diff --git a/apps/admin/.env.dev b/apps/admin/.env.dev
index 9716c53..670148f 100644
--- a/apps/admin/.env.dev
+++ b/apps/admin/.env.dev
@@ -5,8 +5,8 @@
 
 # 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_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"
diff --git a/apps/admin/src/assets/audio/timeout3.mp3 b/apps/admin/src/assets/audio/timeout3.mp3
new file mode 100644
index 0000000..bbb47de
Binary files /dev/null and b/apps/admin/src/assets/audio/timeout3.mp3 differ
diff --git a/apps/admin/src/views/user/game/index.vue b/apps/admin/src/views/user/game/index.vue
index 8b29c9b..c024370 100644
--- 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>