diff --git a/zhiyin-app/src/pages/about/about.vue b/zhiyin-app/src/pages/about/about.vue
index b6fae16..2ee111a 100644
--- a/zhiyin-app/src/pages/about/about.vue
+++ b/zhiyin-app/src/pages/about/about.vue
@@ -2,7 +2,7 @@
   <view class="page">
     <view class="logo-area">
       <text class="logo">职引</text>
-      <text class="version">v1.0.0</text>
+      <text class="version">v{{ appVersion }}</text>
     </view>
     <view class="info-section">
       <text class="info-label">产品名称</text>
@@ -18,12 +18,15 @@
     </view>
 
     <!-- #ifdef MP-WEIXIN -->
-    <button class="contact-btn" open-type="contact">
-      <view class="contact-btn-inner">
-        <text class="contact-icon">💬</text>
-        <text class="contact-text">联系在线客服</text>
+    <view class="link-section contact-link-section">
+      <view class="link-item">
+        <button class="contact-btn-inline" open-type="contact">
+          <text class="contact-btn-icon">💬</text>
+          <text class="link-text">联系客服</text>
+          <text class="link-arrow">›</text>
+        </button>
       </view>
-    </button>
+    </view>
     <!-- #endif -->
 
     <view class="link-section">
@@ -47,6 +50,7 @@
 </template>
 
 <script setup>
+const appVersion = typeof __APP_VERSION__ !== 'undefined' ? __APP_VERSION__ : '1.0.0'
 const goAgreement = () => uni.navigateTo({ url: '/pages/agreement/agreement' })
 const goPrivacy = () => uni.navigateTo({ url: '/pages/privacy/privacy' })
 </script>
@@ -69,9 +73,8 @@ const goPrivacy = () => uni.navigateTo({ url: '/pages/privacy/privacy' })
 .disclaimer-title { font-size: 24rpx; font-weight: 700; color: #F59E0B; display: block; margin-bottom: 12rpx; }
 .disclaimer-text { font-size: 22rpx; color: var(--color-text-secondary); line-height: 1.8; }
 
