diff --git a/src/auto-imports.d.ts b/src/auto-imports.d.ts
index 878cfe6..82120a8 100644
--- a/src/auto-imports.d.ts
+++ b/src/auto-imports.d.ts
@@ -48,6 +48,7 @@ declare global {
   const getApiPrefix: typeof import('./utils/runtimeEnv.js')['getApiPrefix']
   const getAppDebug: typeof import('./utils/runtimeEnv.js')['getAppDebug']
   const getAppName: typeof import('./utils/runtimeEnv.js')['getAppName']
+  const getCachedMergedPosterWeixin: typeof import('./utils/posterQrWeixin.js')['getCachedMergedPosterWeixin']
   const getCompanyName: typeof import('./utils/runtimeEnv.js')['getCompanyName']
   const getCurrentInstance: typeof import('vue')['getCurrentInstance']
   const getCurrentScope: typeof import('vue')['getCurrentScope']
@@ -55,6 +56,7 @@ declare global {
   const getCustomerServiceUrl: typeof import('./utils/runtimeEnv.js')['getCustomerServiceUrl']
   const getInviteChannelKey: typeof import('./utils/runtimeEnv.js')['getInviteChannelKey']
   const getMeShareTitle: typeof import('./utils/runtimeEnv.js')['getMeShareTitle']
+  const getPosterOrigin: typeof import('./utils/runtimeEnv.js')['getPosterOrigin']
   const getPosterSrcList: typeof import('./utils/posterQrWeixin.js')['getPosterSrcList']
   const getShareTitle: typeof import('./utils/runtimeEnv.js')['getShareTitle']
   const getSiteOrigin: typeof import('./utils/runtimeEnv.js')['getSiteOrigin']
@@ -393,6 +395,7 @@ declare module 'vue' {
     readonly getApiPrefix: UnwrapRef<typeof import('./utils/runtimeEnv.js')['getApiPrefix']>
     readonly getAppDebug: UnwrapRef<typeof import('./utils/runtimeEnv.js')['getAppDebug']>
     readonly getAppName: UnwrapRef<typeof import('./utils/runtimeEnv.js')['getAppName']>
+    readonly getCachedMergedPosterWeixin: UnwrapRef<typeof import('./utils/posterQrWeixin.js')['getCachedMergedPosterWeixin']>
     readonly getCompanyName: UnwrapRef<typeof import('./utils/runtimeEnv.js')['getCompanyName']>
     readonly getCurrentInstance: UnwrapRef<typeof import('vue')['getCurrentInstance']>
     readonly getCurrentScope: UnwrapRef<typeof import('vue')['getCurrentScope']>
@@ -400,6 +403,7 @@ declare module 'vue' {
     readonly getCustomerServiceUrl: UnwrapRef<typeof import('./utils/runtimeEnv.js')['getCustomerServiceUrl']>
     readonly getInviteChannelKey: UnwrapRef<typeof import('./utils/runtimeEnv.js')['getInviteChannelKey']>
     readonly getMeShareTitle: UnwrapRef<typeof import('./utils/runtimeEnv.js')['getMeShareTitle']>
+    readonly getPosterOrigin: UnwrapRef<typeof import('./utils/runtimeEnv.js')['getPosterOrigin']>
     readonly getPosterSrcList: UnwrapRef<typeof import('./utils/posterQrWeixin.js')['getPosterSrcList']>
     readonly getShareTitle: UnwrapRef<typeof import('./utils/runtimeEnv.js')['getShareTitle']>
     readonly getSiteOrigin: UnwrapRef<typeof import('./utils/runtimeEnv.js')['getSiteOrigin']>
diff --git a/src/components/QRcode.vue b/src/components/QRcode.vue
index b5531cc..d8642d6 100644
--- a/src/components/QRcode.vue
+++ b/src/components/QRcode.vue
@@ -3,52 +3,29 @@
     <!-- #ifdef MP-WEIXIN -->
     <view class="max-h-[calc(100vh-100px)] m-4">
       <!-- 单 canvas 离屏绘制，避免 swiper 未挂载项取不到节点 -->
-      <canvas
-        id="mpPosterCanvas"
-        canvas-id="mpPosterCanvas"
-        type="2d"
-        class="mp-poster-canvas-hidden"
-      />
+      <canvas id="mpPosterCanvas" canvas-id="mpPosterCanvas" type="2d" class="mp-poster-canvas-hidden" />
       <view class="p-2 flex justify-center">
-        <swiper
-          :key="swiperMountKey"
-          class="mp-poster-swiper w-full"
-          :style="{ height: swiperHeightPx + 'px' }"
-          :duration="280"
-          :easing-function="easeOutCubic"
-          @change="onSwiperChange"
-        >
+        <swiper :key="swiperMountKey" class="mp-poster-swiper w-full" :style="{ height: swiperHeightPx + 'px' }"
+          :current="currentSwiperIndex" :duration="280" :easing-function="easeOutCubic" @change="onSwiperChange">
           <swiper-item v-for="(_, idx) in posterSrcList" :key="idx" class="mp-swiper-item">
             <view class="mp-poster-item">
-              <image
-                v-if="renderedPaths[idx]"
-                :src="renderedPaths[idx]"
-                mode="aspectFit"
-                class="rounded-xl shadow poster-preview-mp"
-                :style="posterPreviewStyle"
-              />
+              <image v-if="renderedPaths[idx]" :src="renderedPaths[idx]" mode="aspectFit"
+                class="rounded-xl shadow poster-preview-mp" :style="posterPreviewStyle" />
               <view v-else class="text-gray-400 text-sm py-16">生成海报中…</view>
             </view>
           </swiper-item>
         </swiper>
       </view>
-      <view
-        v-if="mode === 'promote'"
-        class="text-center text-gray-500 text-xs mb-2"
-      >
+      <view v-if="mode === 'promote'" class="text-center text-gray-500 text-xs mb-2">
         ← 左右滑动切换海报 →
       </view>
       <view class="divider">分享与保存</view>
       <view class="mp-share-actions">
-        <button
-          class="share-mp-btn flex flex-col items-center justify-center"
-          open-type="share"
-          plain
-          @tap="onShareFriendPrepare"
-        >
+        <!-- <button class="share-mp-btn flex flex-col items-center justify-center" open-type="share" plain
+          @tap="onShareFriendPrepare">
           <image src="/static/image/icon_share_friends.svg" class="w-10 h-10 rounded-full" />
           <text class="text-center mt-1 text-gray-600 text-xs">分享给好友</text>
-        </button>
+        </button> -->
         <view class="flex flex-col items-center justify-center" @click="savePoster">
           <image src="/static/image/icon_share_img.svg" class="w-10 h-10 rounded-full" />
           <view class="text-center mt-1 text-gray-600 text-xs">保存图片</view>
@@ -65,14 +42,9 @@
     <view class="max-h-[calc(100vh-100px)] m-4">
       <view class="p-4 flex justify-center">
         <view class="max-h-[70vh] rounded-xl overflow-hidden">
-          <image
-            :src="posterImageUrlRemote"
-            class="rounded-xl shadow poster-image"
-            :style="{ width: imageWidth + 'px', height: imageHeight + 'px' }"
-            mode="aspectFit"
-            @load="onImageLoad"
-            @error="onImageError"
-          />
+          <image :src="posterImageUrlRemote" class="rounded-xl shadow poster-image"
+            :style="{ width: imageWidth + 'px', height: imageHeight + 'px' }" mode="aspectFit" @load="onImageLoad"
+            @error="onImageError" />
         </view>
       </view>
       <view class="divider">分享到好友</view>
@@ -97,7 +69,7 @@ import { getApiBaseUrl, getAgentTabShareTitle, getShareTitle } from '@/utils/run
 import { buildPromotionH5Url } from '@/utils/promotionH5Url.js'
 import { setMiniPromotionShareFriend } from '@/utils/miniPromotionSharePayload.js'
 // #ifdef MP-WEIXIN
-import { getPosterSrcList, drawMergedPosterWeixin } from '@/utils/posterQrWeixin.js'
+import { getPosterSrcList, drawMergedPosterWeixin, getCachedMergedPosterWeixin } from '@/utils/posterQrWeixin.js'
 // #endif
 
