diff --git a/components/YifanSelector.vue b/components/YifanSelector.vue
index 6d86d73..ca4e5e3 100644
--- a/components/YifanSelector.vue
+++ b/components/YifanSelector.vue
@@ -34,8 +34,8 @@
         </view>
         
         <view class="action-buttons">
-             <button v-if="selectedItems.length === 0" class="btn-common btn-random" @tap="handleRandomOne">随机一发</button>
-             <button v-else class="btn-common btn-buy" @tap="handleBuy">去支付</button>
+             <button v-if="selectedItems.length === 0" class="btn-common btn-random" @tap="handleRandomOne" :disabled="disabled">随机一发</button>
+             <button v-else class="btn-common btn-buy" @tap="handleBuy" :disabled="disabled">去支付</button>
         </view>
       </view>
     </view>
@@ -59,7 +59,9 @@ import PaymentPopup from '@/components/PaymentPopup.vue'
 const props = defineProps({
   activityId: { type: [String, Number], required: true },
   issueId: { type: [String, Number], required: true },
-  pricePerDraw: { type: Number, default: 0 } // 单抽价格，用于计算总价
+  pricePerDraw: { type: Number, default: 0 },
+  disabled: { type: Boolean, default: false },
+  disabledText: { type: String, default: '' }
 })
 
 const emit = defineEmits(['payment-success'])
@@ -76,6 +78,9 @@ const totalAmount = computed(() => {
   return (selectedItems.value.length * props.pricePerDraw).toFixed(2)
 })
 
+const disabled = computed(() => !!props.disabled)
+const disabledMessage = computed(() => props.disabledText || '暂不可下单')
+
 watch(() => props.issueId, (newVal) => {
   if (newVal) {
     loadChoices()
@@ -83,6 +88,12 @@ watch(() => props.issueId, (newVal) => {
   }
 })
 
+watch(() => props.disabled, (v) => {
+  if (v && paymentVisible.value) {
+    paymentVisible.value = false
+  }
+})
+
 onMounted(() => {
   if (props.issueId) {
     loadChoices()
@@ -136,6 +147,10 @@ function isSelected(item) {
 }
 
 function handleSelect(item) {
+  if (disabled.value) {
+    uni.showToast({ title: disabledMessage.value, icon: 'none' })
+    return
+  }
   if (item.status === 'sold' || item.is_sold) {
     return
   }
@@ -149,12 +164,20 @@ function handleSelect(item) {
 }
 
 function handleBuy() {
+  if (disabled.value) {
+    uni.showToast({ title: disabledMessage.value, icon: 'none' })
+    return
+  }
   if (selectedItems.value.length === 0) return
   paymentVisible.value = true
   fetchCoupons()
 }
 
 function handleRandomOne() {
+  if (disabled.value) {
+    uni.showToast({ title: disabledMessage.value, icon: 'none' })
+    return
+  }
   const available = choices.value.filter(item => 
     !item.is_sold && item.status !== 'sold' && !isSelected(item)
   )
@@ -201,6 +224,11 @@ async function fetchCoupons() {
 }
 
 async function onPaymentConfirm(paymentData) {
+  if (disabled.value) {
+    paymentVisible.value = false
+    uni.showToast({ title: disabledMessage.value, icon: 'none' })
+    return
+  }
   paymentVisible.value = false
   
   const selectedSlots = selectedItems.value.map(item => item.id || item.position)
diff --git a/pages/activity/yifanshang/index.vue b/pages/activity/yifanshang/index.vue
index 588eec7..d0446f5 100644
--- a/pages/activity/yifanshang/index.vue
+++ b/pages/activity/yifanshang/index.vue
@@ -8,7 +8,7 @@
 
     <!-- 顶部背景图（模糊处理） -->
     <view class="page-bg">
-      <image class="bg-image" :src="detail.banner" mode="aspectFill" />
+      <image class="bg-image" :src="coverUrl" mode="aspectFill" />
       <view class="bg-mask"></view>
     </view>
 
