diff --git a/client/src/pages/achievements/achievements.vue b/client/src/pages/achievements/achievements.vue
index a2304ca..727ed2a 100644
--- a/client/src/pages/achievements/achievements.vue
+++ b/client/src/pages/achievements/achievements.vue
@@ -156,6 +156,12 @@ function formatDate(dateStr) {
   const day = String(date.getDate()).padStart(2, '0')
   return `${year}-${month}-${day}`
 }
+
+// 微信小程序分享
+onShareAppMessage(() => ({
+  title: 'AI 维度 - 你的AI知识助手',
+  path: '/pages/index/index'
+}))
 </script>
 
 <style lang="scss" scoped>
diff --git a/client/src/pages/agreement/agreement.vue b/client/src/pages/agreement/agreement.vue
index 32f655f..170bc16 100644
--- a/client/src/pages/agreement/agreement.vue
+++ b/client/src/pages/agreement/agreement.vue
@@ -112,6 +112,12 @@ function onLoad(fn) {
     fn(page.$page.options || {})
   }
 }
+
+// 微信小程序分享
+onShareAppMessage(() => ({
+  title: 'AI 维度 - 你的AI知识助手',
+  path: '/pages/index/index'
+}))
 </script>
 
 <style lang="scss" scoped>
diff --git a/client/src/pages/chat/chat.vue b/client/src/pages/chat/chat.vue
index d70b46f..79a73db 100644
--- a/client/src/pages/chat/chat.vue
+++ b/client/src/pages/chat/chat.vue
@@ -195,6 +195,12 @@ function goShare() {
     }
   })
 }
+
+// 微信小程序右上角三点分享
+onShareAppMessage(() => ({
+  title: 'AI 维度 - AI 问答',
+  path: '/pages/chat/chat'
+}))
 </script>
 
 <style lang="scss" scoped>
diff --git a/client/src/pages/detail/detail.vue b/client/src/pages/detail/detail.vue
index 8c5290d..aceb0c0 100644
--- a/client/src/pages/detail/detail.vue
+++ b/client/src/pages/detail/detail.vue
@@ -188,6 +188,12 @@ function goBack() {
 function goToAI() {
   uni.switchTab({ url: '/pages/chat/chat' })
 }
+
+// 微信小程序分享
+onShareAppMessage(() => ({
+  title: 'AI 维度 - 你的AI知识助手',
+  path: '/pages/index/index'
+}))
 </script>
 
 <style lang="scss" scoped>
diff --git a/client/src/pages/dimension/dimension.vue b/client/src/pages/dimension/dimension.vue
index 964aac3..639fc2f 100644
--- a/client/src/pages/dimension/dimension.vue
+++ b/client/src/pages/dimension/dimension.vue
@@ -164,6 +164,12 @@ function goDetail(item) {
     url: `/pages/detail/detail?id=${item._id}`
   })
 }
+
+// 微信小程序分享
+onShareAppMessage(() => ({
+  title: 'AI 维度 - 你的AI知识助手',
+  path: '/pages/index/index'
+}))
 </script>
 
 <style lang="scss" scoped>
diff --git a/client/src/pages/favorites/favorites.vue b/client/src/pages/favorites/favorites.vue
index ca8f7fb..8a377f6 100644
--- a/client/src/pages/favorites/favorites.vue
+++ b/client/src/pages/favorites/favorites.vue
@@ -112,6 +112,12 @@ async function removeFav(id, idx) {
 function goHome() {
   uni.switchTab({ url: '/pages/index/index' })
 }
+
+// 微信小程序分享
+onShareAppMessage(() => ({
+  title: 'AI 维度 - 你的AI知识助手',
+  path: '/pages/index/index'
+}))
 </script>
 
 <style lang="scss" scoped>
diff --git a/client/src/pages/feedback/feedback.vue b/client/src/pages/feedback/feedback.vue
index 1442968..2339b13 100644
--- a/client/src/pages/feedback/feedback.vue
+++ b/client/src/pages/feedback/feedback.vue
@@ -226,6 +226,12 @@ onMounted(() => {
 function goBack() {
   uni.navigateBack()
 }
+
+// 微信小程序分享
+onShareAppMessage(() => ({
+  title: 'AI 维度 - 你的AI知识助手',
+  path: '/pages/index/index'
+}))
 </script>
 