 const props = defineProps({
@@ -184,12 +156,40 @@ function updateMpPosterLayout() {
 
 /** 串行生成，避免多索引共用同一 canvas 竞态 */
 let mpGenSeq = Promise.resolve()
+const mpRenderStateCache = new Map()
+
+function getRenderCacheKey() {
+  return `${mode.value}::${linkIdentifier.value || ''}`
+}
+
+function updateRenderCache(partial) {
+  const key = getRenderCacheKey()
+  const prev = mpRenderStateCache.get(key) || { paths: [], lastIndex: 0 }
+  const next = {
+    paths: Array.isArray(partial.paths) ? [...partial.paths] : prev.paths,
+    lastIndex: Number.isFinite(partial.lastIndex) ? partial.lastIndex : prev.lastIndex,
+  }
+  mpRenderStateCache.set(key, next)
+}
 
 function resetMpPosters() {
   mpGenSeq = Promise.resolve()
   const n = posterSrcList.value.length
-  renderedPaths.value = Array.from({ length: n }, () => '')
-  currentSwiperIndex.value = 0
+  const cache = mpRenderStateCache.get(getRenderCacheKey())
+  const initialPaths = Array.from({ length: n }, (_, idx) => {
+    const saved = cache?.paths?.[idx]
+    if (saved) return saved
+    return getCachedMergedPosterWeixin({
+      linkUrl: generalUrl(),
+      posterSrc: posterSrcList.value[idx],
+      mode: mode.value,
+      index: idx,
+    }) || ''
+  })
+  renderedPaths.value = initialPaths
+  const cachedIndex = cache?.lastIndex ?? 0
+  currentSwiperIndex.value = Math.min(Math.max(cachedIndex, 0), Math.max(n - 1, 0))
+  updateRenderCache({ paths: initialPaths, lastIndex: currentSwiperIndex.value })
 }
 
 function generatePosterMp(index) {
@@ -198,7 +198,7 @@ function generatePosterMp(index) {
   if (!proxy) return Promise.resolve()
 
