diff --git a/admin/src/views/CouponTemplates.vue b/admin/src/views/CouponTemplates.vue
index e18066c..6c772af 100644
--- a/admin/src/views/CouponTemplates.vue
+++ b/admin/src/views/CouponTemplates.vue
@@ -16,12 +16,15 @@
         <el-table-column label="抵扣金额" width="90">
           <template #default="{ row }">{{ row.couponType === 'discount' ? `¥${row.discountAmount}` : '-' }}</template>
         </el-table-column>
-        <el-table-column label="适用门店" width="120">
-          <template #default="{ row }">{{ row.store?.name || '-' }}</template>
+        <el-table-column label="适用门店" min-width="150">
+          <template #default="{ row }">{{ row.storeNames || '-' }}</template>
         </el-table-column>
         <el-table-column label="数量" width="100">
           <template #default="{ row }">{{ row.remainingCount }}/{{ row.totalCount }}</template>
         </el-table-column>
+        <el-table-column label="有效期" min-width="180">
+          <template #default="{ row }">{{ formatValidity(row) }}</template>
+        </el-table-column>
         <el-table-column prop="pointsCost" label="所需积分" width="90" />
         <el-table-column label="来源" width="90">
           <template #default="{ row }">{{ row.source === 'platform' ? '平台券' : '驿公里券' }}</template>
@@ -47,7 +50,7 @@
           <el-input v-model="form.name" placeholder="请输入名称" />
         </el-form-item>
         <el-form-item label="适用门店">
-          <el-select v-model="form.storeId" placeholder="请选择门店" style="width:100%">
+          <el-select v-model="form.storeIds" multiple placeholder="请选择门店（可多选）" style="width:100%">
             <el-option v-for="s in stores" :key="s.id" :label="s.name" :value="s.id" />
           </el-select>
         </el-form-item>
@@ -61,7 +64,10 @@
           <el-input-number v-model="form.discountAmount" :min="0" :precision="2" />
         </el-form-item>
         <el-form-item label="有效期">
-          <el-date-picker v-model="dateRange" type="daterange" start-placeholder="开始日期" end-placeholder="结束日期" style="width:100%" />
+          <div style="display:flex;flex-direction:column;gap:8px;width:100%">
+            <el-checkbox v-model="form.isPermanent">永久有效</el-checkbox>
+            <el-date-picker v-if="!form.isPermanent" v-model="dateRange" type="daterange" start-placeholder="开始" end-placeholder="结束" style="max-width:380px" />
+          </div>
         </el-form-item>
         <el-form-item label="总数量">
           <el-input-number v-model="form.totalCount" :min="1" />
@@ -75,7 +81,7 @@
             <el-option label="驿公里券" value="ygl" />
           </el-select>
         </el-form-item>
-        <el-form-item v-if="form.source === 'ygl'" label="驿公里券包码">
+        <el-form-item v-if="form.source === 'ygl'" label="驿公里券包码" required>
           <el-input v-model="form.yglTicketPackageCode" placeholder="请输入券包码" />
         </el-form-item>
         <el-form-item label="状态">
@@ -91,7 +97,7 @@
 </template>
 
 <script setup>
-import { ref, computed, onMounted } from 'vue'
+import { ref, onMounted } from 'vue'
 import { ElMessage, ElMessageBox } from 'element-plus'
 import { getCouponTemplates, createCouponTemplate, updateCouponTemplate, deleteCouponTemplate, getStores } from '../api'
 
@@ -104,9 +110,9 @@ const isEdit = ref(false)
 const editId = ref(null)
 
 const defaultForm = () => ({
-  name: '', couponType: 'free', discountAmount: 0, storeId: null,
+  name: '', couponType: 'free', discountAmount: 0, storeIds: [],
   totalCount: 100, pointsCost: 0, source: 'platform',
-  yglTicketPackageCode: '', isActive: true
+  yglTicketPackageCode: '', isActive: true, isPermanent: false
 })
 const form = ref(defaultForm())
 const dateRange = ref([])
@@ -120,17 +126,32 @@ const fetchData = async () => {
   try { const res = await getCouponTemplates(); list.value = res.data } catch {} finally { loading.value = false }
 }
 
+// 判断是否为永久有效（年份>=2099）
+const isPermanent = (row) => {
+  if (!row.validEnd) return false
+  return new Date(row.validEnd).getFullYear() >= 2099
+}
+
+// 格式化有效期显示
+const formatValidity = (row) => {
+  if (isPermanent(row)) return '永久有效'
+  const fmt = (d) => d ? d.substring(0, 10) : ''
+  return `${fmt(row.validStart)} 至 ${fmt(row.validEnd)}`
+}
+
 const openDialog = (row) => {
   fetchStores()
   if (row) {
     isEdit.value = true
     editId.value = row.id
+    const permanent = isPermanent(row)
     form.value = {
       name: row.name, couponType: row.couponType, discountAmount: row.discountAmount,
-      storeId: row.storeId, totalCount: row.totalCount, pointsCost: row.pointsCost,
-      source: row.source, yglTicketPackageCode: row.yglTicketPackageCode || '', isActive: row.isActive
+      storeIds: row.storeIds || [], totalCount: row.totalCount, pointsCost: row.pointsCost,
+      source: row.source, yglTicketPackageCode: row.yglTicketPackageCode || '', isActive: row.isActive,
+      isPermanent: permanent
     }
-    dateRange.value = [new Date(row.validStart), new Date(row.validEnd)]
+    dateRange.value = permanent ? [] : [new Date(row.validStart), new Date(row.validEnd)]
   } else {
     isEdit.value = false
     editId.value = null
@@ -141,8 +162,24 @@ const openDialog = (row) => {
 }
 
 const handleSubmit = async () => {
+  if (!form.value.storeIds.length) {
+    ElMessage.warning('请至少选择一个门店')
+    return
+  }
+  if (form.value.source === 'ygl' && !form.value.yglTicketPackageCode?.trim()) {
+    ElMessage.warning('驿公里券来源必须填写券包码')
+    return
+  }
+  if (!form.value.isPermanent && (!dateRange.value || dateRange.value.length < 2)) {
+    ElMessage.warning('请选择有效期或勾选永久有效')
+    return
+  }
   const data = { ...form.value }
-  if (dateRange.value?.length === 2) {
+  delete data.isPermanent
+  if (form.value.isPermanent) {
+    data.validStart = new Date('2000-01-01')
+    data.validEnd = new Date('2099-12-31')
+  } else {
     data.validStart = dateRange.value[0]
     data.validEnd = dateRange.value[1]
   }
diff --git a/admin/src/views/Coupons.vue b/admin/src/views/Coupons.vue
index d37f67c..88a033b 100644
--- a/admin/src/views/Coupons.vue
+++ b/admin/src/views/Coupons.vue
@@ -1,33 +1,29 @@
 <template>
   <div>
     <el-card>
-      <template #header>优惠券发放记录</template>
-      <!-- 筛选栏 -->
-      <el-form :inline="true" :model="filters" style="margin-bottom:16px">
-        <el-form-item label="用户手机号">
-          <el-input v-model="filters.userPhone" placeholder="手机号" clearable @clear="fetchData" />
-        </el-form-item>
-        <el-form-item label="门店">
-          <el-select v-model="filters.storeId" placeholder="全部门店" clearable @change="fetchData">
-            <el-option v-for="s in stores" :key="s.id" :label="s.name" :value="s.id" />
-          </el-select>
-        </el-form-item>
-        <el-form-item label="状态">
-          <el-select v-model="filters.status" placeholder="全部状态" clearable @change="fetchData">
-            <el-option label="未使用" value="unused" />
-            <el-option label="已使用" value="used" />
-            <el-option label="已过期" value="expired" />
-          </el-select>
-        </el-form-item>
-        <el-form-item>
-          <el-button type="primary" @click="fetchData">查询</el-button>
-        </el-form-item>
-      </el-form>
+      <template #header>
+        <div style="display:flex;justify-content:space-between;align-items:center">
+          <span>优惠券发放记录</span>
+          <div style="display:flex;gap:8px;align-items:center">
+            <el-input v-model="filters.userPhone" placeholder="用户手机号/UID" clearable style="width:160px" @clear="fetchData" @keyup.enter="fetchData" />
+            <el-select v-model="filters.storeId" placeholder="全部门店" clearable style="width:140px" @change="fetchData">
+              <el-option v-for="s in stores" :key="s.id" :label="s.name" :value="s.id" />
+            </el-select>
+            <el-select v-model="filters.status" placeholder="全部状态" clearable style="width:120px" @change="fetchData">
+              <el-option label="未使用" value="unused" />
+              <el-option label="已使用" value="used" />
+              <el-option label="已过期" value="expired" />
+            </el-select>
+            <el-button type="primary" @click="fetchData">查询</el-button>
+          </div>
+        </div>
+      </template>
 