-.contact-btn { width: 100%; background: #FFF; border: none; border-radius: var(--radius-md); padding: 0; margin-bottom: 12rpx; }
-.contact-btn-inner { display: flex; align-items: center; gap: 16rpx; padding: 24rpx 30rpx; }
-.contact-btn:active { opacity: 0.7; }
-.contact-icon { font-size: 28rpx; }
-.contact-text { font-size: 26rpx; color: var(--color-text); }
+.contact-link-section { margin-top: 12rpx; }
+.contact-btn-inline { width: 100%; background: transparent; border: none; border-radius: 0; padding: 0; margin: 0; line-height: inherit; font-size: inherit; text-align: left; display: flex; align-items: center; min-height: auto; }
+.contact-btn-inline::after { border: none; }
+.contact-btn-icon { font-size: 28rpx; margin-right: 16rpx; }
 </style>
diff --git a/zhiyin-app/src/pages/index/index.vue b/zhiyin-app/src/pages/index/index.vue
index 20d5111..99a6d61 100644
--- a/zhiyin-app/src/pages/index/index.vue
+++ b/zhiyin-app/src/pages/index/index.vue
@@ -122,15 +122,22 @@
         <text class="section-desc">AI 时代最热方向，点击直接面试</text>
       </view>
       <view class="ai-banner card" @click="goInterview">
-        <text class="ai-banner-title">🚀 AI 正在重塑整个行业</text>
-        <text class="ai-banner-desc">大模型应用 / Agent 开发 / Prompt 工程 — 顶尖人才缺口巨大，现在上车正当时</text>
+        <view class="ai-banner-icon-wrap">
+          <text class="ai-banner-icon">🤖</text>
+        </view>
+        <view class="ai-banner-body">
+          <text class="ai-banner-title">AI 正在重塑整个行业</text>
+          <text class="ai-banner-desc">大模型应用 / Agent 开发 / Prompt 工程 — 顶尖人才缺口巨大，现在上车正当时</text>
+        </view>
+        <text class="ai-banner-arrow">→</text>
       </view>
-      <view class="position-list card" v-if="!positionsLoading && aiPositions.length > 0">
-        <view class="pos-item" v-for="(pos, idx) in aiPositions" :key="'ai-' + idx" @click="startInterview(pos)">
+      <view class="position-list card" v-if="!positionsLoading && displayAiPositions.length > 0">
+        <view class="pos-item" v-for="(pos, idx) in displayAiPositions" :key="'ai-' + idx" @click="startInterview(pos)">
           <view class="pos-left">
-            <text class="pos-icon pos-icon-ai">{{ pos.icon || posIcons[idx % posIcons.length] || '🤖' }}</text>
+            <text class="pos-icon pos-icon-ai">{{ pos.icon || aiPosIcons[idx % aiPosIcons.length] || '🤖' }}</text>
             <view class="pos-body">
               <text class="pos-name">{{ pos.name }}</text>
+              <text class="pos-name-tag">AI 方向</text>
               <view class="pos-meta-row" v-if="pos.company || pos.salary">
                 <text class="pos-company">{{ pos.company }}</text>
                 <text class="pos-salary">{{ pos.salary }}</text>
@@ -138,7 +145,7 @@
             </view>
           </view>
           <view class="pos-action">
-            <text class="pos-action-text pos-action-ai">立即模拟</text>
+            <text class="pos-action-btn pos-action-ai">开始面试</text>
           </view>
         </view>
       </view>
@@ -154,9 +161,10 @@
       <view class="position-list card" v-if="showMore && !positionsLoading && traditionalPositions.length > 0">
         <view class="pos-item" v-for="(pos, idx) in traditionalPositions" :key="'tr-' + idx" @click="startInterview(pos)">
           <view class="pos-left">
-            <text class="pos-icon">{{ pos.icon || posIcons[(aiPositions.length + idx) % posIcons.length] || '💼' }}</text>
+            <text class="pos-icon">{{ pos.icon || posIcons[(displayAiPositions.length + idx) % posIcons.length] || '💼' }}</text>
             <view class="pos-body">
               <text class="pos-name">{{ pos.name }}</text>
+              <text class="pos-name-tag pos-name-tag-tr">{{ pos.category === 'intern' ? '实习' : '校招' }}</text>
               <view class="pos-meta-row" v-if="pos.company || pos.salary">
                 <text class="pos-company">{{ pos.company }}</text>
                 <text class="pos-salary">{{ pos.salary }}</text>
@@ -164,7 +172,7 @@
             </view>
           </view>
           <view class="pos-action">
-            <text class="pos-action-text">立即模拟</text>
+            <text class="pos-action-btn">立即模拟</text>
           </view>
         </view>
       </view>
@@ -184,12 +192,27 @@ const userInfo = ref(null)
 const greeting = ref('')
 const hotPositions = ref([])
 const posIcons = ['💻', '⚙️', '🤖', '📊', '🎨', '🧪', '📱', '🔧']
+const aiPosIcons = ['🤖', '🧠', '⚡', '🚀', '💡', '🔬']
 const positionsLoading = ref(true)
 const dailyQuestion = ref(null)
 const showAnswer = ref(false)
-const showMore = ref(false)
+const showMore = ref(true)
+
+// 前端兜底 AI 岗位（当 API 返回不足时展示）
+const FALLBACK_AI_POSITIONS = [
+  { name: 'AI Agent 开发工程师', category: 'ai', company: '热门方向', salary: '30K-60K', icon: '🧠' },
+  { name: '大模型应用开发', category: 'ai', company: '热门方向', salary: '25K-50K', icon: '⚡' },
+]
 
 const aiPositions = computed(() => hotPositions.value.filter(p => p.category === 'ai'))
+const displayAiPositions = computed(() => {
+  const fromApi = aiPositions.value
+  if (fromApi.length >= 4) return fromApi
+  // 补充到至少 4 个，去重
+  const existingNames = new Set(fromApi.map(p => p.name))
+  const needed = FALLBACK_AI_POSITIONS.filter(p => !existingNames.has(p.name))
+  return [...fromApi, ...needed]
+})
 const traditionalPositions = computed(() => hotPositions.value.filter(p => p.category !== 'ai'))
 
 const loadUserInfo = () => {
@@ -355,40 +378,60 @@ const startInterview = (pos) => uni.navigateTo({ url: `/pages/interview/intervie
 