   mpGenSeq = mpGenSeq
-    .catch(() => {})
+    .catch(() => { })
     .then(async () => {
       if (renderedPaths.value[index]) return
       await new Promise((r) => setTimeout(r, 80))
@@ -224,6 +224,7 @@ function generatePosterMp(index) {
       const next = [...renderedPaths.value]
       next[index] = temp
       renderedPaths.value = next
+      updateRenderCache({ paths: next })
     })
   return mpGenSeq
 }
@@ -231,6 +232,7 @@ function generatePosterMp(index) {
 function onSwiperChange(e) {
   const cur = e.detail?.current ?? 0
   currentSwiperIndex.value = cur
+  updateRenderCache({ lastIndex: cur })
   if (!renderedPaths.value[cur]) {
     // 等 swiper 切换动画走一部分再跑 canvas，减轻主线程卡顿
     setTimeout(() => {
@@ -249,7 +251,7 @@ watch(show, (v) => {
     swiperMountKey.value += 1
     resetMpPosters()
     nextTick(() => {
-      generatePosterMp(0).catch((err) => {
+      generatePosterMp(currentSwiperIndex.value).catch((err) => {
         console.error('生成海报失败', err)
         uni.showToast({ title: '海报生成失败', icon: 'none' })
       })
@@ -264,7 +266,7 @@ watch([mode, linkIdentifier], () => {
     swiperMountKey.value += 1
     resetMpPosters()
     nextTick(() => {
-      generatePosterMp(0).catch(() => {})
+      generatePosterMp(currentSwiperIndex.value).catch(() => { })
     })
   })
 })
@@ -319,7 +321,7 @@ function onImageLoad() {
       imageWidth.value = size.width
       imageHeight.value = size.height
     },
-    fail: () => {},
+    fail: () => { },
   })
 }
 
@@ -518,5 +520,6 @@ function copyUrl() {
 .share-mp-btn::after {
   border: none;
 }
+
 /* #endif */
 </style>
diff --git a/src/config/runtime.development.json b/src/config/runtime.development.json
index c5f8384..3963beb 100644
--- a/src/config/runtime.development.json
+++ b/src/config/runtime.development.json
@@ -1,6 +1,7 @@
 {
   "apiUrl": "http://127.0.0.1:8888",
   "apiPrefix": "/api/v1",
+  "posterUrl": "http://127.0.0.1:8888/posts",
   "siteOrigin": "http://127.0.0.1:8888",
   "appName": "赤眉",
   "companyName": "戎行技术有限公司有限公司",
@@ -11,4 +12,4 @@
   "customerServiceCorpId": "",
   "inviteChannelKey": "8e3e7a2f60edb49221e953b9c029ed10",
   "appDebug": true
-}
+}
\ No newline at end of file
diff --git a/src/config/runtime.production.json b/src/config/runtime.production.json
index 093c4be..00d2e4c 100644
--- a/src/config/runtime.production.json
+++ b/src/config/runtime.production.json
@@ -1,6 +1,7 @@
 {
   "apiUrl": "https://chimei.ronsafe.cn",
   "apiPrefix": "/api/v1",
+  "posterUrl": "https://chimei.ronsafe.cn/posts",
   "siteOrigin": "https://chimei.ronsafe.cn",
   "appName": "赤眉",
   "companyName": "戎行技术有限公司有限公司",
@@ -11,4 +12,4 @@
   "customerServiceCorpId": "",
   "inviteChannelKey": "8e3e7a2f60edb49221e953b9c029ed10",
   "appDebug": false
-}
+}
\ No newline at end of file
diff --git a/src/env.d.ts b/src/env.d.ts
index 6d19434..25bf65f 100644
--- a/src/env.d.ts
+++ b/src/env.d.ts
@@ -4,6 +4,7 @@
 interface BdrpRuntimeConfig {
   apiUrl: string
   apiPrefix: string
+  posterUrl: string
   siteOrigin: string
   appName: string
   companyName: string
diff --git a/src/manifest.json b/src/manifest.json
index 8d74b80..c945d5c 100644
--- a/src/manifest.json
+++ b/src/manifest.json
@@ -117,4 +117,4 @@
       }
     }
   }
-}
+}
\ No newline at end of file
diff --git a/src/pages.json b/src/pages.json
index 3545c9d..2215eaa 100644
--- a/src/pages.json
+++ b/src/pages.json
@@ -164,6 +164,5 @@
       }
     ]
   },
-  "__esModule": true,
   "subPackages": []
 }
diff --git a/src/pages/agentVipConfig.vue b/src/pages/agentVipConfig.vue
index 73a8017..d356530 100644
--- a/src/pages/agentVipConfig.vue
+++ b/src/pages/agentVipConfig.vue
@@ -111,21 +111,12 @@
 import { ref, reactive, computed, onMounted, watch } from 'vue'
 import { getAgentMembershipUserConfig, saveAgentMembershipUserConfig, getProductConfig } from '@/apis/agent'
 
-// 报告类型选项 - 与 webview 保持一致，支持从后端动态加载
-const reportOptions = ref([
-  { label: '入职风险', value: 1 },
-  { label: '小微企业', value: 2 },
-  { label: '家政风险', value: 3 },
-  { label: '婚恋风险', value: 4 },
-  { label: '贷前风险', value: 5 },
-  { label: '租赁风险', value: 6 },
-  { label: '个人风险', value: 7 },
-  { label: '个人大数据', value: 27 },
-])
+// 报告类型选项：完全由后端返回
+const reportOptions = ref([])
 
 // 状态管理
 const showPicker = ref(false)
-const selectedReportId = ref(1)
+const selectedReportId = ref(null)
 const selectedReportText = computed(() => {
   const opt = reportOptions.value.find((o) => o.value === selectedReportId.value)
   return opt ? opt.label : '请选择'
@@ -248,6 +239,8 @@ const validateRatio = () => {
 
 // 获取配置
 const getConfig = async () => {
+  if (!selectedReportId.value)
+    return
   try {
     const res = await getAgentMembershipUserConfig({ product_id: selectedReportId.value })
     if (res.code === 200) {
@@ -357,37 +350,30 @@ const closeRangeError = () => {
   }, 2000)
 }
 