       <el-table :data="list" v-loading="loading">
         <el-table-column prop="id" label="ID" width="60" />
         <el-table-column prop="code" label="券码" width="120" />
         <el-table-column prop="templateName" label="优惠券名称" />
+        <el-table-column prop="userUid" label="用户UID" width="90" />
         <el-table-column prop="userPhone" label="用户手机号" width="130" />
         <el-table-column prop="storeName" label="门店" />
         <el-table-column label="状态" width="90">
diff --git a/admin/src/views/Stores.vue b/admin/src/views/Stores.vue
index 8490bc9..b0cbf35 100644
--- a/admin/src/views/Stores.vue
+++ b/admin/src/views/Stores.vue
@@ -209,6 +209,14 @@ onMounted(fetchData)
 .store-uploader:hover {
   border-color: #409eff;
 }
+.store-uploader :deep(.el-upload) {
+  width: 120px;
+  height: 120px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  cursor: pointer;
+}
 .uploader-icon {
   font-size: 28px;
   color: #8c939d;
diff --git a/miniapp/App.vue b/miniapp/App.vue
index c696b6f..152cf62 100644
--- a/miniapp/App.vue
+++ b/miniapp/App.vue
@@ -1,5 +1,5 @@
 <script>
-	import { isLoggedIn } from '@/utils/auth'
+	import { isLoggedIn, getRole } from '@/utils/auth'
 
 	// 需要登录才能访问的页面路径
 	const AUTH_PAGES = [
@@ -21,6 +21,10 @@
 	export default {
 		onLaunch: function() {
 			console.log('App Launch')
+			// 已登录的商户自动跳转商户端
+			if (isLoggedIn() && getRole() === 'merchant') {
+				uni.reLaunch({ url: '/pages/merchant/index' })
+			}
 		},
 		onShow: function() {
 			console.log('App Show')
diff --git a/miniapp/api/verify.js b/miniapp/api/verify.js
index abaecef..4d36b45 100644
--- a/miniapp/api/verify.js
+++ b/miniapp/api/verify.js
@@ -34,3 +34,11 @@ export function getRecords() {
 export function getMerchantRecords() {
   return get('/api/verify/merchant-records')
 }
+
+/**
+ * 根据券码查询优惠券信息（核销前预览）
+ * @param {string} code - 券码
+ */
+export function previewCoupon(code) {
+  return get('/api/verify/preview', { code })
+}
diff --git a/miniapp/components/ConfirmDialog.vue b/miniapp/components/ConfirmDialog.vue
index 68a70b4..0e5e09a 100644
--- a/miniapp/components/ConfirmDialog.vue
+++ b/miniapp/components/ConfirmDialog.vue
@@ -4,7 +4,7 @@
 			<view class="dialog-title" v-if="title">{{ title }}</view>
 			<view class="dialog-message">{{ message }}</view>
 			<view class="dialog-actions">
-				<button class="btn-cancel" @click="cancel">{{ cancelText }}</button>
+				<button v-if="cancelText" class="btn-cancel" @click="cancel">{{ cancelText }}</button>
 				<button class="btn-confirm" @click="confirm">{{ confirmText }}</button>
 			</view>
 		</view>
diff --git a/miniapp/components/CouponCard.vue b/miniapp/components/CouponCard.vue
index 57e6532..2b86dbb 100644
--- a/miniapp/components/CouponCard.vue
+++ b/miniapp/components/CouponCard.vue
@@ -1,27 +1,42 @@
 <template>
 	<view class="coupon-card">
-		<view class="coupon-info">
-			<view class="coupon-name">{{ coupon.name }}</view>
-			<view class="coupon-store">适用门店：{{ coupon.storeName }}</view>
-			<view class="coupon-code">券码：{{ coupon.code }}</view>
-			<view class="coupon-expire">有效期：{{ coupon.validStart }} ~ {{ coupon.validEnd }}</view>
+		<!-- 背景图 -->
+		<image class="coupon-card-bg" src="/static/item_bg2.png" mode="scaleToFill" />
+		<!-- 左侧券类型 -->
+		<view class="coupon-left">
+			<template v-if="coupon.couponType === 'discount'">
+				<text class="coupon-price">¥{{ coupon.discountAmount }}</text>
+				<text class="coupon-type-label">折扣券</text>
+			</template>
+			<template v-else>
+				<text class="coupon-price">免费</text>
+				<text class="coupon-type-label">洗车券</text>
+			</template>
 		</view>
-		<view class="coupon-action">
-			<!-- 平台券：显示二维码按钮 -->
-			<button
-				v-if="coupon.source === 'platform'"
-				class="btn btn-primary"
-				size="mini"
-				@click="$emit('showQrcode', coupon)"
-			>二维码</button>
-			<!-- 驿公里券：显示跳转按钮 -->
-			<view v-else-if="coupon.source === 'ygl'" class="ygl-action">
-				<text class="ygl-tip">需在驿公里使用</text>
-				<button
-					class="btn btn-ygl"
-					size="mini"
-					@click="$emit('gotoYgl', coupon)"
-				>去使用</button>
+		<!-- 右侧信息 -->
+		<view class="coupon-right">
+			<text class="coupon-name">{{ coupon.storeName }}</text>
+			<text class="coupon-info">券码：{{ coupon.code }}</text>
+			<text class="coupon-info">有效期：{{ formatValidity(coupon) }}</text>
+			<!-- 操作按钮 -->
+			<view class="coupon-bottom">
+				<view v-if="coupon.source === 'ygl'" class="ygl-tip-text">
+					<text class="coupon-info">需在驿公里洗车小程序中使用</text>
+				</view>
+				<view
+					v-if="coupon.source === 'platform'"
+					class="action-btn"
+					@click.stop="$emit('showQrcode', coupon)"
+				>
+					<text class="action-btn-text">二维码</text>
+				</view>
+				<view
+					v-else-if="coupon.source === 'ygl'"
+					class="action-btn"
+					@click.stop="$emit('gotoYgl', coupon)"
+				>
+					<text class="action-btn-text">去使用</text>
+				</view>
 			</view>
 		</view>
 	</view>
@@ -31,66 +46,105 @@
 	export default {
 		name: 'CouponCard',
 		props: {
-			coupon: {
-				type: Object,
-				required: true
-			}
+			coupon: { type: Object, required: true }
 		},
-		emits: ['showQrcode', 'gotoYgl']
+		emits: ['showQrcode', 'gotoYgl'],
+		methods: {
+			formatValidity(coupon) {
+				if (!coupon.validStart && !coupon.validEnd) return '-'
+				const endYear = new Date(coupon.validEnd).getFullYear()
+				if (endYear >= 2099) return '永久有效'
+				const fmt = (d) => d ? d.substring(0, 10) : ''
+				return `${fmt(coupon.validStart)}至${fmt(coupon.validEnd)}`
+			}
+		}
 	}
 </script>
 
 <style scoped>
 	.coupon-card {
 		display: flex;
-		justify-content: space-between;
-		align-items: center;
-		background: #fff;
-		border-radius: 16rpx;
-		padding: 24rpx;
 		margin-bottom: 20rpx;
-		box-shadow: 0 2rpx 12rpx rgba(0, 0, 0, 0.08);
+		overflow: hidden;
+		position: relative;
+		box-shadow: 0 2rpx 12rpx rgba(0, 0, 0, 0.05);
 	}
-	.coupon-info {
-		flex: 1;
+	.coupon-card-bg {
+		position: absolute;
+		top: 0;
+		left: 0;
+		width: 100%;
+		height: 100%;
+		z-index: 0;
 	}
-	.coupon-name {
-		font-size: 32rpx;
-		font-weight: bold;
-		color: #333;
-		margin-bottom: 8rpx;
-	}
-	.coupon-store,
-	.coupon-code,
-	.coupon-expire {
-		font-size: 24rpx;
-		color: #999;
-		margin-bottom: 4rpx;
-	}
-	.coupon-action {
-		margin-left: 20rpx;
-		flex-shrink: 0;
-	}
-	.btn {
-		border-radius: 8rpx;
-		font-size: 24rpx;
-	}
-	.btn-primary {
-		background: #007aff;
-		color: #fff;
-	}
-	.btn-ygl {
-		background: #ff9500;
-		color: #fff;
-	}
-	.ygl-action {
+	/* 左侧标签 */
+	.coupon-left {
+		width: 160rpx;
 		display: flex;
 		flex-direction: column;
 		align-items: center;
+		justify-content: center;
+		padding: 24rpx 0 24rpx 20rpx;
+		flex-shrink: 0;
+		position: relative;
+		z-index: 1;
 	}
-	.ygl-tip {
-		font-size: 20rpx;
-		color: #999;
+	.coupon-price {
+		font-size: 65rpx;
+		font-weight: bold;
+		color: #E8C7AA;
+		line-height: 1.2;
+	}
+	.coupon-type-label {
+		font-size: 32rpx;
+		color: #E8C7AA;
+		margin-top: 6rpx;
+	}
+	/* 右侧信息 */
+	.coupon-right {
+		flex: 1;
+		padding: 24rpx 24rpx 20rpx;
+		display: flex;
+		margin-left: 20rpx;
+		flex-direction: column;
+		min-width: 0;
+		position: relative;
+		z-index: 1;
+	}
+	.coupon-name {
+		font-size: 36rpx;
+		font-weight: bold;
+		color: #FFFFFF;
 		margin-bottom: 8rpx;
+		overflow: hidden;
+		text-overflow: ellipsis;
+		white-space: nowrap;
+	}
+	.coupon-info {
+		font-size: 26rpx;
+		color: #FFFFFF;
+		line-height: 1.6;
+	}
+	.coupon-bottom {
+		display: flex;
+		justify-content: flex-end;
+		align-items: center;
+		margin-top: 12rpx;
+	}
+	.ygl-tip-text {
+		flex: 1;
+	}
+	.action-btn {
+		background: #FFF8E8;
+		border-radius: 10rpx;
+		padding: 10rpx 28rpx;
+	}
+	.action-btn:active {
+		opacity: 0.8;
+	}
+	.action-btn-text {
+		font-size: 24rpx;
+		color: #E8C7AA;
+		font-weight: 500;
 	}
 </style>
diff --git a/miniapp/manifest.json b/miniapp/manifest.json
index 86d58b2..14e9e49 100644
--- a/miniapp/manifest.json
+++ b/miniapp/manifest.json
@@ -1,5 +1,5 @@
 {
-    "name" : "黄岩停车积分",
+    "name" : "黄岩智惠停",
     "appid" : "__UNI__F1854F8",
     "description" : "黄岩停车积分兑换微信小程序",
     "versionName" : "1.0.0",
diff --git a/miniapp/pages/coupon/my-coupons.vue b/miniapp/pages/coupon/my-coupons.vue
index 6ebf1aa..d5469e5 100644
--- a/miniapp/pages/coupon/my-coupons.vue
+++ b/miniapp/pages/coupon/my-coupons.vue
@@ -1,7 +1,7 @@
 <template>
 	<view class="coupons-page">
 		<NavBar title="我的优惠券" />
-		<!-- 状态标签页 -->
+		<!-- 状态标签页 - 胶囊样式 -->
 		<view class="tabs">
 			<view
 				class="tab-item"
@@ -21,7 +21,20 @@
 		</view>
 
