diff --git a/pages/goods-detail/goods-detail.wxml b/pages/goods-detail/goods-detail.wxml
index d2c75e8..19e6ed6 100644
--- a/pages/goods-detail/goods-detail.wxml
+++ b/pages/goods-detail/goods-detail.wxml
@@ -119,7 +119,6 @@
 
     <!-- 联系信息 -->
     <view class="contact-info">
-      <text class="contact-label">联系信息</text>
       <view class="contact-content">
         <view class="contact-item">
           <text class="contact-icon user-icon">👤</text>
@@ -134,7 +133,7 @@
           </view>
         </view>
       </view>
-  </view>
+    </view>
   
   <!-- 登录弹窗 -->
   <view wx:if="{{showOneKeyLoginModal}}" class="auth-modal-overlay">
diff --git a/pages/goods-detail/goods-detail.wxss b/pages/goods-detail/goods-detail.wxss
index 0d5519e..74453c9 100644
--- a/pages/goods-detail/goods-detail.wxss
+++ b/pages/goods-detail/goods-detail.wxss
@@ -53,14 +53,14 @@
 
 /* 商品详情内容区域 */
 .goods-detail-content {
-  padding-top: 44px;
-  padding-bottom: 100px;
+  padding-top: 0; /* 移除顶部内边距，消除空白 */
+  padding-bottom: 90px; /* 减小底部内边距 */
 }
 
 /* 商品图片轮播 */
 .goods-image-slider {
   width: 100%;
-  height: 280px;
+  height: 240px; /* 适当增大图片高度 */
   background: linear-gradient(135deg, #f0f4ff 0%, #d9e4ff 100%);
   overflow: hidden;
   position: relative;
@@ -89,7 +89,7 @@
   display: flex;
   align-items: center;
   justify-content: center;
-  padding: 20px;
+  padding: 10px; /* 减小内边距 */
   box-sizing: border-box;
 }
 
@@ -109,9 +109,10 @@
 /* 商品基本信息 */
 .goods-info {
   background-color: #ffffff;
-  padding: 20px 16px 16px;
+  padding: 14px 16px 10px; /* 适当增大内边距 */
   position: relative;
   box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
+  margin-top: 0; /* 移除负外边距，让图片和信息自然衔接 */
 }
 
 .goods-info::after {
@@ -126,22 +127,22 @@
 
 .goods-name {
   display: block;
-  font-size: 20px;
+  font-size: 20px; /* 适当增大字体大小 */
   font-weight: 700;
   color: #262626;
-  margin-bottom: 12px;
-  line-height: 1.4;
+  margin-bottom: 10px; /* 适当增大底部间距 */
+  line-height: 1.35; /* 适当增大行高 */
   letter-spacing: -0.2px;
 }
 
 .goods-price {
   display: flex;
   align-items: center;
-  margin-bottom: 4px;
+  margin-bottom: 6px;
 }
 
 .price-symbol {
-  font-size: 18px;
+  font-size: 18px; /* 适当增大字体大小 */
   color: #666;
   margin-right: 4px;
   font-weight: 500;
@@ -151,7 +152,7 @@
 }
 
 .price-value {
-  font-size: 24px;
+  font-size: 26px; /* 适当增大字体大小 */
   color: #ff4d4f;
   font-weight: 700;
   letter-spacing: -0.5px;
@@ -193,15 +194,15 @@
 /* 商品详细信息网格 */
 .info-grid {
   background-color: #ffffff;
-  margin: 12px 0;
-  padding: 16px;
+  margin: 8px 0;
+  padding: 12px;
   box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
 }
 
 .info-row {
   display: flex;
   flex-wrap: wrap;
-  margin-bottom: 16px;
+  margin-bottom: 10px;
   background: #f0f5ff;
   border-radius: 10px;
   overflow: hidden;
@@ -216,7 +217,7 @@
   flex: 0 0 50%;
   display: flex;
   flex-direction: column;
-  padding: 14px 16px;
+  padding: 12px 14px;
   box-sizing: border-box;
   position: relative;
 }
@@ -232,7 +233,7 @@
 }
 
 .info-label-container {
-  margin-bottom: 6px;
+  margin-bottom: 4px; /* 减小间距 */
 }
 
 .info-label {
@@ -240,11 +241,11 @@
   color: #8c8c8c;
   font-weight: 500;
   text-transform: uppercase;
-  letter-spacing: 0.3px;
+  letter-spacing: 0.2px;
 }
 
 .info-value-container {
-  min-height: 24px;
+  min-height: 20px; /* 减小最小高度 */
 }
 
 .info-value {
@@ -256,72 +257,67 @@
 
 /* 联系信息 */
 .contact-info {
-  margin: 16px;
-  padding: 16px;
-  border-radius: 12px;
+  margin: 8px 16px; /* 减小外边距 */
+  padding: 12px; /* 减小内边距 */
+  border-radius: 10px; /* 减小圆角 */
   background: #ffffff;
   border: 1px solid #d6e4ff;
   box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
 }
 