@@ -20,7 +20,7 @@
       
       <!-- 头部信息卡片 -->
       <view class="header-card animate-enter">
-        <image class="header-cover" :src="detail.banner" mode="aspectFill" />
+        <image class="header-cover" :src="coverUrl" mode="aspectFill" />
         <view class="header-info">
           <view class="header-title">{{ detail.name || detail.title || '一番赏活动' }}</view>
           <view class="header-price-row">
@@ -28,9 +28,13 @@
             <text class="price-num">{{ (Number(detail.price_draw || 0) / 100).toFixed(2) }}</text>
             <text class="price-unit">/发</text>
           </view>
+          <view class="header-time-row" v-if="scheduledTimeText">
+            <text class="time-label">本期结束</text>
+            <text class="time-value">{{ scheduledTimeText }}</text>
+          </view>
           <view class="header-tags">
-            <view class="tag-item">超高爆率</view>
-            <view class="tag-item">公平公正</view>
+            <view class="tag-item">公开透明</view>
+            <view class="tag-item">拒绝套路</view>
           </view>
         </view>
         <view class="header-actions">
@@ -49,7 +53,7 @@
       <view class="section-container animate-enter stagger-1" v-if="currentIssueRewards.length > 0">
         <view class="section-header">
           <text class="section-title">赏品一览</text>
-          <text class="section-more">查看全部 ></text>
+          <text class="section-more" @tap="openRewardsPopup">查看全部</text>
         </view>
         <scroll-view class="preview-scroll" scroll-x>
           <view class="preview-item" v-for="(item, idx) in currentIssueRewards" :key="idx">
@@ -75,6 +79,10 @@
              <text class="arrow">▶</text>
            </view>
         </view>
+        
+        <view class="issue-block-tip" v-if="!isOrderAllowed">
+          <text class="issue-block-text">{{ orderBlockedReason }}</text>
+        </view>
 
         <!-- 选号组件 -->
         <view class="selector-body" v-if="activityId && currentIssueId">
@@ -82,6 +90,8 @@
             :activity-id="activityId" 
             :issue-id="currentIssueId" 
             :price-per-draw="Number(detail.price_draw || 0) / 100"
+            :disabled="!isOrderAllowed"
+            :disabled-text="orderBlockedReason"
             @payment-success="onPaymentSuccess"
           />
         </view>
@@ -101,12 +111,35 @@
       <button class="overlay-close" @tap="closeFlip">关闭</button>
     </view>
   </view>
+
+  <view v-if="rewardsVisible" class="rewards-overlay" @touchmove.stop.prevent>
+    <view class="rewards-mask" @tap="closeRewardsPopup"></view>
+    <view class="rewards-panel" @tap.stop>
+      <view class="rewards-header">
+        <text class="rewards-title">{{ currentIssueTitle }} · 奖品与概率</text>
+        <text class="rewards-close" @tap="closeRewardsPopup">×</text>
+      </view>
+      <scroll-view scroll-y class="rewards-list">
+        <view v-for="(item, idx) in rewardsForPopup" :key="item.id || idx" class="rewards-item">
+          <image class="rewards-thumb" :src="item.image" mode="aspectFill" />
+          <view class="rewards-info">
+            <view class="rewards-name-row">
+              <text class="rewards-name">{{ item.title || '-' }}</text>
+              <view class="rewards-tag" v-if="item.boss">BOSS</view>
+            </view>
+            <text class="rewards-percent">概率 {{ formatPercent(item.percent) }}</text>
+          </view>
+        </view>
+        <view v-if="!rewardsForPopup.length" class="rewards-empty">暂无奖品数据</view>
+      </scroll-view>
+    </view>
+  </view>
   
 </template>
 
 <script setup>
 import { ref, computed } from 'vue'
-import { onLoad } from '@dcloudio/uni-app'
+import { onLoad, onUnload } from '@dcloudio/uni-app'
 import FlipGrid from '../../../components/FlipGrid.vue'
 import YifanSelector from '@/components/YifanSelector.vue'
 import { getActivityDetail, getActivityIssues, getActivityIssueRewards, getActivityWinRecords } from '../../../api/appUser'
@@ -124,6 +157,7 @@ const drawLoading = ref(false)
 const points = ref(0)
 const flipRef = ref(null)
 const showFlip = ref(false)
+const rewardsVisible = ref(false)
 const currentIssueRewards = computed(() => (currentIssueId.value && rewardsMap.value[currentIssueId.value]) ? rewardsMap.value[currentIssueId.value] : [])
 const currentIssueTitle = computed(() => {
   const arr = issues.value || []
@@ -138,11 +172,93 @@ const currentIssueRemain = computed(() => {
   return cur && cur.remain !== undefined ? cur.remain : ''
 })
 