-// 从后端加载可选报告列表（可选，若失败则使用默认列表）
+// 从后端加载可选报告列表
 const loadReportOptions = async () => {
   try {
     const res = await getProductConfig()
-    if (res.code !== 200 || !res.data) return
+    if (res.code !== 200 || !res.data)
+      return
     const list = res.data.agent_product_config || res.data.AgentProductConfig || []
-    if (list.length) {
-      const productNameMap = {
-        1: '入职风险',
-        2: '小微企业',
-        3: '家政风险',
-        4: '婚恋风险',
-        5: '贷前风险',
-        6: '租赁风险',
-        7: '个人风险',
-        27: '个人大数据',
-      }
-      reportOptions.value = list.map((p) => ({
-        label: productNameMap[p.product_id] || `报告${p.product_id}`,
+    reportOptions.value = list
+      .map(p => ({
+        label: p.product_name || `报告${p.product_id}`,
         value: p.product_id,
       }))
-      if (!reportOptions.value.find((o) => o.value === selectedReportId.value)) {
+      .filter(p => p.value != null)
+    if (reportOptions.value.length > 0) {
+      if (!reportOptions.value.find(o => o.value === selectedReportId.value))
         selectedReportId.value = reportOptions.value[0].value
-      }
     }
   } catch {}
 }
 
 onMounted(async () => {
   await loadReportOptions()
-  getConfig()
+  if (selectedReportId.value)
+    getConfig()
 })
 </script>
 
diff --git a/src/pages/promote.vue b/src/pages/promote.vue
index a74f393..4fd3163 100644
--- a/src/pages/promote.vue
+++ b/src/pages/promote.vue
@@ -33,13 +33,13 @@
           <wd-form :model="formData" ref="promotionForm">
             <wd-cell-group border>
               <!-- 报告类型 -->
-              <wd-picker label="报告类型" label-width="100px" v-model="formData.productType" :columns="[reportTypes]"
+              <wd-picker label="报告类型" label-width="100px" v-model="formData.productType" :columns="reportTypes"
                 title="选择报告类型" prop="productType" placeholder="请选择报告类型" @confirm="onConfirmType"
                 :rules="[{ required: true, message: '请选择报告类型' }]" />
 
               <!-- 定价 -->
               <wd-input label="客户查询价" label-width="100px" v-model="formData.clientPrice" placeholder="请输入价格" readonly
-                clickable @click="showPricePicker = true" prop="clientPrice"   suffix-icon="arrow-right"
+                clickable @click="showPricePicker = true" prop="clientPrice" suffix-icon="arrow-right"
                 :rules="[{ required: true, message: '请输入客户查询价' }]" />
             </wd-cell-group>
 
@@ -60,7 +60,7 @@
       :product-config="pickerProductConfig" @change="onPriceChange" />
 
     <QRcode v-model:show="showQRcode" :linkIdentifier="linkIdentifier" />
-    
+
     <GzhQrcode :visible="showGzhQrcode" @close="showGzhQrcode = false" />
   </view>
 </template>
@@ -76,17 +76,6 @@ import GzhQrcode from '@/components/GzhQrcode.vue'
 
 usePromotionShareHandlers({ defaultTitle: getAgentTabShareTitle() })
 
-// 报告类型
-const reportTypes = [
-  { label: '人事背调', value: 'backgroundcheck', id: 1 },
-  { label: '老板企业报告', value: 'companyinfo', id: 2 },
-  { label: '家政风险', value: 'homeservice', id: 3 },
-  { label: '婚恋风险', value: 'marriage', id: 4 },
-  { label: '贷前背调', value: 'preloanbackgroundcheck', id: 5 },
-  { label: '租赁风险', value: 'rentalrisk', id: 6 },
-  { label: '个人风险', value: 'riskassessment', id: 7 }
-]
-
 // 状态管理
 const promotionForm = ref(null)
 const showPricePicker = ref(false)
@@ -102,6 +91,18 @@ const formData = ref({
   clientPrice: null
 })
 
+const reportTypes = computed(() => {
+  if (!productConfig.value?.length)
+    return []
+  return productConfig.value
+    .map(item => ({
+      id: item.product_id,
+      label: item.product_name || `产品${item.product_id}`,
+      value: item.product_en || '',
+    }))
+    .filter(item => !!item.value)
+})
+
 // 计算成本价格
 const costPrice = computed(() => {
   if (!pickerProductConfig.value) return '0.00'
@@ -153,16 +154,6 @@ const generatePromotionCode = async () => {
   }
 
   try {
-    // 获取选中产品的完整信息
-    const reportType = reportTypes.find(item => item.value === formData.value.productType)
-    if (!reportType) {
-      uni.showToast({
-        title: '请选择有效的报告类型',
-        icon: 'none'
-      })
-      return
-    }
-
     const res = await generatePromotionLink({
       product: formData.value.productType,
       price: formData.value.clientPrice
@@ -187,20 +178,30 @@ const generatePromotionCode = async () => {
 
 // 选择类型
 const selectProductType = (reportTypeValue) => {
-  const reportType = reportTypes.find(item => item.id === reportTypeValue || item.value === reportTypeValue)
+  const reportType = reportTypes.value.find(item => item.id === reportTypeValue || item.value === reportTypeValue)
 