 .contact-label {
-  display: block;
-  font-size: 16px;
-  font-weight: 600;
-  color: #2f54eb;
-  margin-bottom: 16px;
-  text-align: center;
+  display: none; /* 隐藏联系信息标题，节省空间 */
 }
 
 .contact-content {
   display: flex;
   flex-direction: column;
-  gap: 12px;
+  gap: 6px; /* 减小间距 */
 }
 
 .contact-item {
   display: flex;
   align-items: center;
-  padding: 8px 0;
+  padding: 6px 0; /* 减小内边距 */
 }
 
 .phone-item {
   display: flex;
   align-items: center;
   justify-content: space-between;
-  padding: 8px 0;
+  padding: 6px 0; /* 减小内边距 */
 }
 
 .contact-icon {
-  font-size: 16px;
-  margin-right: 10px;
+  font-size: 14px; /* 减小图标大小 */
+  margin-right: 8px; /* 减小间距 */
   flex-shrink: 0;
-  width: 20px;
+  width: 18px; /* 减小宽度 */
   text-align: center;
   color: #2f54eb;
 }
 
 .user-icon {
-  font-size: 18px;
+  font-size: 16px; /* 减小图标大小 */
 }
 
 .phone-icon {
-  font-size: 18px;
+  font-size: 16px; /* 减小图标大小 */
 }
 
 .contact-label-text {
-  font-size: 14px;
+  font-size: 13px; /* 减小字体大小 */
   color: #595959;
-  margin-right: 8px;
+  margin-right: 6px; /* 减小间距 */
   white-space: nowrap;
   flex-shrink: 0;
 }
 
 .contact-text {
-  font-size: 14px;
+  font-size: 13px; /* 减小字体大小 */
   color: #262626;
   flex-shrink: 0;
-  margin-right: 16px;
+  margin-right: 12px; /* 减小间距 */
 }
 
 .phone-info {
@@ -363,22 +359,32 @@
 
 /* 底部按钮区域样式 */
 .action-buttons {
-  display: flex;
-  justify-content: space-around;
-  align-items: center;
-  padding: 16px;
-  background-color: #ffffff;
   position: fixed;
   bottom: 0;
   left: 0;
   right: 0;
-  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.05);
+  padding: 12px 16px; /* 减小内边距 */
+  background-color: #ffffff;
+  border-top: 1px solid #f0f0f0;
+  box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.06);
+  z-index: 99;
+  display: flex;
+  gap: 8px; /* 减小按钮间距 */
 }
 
 .bottom-button {
   flex: 1;
-  margin: 0 8px;
-  font-weight: 500;
+  height: 48px; /* 减小按钮高度 */
+  border-radius: 24px; /* 减小圆角 */
+  font-size: 16px; /* 减小字体大小 */
+  font-weight: 700;
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  border: none;
+  outline: none;
+  transition: all 0.3s ease;
+  margin: 0;
 }
 
 .bottom-button:active {
@@ -392,38 +398,21 @@
   box-shadow: 0 4px 12px rgba(47, 84, 235, 0.3);
 }
 
-.call-button:active {
-  background-color: #1d39c4;
-  transform: scale(0.98);
+.call-button.bottom-button {
+  background-color: #ffffff;
+  color: #2f54eb;
+  border: 2px solid #2f54eb;
+  box-shadow: none;
 }
 
-/* 操作按钮区域 */
-.action-buttons {
-  position: fixed;
-  bottom: 0;
-  left: 0;
-  right: 0;
-  padding: 16px;
-  background-color: #ffffff;
-  border-top: 1px solid #f0f0f0;
-  box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.06);
-  z-index: 99;
-  display: flex;
-  gap: 12px;
+.call-button.bottom-button:active {
+  background-color: #f0f4ff;
+  transform: scale(0.98);
 }
 
-.bottom-button {
-  flex: 1;
-  height: 52px;
-  border-radius: 26px;
-  font-size: 18px;
-  font-weight: 700;
-  display: flex;
-  justify-content: center;
-  align-items: center;
-  border: none;
-  outline: none;
-  transition: all 0.3s ease;
+.chat-button.bottom-button:active {
+  background-color: #d6f7e6;
+  transform: scale(0.98);
 }
 
 .call-button.bottom-button {
diff --git a/pages/index/index.js b/pages/index/index.js
index 15abb62..8cbfb5e 100644
--- a/pages/index/index.js
+++ b/pages/index/index.js
@@ -447,8 +447,13 @@ Page({
       const imageUrls = product.imageUrls || product.images || [];
       const formattedImageUrls = Array.isArray(imageUrls) ? imageUrls : [imageUrls];
       
+      // 确保商品ID的一致性
+      const productId = product.productId || product.id;
+      
       return {
         ...product,
+        id: productId, // 统一使用id字段
+        productId: productId, // 同时保留productId字段
         category: product.category || '',
         fullRegion: product.region || '',
         region: product.region ? this.extractProvince(product.region) : '',
@@ -471,12 +476,23 @@ Page({
       }
     })
     
