
@ -255,8 +276,8 @@ const titleBgTypeNum = computed(() => RoundType.value === 0 ? 3 : 4) || 3
  <CompetitionLayout
    action-position="top" :show-back="false" :show-next="true" :title="mainTitle || ''"
    :title-bg-type="titleBgTypeNum" title-text-color="#ffffff" back-btn-text="返回"
-    :next-btn-text="isStarted ? formattedTime : '开始答题'" :next-disabled="isStarted" btn-theme="light" @back="handleBack"
-    @next="handleNext"
+    :next-btn-text="(isStarted || isPreparing) ? (isPreparing ? '准备中...' : formattedTime) : '开始答题'"
+    :next-disabled="isStarted || isPreparing" btn-theme="light" @back="handleBack" @next="handleNext"
  >
    <div class="relative h-full w-full flex flex-col items-center overflow-hidden px-12 font-sans">
      <!-- 题目说明 -->
@ -270,6 +291,18 @@ const titleBgTypeNum = computed(() => RoundType.value === 0 ? 3 : 4) || 3
        </div>
      </div>

+      <!-- 321 倒计时遮罩层 -->
+      <div
+        v-if="showCountdown"
+        class="fixed inset-0 z-[9999] flex items-center justify-center bg-black/60 backdrop-blur-sm"
+      >
+        <Transition name="scale" mode="out-in">
+          <div :key="countdownNum" class="text-[300px] color-#dd0315 font-bold">
+            {{ countdownNum }}
+          </div>
+        </Transition>
+      </div>
+
      <!-- 隐藏的 Next 按钮 (方便演示：右上角小区域) -->
      <div class="absolute right-0 top-0 z-50 h-20 w-20 cursor-pointer" title="Next Step (Debug)" @click="handleNext">
        <div class="h-full w-full flex items-center justify-center">
@ -285,7 +318,10 @@ const titleBgTypeNum = computed(() => RoundType.value === 0 ? 3 : 4) || 3
      >
        <!-- 图表标题栏 -->
        <div v-if="isStarted" class="z-index-999 relative mb-4">
-          <img src="@/assets/imgs/user/rank-bg-kuang.png" alt="答题进度" class="z-index-999 absolute left--30px top--25px h-auto max-h-16 w-auto">
+          <img
+            src="@/assets/imgs/user/rank-bg-kuang.png" alt="答题进度"
+            class="z-index-999 absolute left--30px top--25px h-auto max-h-16 w-auto"
+          >
        </div>

        <!-- 柱状图（ECharts） -->
@ -303,4 +339,16 @@ const titleBgTypeNum = computed(() => RoundType.value === 0 ? 3 : 4) || 3
  /* red-500 */
  font-weight: bold;
 }
+
+/* 321 倒计时动画 */
+.scale-enter-active,
+.scale-leave-active {
+  transition: all 0.3s ease;
+}
+
+.scale-enter-from,
+.scale-leave-to {
+  opacity: 0;
+  transform: scale(0.5);
+}
 </style>
--- a/apps/admin/src/views/user/game/modules/LineCharts.vue
+++ b/apps/admin/src/views/user/game/modules/LineCharts.vue
@ -40,11 +40,17 @@ function buildOption(list: BarDatum[]): ECOption {
  const correct = list.map(i => i.correct)

  return {
-    // 禁用动画，避免频繁刷新时的抖动
+    // 启用动画，让柱子变化更平滑
    animation: false,
+    animationDuration: 800,
+    animationEasing: 'linear', // 动画缓动函数，平滑过渡，cubicOut｜linear｜quadOut｜quadIn
    tooltip: {
      trigger: 'axis',
      axisPointer: { type: 'shadow' },
+      backgroundColor: 'rgba(255, 255, 255, 0.9)',
+      borderColor: '#3b82f6',
+      borderWidth: 1,
+      textStyle: { color: '#1e3a8a' },
    },
    legend: {
      data: ['答题数量', '预估得分'],
@ -52,17 +58,18 @@ function buildOption(list: BarDatum[]): ECOption {
      right: 0,
      icon: 'circle',
      textStyle: {
-        color: '#666',
+        color: '#64748b',
+        fontSize: 12,
      },
    },
-    grid: { left: 16, right: 16, top: 40, bottom: 0, containLabel: true },
+    grid: { left: 16, right: 16, top: 70, bottom: 0, containLabel: true },
    xAxis: {
      type: 'category',
      data: categories,
      axisTick: { show: false }, // 隐藏 x 轴刻度线
      axisLine: { show: false }, // 隐藏 x 轴线
      axisLabel: {
-        color: '#003366', // 深蓝色字体
+        color: '#1e3a8a', // 深蓝色字体
        fontWeight: 'bold',
        fontSize: 14,
        margin: 16,
@ -82,6 +89,7 @@ function buildOption(list: BarDatum[]): ECOption {
        type: 'bar',
        data: total,
        barWidth: 24,
+        barGap: '40%', // 柱子间的间隙
        itemStyle: {
          // 从上到下：浅蓝 -> 深蓝
          color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [
@ -89,14 +97,17 @@ function buildOption(list: BarDatum[]): ECOption {
            { offset: 1, color: '#3b82f6' }, // blue-500 (底部深色)
          ]),
          borderRadius: [4, 4, 0, 0],
+          shadowBlur: 10,
+          shadowColor: 'rgba(59, 130, 246, 0.2)',
+          shadowOffsetY: 4,
        },
        label: {
          show: true,
          position: 'top',
-          color: '#003366', // 深蓝色
+          color: '#1e3a8a', // 深蓝色
          fontWeight: 'bold',
-          fontSize: 18,
-          offset: [0, 2],
+          fontSize: 16,
+          offset: [0, -4],
        },
      },
      {
@ -111,14 +122,17 @@ function buildOption(list: BarDatum[]): ECOption {
            { offset: 1, color: '#f97316' }, // orange-500 (底部深色)
          ]),
          borderRadius: [4, 4, 0, 0],
+          shadowBlur: 10,
+          shadowColor: 'rgba(249, 115, 22, 0.2)',
+          shadowOffsetY: 4,
        },
        label: {
          show: true,
          position: 'top',
          color: '#ea580c', // orange-600
          fontWeight: 'bold',
-          fontSize: 18,
-          offset: [0, 2],
+          fontSize: 16,
+          offset: [0, -4],
        },
      },
    ],
--- a/apps/admin/src/views/user/modules/QuestionRenderer.vue
+++ b/apps/admin/src/views/user/modules/QuestionRenderer.vue
@ -185,7 +185,7 @@ watch(
    >
      <!-- 上方：词组 -->
      <div class="flex flex-wrap justify-center gap-4">
-        <div v-for="(word, index) in associationWords" :key="`word-${index}`" class="association-word text-bold">
+        <div v-for="(word, index) in associationWords" :key="`word-${index}`" class="association-word text-bold text-center text-3xl">
          {{ word }}
        </div>
      </div>
@ -215,9 +215,9 @@ watch(
      </div>
    </div>