-  if (!reportType) return
+  if (!reportType) {
+    pickerProductConfig.value = null
+    formData.value.productType = ''
+    formData.value.clientPrice = null
+    return
+  }
 
   formData.value.productType = reportType.value
 
-  if (productConfig.value) {
-    for (let i of productConfig.value) {
-      if (i.product_id === reportType.id) {
-        pickerProductConfig.value = i
-        formData.value.clientPrice = i.p_pricing_standard.toString()
-      }
-    }
+  if (!productConfig.value) {
+    pickerProductConfig.value = null
+    formData.value.clientPrice = null
+    return
   }
+  const matchedConfig = productConfig.value.find(item => item.product_id === reportType.id)
+  if (!matchedConfig) {
+    pickerProductConfig.value = null
+    formData.value.clientPrice = null
+    return
+  }
+  pickerProductConfig.value = matchedConfig
+  formData.value.clientPrice = Number(matchedConfig.p_pricing_standard)
 }
 
 // 获取产品配置
@@ -209,9 +210,19 @@ const getPromoteConfig = async () => {
     const res = await getProductConfig()
 
     if (res.code === 200) {
-      productConfig.value = res.data.AgentProductConfig
-      // 选择第一个报告类型
-      selectProductType(1) // 使用ID 1选择第一个报告类型
+      productConfig.value = res.data.AgentProductConfig || []
+      const firstType = reportTypes.value[0]
+      if (firstType) {
+        selectProductType(firstType.value)
+      } else {
+        pickerProductConfig.value = null
+        formData.value.productType = ''
+        formData.value.clientPrice = null
+        uni.showToast({
+          title: '暂无可推广产品',
+          icon: 'none'
+        })
+      }
     } else {
       uni.showToast({
         title: res.msg || '获取配置失败',
@@ -233,11 +244,9 @@ const onPriceChange = (price) => {
 
 // 类型选择确认
 const onConfirmType = (e) => {
-  // picker在单列模式下返回的是选中项的值
-  if (e && e.value && e.value.length > 0) {
-    const selectedValue = e.value[0]
+  const selectedValue = e?.value?.[0] ?? e?.value ?? e?.selectedOptions?.[0]?.value
+  if (selectedValue !== undefined && selectedValue !== null && selectedValue !== '')
     selectProductType(selectedValue)
-  }
 }
 
 // 显示公众号二维码
diff --git a/src/static/image/logo.png b/src/static/image/logo.png
index 24829e3..c76b186 100644
Binary files a/src/static/image/logo.png and b/src/static/image/logo.png differ
diff --git a/src/static/poster/.gitkeep b/src/static/poster/.gitkeep
deleted file mode 100644
index e69de29..0000000
diff --git a/src/static/poster/tg_qrcode_1.png b/src/static/poster/tg_qrcode_1.png
deleted file mode 100644
index 8a38158..0000000
Binary files a/src/static/poster/tg_qrcode_1.png and /dev/null differ
diff --git a/src/static/poster/tg_qrcode_2.png b/src/static/poster/tg_qrcode_2.png
deleted file mode 100644
index f635871..0000000
Binary files a/src/static/poster/tg_qrcode_2.png and /dev/null differ
diff --git a/src/static/poster/tg_qrcode_3.png b/src/static/poster/tg_qrcode_3.png
deleted file mode 100644
index 76ec396..0000000
Binary files a/src/static/poster/tg_qrcode_3.png and /dev/null differ
diff --git a/src/static/poster/tg_qrcode_4.png b/src/static/poster/tg_qrcode_4.png
deleted file mode 100644
index 8ca334d..0000000
Binary files a/src/static/poster/tg_qrcode_4.png and /dev/null differ
diff --git a/src/static/poster/tg_qrcode_5.png b/src/static/poster/tg_qrcode_5.png
deleted file mode 100644
index 473abfd..0000000
Binary files a/src/static/poster/tg_qrcode_5.png and /dev/null differ
diff --git a/src/static/poster/tg_qrcode_6.png b/src/static/poster/tg_qrcode_6.png
deleted file mode 100644
index 9fe7a37..0000000
Binary files a/src/static/poster/tg_qrcode_6.png and /dev/null differ
diff --git a/src/static/poster/tg_qrcode_7.png b/src/static/poster/tg_qrcode_7.png
deleted file mode 100644
index df90fe3..0000000
Binary files a/src/static/poster/tg_qrcode_7.png and /dev/null differ
diff --git a/src/static/poster/tg_qrcode_8.jpg b/src/static/poster/tg_qrcode_8.jpg
deleted file mode 100644
index 142d87a..0000000
Binary files a/src/static/poster/tg_qrcode_8.jpg and /dev/null differ
diff --git a/src/static/poster/tg_qrcode_8.png b/src/static/poster/tg_qrcode_8.png
deleted file mode 100644
index 0f82376..0000000
Binary files a/src/static/poster/tg_qrcode_8.png and /dev/null differ
diff --git a/src/static/poster/yq_qrcode_1.png b/src/static/poster/yq_qrcode_1.png
deleted file mode 100644
index d8d4fcc..0000000
Binary files a/src/static/poster/yq_qrcode_1.png and /dev/null differ
diff --git a/src/utils/posterQrWeixin.js b/src/utils/posterQrWeixin.js
index 534ea97..30a9503 100644
--- a/src/utils/posterQrWeixin.js
+++ b/src/utils/posterQrWeixin.js
@@ -1,7 +1,8 @@
 /**
- * 微信小程序：本地海报底图 + uQRCode 合成（与 webview QRcode.vue 配置对齐）
+ * 微信小程序：服务端海报底图 + uQRCode 合成（与 webview QRcode.vue 配置对齐）
  */
-import UQRCode from 'uqrcodejs'
+import UQRCode from "uqrcodejs";
+import { getPosterOrigin } from "@/utils/runtimeEnv.js";
 