 		<!-- 筛选栏 -->
-		<FilterBar :filters="filters" @change="onFilterChange" />
+		<view class="filter-row">
+			<picker :range="storeOptions" range-key="label" @change="onStoreChange">
+				<view class="filter-item">
+					<text class="filter-text">适用门店：{{ currentStoreName }}</text>
+					<text class="filter-arrow">∨</text>
+				</view>
+			</picker>
+			<picker :range="typeOptions" range-key="label" @change="onTypeChange">
+				<view class="filter-item">
+					<text class="filter-text">类型：{{ currentTypeName }}</text>
+					<text class="filter-arrow">∨</text>
+				</view>
+			</picker>
+		</view>
 
 		<!-- 优惠券列表 -->
 		<view class="coupon-list">
@@ -49,37 +62,26 @@
 	import { getStores } from '@/api/store'
 	import CouponCard from '@/components/CouponCard.vue'
 	import QrcodePopup from '@/components/QrcodePopup.vue'
-	import FilterBar from '@/components/FilterBar.vue'
 	import NavBar from '@/components/NavBar.vue'
 
 	export default {
-		components: { CouponCard, QrcodePopup, FilterBar, NavBar },
+		components: { CouponCard, QrcodePopup, NavBar },
 		data() {
 			return {
 				loading: false,
 				currentStatus: 'unused',
 				currentStoreId: '',
+				currentStoreName: '全部',
 				currentType: '',
+				currentTypeName: '全部',
 				coupons: [],
 				qrcodeVisible: false,
 				currentCoupon: {},
-				filters: [
-					{
-						label: '门店',
-						key: 'storeId',
-						options: [{ label: '全部门店', value: '' }],
-						selectedIndex: 0
-					},
-					{
-						label: '类型',
-						key: 'type',
-						options: [
-							{ label: '全部类型', value: '' },
-							{ label: '免费券', value: 'free' },
-							{ label: '抵扣券', value: 'discount' }
-						],
-						selectedIndex: 0
-					}
+				storeOptions: [{ label: '全部', value: '' }],
+				typeOptions: [
+					{ label: '全部', value: '' },
+					{ label: '免费券', value: 'free' },
+					{ label: '抵扣券', value: 'discount' }
 				]
 			}
 		},
@@ -93,8 +95,8 @@
 				try {
 					const res = await getStores()
 					const stores = res.data || res || []
-					this.filters[0].options = [
-						{ label: '全部门店', value: '' },
+					this.storeOptions = [
+						{ label: '全部', value: '' },
 						...stores.map(s => ({ label: s.name, value: s.id }))
 					]
 				} catch (err) {
@@ -124,14 +126,21 @@
 				this.loadCoupons()
 			},
 
-			/** 筛选变更 */
-			onFilterChange({ key, value, filterIndex, selectedIndex }) {
-				if (key === 'storeId') {
-					this.currentStoreId = value
-				} else if (key === 'type') {
-					this.currentType = value
-				}
-				this.filters[filterIndex].selectedIndex = selectedIndex
+			/** 门店筛选变更 */
+			onStoreChange(e) {
+				const idx = e.detail.value
+				const opt = this.storeOptions[idx]
+				this.currentStoreId = opt.value
+				this.currentStoreName = opt.label
+				this.loadCoupons()
+			},
+
+			/** 类型筛选变更 */
+			onTypeChange(e) {
+				const idx = e.detail.value
+				const opt = this.typeOptions[idx]
+				this.currentType = opt.value
+				this.currentTypeName = opt.label
 				this.loadCoupons()
 			},
 
@@ -146,7 +155,7 @@
 				uni.navigateToMiniProgram({
 					appId: 'wx8c943e2e64e04284',
 					fail: () => {
-						uni.showToast({ title: '跳转驿公里失败', icon: 'none' })
+						uni.showToast({ title: '跳转驿公里洗车小程序失败', icon: 'none' })
 					}
 				})
 			}
@@ -156,33 +165,57 @@
 
 <style scoped>
 	.coupons-page {
-		padding: 20rpx;
+		padding: 20rpx 24rpx;
+		background: #f5f5f5;
+		min-height: 100vh;
 	}
+	/* 胶囊标签 */
 	.tabs {
 		display: flex;
-		background: #fff;
-		border-radius: 12rpx;
-		margin-bottom: 16rpx;
-		overflow: hidden;
+		gap: 16rpx;
+		margin-bottom: 20rpx;
 	}
 	.tab-item {
-		flex: 1;
-		text-align: center;
-		padding: 20rpx 0;
+		padding: 12rpx 32rpx;
 		font-size: 28rpx;
 		color: #666;
+		background: #fff;
+		border-radius: 40rpx;
+		border: 2rpx solid #eee;
 	}
 	.tab-item.active {
-		color: #007aff;
+		color: #C88A00;
 		font-weight: bold;
-		border-bottom: 4rpx solid #007aff;
+		background: #FFF8E1;
+		border-color: #FFCC00;
 	}
+	/* 筛选行 */
+	.filter-row {
+		display: flex;
+		justify-content: space-between;
+		margin-bottom: 20rpx;
+	}
+	.filter-item {
+		display: flex;
+		align-items: center;
+		gap: 6rpx;
+	}
+	.filter-text {
+		font-size: 28rpx;
+		color: #333;
+		font-weight: 500;
+	}
+	.filter-arrow {
+		font-size: 24rpx;
+		color: #999;
+	}
+	/* 列表 */
 	.coupon-list {
 		padding-bottom: 20rpx;
 	}
 	.empty-tip {
 		text-align: center;
-		padding: 60rpx 0;
+		padding: 100rpx 0;
 		color: #999;
 		font-size: 28rpx;
 	}
diff --git a/miniapp/pages/coupon/store-coupons.vue b/miniapp/pages/coupon/store-coupons.vue
index d53d836..cbec4e6 100644
--- a/miniapp/pages/coupon/store-coupons.vue
+++ b/miniapp/pages/coupon/store-coupons.vue
@@ -28,7 +28,7 @@
 					<text class="coupon-info">券码：{{ coupon.code }}</text>
 					<text
 						class="coupon-info">有效期：{{ formatDate(coupon.exchangedAt) }}至{{ formatDate(coupon.expiredAt) }}</text>
-					<text class="coupon-info" v-if="coupon.source === 'ygl'">使用方式：请在驿公里App中使用</text>
+					<text class="coupon-info" v-if="coupon.source === 'ygl'">使用方式：请在驿公里洗车小程序中使用</text>
 					<view class="coupon-bottom">
 						<view v-if="coupon.source === 'platform'" class="action-btn" @click="openQrcode(coupon)">
 							<text class="action-btn-text">二维码</text>
@@ -113,7 +113,7 @@
 					appId: 'wx8c943e2e64e04284',
 					fail: () => {
 						uni.showToast({
-							title: '跳转驿公里失败',
+							title: '跳转驿公里洗车小程序失败',
 							icon: 'none'
 						})
 					}
diff --git a/miniapp/pages/login/index.vue b/miniapp/pages/login/index.vue
index 8ef1b5b..1f02428 100644
--- a/miniapp/pages/login/index.vue
+++ b/miniapp/pages/login/index.vue
@@ -165,9 +165,14 @@
 		font-weight: 500;
 		border-radius: 48rpx;
 		border: none;
+		outline: none;
 		margin-bottom: 28rpx;
 	}
 