 /* AI 岗位专区 */
 .ai-banner {
-  background: linear-gradient(135deg, #FEF3C7, #FDE68A);
+  background: linear-gradient(135deg, #FEF3C7 0%, #FDE68A 50%, #FCD34D 100%);
   padding: 20rpx 24rpx; border-radius: var(--radius-lg); margin-bottom: 16rpx;
-  cursor: pointer;
+  display: flex; align-items: center; gap: 16rpx;
+  box-shadow: 0 4rpx 16rpx rgba(251,191,36,0.2);
+  cursor: pointer; transition: transform 0.15s;
 }
-.ai-banner:active { transform: scale(0.98); }
-.ai-banner-title { font-size: 26rpx; font-weight: 700; color: #92400E; display: block; margin-bottom: 6rpx; }
+.ai-banner:active { transform: scale(0.97); }
+.ai-banner-icon-wrap {
+  width: 64rpx; height: 64rpx; border-radius: 18rpx;
+  background: rgba(255,255,255,0.6); display: flex; align-items: center; justify-content: center; flex-shrink: 0;
+}
+.ai-banner-icon { font-size: 36rpx; }
+.ai-banner-body { flex: 1; min-width: 0; }
+.ai-banner-title { font-size: 26rpx; font-weight: 700; color: #92400E; display: block; margin-bottom: 4rpx; }
 .ai-banner-desc { font-size: 20rpx; color: #A16207; line-height: 1.5; display: block; }
+.ai-banner-arrow { font-size: 28rpx; color: #B45309; font-weight: 600; flex-shrink: 0; }
 
 .position-list { border-radius: var(--radius-lg); overflow: hidden; }
-.pos-item { padding: 24rpx 28rpx; border-bottom: 1rpx solid var(--color-border); display: flex; justify-content: space-between; align-items: center; }
+.pos-item { padding: 26rpx 28rpx; border-bottom: 1rpx solid var(--color-border); display: flex; justify-content: space-between; align-items: center; }
 .pos-item:last-child { border-bottom: none; }
-.pos-item:active { background: var(--color-bg); }
+.pos-item:active { background: #F9FAFB; }
 .pos-left { display: flex; align-items: center; gap: 16rpx; flex: 1; min-width: 0; }
-.pos-icon { font-size: 36rpx; width: 56rpx; height: 56rpx; display: flex; align-items: center; justify-content: center; background: #F3F4F6; border-radius: 14rpx; flex-shrink: 0; }
-.pos-icon-ai { background: #FEF3C7; }
+.pos-icon { font-size: 32rpx; width: 60rpx; height: 60rpx; display: flex; align-items: center; justify-content: center; background: #F3F4F6; border-radius: 16rpx; flex-shrink: 0; }
+.pos-icon-ai { background: linear-gradient(135deg, #FEF3C7, #FDE68A); }
 .pos-body { display: flex; flex-direction: column; flex: 1; min-width: 0; }
 .pos-name { font-size: 28rpx; font-weight: 600; color: var(--color-text); }
+.pos-name-tag {
+  font-size: 18rpx; color: #D97706; background: #FFFBEB; padding: 1rpx 10rpx;
+  border-radius: 6rpx; align-self: flex-start; margin-top: 6rpx;
+}
+.pos-name-tag-tr { color: var(--color-primary); background: #EEF2FF; }
 .pos-meta-row { display: flex; align-items: center; gap: 10rpx; margin-top: 4rpx; }
 .pos-company { font-size: 20rpx; color: var(--color-text-tertiary); }
 .pos-salary { font-size: 20rpx; color: var(--color-primary); background: #EEF2FF; padding: 2rpx 10rpx; border-radius: 6rpx; }
 .pos-action { flex-shrink: 0; margin-left: 16rpx; }
-.pos-action-text { font-size: 22rpx; color: var(--color-primary); font-weight: 600; }
-.pos-action-ai { color: #D97706; }
+.pos-action-btn {
+  font-size: 22rpx; font-weight: 600; color: var(--color-primary);
+  padding: 10rpx 24rpx; border-radius: var(--radius-round);
+  background: #EEF2FF; display: inline-block;
+}
+.pos-action-btn:active { background: #DBEAFE; }
+.pos-action-ai { color: #D97706; background: #FFFBEB; }
 