 /** 与 webview src/components/QRcode.vue 中 qrCodePositions 一致 */
 export const POSTER_QR_POSITIONS = {
@@ -16,43 +17,58 @@ export const POSTER_QR_POSITIONS = {
     { x: 255, y: 940, size: 250 },
   ],
   invitation: [{ x: 360, y: -1370, size: 360 }],
+};
+
+function buildPosterUrl(filename) {
+  return `${getPosterOrigin()}/${filename}`;
 }
 
 export function getPosterSrcList(mode) {
-  if (mode === 'invitation') {
-    return ['/static/poster/yq_qrcode_1.png']
+  if (mode === "invitation") {
+    return [buildPosterUrl("yq_qrcode_1.png")];
   }
   return [
-    '/static/poster/tg_qrcode_1.png',
-    '/static/poster/tg_qrcode_2.png',
-    '/static/poster/tg_qrcode_3.png',
-    '/static/poster/tg_qrcode_4.png',
-    '/static/poster/tg_qrcode_5.png',
-    '/static/poster/tg_qrcode_6.png',
-    '/static/poster/tg_qrcode_7.png',
-    '/static/poster/tg_qrcode_8.png',
-  ]
+    buildPosterUrl("tg_qrcode_1.png"),
+    buildPosterUrl("tg_qrcode_2.png"),
+    buildPosterUrl("tg_qrcode_3.png"),
+    buildPosterUrl("tg_qrcode_4.png"),
+    buildPosterUrl("tg_qrcode_5.png"),
+    buildPosterUrl("tg_qrcode_6.png"),
+    buildPosterUrl("tg_qrcode_7.png"),
+    buildPosterUrl("tg_qrcode_8.png"),
+  ];
 }
 
 function getWx() {
-  return typeof wx !== 'undefined' ? wx : null
+  return typeof wx !== "undefined" ? wx : null;
+}
+
+const mergedPosterCache = new Map();
+
+function buildMergedPosterCacheKey({ linkUrl, posterSrc, mode, index }) {
+  return `${mode || "promote"}::${index || 0}::${posterSrc || ""}::${linkUrl || ""}`;
+}
+
+export function getCachedMergedPosterWeixin(opts) {
+  const key = buildMergedPosterCacheKey(opts || {});
+  return mergedPosterCache.get(key) || "";
 }
 
 /**
  * 与 webview 一致：优先 png，不存在则尝试同名的 jpg（避免仅提交了 jpg 时小程序侧失败）
- * @param {string} posterSrc 如 /static/poster/tg_qrcode_2.png
+ * @param {string} posterSrc 如 https://example.com/posts/tg_qrcode_2.png
  */
 function getPosterSrcCandidates(posterSrc) {
-  const base = posterSrc.replace(/\.(png|jpg|jpeg)$/i, '')
-  return [`${base}.png`, `${base}.jpg`, `${base}.jpeg`]
+  const base = posterSrc.replace(/\.(png|jpg|jpeg)$/i, "");
+  return [`${base}.png`, `${base}.jpg`, `${base}.jpeg`];
 }
 
 /**
  * @returns {Promise<{ info: Record<string, unknown>, resolvedSrc: string }>}
  */
 async function resolvePosterImageInfo(posterSrc) {
-  const candidates = getPosterSrcCandidates(posterSrc)
-  let lastErr = ''
+  const candidates = getPosterSrcCandidates(posterSrc);
+  let lastErr = "";
   for (const src of candidates) {
     try {
       const info = await new Promise((resolve, reject) => {
@@ -60,16 +76,16 @@ async function resolvePosterImageInfo(posterSrc) {
           src,
           success: resolve,
           fail: (e) => reject(e),
-        })
-      })
-      return { info, resolvedSrc: src }
+        });
+      });
+      return { info, resolvedSrc: src };
     } catch (e) {
-      lastErr = (e && (e.errMsg || e.message)) || String(e)
+      lastErr = (e && (e.errMsg || e.message)) || String(e);
     }
   }
   throw new Error(
-    `海报底图无法加载（${lastErr}）。请将 tg_qrcode_1~8、yq_qrcode_1 等底图放入小程序目录 src/static/poster/，与同仓库 webview 的 assets 命名一致（支持 .png 或 .jpg）。当前已尝试：${candidates.join('、')}`,
-  )
+    `海报底图无法加载（${lastErr}）。请检查服务端 /posts/ 下是否存在 tg_qrcode_1~8、yq_qrcode_1 等底图，并确认小程序已配置该域名为合法下载域名（支持 .png 或 .jpg）。当前已尝试：${candidates.join("、")}`,
+  );
 }
 
 /**
@@ -77,21 +93,21 @@ async function resolvePosterImageInfo(posterSrc) {
  * 应用根路径 /static/... 作为 img.src 更可靠，失败再退回 info.path
  */
 function loadCanvasImage(canvas, resolvedSrc, infoPath) {
-  const img = canvas.createImage()
+  const img = canvas.createImage();
   return new Promise((resolve, reject) => {
     const tryPath = (p, isFallback) => {
-      img.onload = () => resolve(img)
+      img.onload = () => resolve(img);
       img.onerror = () => {
         if (!isFallback && infoPath && p !== infoPath) {
-          tryPath(infoPath, true)
+          tryPath(infoPath, true);
         } else {
-          reject(new Error(`canvas 图片加载失败: ${p}`))
+          reject(new Error(`canvas 图片加载失败: ${p}`));
         }
-      }
-      img.src = p
-    }
-    tryPath(resolvedSrc, false)
-  })
+      };
+      img.src = p;
+    };
+    tryPath(resolvedSrc, false);
+  });
 }
 