+	.btn-login::after {
+		border: none;
+	}
+
 	.btn-login[disabled] {
 		opacity: 0.6;
 	}
diff --git a/miniapp/pages/login/role-select.vue b/miniapp/pages/login/role-select.vue
index db0b475..2206286 100644
--- a/miniapp/pages/login/role-select.vue
+++ b/miniapp/pages/login/role-select.vue
@@ -37,7 +37,7 @@
 					uni.reLaunch({ url: '/pages/merchant/index' })
 				} else {
 					// 用户跳转首页
-					uni.switchTab({ url: '/pages/home/index' })
+					uni.switchTab({ url: '/pages/index/index' })
 				}
 			}
 		}
diff --git a/miniapp/pages/merchant/index.vue b/miniapp/pages/merchant/index.vue
index 7bf4a18..2930623 100644
--- a/miniapp/pages/merchant/index.vue
+++ b/miniapp/pages/merchant/index.vue
@@ -28,6 +28,15 @@
 			<text class="record-arrow">›</text>
 		</view>
 
+		<!-- 退出登录 -->
+		<view class="record-entry logout-entry" @click="handleLogout">
+			<view style="display:flex;align-items:center">
+				<image src="/static/login_out.png" class="logout-icon" />
+				<text class="record-label">退出登录</text>
+			</view>
+			<text class="record-arrow">›</text>
+		</view>
+
 		<!-- 券码输入弹窗 -->
 		<view class="dialog-mask" v-if="showCodeInput" @click="closeCodeInput">
 			<view class="code-input-dialog" @click.stop>
@@ -73,8 +82,8 @@
 </template>
 
 <script>
-	import { scanVerify, codeVerify } from '@/api/verify'
-	import { getUserInfo, setLoginInfo, getToken } from '@/utils/auth'
+	import { scanVerify, codeVerify, previewCoupon } from '@/api/verify'
+	import { getUserInfo, setLoginInfo, getToken, clearAuth } from '@/utils/auth'
 	import { checkMerchant } from '@/api/auth'
 	import ConfirmDialog from '@/components/ConfirmDialog.vue'
 	import NavBar from '@/components/NavBar.vue'
@@ -134,17 +143,13 @@
 				uni.scanCode({
 					onlyFromCamera: true,
 					scanType: ['qrCode'],
-					success: (res) => {
+					success: async (res) => {
 						const code = res.result
 						if (!code) {
 							this.showResult(false, '未识别到有效二维码')
 							return
 						}
-						// 弹出核销确认
-						this.pendingCode = code
-						this.pendingType = 'scan'
-						this.confirmMessage = `确认核销券码：${code}？`
-						this.confirmVisible = true
+						await this.previewAndConfirm(code, 'scan')
 					},
 					fail: (err) => {
 						// 用户拒绝相机权限或取消扫码
@@ -162,7 +167,7 @@
 			},
 
 			/** 提交券码 */
-			submitCode() {
+			async submitCode() {
 				const code = this.inputCode.trim()
 				if (!code) {
 					uni.showToast({ title: '请输入券码', icon: 'none' })
@@ -173,10 +178,27 @@
 					return
 				}
 				this.showCodeInput = false
-				this.pendingCode = code
-				this.pendingType = 'code'
-				this.confirmMessage = `确认核销券码：${code}？`
-				this.confirmVisible = true
+				await this.previewAndConfirm(code, 'code')
+			},
+
+			/** 查询券码信息并弹出确认 */
+			async previewAndConfirm(code, type) {
+				uni.showLoading({ title: '查询中...' })
+				try {
+					const res = await previewCoupon(code)
+					const info = res.data || res || {}
+					const validEnd = info.validEnd ? info.validEnd.substring(0, 10) : '未知'
+					const isPermanent = info.validEnd && new Date(info.validEnd).getFullYear() >= 2099
+					this.pendingCode = code
+					this.pendingType = type
+					this.confirmMessage = `优惠券名称：${info.couponName || '未知'}\n券码：${code}\n有效期至：${isPermanent ? '永久有效' : validEnd}\n\n确认核销该优惠券？`
+					this.confirmVisible = true
+				} catch (err) {
+					const msg = (err && err.message) || '查询券码失败'
+					this.showResult(false, msg)
+				} finally {
+					uni.hideLoading()
+				}
 			},
 
 			/** 执行核销 */
@@ -213,6 +235,20 @@
 			/** 跳转核销记录页 */
 			gotoRecords() {
 				uni.navigateTo({ url: '/pages/merchant/records' })
+			},
+
+			/** 退出登录 */
+			handleLogout() {
+				uni.showModal({
+					title: '提示',
+					content: '确定要退出登录吗？',
+					success: (res) => {
+						if (res.confirm) {
+							clearAuth()
+							uni.reLaunch({ url: '/pages/index/index' })
+						}
+					}
+				})
 			}
 		}
 	}
@@ -288,6 +324,14 @@
 		font-size: 36rpx;
 		color: #ccc;
 	}
+	.logout-entry {
+		margin-top: 20rpx;
+	}
+	.logout-icon {
+		width: 36rpx;
+		height: 36rpx;
+		margin-right: 12rpx;
+	}
 	/* 券码输入弹窗 */
 	.dialog-mask {
 		position: fixed;
diff --git a/miniapp/pages/mine/index.vue b/miniapp/pages/mine/index.vue
index 6b494c8..59027cf 100644
--- a/miniapp/pages/mine/index.vue
+++ b/miniapp/pages/mine/index.vue
@@ -48,11 +48,18 @@
 				<text class="menu-text">隐私政策</text>
 				<text class="arrow-right">›</text>
 			</view>
+			<view v-if="isLogin && userInfo.isMerchant" class="menu-item" @click="goRoleSelect">
+				<image class="menu-icon" src="/static/ic_pitch.png" mode="aspectFit" />
+				<text class="menu-text">切换身份</text>
+				<text class="arrow-right">›</text>
+			</view>
+			<view v-if="isLogin" class="menu-item" @click="showLogoutConfirm">
+				<image class="menu-icon" src="/static/login_out.png" mode="aspectFit" />
+				<text class="menu-text">退出登录</text>
+				<text class="arrow-right">›</text>
+			</view>
 		</view>
 
-		<!-- 退出登录 -->
-		<button v-if="isLogin" class="btn-logout" @click="showLogoutConfirm">退出登录</button>
-
 		<!-- 退出确认弹窗 -->
 		<ConfirmDialog
 			:visible="logoutVisible"
@@ -132,6 +139,11 @@
 				uni.navigateTo({ url: `/pages/mine/agreement?type=${type}` })
 			},
 
+			/** 切换身份 */
+			goRoleSelect() {
+				uni.navigateTo({ url: '/pages/login/role-select' })
+			},
+
 			/** 显示退出确认弹窗 */
 			showLogoutConfirm() {
 				this.logoutVisible = true
@@ -250,13 +262,6 @@
 		font-size: 30rpx;
 		color: #333;
 	}
-	.btn-logout {
-		background: #fff;
-		color: #ff3b30;
-		font-size: 30rpx;
-		border-radius: 16rpx;
-		margin-top: 20rpx;
-	}
 	.contact-btn {
 		position: absolute;
 		top: 0;
diff --git a/miniapp/pages/points/index.vue b/miniapp/pages/points/index.vue
index af4ec13..c8a5ee0 100644
--- a/miniapp/pages/points/index.vue
+++ b/miniapp/pages/points/index.vue
@@ -47,9 +47,9 @@
 				<view class="coupon-right">
 					<text class="coupon-name">{{ item.name }}</text>
 					<text
-						class="coupon-info">有效期：{{ formatDate(item.validStart) }}至{{ formatDate(item.validEnd) }}</text>
+						class="coupon-info">有效期：{{ isPermanent(item) ? '永久有效' : formatDate(item.validStart) + '至' + formatDate(item.validEnd) }}</text>
 					<text class="coupon-info">剩余数量：{{ item.remainingCount }} 张</text>
-					<text class="coupon-info" v-if="item.source === 'ygl'">使用方式：请在驿公里App中使用</text>
+					<text class="coupon-info" v-if="item.source === 'ygl'">使用方式：请在驿公里洗车小程序中使用</text>
 					<view class="coupon-bottom">
 						<view class="exchange-btn" @click="onExchange(item)"
 							:class="{ disabled: item.remainingCount <= 0 }">
@@ -73,7 +73,7 @@
 			@cancel="confirmVisible = false" />
 
