diff --git a/miniapp/pages/merchant/index.vue b/miniapp/pages/merchant/index.vue
index 2930623..a732635 100644
--- a/miniapp/pages/merchant/index.vue
+++ b/miniapp/pages/merchant/index.vue
@@ -28,6 +28,15 @@
 			<text class="record-arrow">›</text>
 		</view>
 
+		<!-- 切换身份 -->
+		<view class="record-entry" style="margin-top:20rpx" @click="goRoleSelect">
+			<view style="display:flex;align-items:center">
+				<image src="/static/ic_switch.png" class="logout-icon" />
+				<text class="record-label">切换身份</text>
+			</view>
+			<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">
@@ -237,6 +246,11 @@
 				uni.navigateTo({ url: '/pages/merchant/records' })
 			},
 
+			/** 切换身份 */
+			goRoleSelect() {
+				uni.navigateTo({ url: '/pages/login/role-select' })
+			},
+
 			/** 退出登录 */
 			handleLogout() {
 				uni.showModal({
diff --git a/miniapp/pages/mine/index.vue b/miniapp/pages/mine/index.vue
index 59027cf..42ed035 100644
--- a/miniapp/pages/mine/index.vue
+++ b/miniapp/pages/mine/index.vue
@@ -49,7 +49,7 @@
 				<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" />
+				<image class="menu-icon" src="/static/ic_switch.png" mode="aspectFit" />
 				<text class="menu-text">切换身份</text>
 				<text class="arrow-right">›</text>
 			</view>
@@ -158,9 +158,7 @@
 					// 即使接口失败也清除本地状态
 				}
 				clearAuth()
-				this.isLogin = false
-				this.userInfo = {}
-				uni.showToast({ title: '已退出登录', icon: 'none' })
+				uni.reLaunch({ url: '/pages/index/index' })
 			}
 		}
 	}
diff --git a/miniapp/pages/points/index.vue b/miniapp/pages/points/index.vue
index c8a5ee0..9fe8944 100644
--- a/miniapp/pages/points/index.vue
+++ b/miniapp/pages/points/index.vue
@@ -46,6 +46,7 @@
 				<!-- 右侧信息 -->
 				<view class="coupon-right">
 					<text class="coupon-name">{{ item.name }}</text>
+					<text class="coupon-info">适用门店：{{ item.stores.map(s => s.name).join('、') }}</text>
 					<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>
@@ -92,6 +93,7 @@
 	import {
 		getPopup
 	} from '@/api/config'
+	import { isLoggedIn, checkLogin } from '@/utils/auth'
 	import RichContentPopup from '@/components/RichContentPopup.vue'
 	import ConfirmDialog from '@/components/ConfirmDialog.vue'
 	import NavBar from '@/components/NavBar.vue'
@@ -150,21 +152,25 @@
 			async loadData() {
 				this.loading = true
 				try {
-					const [balanceRes, availableRes, storesRes] = await Promise.all([
-						getBalance(), getAvailable(), getStores()
-					])
-					this.balance = balanceRes.balance ?? balanceRes.data?.balance ?? 0
-					this.availableList = availableRes.data || availableRes || []
-					const stores = storesRes.data || storesRes || []
-					this.storeOptions = [{
-							label: '全部',
-							value: ''
-						},
-						...stores.map(s => ({
-							label: s.name,
-							value: s.id
-						}))
-					]
+					// 未登录时跳过积分余额请求
+					const requests = [getAvailable(), getStores()]
+					if (isLoggedIn()) {
+						requests.unshift(getBalance())
+					}
+					const results = await Promise.all(requests)
+
+					if (isLoggedIn()) {
+						const balanceRes = results[0]
+						this.balance = balanceRes.balance ?? balanceRes.data?.balance ?? 0
+						this.availableList = results[1].data || results[1] || []
+						const stores = results[2].data || results[2] || []
+						this.storeOptions = [{ label: '全部', value: '' }, ...stores.map(s => ({ label: s.name, value: s.id }))]
+					} else {
+						this.balance = 0
+						this.availableList = results[0].data || results[0] || []
+						const stores = results[1].data || results[1] || []
+						this.storeOptions = [{ label: '全部', value: '' }, ...stores.map(s => ({ label: s.name, value: s.id }))]
+					}
 					// 加载积分页背景图配置
 					try {
 						const bgRes = await getPopup('points-bg')
@@ -199,6 +205,7 @@
 				})
 			},
 			onExchange(item) {
+				if (!checkLogin()) return
 				if (item.remainingCount <= 0) return
 				if (item.pointsCost > 0 && this.balance < item.pointsCost) {
 					uni.showToast({
diff --git a/miniapp/static/ic_switch.png b/miniapp/static/ic_switch.png
new file mode 100644
index 0000000..cf4adda
Binary files /dev/null and b/miniapp/static/ic_switch.png differ
diff --git a/server/src/HuangyanParking.Api/Controllers/CouponController.cs b/server/src/HuangyanParking.Api/Controllers/CouponController.cs
index dc6727b..2793290 100644
--- a/server/src/HuangyanParking.Api/Controllers/CouponController.cs
+++ b/server/src/HuangyanParking.Api/Controllers/CouponController.cs
@@ -26,6 +26,7 @@ public class CouponController : ControllerBase
     /// GET /api/coupons/available
     /// </summary>
     [HttpGet("available")]
+    [AllowAnonymous]
     public async Task<ActionResult<ApiResponse<List<AvailableCouponResponse>>>> GetAvailable()
     {
         var templates = await _couponService.GetAvailableTemplatesAsync();