 /**
@@ -105,60 +121,67 @@ function loadCanvasImage(canvas, resolvedSrc, infoPath) {
  * @returns {Promise<string>} tempFilePath
  */
 export async function drawMergedPosterWeixin(opts) {
-  const { canvas, linkUrl, posterSrc, mode, index, componentInstance } = opts
-  const ctx = canvas.getContext('2d')
+  const { canvas, linkUrl, posterSrc, mode, index, componentInstance } = opts;
+  const cacheKey = buildMergedPosterCacheKey({ linkUrl, posterSrc, mode, index });
+  const cachedPath = mergedPosterCache.get(cacheKey);
+  if (cachedPath) {
+    return cachedPath;
+  }
+  const ctx = canvas.getContext("2d");
   if (!ctx) {
-    throw new Error('canvas 2d 不可用')
+    throw new Error("canvas 2d 不可用");
   }
 
-  const wxApi = getWx()
+  const wxApi = getWx();
   if (!wxApi?.createOffscreenCanvas) {
-    throw new Error('当前微信基础库不支持 createOffscreenCanvas，请升级基础库')
+    throw new Error("当前微信基础库不支持 createOffscreenCanvas，请升级基础库");
   }
 
-  const { info, resolvedSrc } = await resolvePosterImageInfo(posterSrc)
-  const infoPath = typeof info.path === 'string' ? info.path : ''
-  const img = await loadCanvasImage(canvas, resolvedSrc, infoPath)
+  const { info, resolvedSrc } = await resolvePosterImageInfo(posterSrc);
+  const infoPath = typeof info.path === "string" ? info.path : "";
+  const img = await loadCanvasImage(canvas, resolvedSrc, infoPath);
 
-  const w = img.width
-  const h = img.height
-  const sys = uni.getSystemInfoSync()
-  const dpr = sys.pixelRatio || 2
+  const w = img.width;
+  const h = img.height;
+  const dpr = 1;
 
-  canvas.width = w * dpr
-  canvas.height = h * dpr
-  ctx.scale(dpr, dpr)
-  ctx.clearRect(0, 0, w, h)
-  ctx.drawImage(img, 0, 0, w, h)
+  canvas.width = w * dpr;
+  canvas.height = h * dpr;
+  ctx.scale(dpr, dpr);
+  ctx.clearRect(0, 0, w, h);
+  ctx.drawImage(img, 0, 0, w, h);
 
-  const positions = POSTER_QR_POSITIONS[mode] || POSTER_QR_POSITIONS.promote
-  const position = positions[index] || positions[0]
-  const qrY = position.y < 0 ? h + position.y : position.y
-  const s = position.size
+  const positions = POSTER_QR_POSITIONS[mode] || POSTER_QR_POSITIONS.promote;
+  const position = positions[index] || positions[0];
+  const qrY = position.y < 0 ? h + position.y : position.y;
+  const s = position.size;
 
-  const off = wxApi.createOffscreenCanvas({ type: '2d', width: s, height: s })
-  const octx = off.getContext('2d')
-  const qr = new UQRCode()
-  qr.data = linkUrl
-  qr.size = s
-  qr.margin = 0
-  qr.make()
-  qr.canvasContext = octx
-  await qr.drawCanvas()
-  ctx.drawImage(off, position.x, qrY, s, s)
+  const off = wxApi.createOffscreenCanvas({ type: "2d", width: s, height: s });
+  const octx = off.getContext("2d");
+  const qr = new UQRCode();
+  qr.data = linkUrl;
+  qr.size = s;
+  qr.margin = 0;
+  qr.make();
+  qr.canvasContext = octx;
+  await qr.drawCanvas();
+  ctx.drawImage(off, position.x, qrY, s, s);
 