 		<!-- 驿公里券提示弹窗 -->
-		<ConfirmDialog :visible="yglTipVisible" title="温馨提示" message="该优惠券为驿公里券，兑换后需在驿公里APP/小程序中使用，确定兑换吗？"
+		<ConfirmDialog :visible="yglTipVisible" title="温馨提示" message="该优惠券为驿公里券，兑换后需在驿公里洗车小程序中使用，确定兑换吗？"
 			@confirm="doExchangeYgl" @cancel="yglTipVisible = false" />
 	</view>
 </template>
@@ -119,13 +119,20 @@
 				confirmMessage: '',
 				yglTipVisible: false,
 				currentItem: null,
+				selectedStoreId: null,
 				pointsBgUrl: ''
 			}
 		},
 		computed: {
 			filteredList() {
 				if (!this.currentStoreId) return this.availableList
-				return this.availableList.filter(item => item.storeId == this.currentStoreId)
+				// 筛选包含该门店的优惠券
+				return this.availableList.filter(item => {
+					if (item.stores && item.stores.length) {
+						return item.stores.some(s => s.id == this.currentStoreId)
+					}
+					return false
+				})
 			}
 		},
 		onShow() {
@@ -136,6 +143,10 @@
 				if (!d) return ''
 				return d.substring(0, 10)
 			},
+			isPermanent(item) {
+				if (!item.validEnd) return false
+				return new Date(item.validEnd).getFullYear() >= 2099
+			},
 			async loadData() {
 				this.loading = true
 				try {
@@ -197,6 +208,31 @@
 					return
 				}
 				this.currentItem = item
+
+				// 多门店时需要先选择门店
+				const stores = item.stores || []
+				if (stores.length === 0) {
+					uni.showToast({ title: '该优惠券未配置门店', icon: 'none' })
+					return
+				}
+
+				if (stores.length === 1) {
+					// 只有一个门店，直接使用
+					this.selectedStoreId = stores[0].id
+					this.showExchangeConfirm(item)
+				} else {
+					// 多个门店，弹出选择
+					const names = stores.map(s => s.name)
+					uni.showActionSheet({
+						itemList: names,
+						success: (res) => {
+							this.selectedStoreId = stores[res.tapIndex].id
+							this.showExchangeConfirm(item)
+						}
+					})
+				}
+			},
+			showExchangeConfirm(item) {
 				if (item.source === 'ygl') {
 					this.yglTipVisible = true
 				} else {
@@ -213,10 +249,11 @@
 				await this.executeExchange()
 			},
 			async executeExchange() {
-				if (!this.currentItem) return
+				if (!this.currentItem || !this.selectedStoreId) return
 				try {
 					await exchange({
-						templateId: this.currentItem.id
+						templateId: this.currentItem.id,
+						storeId: this.selectedStoreId
 					})
 					uni.showToast({
 						title: '兑换成功',
diff --git a/miniapp/static/login_out.png b/miniapp/static/login_out.png
new file mode 100644
index 0000000..d6e33f7
Binary files /dev/null and b/miniapp/static/login_out.png differ
diff --git a/miniapp/static/logo.png b/miniapp/static/logo.png
index b5771e2..63bb749 100644
Binary files a/miniapp/static/logo.png and b/miniapp/static/logo.png differ
diff --git a/miniapp/utils/request.js b/miniapp/utils/request.js
index 830eb84..4f3b4f7 100644
--- a/miniapp/utils/request.js
+++ b/miniapp/utils/request.js
@@ -4,8 +4,8 @@
  */
 
 // 后台 API 基础地址，按环境配置
-// const BASE_URL = 'http://localhost:5030'
-const BASE_URL = 'https://api.pli.shhmkjgs.cn'
+const BASE_URL = 'http://localhost:5030'
+// const BASE_URL = 'https://api.pli.shhmkjgs.cn'
 
 // 请求超时时间（毫秒）
 const TIMEOUT = 10000
diff --git a/server/src/HuangyanParking.Api/Controllers/AdminController.cs b/server/src/HuangyanParking.Api/Controllers/AdminController.cs
index a27ab8d..8373373 100644
--- a/server/src/HuangyanParking.Api/Controllers/AdminController.cs
+++ b/server/src/HuangyanParking.Api/Controllers/AdminController.cs
@@ -176,20 +176,12 @@ public class AdminController : ControllerBase
         store.Photo = request.Photo;
         store.Address = request.Address;
         store.Phone = request.Phone;
+        store.Latitude = request.Latitude;
+        store.Longitude = request.Longitude;
         store.Type = request.Type;
         store.IsActive = request.IsActive;
         store.UpdatedAt = DateTime.UtcNow;
 
-        if (addressChanged && !string.IsNullOrEmpty(request.Address))
-        {
-            var location = await _geocodingService.GeocodeAsync(request.Address);
-            if (location is not null)
-            {
-                store.Latitude = location.Latitude;
-                store.Longitude = location.Longitude;
-            }
-        }
-
         await _db.SaveChangesAsync();
         return Ok(ApiResponse<Store>.Ok(store));
     }
@@ -292,13 +284,25 @@ public class AdminController : ControllerBase
 
     /// <summary>获取优惠券模板列表</summary>
     [HttpGet("coupon-templates")]
-    public async Task<ActionResult<ApiResponse<List<CouponTemplate>>>> GetCouponTemplates()
+    public async Task<ActionResult<ApiResponse<List<object>>>> GetCouponTemplates()
     {
         var templates = await _db.CouponTemplates
-            .Include(t => t.Store)
+            .Include(t => t.TemplateStores).ThenInclude(ts => ts.Store)
             .OrderByDescending(t => t.CreatedAt)
             .ToListAsync();
-        return Ok(ApiResponse<List<CouponTemplate>>.Ok(templates));
+
+        // 返回包含门店列表的响应
+        var result = templates.Select(t => new
+        {
+            t.Id, t.Name, t.CouponType, t.DiscountAmount,
+            t.ValidStart, t.ValidEnd, t.TotalCount, t.RemainingCount,
+            t.PointsCost, t.Source, t.YglTicketPackageCode, t.IsActive,
+            t.CreatedAt, t.UpdatedAt,
+            StoreIds = t.TemplateStores.Select(ts => ts.StoreId).ToList(),
+            StoreNames = string.Join("、", t.TemplateStores.Select(ts => ts.Store.Name))
+        }).ToList();
+
+        return Ok(ApiResponse<List<object>>.Ok(result.Cast<object>().ToList()));
     }
 
     /// <summary>创建优惠券模板</summary>
@@ -310,11 +314,10 @@ public class AdminController : ControllerBase
             Name = request.Name,
             CouponType = request.CouponType,
             DiscountAmount = request.DiscountAmount,
-            StoreId = request.StoreId,
             ValidStart = request.ValidStart,
             ValidEnd = request.ValidEnd,
             TotalCount = request.TotalCount,
-            RemainingCount = request.TotalCount, // 初始剩余=总数
+            RemainingCount = request.TotalCount,
             PointsCost = request.PointsCost,
             Source = request.Source,
             YglTicketPackageCode = request.YglTicketPackageCode,
@@ -322,6 +325,18 @@ public class AdminController : ControllerBase
         };
         _db.CouponTemplates.Add(template);
         await _db.SaveChangesAsync();
+
+        // 添加门店关联
+        foreach (var storeId in request.StoreIds)
+        {
+            _db.CouponTemplateStores.Add(new CouponTemplateStore
+            {
+                CouponTemplateId = template.Id,
+                StoreId = storeId
+            });
+        }
+        await _db.SaveChangesAsync();
+
         return Ok(ApiResponse<CouponTemplate>.Ok(template));
     }
 
@@ -329,7 +344,9 @@ public class AdminController : ControllerBase
     [HttpPut("coupon-templates/{id}")]
     public async Task<ActionResult<ApiResponse<CouponTemplate>>> UpdateCouponTemplate(int id, [FromBody] AdminCouponTemplateRequest request)
     {
-        var template = await _db.CouponTemplates.FindAsync(id);
+        var template = await _db.CouponTemplates
+            .Include(t => t.TemplateStores)
+            .FirstOrDefaultAsync(t => t.Id == id);
         if (template is null)
             return NotFound(ApiResponse<CouponTemplate>.Fail("优惠券模板不存在"));
 