-    <!-- 模板: 诗词常识 -->
+    <!-- 模板: 加时赛诗词常识 -->
    <div v-else-if="template === QuestionCategoryEnum.PoetryCommonKnowledge" class="w-full flex flex-col items-center">
-      <div class="mb-1 p-16 text-3xl text-gray-800 font-bold leading-relaxed line-height-20">
+      <div class="line-height mb-1 p-16 text-3xl text-gray-800 font-bold leading-relaxed">
        <div class="rich-content" v-html="content" />
      </div>
    </div>
@ -445,8 +445,7 @@ watch(
  :deep(p),
  :deep(span),
  :deep(div) {
-    font-size: 2.2rem;
-    /* text-5xl */
+    font-size: 2rem;
  }
 }

@ -494,15 +493,14 @@ watch(
 .association-word {
  background: url('@/assets/imgs/user/dui-kuang.png') no-repeat center;
  background-size: 100% 100%;
-  min-width: 160px;
+  min-width: 170px;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
-  font-size: 32px;
  font-weight: bold;
  color: white;
-  padding: 0 20px;
+  letter-spacing: 0.2em;
 }

 .association-char {
--- a/apps/admin/src/views/user/rank-list/index.vue
+++ b/apps/admin/src/views/user/rank-list/index.vue
@ -157,13 +157,13 @@ function rowClassName(row: TeamData) {
 <template>
  <CompetitionLayout :show-back="false" :show-next="false" :show-title="false">
    <div class="leaderboard-container h-100%">
-      <div class="leaderboard-header">
+      <div class="leaderboard-header !z-index-99">
        <NImage :src="title" alt="logo" preview-disabled class="mt--42px" object-fit="contain" />
        <!-- <p class="mt--16px text-center text-18px text-#6b778d">
          "勤学如春起之苗，不见其增，日有所长"
        </p> -->
        <ActionButton
-          v-if="hasExtraTimeBtn" class="z-index-99 position-absolute right-20px top-20px" type="text"
+          v-if="hasExtraTimeBtn" class="!z-index-100 position-absolute right-20px top-20px" type="text"
          text="加时赛" @click="handleAddTime"
        />
      </div>
Author	SHA1	Message	Date
rjl	f4c3734639	fix: 修复翻牌音效播放失败问题移除 AudioController 依赖，直接使用 Audio 对象播放新增的 checkout.mp3 音频文件，避免因 AudioController 实例化或配置问题导致的音效播放失败。	2026-04-10 15:33:43 +08:00
rjl	38a243af15	feat(admin): 添加答题前3秒倒计时动画和音效在用户点击"开始答题"后，增加3秒倒计时动画和音效提示，提升答题体验 - 添加倒计时遮罩层和动画效果 - 播放倒计时音效文件 - 修改开始答题按钮状态为"准备中..." - 调整环境配置中的API地址	2026-04-10 14:41:30 +08:00
rjl	0d03fdd782	fix: 优化图片更新逻辑防止闪烁并调整样式 - 在结果详情页和用户分析页引入图片缓存和静默更新机制，通过比较图片大小避免不必要的更新，防止界面闪烁 - 调整用户分析页的布局样式，优化团队名称和评分信息的显示，避免内容溢出 - 禁用折线图动画以提升性能，并更新环境配置中的服务地址	2026-04-02 17:42:19 +08:00
rjl	a76263375a	fix: 修复UI样式和轮询逻辑问题 - 修复ActionButton禁用状态颜色错误 - 调整CompetitionLayout布局和z-index层级 - 修正analysis页面评委评分显示位置 - 优化QuestionRenderer字体大小和间距 - 改进cover页面卡片翻转动画效果 - 修复results-detail页面轮询逻辑和时间同步	2026-04-02 15:14:50 +08:00
rjl	9bc58c6270	style(图表): 优化柱状图动画与视觉样式 - 启用平滑动画提升交互体验 - 调整颜色方案增强视觉层次 - 添加阴影效果和间距提升可读性 - 优化标签位置和字体大小	2026-04-01 15:13:23 +08:00
rjl	7b505ec4aa	style(admin): 调整侧边栏宽度和文本样式 - 将问题库侧边栏默认宽度从525px调整为535px - 统一标签页和分类树中的文本字号大小 - 优化文件夹图标的显示尺寸	2026-03-31 10:56:27 +08:00