 <style lang="scss" scoped>
diff --git a/client/src/pages/index/index.vue b/client/src/pages/index/index.vue
index b1bc84f..71e3c6c 100644
--- a/client/src/pages/index/index.vue
+++ b/client/src/pages/index/index.vue
@@ -151,6 +151,12 @@ function goNewsDetail(item) {
   uni.setStorageSync('__news_item__', JSON.stringify(item))
   uni.navigateTo({ url: '/pages/news/news' })
 }
+
+// 微信小程序分享
+onShareAppMessage(() => ({
+  title: 'AI 维度 - 你的AI知识助手',
+  path: '/pages/index/index'
+}))
 </script>
 
 <style lang="scss" scoped>
diff --git a/client/src/pages/leaderboard/leaderboard.vue b/client/src/pages/leaderboard/leaderboard.vue
index 44fffef..ff8a45c 100644
--- a/client/src/pages/leaderboard/leaderboard.vue
+++ b/client/src/pages/leaderboard/leaderboard.vue
@@ -133,6 +133,12 @@ function dimDotColor(id) {
   const dim = getDimension(id)
   return dim ? dim.color : 'rgba(255,255,255,0.2)'
 }
+
+// 微信小程序分享
+onShareAppMessage(() => ({
+  title: 'AI 维度 - 你的AI知识助手',
+  path: '/pages/index/index'
+}))
 </script>
 
 <style lang="scss" scoped>
diff --git a/client/src/pages/login/login.vue b/client/src/pages/login/login.vue
index baf27fc..d18de84 100644
--- a/client/src/pages/login/login.vue
+++ b/client/src/pages/login/login.vue
@@ -273,6 +273,12 @@ function openAgreement(type) {
   }
   uni.navigateTo({ url: pages[type] || pages.terms })
 }
+
+// 微信小程序分享
+onShareAppMessage(() => ({
+  title: 'AI 维度 - 你的AI知识助手',
+  path: '/pages/index/index'
+}))
 </script>
 
 <style lang="scss" scoped>
diff --git a/client/src/pages/news/news.vue b/client/src/pages/news/news.vue
index fdf5fa4..4b40f94 100644
--- a/client/src/pages/news/news.vue
+++ b/client/src/pages/news/news.vue
@@ -197,6 +197,12 @@ function openSource() {
 onMounted(() => {
   loadDetail()
 })
+
+// 微信小程序分享
+onShareAppMessage(() => ({
+  title: 'AI 维度 - 你的AI知识助手',
+  path: '/pages/index/index'
+}))
 </script>
 