@@ -338,7 +355,6 @@ public class AdminController : ControllerBase
         template.Name = request.Name;
         template.CouponType = request.CouponType;
         template.DiscountAmount = request.DiscountAmount;
-        template.StoreId = request.StoreId;
         template.ValidStart = request.ValidStart;
         template.ValidEnd = request.ValidEnd;
         template.TotalCount = request.TotalCount;
@@ -348,6 +364,18 @@ public class AdminController : ControllerBase
         template.YglTicketPackageCode = request.YglTicketPackageCode;
         template.IsActive = request.IsActive;
         template.UpdatedAt = DateTime.UtcNow;
+
+        // 更新门店关联：先删后加
+        _db.CouponTemplateStores.RemoveRange(template.TemplateStores);
+        foreach (var storeId in request.StoreIds)
+        {
+            _db.CouponTemplateStores.Add(new CouponTemplateStore
+            {
+                CouponTemplateId = template.Id,
+                StoreId = storeId
+            });
+        }
+
         await _db.SaveChangesAsync();
         return Ok(ApiResponse<CouponTemplate>.Ok(template));
     }
@@ -462,7 +490,7 @@ public class AdminController : ControllerBase
             .AsQueryable();
 
         if (!string.IsNullOrEmpty(userPhone))
-            query = query.Where(c => c.User.Phone.Contains(userPhone));
+            query = query.Where(c => c.User.Phone.Contains(userPhone) || c.User.Uid.Contains(userPhone));
         if (storeId.HasValue)
             query = query.Where(c => c.StoreId == storeId.Value);
         if (!string.IsNullOrEmpty(status))
@@ -475,6 +503,7 @@ public class AdminController : ControllerBase
                 Id = c.Id,
                 Code = c.Code,
                 TemplateName = c.Template.Name,
+                UserUid = c.User.Uid,
                 UserPhone = c.User.Phone,
                 StoreName = c.Store.Name,
                 Status = c.Status,
@@ -556,7 +585,22 @@ public class AdminController : ControllerBase
 
         if (request.Nickname != null) user.Nickname = request.Nickname;
         if (request.Phone != null) user.Phone = request.Phone;
-        if (request.Points.HasValue) user.Points = request.Points.Value;
+
+        // 积分变更时创建积分记录
+        if (request.Points.HasValue && request.Points.Value != user.Points)
+        {
+            var delta = request.Points.Value - user.Points;
+            _db.PointsRecords.Add(new Domain.Entities.PointsRecord
+            {
+                UserId = user.Id,
+                Amount = delta,
+                Type = delta > 0 ? "income" : "expense",
+                Reason = "管理员调整积分",
+                CreatedAt = DateTime.UtcNow
+            });
+            user.Points = request.Points.Value;
+        }
+
         user.UpdatedAt = DateTime.UtcNow;
         await _db.SaveChangesAsync();
 
diff --git a/server/src/HuangyanParking.Api/Controllers/CouponController.cs b/server/src/HuangyanParking.Api/Controllers/CouponController.cs
index a746f6d..dc6727b 100644
--- a/server/src/HuangyanParking.Api/Controllers/CouponController.cs
+++ b/server/src/HuangyanParking.Api/Controllers/CouponController.cs
@@ -35,8 +35,11 @@ public class CouponController : ControllerBase
             Name = t.Name,
             CouponType = t.CouponType,
             DiscountAmount = t.DiscountAmount,
-            StoreName = t.Store.Name,
-            StoreId = t.StoreId,
+            Stores = t.TemplateStores.Select(ts => new CouponStoreInfo
+            {
+                Id = ts.Store.Id,
+                Name = ts.Store.Name
+            }).ToList(),
             ValidStart = t.ValidStart,
             ValidEnd = t.ValidEnd,
             RemainingCount = t.RemainingCount,
@@ -58,7 +61,7 @@ public class CouponController : ControllerBase
 
         try
         {
-            var coupon = await _couponService.ExchangeAsync(userId, request.TemplateId);
+            var coupon = await _couponService.ExchangeAsync(userId, request.TemplateId, request.StoreId);
             var response = new UserCouponResponse
             {
                 Id = coupon.Id,
@@ -70,6 +73,8 @@ public class CouponController : ControllerBase
                 StoreId = coupon.StoreId,
                 Status = coupon.Status,
                 Source = coupon.Source,
+                ValidStart = coupon.Template?.ValidStart,
+                ValidEnd = coupon.Template?.ValidEnd,
                 ExchangedAt = coupon.ExchangedAt,
                 UsedAt = coupon.UsedAt,
                 ExpiredAt = coupon.ExpiredAt
@@ -107,6 +112,8 @@ public class CouponController : ControllerBase
             StoreId = c.StoreId,
             Status = c.Status,
             Source = c.Source,
+            ValidStart = c.Template?.ValidStart,
+            ValidEnd = c.Template?.ValidEnd,
             ExchangedAt = c.ExchangedAt,
             UsedAt = c.UsedAt,
             ExpiredAt = c.ExpiredAt
@@ -136,6 +143,8 @@ public class CouponController : ControllerBase
             StoreId = c.StoreId,
             Status = c.Status,
             Source = c.Source,
+            ValidStart = c.Template?.ValidStart,
+            ValidEnd = c.Template?.ValidEnd,
             ExchangedAt = c.ExchangedAt,
             UsedAt = c.UsedAt,
             ExpiredAt = c.ExpiredAt
diff --git a/server/src/HuangyanParking.Api/Controllers/VerifyController.cs b/server/src/HuangyanParking.Api/Controllers/VerifyController.cs
index 5472471..8073695 100644
--- a/server/src/HuangyanParking.Api/Controllers/VerifyController.cs
+++ b/server/src/HuangyanParking.Api/Controllers/VerifyController.cs
@@ -1,8 +1,10 @@
 using System.Security.Claims;
 using HuangyanParking.Api.Models;
 using HuangyanParking.Domain.Services;
+using HuangyanParking.Infrastructure.Data;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
+using Microsoft.EntityFrameworkCore;
 
 namespace HuangyanParking.Api.Controllers;
 
@@ -15,10 +17,41 @@ namespace HuangyanParking.Api.Controllers;
 public class VerifyController : ControllerBase
 {
     private readonly IVerifyService _verifyService;
+    private readonly AppDbContext _db;
 
-    public VerifyController(IVerifyService verifyService)
+    public VerifyController(IVerifyService verifyService, AppDbContext db)
     {
         _verifyService = verifyService;
+        _db = db;
+    }
+
+    /// <summary>
+    /// 根据券码查询优惠券信息（核销前预览）
+    /// GET /api/verify/preview?code=xxx
+    /// </summary>
+    [HttpGet("preview")]
+    public async Task<ActionResult<ApiResponse<CouponPreviewResponse>>> Preview([FromQuery] string code)
+    {
+        if (string.IsNullOrWhiteSpace(code))
+            return BadRequest(ApiResponse<CouponPreviewResponse>.Fail("券码不能为空"));
+
+        var coupon = await _db.Coupons
+            .Include(c => c.Template)
+            .Include(c => c.Store)
+            .FirstOrDefaultAsync(c => c.Code == code);
+
+        if (coupon == null)
+            return NotFound(ApiResponse<CouponPreviewResponse>.Fail("未找到该券码对应的优惠券"));
+
+        return Ok(ApiResponse<CouponPreviewResponse>.Ok(new CouponPreviewResponse
+        {
+            CouponName = coupon.Template?.Name ?? string.Empty,
+            CouponCode = coupon.Code,
+            CouponType = coupon.Template?.CouponType ?? string.Empty,
+            DiscountAmount = coupon.Template?.DiscountAmount ?? 0,
+            StoreName = coupon.Store?.Name ?? string.Empty,
+            ValidEnd = coupon.Template?.ValidEnd
+        }));
     }
 
     /// <summary>
diff --git a/server/src/HuangyanParking.Api/Models/AdminModels.cs b/server/src/HuangyanParking.Api/Models/AdminModels.cs
index 7ccc6b7..ebc28c0 100644
--- a/server/src/HuangyanParking.Api/Models/AdminModels.cs
+++ b/server/src/HuangyanParking.Api/Models/AdminModels.cs
@@ -104,8 +104,8 @@ public class AdminCouponTemplateRequest
     /// <summary>抵扣金额（抵扣券）</summary>
     public decimal DiscountAmount { get; set; }
 
-    /// <summary>适用门店ID</summary>
-    public int StoreId { get; set; }
+    /// <summary>适用门店ID列表（多选）</summary>
+    public List<int> StoreIds { get; set; } = [];
 
     /// <summary>有效期开始</summary>
     public DateTime ValidStart { get; set; }
@@ -179,6 +179,7 @@ public class AdminCouponResponse
     public int Id { get; set; }
     public string Code { get; set; } = string.Empty;
     public string TemplateName { get; set; } = string.Empty;
+    public string UserUid { get; set; } = string.Empty;
     public string UserPhone { get; set; } = string.Empty;
     public string StoreName { get; set; } = string.Empty;
     public string Status { get; set; } = string.Empty;
diff --git a/server/src/HuangyanParking.Api/Models/CouponModels.cs b/server/src/HuangyanParking.Api/Models/CouponModels.cs
index 6929d4d..dd69996 100644
--- a/server/src/HuangyanParking.Api/Models/CouponModels.cs
+++ b/server/src/HuangyanParking.Api/Models/CouponModels.cs
@@ -7,6 +7,9 @@ public class ExchangeCouponRequest
 {
     /// <summary>优惠券模板ID</summary>
     public int TemplateId { get; set; }
+
+    /// <summary>选择的门店ID</summary>
+    public int StoreId { get; set; }
 }
 
