diff --git a/src/components/user-center/PlanCard.vue b/src/components/user-center/PlanCard.vue
index 29d1763..65883bd 100644
--- a/src/components/user-center/PlanCard.vue
+++ b/src/components/user-center/PlanCard.vue
@@ -5,36 +5,42 @@
 
     <div class="space-y-4">
       <template v-for="(plan, index) in plans" :key="plan.id">
-        <!-- Special Trial Card -->
+        <!-- Activity Price Card -->
         <div
-          v-if="index === 0 && trialPlan"
-          @click="$emit('select', trialPlan.id)"
+          v-if="hasActivityPrice(plan, index)"
+          @click="$emit('select', activityPlan(plan, index).id)"
           class="relative h-[126px] cursor-pointer overflow-hidden rounded-[40px] border-4 border-black bg-[#A8FF53] transition-all"
         >
           <!-- Left content (Original Plan but dimmed/struck) -->
-          <div class="py-4 pl-[45px] opacity-60">
+          <div class="py-4 pl-[25px] opacity-60">
             <div class="text-2xl font-bold text-black">{{ plan.days }}天</div>
             <div class="relative w-fit text-[40px] leading-none font-semibold text-black">
               ${{ plan.price }}
-              <div class="absolute top-1/2 left-0 h-1 w-full -translate-y-1/2 bg-black/60"></div>
+              <div class="absolute top-1/2 left-0 h-1.5 w-full -translate-y-1/2 bg-black/60"></div>
             </div>
             <div class="text-sm text-black">约${{ plan.daily }}/天</div>
           </div>
 
-          <!-- Right overlay (Trial Info) -->
+          <!-- Right overlay (Activity Info) -->
           <div
             class="absolute top-0 right-0 bottom-0 flex h-[120px] w-[126px] flex-col justify-center rounded-bl-[40px] bg-black/60 text-[#ADFF5B]"
           >
             <div class="ml-[4px] flex h-full w-full flex-col rounded-bl-[40px] bg-black">
-              <div class="pt-2 pl-1">
-                <div class="text-lg font-bold">新客尝鲜价</div>
-                <div class="mb-1 text-xs">{{ trialCountdown }}</div>
+              <div class="pt-1.5 pl-1 leading-[1.05]">
+                <div class="text-[14px] font-bold">{{ activityTitle(plan, index) }}</div>
+                <div class="mb-0.5 text-[10px]" v-if="activityCountdown(plan, index)">
+                  {{ activityCountdown(plan, index) }}
+                </div>
               </div>
               <div
-                class="flex h-full flex-1 items-center justify-center rounded-bl-[40px] border-4 border-black bg-[#ADFF5B] text-4xl font-semibold"
-                :class="isTrialSelected ? 'bg-black text-white' : 'bg-[#ADFF5B] text-black'"
+                class="flex h-full flex-1 items-center justify-center rounded-bl-[40px] border-4 border-black bg-[#ADFF5B] text-[32px] leading-none font-semibold"
+                :class="
+                  isActivitySelected(plan, index)
+                    ? 'bg-black text-white'
+                    : 'bg-[#ADFF5B] text-black'
+                "
               >
-                ${{ trialPlan.price }}
+                ${{ activityPrice(plan, index) }}
               </div>
             </div>
           </div>
@@ -51,7 +57,7 @@
         >
           <div class="flex items-center gap-2 text-2xl font-bold">
             <Goods90Icon
-              v-if="plan.days === 90"
+              v-if="plan.days === 90 && !plan.promoPrice"
               :class="[currentPlanIndex === index ? 'text-[#ADFF5B]' : 'text-black']"
             />
             {{ plan.days }}天
@@ -79,7 +85,7 @@
 </template>
 
 <script setup>
-import { computed } from 'vue'
+import { computed, onMounted, onUnmounted, ref } from 'vue'
 import Goods90Icon from './goods-90-icon.svg'
 const props = defineProps({
   plans: Array,
@@ -90,7 +96,70 @@ const props = defineProps({
 })
 defineEmits(['select'])
 