+function formatDateTime(v) {
+  const s = String(v || '').trim()
+  if (!s) return ''
+  const d = new Date(s)
+  if (Number.isNaN(d.getTime())) return s
+  const y = d.getFullYear()
+  const m = String(d.getMonth() + 1).padStart(2, '0')
+  const day = String(d.getDate()).padStart(2, '0')
+  const hh = String(d.getHours()).padStart(2, '0')
+  const mm = String(d.getMinutes()).padStart(2, '0')
+  const ss = String(d.getSeconds()).padStart(2, '0')
+  return `${y}-${m}-${day} ${hh}:${mm}:${ss}`
+}
+
+const scheduledTimeText = computed(() => formatDateTime(detail.value && (detail.value.scheduled_time || detail.value.scheduledTime)))
+
+function parseTimeMs(v) {
+  if (v === undefined || v === null || v === '') return null
+  if (typeof v === 'number') {
+    if (!Number.isFinite(v)) return null
+    return v < 1e12 ? v * 1000 : v
+  }
+  const s = String(v).trim()
+  if (!s) return null
+  const asNum = Number(s)
+  if (Number.isFinite(asNum)) return asNum < 1e12 ? asNum * 1000 : asNum
+  const d = new Date(s)
+  if (Number.isNaN(d.getTime())) return null
+  return d.getTime()
+}
+
+const nowMs = ref(Date.now())
+let nowTimer = null
+function startNowTicker() {
+  stopNowTicker()
+  nowMs.value = Date.now()
+  nowTimer = setInterval(() => { nowMs.value = Date.now() }, 1000)
+}
+function stopNowTicker() {
+  if (nowTimer) {
+    clearInterval(nowTimer)
+    nowTimer = null
+  }
+}
+
+const scheduledTimeMs = computed(() => parseTimeMs(detail.value && (detail.value.scheduled_time || detail.value.scheduledTime)))
+const remainMs = computed(() => {
+  const end = scheduledTimeMs.value
+  if (!end) return null
+  return end - nowMs.value
+})
+const isOrderAllowed = computed(() => {
+  const ms = remainMs.value
+  if (ms === null) return true
+  return ms > 25000
+})
+const orderBlockedReason = computed(() => {
+  const ms = remainMs.value
+  if (ms === null) return ''
+  if (ms <= 0) return '本期已结束，暂不可下单'
+  if (ms <= 25000) return '距本期结束不足25秒，暂不可下单'
+  return ''
+})
+
+const rewardsForPopup = computed(() => {
+  const arr = currentIssueRewards.value || []
+  return Array.isArray(arr) ? arr : []
+})
+
+function formatPercent(v) {
+  const n = Number(v)
+  if (!Number.isFinite(n)) return '0%'
+  return `${n}%`
+}
+
+function openRewardsPopup() {
+  rewardsVisible.value = true
+}
+function closeRewardsPopup() {
+  rewardsVisible.value = false
+}
+
 // 显示规则
 function showRules() {
   uni.showModal({
     title: '活动规则',
-    content: detail.value.rules || '1. 选择号码进行抽选\n2. 每个号码对应一个奖品\n3. 已售号码不可再选',
+    content: detail.value.rules || '1. 选择号码进行抽选\n2. 每个号码对应一个奖品\n3. 已售号码不可再选\n4.未满足开赏条件，将自动为所有参与用户退款，款项将原路返回',
     showCancel: false
   })
 }
@@ -165,6 +281,8 @@ async function fetchDetail(id) {
   const data = await getActivityDetail(id)
   detail.value = data || {}
   statusText.value = statusToText(detail.value.status)
+  const title = String(detail.value.name || detail.value.title || '一番赏')
+  try { uni.setNavigationBarTitle({ title }) } catch (_) {}
 }
 
 function unwrap(list) {
@@ -190,6 +308,8 @@ function cleanUrl(u) {
   if (m && m[0]) return m[0]
   return s.replace(/[`'\"]/g, '').trim()
 }
+
+const coverUrl = computed(() => cleanUrl(detail.value && (detail.value.image || detail.value.banner || '')))
 function truthy(v) {
   if (typeof v === 'boolean') return v
   const s = String(v || '').trim().toLowerCase()
@@ -321,7 +441,7 @@ function nextIssue() {
 
 
 function onPreviewBanner() {
-  const url = detail.value.banner || ''
+  const url = coverUrl.value || ''
   if (url) uni.previewImage({ urls: [url], current: url })
 }
 
@@ -361,6 +481,7 @@ function onPaymentSuccess(payload) {
 }
 
 onLoad((opts) => {
+  startNowTicker()
   const id = (opts && opts.id) || ''
   if (id) {
     activityId.value = id
@@ -371,6 +492,10 @@ onLoad((opts) => {
 })
 
 function closeFlip() { showFlip.value = false }
+
+onUnload(() => {
+  stopNowTicker()
+})
 </script>
 
 <style lang="scss" scoped>
@@ -495,8 +620,9 @@ function closeFlip() { showFlip.value = false }
   flex: 1;
   display: flex;
   flex-direction: column;
-  justify-content: center;
-  height: 180rpx;
+  justify-content: flex-start;
+  min-height: 180rpx;
+  padding: 6rpx 0;
 }
 .header-title {
   font-size: $font-xl;
@@ -517,6 +643,23 @@ function closeFlip() { showFlip.value = false }
 .price-num { font-size: $font-xxl; font-weight: 900; margin: 0 4rpx; font-family: 'DIN Alternate', sans-serif; }
 .price-unit { font-size: $font-sm; color: $text-sub; margin-left: 4rpx; }
 