 /// <summary>
@@ -18,8 +21,8 @@ public class AvailableCouponResponse
     public string Name { get; set; } = string.Empty;
     public string CouponType { get; set; } = string.Empty;
     public decimal DiscountAmount { get; set; }
-    public string StoreName { get; set; } = string.Empty;
-    public int StoreId { get; set; }
+    /// <summary>适用门店列表</summary>
+    public List<CouponStoreInfo> Stores { get; set; } = [];
     public DateTime ValidStart { get; set; }
     public DateTime ValidEnd { get; set; }
     public int RemainingCount { get; set; }
@@ -27,6 +30,15 @@ public class AvailableCouponResponse
     public string Source { get; set; } = string.Empty;
 }
 
+/// <summary>
+/// 优惠券关联门店信息
+/// </summary>
+public class CouponStoreInfo
+{
+    public int Id { get; set; }
+    public string Name { get; set; } = string.Empty;
+}
+
 /// <summary>
 /// 用户优惠券响应
 /// </summary>
@@ -41,6 +53,8 @@ public class UserCouponResponse
     public int StoreId { get; set; }
     public string Status { get; set; } = string.Empty;
     public string Source { get; set; } = string.Empty;
+    public DateTime? ValidStart { get; set; }
+    public DateTime? ValidEnd { get; set; }
     public DateTime ExchangedAt { get; set; }
     public DateTime? UsedAt { get; set; }
     public DateTime ExpiredAt { get; set; }
diff --git a/server/src/HuangyanParking.Api/Models/VerifyModels.cs b/server/src/HuangyanParking.Api/Models/VerifyModels.cs
index 6ccce9a..c6c7e32 100644
--- a/server/src/HuangyanParking.Api/Models/VerifyModels.cs
+++ b/server/src/HuangyanParking.Api/Models/VerifyModels.cs
@@ -32,3 +32,16 @@ public class VerifyRecordResponse
     public string? UserPhone { get; set; }
     public DateTime VerifiedAt { get; set; }
 }
+
+/// <summary>
+/// 券码查询响应（核销前预览）
+/// </summary>
+public class CouponPreviewResponse
+{
+    public string CouponName { get; set; } = string.Empty;
+    public string CouponCode { get; set; } = string.Empty;
+    public string CouponType { get; set; } = string.Empty;
+    public decimal DiscountAmount { get; set; }
+    public string StoreName { get; set; } = string.Empty;
+    public DateTime? ValidEnd { get; set; }
+}
diff --git a/server/src/HuangyanParking.Api/Program.cs b/server/src/HuangyanParking.Api/Program.cs
index 61dec85..4e0ab1f 100644
--- a/server/src/HuangyanParking.Api/Program.cs
+++ b/server/src/HuangyanParking.Api/Program.cs
@@ -82,6 +82,77 @@ using (var scope = app.Services.CreateScope())
     var db = scope.ServiceProvider.GetRequiredService<AppDbContext>();
     db.Database.EnsureCreated();
 
+    // 数据库结构升级：优惠券模板支持多门店
+    try
+    {
+        // 创建中间表（如果不存在）
+        await db.Database.ExecuteSqlRawAsync(@"
+            IF NOT EXISTS (SELECT * FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME = 'coupon_template_stores')
+            BEGIN
+                CREATE TABLE coupon_template_stores (
+                    CouponTemplateId int NOT NULL,
+                    StoreId int NOT NULL,
+                    CONSTRAINT PK_coupon_template_stores PRIMARY KEY (CouponTemplateId, StoreId),
+                    CONSTRAINT FK_coupon_template_stores_coupon_templates FOREIGN KEY (CouponTemplateId) REFERENCES coupon_templates(Id) ON DELETE CASCADE,
+                    CONSTRAINT FK_coupon_template_stores_stores FOREIGN KEY (StoreId) REFERENCES stores(Id) ON DELETE CASCADE
+                );
+                -- 从旧的 StoreId 列迁移数据到中间表
+                IF EXISTS (SELECT * FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = 'coupon_templates' AND COLUMN_NAME = 'StoreId')
+                BEGIN
+                    INSERT INTO coupon_template_stores (CouponTemplateId, StoreId)
+                    SELECT Id, StoreId FROM coupon_templates WHERE StoreId IS NOT NULL AND StoreId > 0;
+                END
+            END");
+
+        // 删除旧的外键和列（如果存在）
+        await db.Database.ExecuteSqlRawAsync(@"
+            IF EXISTS (SELECT * FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = 'coupon_templates' AND COLUMN_NAME = 'StoreId')
+            BEGIN
+                -- 删除外键约束
+                DECLARE @fkName NVARCHAR(200);
+                SELECT @fkName = fk.name FROM sys.foreign_keys fk
+                    JOIN sys.foreign_key_columns fkc ON fk.object_id = fkc.constraint_object_id
+                    JOIN sys.columns c ON fkc.parent_column_id = c.column_id AND fkc.parent_object_id = c.object_id
+                    WHERE OBJECT_NAME(fk.parent_object_id) = 'coupon_templates' AND c.name = 'StoreId';
+                IF @fkName IS NOT NULL
+                    EXEC('ALTER TABLE coupon_templates DROP CONSTRAINT ' + @fkName);
+                -- 删除索引（如果有）
+                DECLARE @ixName NVARCHAR(200);
+                SELECT @ixName = i.name FROM sys.indexes i
+                    JOIN sys.index_columns ic ON i.object_id = ic.object_id AND i.index_id = ic.index_id
+                    JOIN sys.columns c ON ic.object_id = c.object_id AND ic.column_id = c.column_id
+                    WHERE OBJECT_NAME(i.object_id) = 'coupon_templates' AND c.name = 'StoreId' AND i.is_primary_key = 0;
+                IF @ixName IS NOT NULL
+                    EXEC('DROP INDEX ' + @ixName + ' ON coupon_templates');
+                -- 删除列
+                ALTER TABLE coupon_templates DROP COLUMN StoreId;
+            END");
+    }
+    catch (Exception ex)
+    {
+        Log.Warning(ex, "数据库结构升级时出现异常（可忽略）");
+    }
+
+    // 删除MinSpend字段（如果存在）
+    try
+    {
+        await db.Database.ExecuteSqlRawAsync(@"
+            IF EXISTS (SELECT * FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = 'coupon_templates' AND COLUMN_NAME = 'MinSpend')
+            BEGIN
+                DECLARE @dfName NVARCHAR(200);
+                SELECT @dfName = d.name FROM sys.default_constraints d
+                    JOIN sys.columns c ON d.parent_column_id = c.column_id AND d.parent_object_id = c.object_id
+                    WHERE OBJECT_NAME(d.parent_object_id) = 'coupon_templates' AND c.name = 'MinSpend';
+                IF @dfName IS NOT NULL
+                    EXEC('ALTER TABLE coupon_templates DROP CONSTRAINT ' + @dfName);
+                ALTER TABLE coupon_templates DROP COLUMN MinSpend;
+            END");
+    }
+    catch (Exception ex)
+    {
+        Log.Warning(ex, "删除MinSpend字段时出现异常（可忽略）");
+    }
+
     // 初始化默认管理员账号（如果不存在）
     if (!db.Admins.Any())
     {
diff --git a/server/src/HuangyanParking.Domain/Entities/CouponTemplate.cs b/server/src/HuangyanParking.Domain/Entities/CouponTemplate.cs
index 1b757b7..0428a53 100644
--- a/server/src/HuangyanParking.Domain/Entities/CouponTemplate.cs
+++ b/server/src/HuangyanParking.Domain/Entities/CouponTemplate.cs
@@ -16,9 +16,6 @@ public class CouponTemplate
     /// <summary>抵扣金额（抵扣券）</summary>
     public decimal DiscountAmount { get; set; }
 
-    /// <summary>适用门店</summary>
-    public int StoreId { get; set; }
-
     /// <summary>有效期开始</summary>
     public DateTime ValidStart { get; set; }
 
@@ -46,7 +43,20 @@ public class CouponTemplate
     public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
     public DateTime UpdatedAt { get; set; } = DateTime.UtcNow;
 
-    // 导航属性
-    public Store Store { get; set; } = null!;
+    // 导航属性 - 多对多门店关联
+    public ICollection<CouponTemplateStore> TemplateStores { get; set; } = [];
     public ICollection<Coupon> Coupons { get; set; } = [];
 }
+
+/// <summary>
+/// 优惠券模板-门店 多对多中间表
+/// </summary>
+public class CouponTemplateStore
+{
+    public int CouponTemplateId { get; set; }
+    public int StoreId { get; set; }
+
+    // 导航属性
+    public CouponTemplate CouponTemplate { get; set; } = null!;
+    public Store Store { get; set; } = null!;
+}
diff --git a/server/src/HuangyanParking.Domain/Entities/Store.cs b/server/src/HuangyanParking.Domain/Entities/Store.cs
index f5c1208..b06ee44 100644
--- a/server/src/HuangyanParking.Domain/Entities/Store.cs
+++ b/server/src/HuangyanParking.Domain/Entities/Store.cs
@@ -35,6 +35,6 @@ public class Store
     public DateTime UpdatedAt { get; set; } = DateTime.UtcNow;
 