+const now = ref(Date.now())
+const countdownStart = Date.now()
+let timer = null
+
 const isTrialSelected = computed(() => {
   return props.trialPlan && props.selectedPlanId === props.trialPlan.id
 })
+
+const hasActivityPrice = (plan, index) => {
+  return Boolean(plan?.promoPrice || (index === 0 && props.trialPlan))
+}
+
+const activityPlan = (plan, index) => {
+  if (plan?.promoPrice) return plan
+  if (index === 0 && props.trialPlan) return props.trialPlan
+  return plan
+}
+
+const activityTitle = (plan, index) => {
+  const promoPlan = activityPlan(plan, index)
+  return promoPlan?.promoTitle || promoPlan?.discount || '新客尝鲜价'
+}
+
+const activityPrice = (plan, index) => {
+  const promoPlan = activityPlan(plan, index)
+  return promoPlan?.promoPrice || promoPlan?.price
+}
+
+const activityCountdown = (plan, index) => {
+  const promoPlan = activityPlan(plan, index)
+  if (promoPlan?.promoPrice) {
+    return formatPromoCountdown(promoPlan.promoRemainingSeconds)
+  }
+  return props.trialCountdown
+}
+
+const isActivitySelected = (plan, index) => {
+  const promoPlan = activityPlan(plan, index)
+  return props.selectedPlanId === promoPlan?.id || (index === 0 && isTrialSelected.value)
+}
+
+const formatPromoCountdown = (remainingSeconds) => {
+  if (remainingSeconds === null || remainingSeconds === undefined) return ''
+
+  const elapsedSeconds = Math.floor((now.value - countdownStart) / 1000)
+  const totalSeconds = Math.max(0, Math.floor(remainingSeconds) - elapsedSeconds)
+  if (totalSeconds <= 0) return ''
+
+  const days = Math.floor(totalSeconds / 86400)
+  const hours = Math.floor((totalSeconds % 86400) / 3600)
+  const minutes = Math.floor((totalSeconds % 3600) / 60)
+  const seconds = totalSeconds % 60
+
+  if (days > 0) return `${days}d:${hours}h:${minutes}m后失效`
+  return `${hours}h:${minutes}m:${seconds}s后失效`
+}
+
+onMounted(() => {
+  timer = setInterval(() => {
+    now.value = Date.now()
+  }, 1000)
+})
+
+onUnmounted(() => {
+  if (timer) clearInterval(timer)
+})
 </script>
diff --git a/src/pages/UserCenter/index.vue b/src/pages/UserCenter/index.vue
index 8c0fc26..88bca7b 100644
--- a/src/pages/UserCenter/index.vue
+++ b/src/pages/UserCenter/index.vue
@@ -72,7 +72,7 @@
 </template>
 
 <script setup lang="ts">
-import { ref, computed, onMounted } from 'vue'
+import { ref, computed, onMounted, onUnmounted } from 'vue'
 import { useRoute, useRouter } from 'vue-router'
 import MobileLayout from './MobileLayout/index.vue'
 import DesktopLayout from './DesktopLayout/index.vue'
@@ -116,7 +116,11 @@ const updatePlans = () => {
   // First map all plans using the standard logic
   const allMappedPlans = mapPlans(rawPlansList.value)
 
-  if (isTrial.value && allMappedPlans.length > 4) {
+  if (
+    isTrial.value &&
+    allMappedPlans.length > 4 &&
+    !allMappedPlans.some((plan) => plan.promoPrice)
+  ) {
     // Extract the last item as the trial plan (based on user requirement)
     const trial = allMappedPlans.pop()
     if (trial) {
@@ -139,13 +143,12 @@ const updatePlans = () => {
   // The remaining plans are displayed in the normal list
   plans.value = allMappedPlans
 
-  // Fallback selection if trial is not active and no plan selected
-  if (
-    !isTrial.value &&
-    plans.value.length > 0 &&
-    !plans.value.find((p) => p.id === selectedPlanId.value)
-  ) {
-    selectedPlanId.value = plans.value[0].id
+  // Fallback selection if no valid plan is selected
+  const hasSelectedPlan =
+    plans.value.some((p) => p.id === selectedPlanId.value) ||
+    (trialPlan.value && trialPlan.value.id === selectedPlanId.value)
+  if (plans.value.length > 0 && !hasSelectedPlan) {
+    selectedPlanId.value = trialPlan.value?.id || plans.value[0].id
   }
 }
 