 <style lang="scss" scoped>
diff --git a/client/src/pages/payment/payment.vue b/client/src/pages/payment/payment.vue
index dc2d586..28f5a96 100644
--- a/client/src/pages/payment/payment.vue
+++ b/client/src/pages/payment/payment.vue
@@ -30,12 +30,15 @@
             <text class="plan-name">Pro</text>
             <view class="plan-badge" v-if="selectedPlan === 'pro'">推荐</view>
           </view>
-          <text class="plan-price">¥19.9</text>
-          <text class="plan-unit">/ 月</text>
+          <view class="plan-price-row">
+            <text class="plan-price">¥19.9</text>
+            <text class="plan-unit">/ 月</text>
+          </view>
           <view class="plan-features">
             <text class="plan-feature">✓ AI 问答无限次</text>
             <text class="plan-feature">✓ 全量知识解锁</text>
             <text class="plan-feature">✓ 收藏无限容量</text>
+            <text class="plan-feature">✓ 趋势优先推送</text>
           </view>
         </view>
         <view
@@ -47,52 +50,15 @@
             <text class="plan-name">VIP</text>
             <view class="plan-badge vip-badge" v-if="selectedPlan === 'vip'">尊享</view>
           </view>
-          <text class="plan-price vip-price">¥39.9</text>
-          <text class="plan-unit">/ 月</text>
+          <view class="plan-price-row">
+            <text class="plan-price vip-price">¥39.9</text>
+            <text class="plan-unit">/ 月</text>
+          </view>
           <view class="plan-features">
             <text class="plan-feature">✓ 含 Pro 全部权益</text>
             <text class="plan-feature">✓ 专属客服支持</text>
             <text class="plan-feature">✓ 专属会员标识</text>
-          </view>
-        </view>
-      </view>
-
-      <!-- 套餐时长 -->
-      <view class="duration-section">
-        <text class="section-title">选择套餐</text>
-        <view class="duration-list">
-          <view
-            class="duration-item"
-            :class="{ active: selectedDuration === item.key }"
-            v-for="item in durationOptions"
-            :key="item.key"
-            @click="selectedDuration = item.key"
-          >
-            <text class="d-label">{{ item.label }}</text>
-            <text class="d-price">¥{{ item.price }}</text>
-            <text class="d-save" v-if="item.save">省 {{ item.save }}</text>
-          </view>
-        </view>
-      </view>
-
-      <!-- 权益清单 -->
-      <view class="benefits-section">
-        <text class="section-title">权益对比</text>
-        <view class="benefits-card">
-          <view
-            class="benefit-row"
-            v-for="(item, idx) in benefitList"
-            :key="idx"
-          >
-            <view class="benefit-left">
-              <text class="benefit-icon">{{ item.icon }}</text>
-              <text class="benefit-text">{{ item.text }}</text>
-            </view>
-            <view class="benefit-check">
-              <text class="check-mark" :class="{ 'pro-only': item.proOnly, 'vip-only': !item.proOnly }">
-                {{ item.proOnly ? 'Pro' : (item.hasPro ? 'Pro+VIP' : 'VIP') }}
-              </text>
-            </view>
+            <text class="plan-feature">✓ 工具教程 + 学习路径</text>
           </view>
         </view>
       </view>
@@ -124,30 +90,16 @@ import { useUserStore } from '@/stores/user'
 
 const userStore = useUserStore()
 
-const selectedPlan = ref('pro')
-const selectedDuration = ref('pro-monthly')
+const selectedPlan = ref('pro') // 'pro' | 'vip'
 
-const durationOptions = computed(() => {
-  const isPro = selectedPlan.value === 'pro'
-  return [
-    { key: isPro ? 'pro-monthly' : 'vip-monthly', label: '月付', price: isPro ? 19.9 : 39.9 },
-    { key: isPro ? 'pro-quarterly' : 'vip-quarterly', label: '季付', price: isPro ? 49.9 : 99.9, save: isPro ? '¥10' : '¥20' }
-  ]
-})
+// 方案 → 对应数据库的商品 ID 和价格（单位：元）
+const PLAN_MAP = {
+  pro: { productId: 'pro_monthly', price: 19.9 },
+  vip: { productId: 'vip_monthly', price: 39.9 }
+}
 
-const benefitList = ref([
-  { icon: '🤖', text: 'AI 问答无限次', proOnly: true, hasPro: true },
-  { icon: '📚', text: '全量知识内容解锁', proOnly: true, hasPro: true },
-  { icon: '📡', text: '每日趋势优先推送', proOnly: true, hasPro: true },
-  { icon: '⭐', text: '收藏夹无限容量', proOnly: true, hasPro: true },
-  { icon: '💬', text: '专属客服支持', proOnly: false, hasPro: false },
-  { icon: '🎁', text: '专属会员标识', proOnly: false, hasPro: false }
-])
-
-const currentPrice = computed(() => {
-  const item = durationOptions.value.find(d => d.key === selectedDuration.value)
-  return item ? item.price : 19.9
-})
+const currentPrice = computed(() => PLAN_MAP[selectedPlan.value].price)
+const currentProductId = computed(() => PLAN_MAP[selectedPlan.value].productId)
 
 const loading = ref(false)
 