     // 导航属性
-    public ICollection<CouponTemplate> CouponTemplates { get; set; } = [];
+    public ICollection<CouponTemplateStore> TemplateStores { get; set; } = [];
     public ICollection<Coupon> Coupons { get; set; } = [];
 }
diff --git a/server/src/HuangyanParking.Domain/Services/ICouponService.cs b/server/src/HuangyanParking.Domain/Services/ICouponService.cs
index 79ddcf3..aa7afe7 100644
--- a/server/src/HuangyanParking.Domain/Services/ICouponService.cs
+++ b/server/src/HuangyanParking.Domain/Services/ICouponService.cs
@@ -11,7 +11,7 @@ public interface ICouponService
     Task<List<CouponTemplate>> GetAvailableTemplatesAsync();
 
     /// <summary>兑换优惠券（积分校验+扣减+券码生成+驿公里API调用）</summary>
-    Task<Coupon> ExchangeAsync(int userId, int templateId);
+    Task<Coupon> ExchangeAsync(int userId, int templateId, int storeId);
 
     /// <summary>获取用户优惠券列表（支持状态/门店/类型筛选）</summary>
     Task<List<Coupon>> GetUserCouponsAsync(int userId, string? status = null, int? storeId = null, string? couponType = null);
diff --git a/server/src/HuangyanParking.Infrastructure/Data/AppDbContext.cs b/server/src/HuangyanParking.Infrastructure/Data/AppDbContext.cs
index ef0ff0d..21ffa64 100644
--- a/server/src/HuangyanParking.Infrastructure/Data/AppDbContext.cs
+++ b/server/src/HuangyanParking.Infrastructure/Data/AppDbContext.cs
@@ -15,6 +15,7 @@ public class AppDbContext : DbContext
     public DbSet<User> Users => Set<User>();
     public DbSet<Store> Stores => Set<Store>();
     public DbSet<CouponTemplate> CouponTemplates => Set<CouponTemplate>();
+    public DbSet<CouponTemplateStore> CouponTemplateStores => Set<CouponTemplateStore>();
     public DbSet<Coupon> Coupons => Set<Coupon>();
     public DbSet<PointsRecord> PointsRecords => Set<PointsRecord>();
     public DbSet<VerifyRecord> VerifyRecords => Set<VerifyRecord>();
@@ -64,7 +65,15 @@ public class AppDbContext : DbContext
             entity.Property(e => e.DiscountAmount).HasPrecision(10, 2);
             entity.Property(e => e.Source).HasMaxLength(20).IsRequired();
             entity.Property(e => e.YglTicketPackageCode).HasMaxLength(100);
-            entity.HasOne(e => e.Store).WithMany(s => s.CouponTemplates).HasForeignKey(e => e.StoreId).OnDelete(DeleteBehavior.Restrict);
+        });
+
+        // CouponTemplateStore 多对多中间表配置
+        modelBuilder.Entity<CouponTemplateStore>(entity =>
+        {
+            entity.ToTable("coupon_template_stores");
+            entity.HasKey(e => new { e.CouponTemplateId, e.StoreId });
+            entity.HasOne(e => e.CouponTemplate).WithMany(t => t.TemplateStores).HasForeignKey(e => e.CouponTemplateId).OnDelete(DeleteBehavior.Cascade);
+            entity.HasOne(e => e.Store).WithMany(s => s.TemplateStores).HasForeignKey(e => e.StoreId).OnDelete(DeleteBehavior.Cascade);
         });
 
         // Coupon 配置
diff --git a/server/src/HuangyanParking.Infrastructure/Services/CouponService.cs b/server/src/HuangyanParking.Infrastructure/Services/CouponService.cs
index fbb9d62..2db6044 100644
--- a/server/src/HuangyanParking.Infrastructure/Services/CouponService.cs
+++ b/server/src/HuangyanParking.Infrastructure/Services/CouponService.cs
@@ -34,7 +34,7 @@ public class CouponService : ICouponService
     {
         var now = DateTime.UtcNow;
         return await _db.CouponTemplates
-            .Include(t => t.Store)
+            .Include(t => t.TemplateStores).ThenInclude(ts => ts.Store)
             .Where(t => t.IsActive
                 && t.RemainingCount > 0
                 && t.ValidStart <= now
@@ -44,7 +44,7 @@ public class CouponService : ICouponService
     }
 
     /// <summary>兑换优惠券</summary>
-    public async Task<Coupon> ExchangeAsync(int userId, int templateId)
+    public async Task<Coupon> ExchangeAsync(int userId, int templateId, int storeId)
     {
         // 使用事务确保一致性
         await using var transaction = await _db.Database.BeginTransactionAsync();
@@ -52,7 +52,7 @@ public class CouponService : ICouponService
         try
         {
             var template = await _db.CouponTemplates
-                .Include(t => t.Store)
+                .Include(t => t.TemplateStores)
                 .FirstOrDefaultAsync(t => t.Id == templateId)
                 ?? throw new InvalidOperationException("优惠券模板不存在");
 
@@ -66,6 +66,10 @@ public class CouponService : ICouponService
             if (now < template.ValidStart || now > template.ValidEnd)
                 throw new InvalidOperationException("优惠券不在有效期内");
 
+            // 校验门店是否属于该模板
+            if (!template.TemplateStores.Any(ts => ts.StoreId == storeId))
+                throw new InvalidOperationException("所选门店不适用于该优惠券");
+
             // 校验积分
             var user = await _db.Users.FindAsync(userId)
                 ?? throw new InvalidOperationException("用户不存在");
@@ -83,7 +87,7 @@ public class CouponService : ICouponService
                 Code = code,
                 TemplateId = templateId,
                 UserId = userId,
-                StoreId = template.StoreId,
+                StoreId = storeId,
                 Source = template.Source,
                 ExchangedAt = now,
                 ExpiredAt = template.ValidEnd,
@@ -120,7 +124,7 @@ public class CouponService : ICouponService
                     userId, template.PointsCost,
                     $"兑换优惠券：{template.Name}",
                     couponId: coupon.Id,
-                    storeId: template.StoreId);
+                    storeId: storeId);
             }
             await transaction.CommitAsync();
 
diff --git a/server/src/HuangyanParking.Infrastructure/Services/YglService.cs b/server/src/HuangyanParking.Infrastructure/Services/YglService.cs
index 62e0a14..3d05d63 100644
--- a/server/src/HuangyanParking.Infrastructure/Services/YglService.cs
+++ b/server/src/HuangyanParking.Infrastructure/Services/YglService.cs
@@ -1,4 +1,6 @@
 using System.Net.Http.Json;
+using System.Text;
+using System.Text.Encodings.Web;
 using System.Text.Json;
 using System.Text.Json.Serialization;
 using HuangyanParking.Domain.Entities;
@@ -29,7 +31,8 @@ public class YglService : IYglService
     private static readonly JsonSerializerOptions JsonOptions = new()
     {
         PropertyNamingPolicy = JsonNamingPolicy.CamelCase,
-        DefaultIgnoreCondition = JsonIgnoreCondition.WhenWritingNull
+        DefaultIgnoreCondition = JsonIgnoreCondition.WhenWritingNull,
+        Encoder = JavaScriptEncoder.UnsafeRelaxedJsonEscaping
     };
 
     public YglService(
@@ -161,6 +164,8 @@ public class YglService : IYglService
     {
         // 加密请求体
         var bodyJson = JsonSerializer.Serialize(body, JsonOptions);
+        _logger.LogInformation("驿公里API请求原文: Path={Path}, Body={Body}", path, bodyJson);
+
         var encryptedBody = _crypto.EncryptDes(bodyJson, _desKey);
 
         // 对原文签名
@@ -177,14 +182,21 @@ public class YglService : IYglService
             body = encryptedBody
         };
 
-        var response = await _httpClient.PostAsJsonAsync($"{_baseUrl}{path}", requestData, JsonOptions);
+        var requestJson = JsonSerializer.Serialize(requestData, JsonOptions);
+        _logger.LogInformation("驿公里API加密请求: {Request}", requestJson);
+
+        var content = new StringContent(requestJson, Encoding.UTF8, "application/json");
+        var response = await _httpClient.PostAsync($"{_baseUrl}{path}", content);
         var responseJson = await response.Content.ReadAsStringAsync();
+        _logger.LogInformation("驿公里API响应: StatusCode={StatusCode}, Body={Body}",
+            response.StatusCode, responseJson);
+
         var yglResponse = JsonSerializer.Deserialize<YglApiResponse<T>>(responseJson, JsonOptions);
 
         if (yglResponse is null || !yglResponse.Success)
         {
-            _logger.LogError("驿公里API请求失败: Path={Path}, ErrorMsg={ErrorMsg}",
-                path, yglResponse?.ErrorMsg);
+            _logger.LogError("驿公里API请求失败: Path={Path}, Response={Response}",
+                path, responseJson);
             throw new InvalidOperationException($"驿公里API请求失败: {yglResponse?.ErrorMsg}");
         }