@@ -197,6 +200,10 @@ const mapPlans = (apiList: any[]) => {
         const totalDays = opt.quantity * unitDays
         const ratioToPay = opt.discount === 0 || opt.discount === undefined ? 100 : opt.discount
         const totalPrice = (item.unit_price / 100) * opt.quantity * (ratioToPay / 100)
+        const promo = opt.promo || {}
+        const promoPriceCents = getNumber(promo.promo_price ?? opt.promo_price)
+        const promoRemainingSeconds = getPromoRemainingSeconds(promo, opt)
+        const hasPromoPrice = typeof promoPriceCents === 'number' && promoPriceCents > 0
 
         flattened.push({
           id: `${item.id}-${opt.quantity}`,
@@ -204,6 +211,10 @@ const mapPlans = (apiList: any[]) => {
           quantity: opt.quantity,
           days: totalDays,
           price: totalPrice.toFixed(2),
+          promoPrice: hasPromoPrice ? (promoPriceCents / 100).toFixed(2) : '',
+          promoPriceCents: hasPromoPrice ? promoPriceCents : null,
+          promoTitle: hasPromoPrice ? promo.rule_name || opt.promo_title || '新客尝鲜价' : '',
+          promoRemainingSeconds,
           daily: (totalPrice / totalDays).toFixed(2),
           discount:
             globalIndex > 0 && ratioToPay < 100 ? `${Math.ceil(100 - ratioToPay)}% off` : '',
@@ -215,14 +226,47 @@ const mapPlans = (apiList: any[]) => {
   return flattened
 }
 
+const getNumber = (value: any) => {
+  if (value === null || value === undefined || value === '') return null
+  const numberValue = Number(value)
+  return Number.isFinite(numberValue) ? numberValue : null
+}
+
+const getPromoRemainingSeconds = (promo: any, opt: any) => {
+  const directSeconds = getNumber(
+    promo.remaining_seconds ??
+      promo.remaining_time ??
+      promo.remain_seconds ??
+      promo.remain_time ??
+      opt.remaining_seconds ??
+      opt.remaining_time,
+  )
+  if (typeof directSeconds === 'number') return Math.max(0, Math.floor(directSeconds))
+
+  const expiresAt = getNumber(promo.expires_at ?? opt.expires_at)
+  if (!expiresAt) return null
+
+  const expiresAtMs = expiresAt > 10000000000 ? expiresAt : expiresAt * 1000
+  return Math.max(0, Math.floor((expiresAtMs - Date.now()) / 1000))
+}
+
 // --- Handlers ---
 const activePlan = computed(() => {
   if (trialPlan.value && selectedPlanId.value === trialPlan.value.id) {
-    return trialPlan.value
+    return getPayablePlan(trialPlan.value)
   }
-  return plans.value.find((p) => p.id === selectedPlanId.value)
+  return getPayablePlan(plans.value.find((p) => p.id === selectedPlanId.value))
 })
 
+const getPayablePlan = (plan: any) => {
+  if (!plan) return plan
+  if (!plan.promoPrice) return plan
+  return {
+    ...plan,
+    price: plan.promoPrice,
+  }
+}
+
 const handlePlanSelect = (id: string) => {
   selectedPlanId.value = id
 }
@@ -231,7 +275,7 @@ const handlePay = async (methodId: number | string) => {
   if (isPaying.value) return
 
   // 1. 查找套餐并校验
-  const plan = plans.value.find((p) => p.id === selectedPlanId.value)
+  const plan = activePlan.value
   if (!plan) {
     toast.error('请选择有效的订阅套餐')
     return
@@ -253,6 +297,7 @@ const handlePay = async (methodId: number | string) => {
       subscribe_id: plan.planId,
       quantity: plan.quantity,
       payment: methodId,
+      ...(plan.promoPriceCents ? { promo_price: plan.promoPriceCents } : {}),
       ...(isRenewal && { user_subscribe_id: existingSub.id }), // 仅续费时添加此字段
     }
 
@@ -366,7 +411,7 @@ onMounted(() => {
   init()
   const orderNo = (route.query.order_no as string) || localStorage.getItem('pending_order_no')
   if (orderNo) {
-    request.get('/api/v1/public/order/detail', { order_no: orderNo }).then((data) => {
+    request.get('/api/v1/public/order/detail', { order_no: orderNo }).then((data: any) => {
       if (data.status === 1 || data.status === 5 || data.status === 2) {
         orderStatusDialogRef.value?.show(orderNo)
       }
@@ -374,6 +419,10 @@ onMounted(() => {
   }
 })
 
+onUnmounted(() => {
+  if (countdownTimer) clearInterval(countdownTimer)
+})
+
 function handleStatusClose() {
   localStorage.removeItem('pending_order_no')
   // 清除 URL 中的 order_no，防止刷新再次弹出