@@ -157,7 +109,14 @@ async function handlePay() {
     return
   }
 
-  const productId = selectedDuration.value
+  const plan = PLAN_MAP[selectedPlan.value]
+  if (!plan || !plan.productId || plan.price <= 0) {
+    uni.showToast({ title: '请选择有效的套餐', icon: 'none' })
+    return
+  }
+
+  const productId = plan.productId
+  const amount = plan.price
 
   loading.value = true
   try {
@@ -165,6 +124,17 @@ async function handlePay() {
     const payParam = data.payParams || data.wechatParam || data.paymentData
 
     if (payParam) {
+      // 校验支付参数金额（分）与所选金额一致
+      // 微信返回的 amount 可能是 number 或 string
+      const payAmountFen = payParam.totalFee || payParam.amount || data.amount
+      const expectedFen = Math.round(amount * 100)
+      if (parseInt(payAmountFen, 10) !== expectedFen) {
+        console.error(`支付金额不匹配: 前端 ¥${amount} / 后端 ${payAmountFen} 分`)
+        uni.showToast({ title: '支付金额异常，请重试', icon: 'none' })
+        loading.value = false
+        return
+      }
+
       uni.requestPayment({
         provider: 'wxpay',
         timeStamp: payParam.timeStamp || payParam.timestamp,
@@ -173,7 +143,7 @@ async function handlePay() {
         signType: payParam.signType || 'MD5',
         paySign: payParam.paySign,
         success: () => {
-          uni.showToast({ title: '支付成功！', icon: 'success' })
+          uni.showToast({ title: `支付成功！金额 ¥${amount}`, icon: 'success' })
           setTimeout(() => {
             uni.navigateBack()
           }, 1500)
@@ -200,6 +170,12 @@ async function handlePay() {
 function goBack() {
   uni.navigateBack()
 }
+
+// 微信小程序分享
+onShareAppMessage(() => ({
+  title: 'AI 维度 - 你的AI知识助手',
+  path: '/pages/index/index'
+}))
 </script>
 
 <style lang="scss" scoped>
@@ -341,7 +317,12 @@ function goBack() {
   font-size: 28px;
   font-weight: 700;
   color: var(--dim1-color);
-  display: inline;
+}
+
+.plan-price-row {
+  display: flex;
+  align-items: baseline;
+  margin-bottom: 12px;
 }
 
 .plan-card.vip .plan-price {
@@ -367,120 +348,6 @@ function goBack() {
   line-height: 1.5;
 }
 