   return new Promise((resolve, reject) => {
     const conf = {
       canvas,
-      fileType: 'png',
+      fileType: "png",
       quality: 1,
-      success: (res) => resolve(res.tempFilePath),
+      success: (res) => {
+        mergedPosterCache.set(cacheKey, res.tempFilePath);
+        resolve(res.tempFilePath);
+      },
       fail: reject,
-    }
+    };
     if (componentInstance) {
-      uni.canvasToTempFilePath(conf, componentInstance)
+      uni.canvasToTempFilePath(conf, componentInstance);
     } else {
-      uni.canvasToTempFilePath(conf)
+      uni.canvasToTempFilePath(conf);
     }
-  })
+  });
 }
diff --git a/src/utils/request.js b/src/utils/request.js
index 9f34956..12073d1 100644
--- a/src/utils/request.js
+++ b/src/utils/request.js
@@ -8,6 +8,58 @@ const BASE_URL = getApiPrefix()
 // #ifndef H5
 const BASE_URL = getApiBaseUrl()
 // #endif
+const TEMP_USER_INVALID_CODE = 100012
+let wxMiniReauthPromise = null
+
+const clearAuthData = () => {
+  uni.removeStorageSync('token')
+  uni.removeStorageSync('refreshAfter')
+  uni.removeStorageSync('accessExpire')
+  uni.removeStorageSync('userInfo')
+  uni.removeStorageSync('agentInfo')
+}
+
+const silentWxMiniReAuth = () => {
+  if (wxMiniReauthPromise)
+    return wxMiniReauthPromise
+
+  wxMiniReauthPromise = new Promise((resolve, reject) => {
+    clearAuthData()
+    uni.login({
+      success: (loginRes) => {
+        if (!loginRes.code) {
+          reject(new Error('wx.login failed'))
+          return
+        }
+        uni.request({
+          url: `${BASE_URL}/user/wxMiniAuth`,
+          method: 'POST',
+          data: { code: loginRes.code },
+          header: {
+            'X-Platform': 'wxmini',
+          },
+          success: (authRes) => {
+            if (authRes.statusCode === 200 && authRes.data?.code === 200 && authRes.data?.data) {
+              uni.setStorageSync('token', authRes.data.data.accessToken)
+              uni.setStorageSync('refreshAfter', authRes.data.data.refreshAfter)
+              uni.setStorageSync('accessExpire', authRes.data.data.accessExpire)
+              resolve(authRes.data)
+              return
+            }
+            reject(authRes.data || new Error('wxMiniAuth failed'))
+          },
+          fail: reject,
+        })
+      },
+      fail: reject,
+    })
+  }).finally(() => {
+    wxMiniReauthPromise = null
+  })
+
+  return wxMiniReauthPromise
+}
+
 function request(options) {
   return new Promise((resolve, reject) => {
     // 请求拦截器逻辑
@@ -38,6 +90,24 @@ function request(options) {
       success: (res) => {
         // 响应拦截器逻辑
         if (res.statusCode === 200) {
+          if (res.data?.code === TEMP_USER_INVALID_CODE) {
+            if (!options.__retriedAfterReauth) {
+              silentWxMiniReAuth()
+                .then(() => {
+                  request({
+                    ...options,
+                    hideLoading: true,
+                    __retriedAfterReauth: true,
+                  }).then(resolve).catch(reject)
+                })
+                .catch(() => {
+                  reject(res.data)
+                })
+              return
+            }
+            reject(res.data)
+            return
+          }
           resolve(res.data)
         }
         else if (res.statusCode === 401) {
diff --git a/src/utils/runtimeEnv.js b/src/utils/runtimeEnv.js
index 45a9fca..f5d7859 100644
--- a/src/utils/runtimeEnv.js
+++ b/src/utils/runtimeEnv.js
@@ -1,68 +1,72 @@
 /**
  * 最简配置：两份 json 用相对路径 import；import.meta.env.PROD 由 Vite 构建期替换成字面量。
  */
-import dev from '../config/runtime.development.json'
-import prod from '../config/runtime.production.json'
+import dev from "../config/runtime.development.json";
+import prod from "../config/runtime.production.json";
 
-const _e = import.meta.env.PROD ? prod : dev
+const _e = import.meta.env.PROD ? prod : dev;
 
 function nonempty(name) {
-  const v = _e[name]
-  if (v === undefined || v === '') {
-    throw new Error(`缺少运行时配置: ${name}（请检查 src/config/runtime.*.json）`)
+  const v = _e[name];
+  if (v === undefined || v === "") {
+    throw new Error(
+      `缺少运行时配置: ${name}（请检查 src/config/runtime.*.json）`,
+    );
   }
-  return String(v)
+  return String(v);
 }
 
 export function getApiOrigin() {
-  return nonempty('apiUrl').replace(/\/$/, '')
+  return nonempty("apiUrl").replace(/\/$/, "");
+}
+export function getPosterOrigin() {
+  return nonempty("posterUrl").replace(/\/$/, "");
 }
-
 export function getApiPrefix() {
-  const p = nonempty('apiPrefix')
-  return p.startsWith('/') ? p : `/${p}`
+  const p = nonempty("apiPrefix");
+  return p.startsWith("/") ? p : `/${p}`;
 }
 
 export function getApiBaseUrl() {
-  return `${getApiOrigin()}${getApiPrefix()}`
+  return `${getApiOrigin()}${getApiPrefix()}`;
 }
 
 export function getSiteOrigin() {
-  return nonempty('siteOrigin').replace(/\/$/, '')
+  return nonempty("siteOrigin").replace(/\/$/, "");
 }
 
 export function getCustomerServiceUrl() {
-  return nonempty('customerServiceUrl')
+  return nonempty("customerServiceUrl");
 }
 
 export function getCustomerServiceCorpId() {
-  return String(_e.customerServiceCorpId || '')
+  return String(_e.customerServiceCorpId || "");
 }
 
 export function getInviteChannelKey() {
-  return nonempty('inviteChannelKey')
+  return nonempty("inviteChannelKey");
 }
 
 export function getAppName() {
-  return nonempty('appName')
+  return nonempty("appName");
 }
 
 export function getCompanyName() {
-  return nonempty('companyName')
+  return nonempty("companyName");
 }
 
 export function getShareTitle() {
-  return nonempty('shareTitle')
+  return nonempty("shareTitle");
 }
 
 export function getMeShareTitle() {
-  return nonempty('shareTitleMe')
+  return nonempty("shareTitleMe");
 }
 
 export function getAgentTabShareTitle() {
-  return nonempty('shareTitleAgent')
+  return nonempty("shareTitleAgent");
 }
 
 export function getAppDebug() {
-  return Boolean(_e.appDebug)
+  return Boolean(_e.appDebug);
 }