+.header-time-row {
+  display: flex;
+  align-items: center;
+  gap: 12rpx;
+  margin-bottom: $spacing-sm;
+}
+.time-label {
+  font-size: $font-xs;
+  color: $text-tertiary;
+  font-weight: 600;
+}
+.time-value {
+  font-size: $font-sm;
+  color: $text-sub;
+  font-weight: 600;
+}
+
 .header-tags {
   display: flex;
   gap: $spacing-xs;
@@ -737,6 +880,19 @@ function closeFlip() { showFlip.value = false }
   font-weight: 600;
 }
 
+.issue-block-tip {
+  margin: -10rpx 0 20rpx;
+  padding: 16rpx 20rpx;
+  border-radius: $radius-md;
+  background: rgba($uni-color-warning, 0.08);
+  border: 1rpx solid rgba($uni-color-warning, 0.25);
+}
+.issue-block-text {
+  color: $uni-color-warning;
+  font-size: $font-sm;
+  font-weight: 600;
+}
+
 .selector-body {
   flex: 1;
 }
@@ -800,4 +956,98 @@ function closeFlip() { showFlip.value = false }
   from { opacity: 0; transform: scale(0.9); }
   to { opacity: 1; transform: scale(1); }
 }
+
+.rewards-overlay { position: fixed; left: 0; right: 0; top: 0; bottom: 0; z-index: 9000; }
+.rewards-mask {
+  position: absolute; left: 0; right: 0; top: 0; bottom: 0;
+  background: rgba(0,0,0,0.6);
+  backdrop-filter: blur(10rpx);
+}
+.rewards-panel {
+  position: absolute;
+  left: $spacing-lg;
+  right: $spacing-lg;
+  bottom: calc(env(safe-area-inset-bottom) + 24rpx);
+  max-height: 70vh;
+  background: rgba($bg-card, 0.95);
+  border-radius: $radius-xl;
+  box-shadow: $shadow-card;
+  border: 1rpx solid rgba(255,255,255,0.5);
+  overflow: hidden;
+  animation: slideUp 0.25s ease-out;
+}
+.rewards-header {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  padding: $spacing-lg;
+  border-bottom: 1rpx solid rgba(0,0,0,0.06);
+}
+.rewards-title {
+  font-size: $font-md;
+  font-weight: 800;
+  color: $text-main;
+}
+.rewards-close {
+  font-size: 48rpx;
+  line-height: 1;
+  color: $text-tertiary;
+  padding: 0 10rpx;
+}
+.rewards-list {
+  max-height: 60vh;
+  padding: $spacing-lg;
+}
+.rewards-item {
+  display: flex;
+  align-items: center;
+  padding: $spacing-md;
+  border-radius: $radius-lg;
+  background: rgba(255,255,255,0.75);
+  border: 1rpx solid rgba(0,0,0,0.03);
+  box-shadow: $shadow-xs;
+  margin-bottom: $spacing-md;
+}
+.rewards-thumb {
+  width: 96rpx;
+  height: 96rpx;
+  border-radius: $radius-md;
+  background: $bg-secondary;
+  flex-shrink: 0;
+  margin-right: $spacing-md;
+}
+.rewards-info { flex: 1; min-width: 0; }
+.rewards-name-row {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: $spacing-sm;
+  margin-bottom: 8rpx;
+}
+.rewards-name {
+  font-size: $font-md;
+  font-weight: 700;
+  color: $text-main;
+  @include text-ellipsis(1);
+}
+.rewards-tag {
+  font-size: $font-xs;
+  font-weight: 800;
+  color: #fff;
+  background: $gradient-brand;
+  border-radius: $radius-sm;
+  padding: 4rpx 10rpx;
+  flex-shrink: 0;
+}
+.rewards-percent {
+  font-size: $font-sm;
+  color: $text-sub;
+  font-weight: 600;
+}
+.rewards-empty {
+  padding: 60rpx 0 20rpx;
+  text-align: center;
+  color: $text-tertiary;
+  font-size: $font-sm;
+}
 </style>
diff --git a/pages/mine/index.vue b/pages/mine/index.vue
index 3a44ecf..d335080 100644
--- a/pages/mine/index.vue
+++ b/pages/mine/index.vue
@@ -589,7 +589,20 @@ export default {
       uni.navigateTo({ url: '/pages/address/index' })
     },
     toHelp() {
-      uni.showToast({ title: '功能开发中', icon: 'none' })
+      uni.showActionSheet({
+        itemList: ['购买协议', '用户协议'],
+        success: (res) => {
+          const idx = Number(res && res.tapIndex)
+          if (idx === 0) {
+            uni.navigateTo({ url: '/pages/agreement/purchase' })
+            return
+          }
+          if (idx === 1) {
+            uni.navigateTo({ url: '/pages/agreement/user' })
+            return
+          }
+        }
+      })
     },
     handleInvite() {
       const code = this.getInviteCode()