-// 套餐时长
-.duration-section {
-  margin-bottom: 24px;
-}
-
-.section-title {
-  font-size: 14px;
-  font-weight: 600;
-  color: var(--text-primary);
-  display: block;
-  margin-bottom: 12px;
-}
-
-.duration-list {
-  display: flex;
-  gap: 10px;
-}
-
-.duration-item {
-  flex: 1;
-  padding: 14px 12px;
-  background: var(--glass-bg);
-  border: 1.5px solid var(--glass-border);
-  border-radius: 14px;
-  text-align: center;
-  transition: all 0.3s;
-
-  &.active {
-    border-color: var(--dim1-color);
-    background: linear-gradient(135deg, rgba(99,102,241,0.1), rgba(99,102,241,0.05));
-  }
-}
-
-.d-label {
-  font-size: 13px;
-  color: var(--text-secondary);
-  display: block;
-  margin-bottom: 6px;
-}
-
-.d-price {
-  font-size: 18px;
-  font-weight: 700;
-  color: var(--text-primary);
-  display: block;
-}
-
-.d-save {
-  font-size: 11px;
-  font-weight: 600;
-  color: #4db6ac;
-  display: block;
-  margin-top: 4px;
-}
-
-// 权益对比
-.benefits-section {
-  margin-bottom: 24px;
-}
-
-.benefits-card {
-  background: var(--glass-bg);
-  border: 1px solid var(--glass-border);
-  border-radius: 14px;
-  overflow: hidden;
-}
-
-.benefit-row {
-  display: flex;
-  align-items: center;
-  justify-content: space-between;
-  padding: 14px 16px;
-
-  &:not(:last-child) {
-    border-bottom: 1px solid var(--glass-border);
-  }
-}
-
-.benefit-left {
-  display: flex;
-  align-items: center;
-  gap: 10px;
-}
-
-.benefit-icon {
-  font-size: 16px;
-  width: 24px;
-  text-align: center;
-}
-
-.benefit-text {
-  font-size: 13px;
-  color: var(--text-secondary);
-}
-
-.benefit-check {
-  .check-mark {
-    font-size: 11px;
-    font-weight: 600;
-    padding: 2px 10px;
-    border-radius: 8px;
-
-    &.pro-only {
-      background: rgba(99,102,241,0.1);
-      color: var(--dim1-color);
-    }
-
-    &.vip-only {
-      background: rgba(255,167,38,0.1);
-      color: #ffa726;
-    }
-  }
-}
-
 // 支付
 .pay-section {
   margin-bottom: 24px;
diff --git a/client/src/pages/profile/profile.vue b/client/src/pages/profile/profile.vue
index 32c7b05..a71b2c7 100644
--- a/client/src/pages/profile/profile.vue
+++ b/client/src/pages/profile/profile.vue
@@ -274,6 +274,12 @@ function goAbout() {
 function goSettings() {
   uni.navigateTo({ url: '/pages/settings/settings' })
 }
+
+// 微信小程序分享
+onShareAppMessage(() => ({
+  title: 'AI 维度 - 你的AI知识助手',
+  path: '/pages/index/index'
+}))
 </script>
 
 <style lang="scss" scoped>
diff --git a/client/src/pages/progress/progress.vue b/client/src/pages/progress/progress.vue
index 7d2c2fc..e8ad834 100644
--- a/client/src/pages/progress/progress.vue
+++ b/client/src/pages/progress/progress.vue
@@ -223,6 +223,12 @@ onMounted(() => {
 function goBack() {
   uni.navigateBack()
 }
+
+// 微信小程序分享
+onShareAppMessage(() => ({
+  title: 'AI 维度 - 你的AI知识助手',
+  path: '/pages/index/index'
+}))
 </script>
 
 <style lang="scss" scoped>
diff --git a/client/src/pages/search/search.vue b/client/src/pages/search/search.vue
index 4a2dc0b..49daa6b 100644
--- a/client/src/pages/search/search.vue
+++ b/client/src/pages/search/search.vue
@@ -186,6 +186,12 @@ onMounted(() => {
 onUnmounted(() => {
   if (debounceTimer) clearTimeout(debounceTimer)
 })
+
+// 微信小程序分享
+onShareAppMessage(() => ({
+  title: 'AI 维度 - 你的AI知识助手',
+  path: '/pages/index/index'
+}))
 </script>
 
 <style lang="scss" scoped>
diff --git a/client/src/pages/settings/settings.vue b/client/src/pages/settings/settings.vue
index 0979a0d..6dabeee 100644
--- a/client/src/pages/settings/settings.vue
+++ b/client/src/pages/settings/settings.vue
@@ -137,6 +137,12 @@ function showAgreement() {
     showCancel: false
   })
 }
+
+// 微信小程序分享
+onShareAppMessage(() => ({
+  title: 'AI 维度 - 你的AI知识助手',
+  path: '/pages/index/index'
+}))
 </script>
 
 <style lang="scss" scoped>
diff --git a/client/src/pages/trend/trend.vue b/client/src/pages/trend/trend.vue
index 0416d5c..232758a 100644
--- a/client/src/pages/trend/trend.vue
+++ b/client/src/pages/trend/trend.vue
@@ -179,6 +179,12 @@ function getSampleData() {
     }
   ]
 }
+
+// 微信小程序分享
+onShareAppMessage(() => ({
+  title: 'AI 维度 - 你的AI知识助手',
+  path: '/pages/index/index'
+}))
 </script>
 
 <style lang="scss" scoped>