-/* 更多岗位折叠 */
+/* 更多岗位 */
 .more-header {
   display: flex; justify-content: space-between; align-items: center;
-  padding: 20rpx 4rpx; margin-top: 8rpx; cursor: pointer;
+  padding: 24rpx 20rpx 16rpx; margin-top: 8rpx; cursor: pointer;
+  background: #FFFFFF; border-radius: var(--radius-lg) var(--radius-lg) 0 0;
 }
 .more-header:active { opacity: 0.7; }
 .more-header-left { display: flex; align-items: center; gap: 10rpx; }
 .more-icon { font-size: 28rpx; }
-.more-title { font-size: 26rpx; font-weight: 600; color: var(--color-text-secondary); }
-.more-arrow { font-size: 22rpx; color: var(--color-primary); font-weight: 500; }
+.more-title { font-size: 26rpx; font-weight: 600; color: var(--color-text); }
+.more-arrow { font-size: 22rpx; color: var(--color-primary); font-weight: 500; background: #EEF2FF; padding: 4rpx 16rpx; border-radius: var(--radius-round); }
 
 .loading-tip { text-align: center; padding: 40rpx; font-size: 24rpx; color: var(--color-text-tertiary); background: #FFF; border-radius: var(--radius-lg); }
 .bottom-spacer { height: 40rpx; }
diff --git a/zhiyin-app/src/pages/user/user.vue b/zhiyin-app/src/pages/user/user.vue
index 3384795..e1f7f92 100644
--- a/zhiyin-app/src/pages/user/user.vue
+++ b/zhiyin-app/src/pages/user/user.vue
@@ -98,11 +98,13 @@
       </view>
       <view class="menu-group">
         <!-- #ifdef MP-WEIXIN -->
-        <button class="menu-item contact-btn" open-type="contact">
-          <view class="menu-icon-wrap wrap-gray"><text class="menu-icon">💬</text></view>
-          <text class="menu-text">联系客服</text>
-          <text class="menu-arrow">›</text>
-        </button>
+        <view class="menu-item">
+          <button class="contact-btn-inner" open-type="contact">
+            <view class="menu-icon-wrap wrap-gray"><text class="menu-icon">💬</text></view>
+            <text class="menu-text">联系客服</text>
+            <text class="menu-arrow">›</text>
+          </button>
+        </view>
         <!-- #endif -->
         <view class="menu-item" @click="goAbout">
           <view class="menu-icon-wrap wrap-gray"><text class="menu-icon">ℹ️</text></view>
@@ -329,9 +331,8 @@ const doLogout = () => {
 .menu-area { padding: 0 32rpx 32rpx; margin-top: 8rpx; }
 .menu-group { background: #FFFFFF; border-radius: var(--radius-lg); overflow: hidden; margin-bottom: 24rpx; box-shadow: var(--shadow-sm); }
 .menu-item { display: flex; align-items: center; padding: 28rpx 32rpx; border-bottom: 1rpx solid var(--color-border); }
-.contact-btn { width: 100%; background: transparent; border: none; border-radius: 0; padding: 0; margin: 0; line-height: inherit; font-size: inherit; text-align: left; }
-.contact-btn::after { border: none; }
-.contact-btn:active { background: #F9FAFB; }
+.contact-btn-inner { width: 100%; background: transparent; border: none; border-radius: 0; padding: 0; margin: 0; line-height: inherit; font-size: inherit; text-align: left; display: flex; align-items: center; min-height: auto; }
+.contact-btn-inner::after { border: none; }
 .menu-item:last-child { border-bottom: none; }
 .menu-item:active { background: #F9FAFB; }
 .menu-icon-wrap { width: 60rpx; height: 60rpx; border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; margin-right: 20rpx; flex-shrink: 0; }
diff --git a/zhiyin-app/vite.config.js b/zhiyin-app/vite.config.js
index c0ed2a7..74f323d 100644
--- a/zhiyin-app/vite.config.js
+++ b/zhiyin-app/vite.config.js
@@ -1,8 +1,17 @@
 import { defineConfig } from 'vite';
+import { execSync } from 'child_process';
 import uni from '@dcloudio/vite-plugin-uni';
 
+let appVersion = '1.0.0';
+try {
+  appVersion = execSync('git describe --tags --abbrev=0 2>/dev/null || echo "1.0.0"', { encoding: 'utf8' }).trim().replace(/^v/, '');
+} catch {}
+
 export default defineConfig({
   plugins: [uni()],
+  define: {
+    __APP_VERSION__: JSON.stringify(appVersion),
+  },
   server: {
     port: 8888,
     strictPort: true,