+    // 过滤隐藏状态的商品
     newGoods = newGoods.filter(item => (item.status || '').toLowerCase() !== 'hidden')
     
+    // 先对新商品进行内部查重
+    const uniqueNewGoodsMap = new Map();
+    newGoods.forEach(item => {
+      if (!uniqueNewGoodsMap.has(item.id)) {
+        uniqueNewGoodsMap.set(item.id, item);
+      }
+    });
+    newGoods = Array.from(uniqueNewGoodsMap.values());
+    
     // 更新商品的收藏状态
     this.updateGoodsFavoriteStatus(newGoods, isLoadMore)
     
-    // 只在第一页或刷新时在商品列表最前面插入广告
+    // 只在第一页或刷新时在商品列表最前面插入广告，且只插入一次
+    let adSlotsAdded = false;
     if ((!isLoadMore || this.data.page === 1) && newGoods.length > 0) {
       // 确保广告位在最前面
       const adSlots = [
@@ -499,14 +515,17 @@ Page({
       ];
       
       newGoods = [...adSlots, ...newGoods];
+      adSlotsAdded = true;
     }
     
     let updatedGoods = []
     if (isLoadMore) {
+      // 加载更多时，去重处理
       const existingIds = new Set(this.data.goods.map(item => item.id));
       const uniqueNewGoods = newGoods.filter(item => !existingIds.has(item.id));
       updatedGoods = [...this.data.goods, ...uniqueNewGoods];
     } else {
+      // 首次加载或切换分类时，直接使用去重后的新商品
       updatedGoods = newGoods
     }
     
@@ -537,8 +556,13 @@ Page({
       const imageUrls = product.imageUrls || product.images || [];
       const formattedImageUrls = Array.isArray(imageUrls) ? imageUrls : [imageUrls];
       
+      // 确保商品ID的一致性
+      const productId = product.productId || product.id;
+      
       return {
         ...product,
+        id: productId, // 统一使用id字段
+        productId: productId, // 同时保留productId字段
         category: product.category || '',
         fullRegion: product.region || '',
         region: product.region ? this.extractProvince(product.region) : '',
@@ -563,9 +587,20 @@ Page({
     
     newGoods = newGoods.filter(item => (item.status || '').toLowerCase() !== 'hidden')
     
-    const existingIds = new Set(existingGoods.filter(item => !item.isAd).map(item => item.id));
+    // 对新商品进行内部查重
+    const newGoodsMap = new Map();
+    newGoods.forEach(item => {
+      if (!newGoodsMap.has(item.id)) {
+        newGoodsMap.set(item.id, item);
+      }
+    });
+    newGoods = Array.from(newGoodsMap.values());
+    
+    // 移除与现有商品重复的新商品（包括广告和普通商品）
+    const existingIds = new Set(existingGoods.map(item => item.id));
     const uniqueNewGoods = newGoods.filter(item => !existingIds.has(item.id));
     
+    // 合并现有商品和去重后的新商品
     const updatedGoods = [...existingGoods, ...uniqueNewGoods]
     
     const filteredGoods = this.applyFilters(updatedGoods, false)
@@ -754,35 +789,50 @@ Page({
   processCachedGoods: function(cachedGoods, isLoadMore) {
     console.log('processCachedGoods 被调用, isLoadMore:', isLoadMore);
     
-    // 处理商品数据格式
-    const processedGoods = cachedGoods.map(product => {
+    // 处理商品数据格式并去重
+    const goodsMap = new Map();
+    
+    cachedGoods.forEach(product => {
       const imageUrls = product.imageUrls || product.images || [];
       const formattedImageUrls = Array.isArray(imageUrls) ? imageUrls : [imageUrls];
       
-      return {
-        ...product,
-        category: product.category || '',
-        fullRegion: product.region || '',
-        region: product.region ? this.extractProvince(product.region) : '',
-        grossWeight: product.grossWeight || product.weight || '',
-        displayGrossWeight: product.grossWeight || product.weight || '',
-        status: product.status || 'published',
-        createdAt: product.created_at || product.createTime || null,
-        reservedCount: product.reservedCount || product.selected || 0,
-        reservedCountDisplay: product.reservedCount || product.selected || 0,
-        sales: product.sales || product.reservedCount || Math.floor(Math.random() * 1000) + 100,
-        product_contact: product.product_contact || '',
-        contact_phone: product.contact_phone || '',
-        supplyStatus: product.supplyStatus || '',
-        sourceType: product.sourceType || '',
-        negotiateStatus: '可议价',
-        isReserved: false,
-        isFavorite: false,
-        currentImageIndex: 0,
-        imageUrls: formattedImageUrls
+      // 确保商品ID的一致性
+      const productId = product.productId || product.id;
+      
+      // 只有当商品ID不存在时才添加，避免重复
+      if (!goodsMap.has(productId)) {
+        const processedProduct = {
+          ...product,
+          id: productId, // 统一使用id字段
+          productId: productId, // 同时保留productId字段
+          category: product.category || '',
+          fullRegion: product.region || '',
+          region: product.region ? this.extractProvince(product.region) : '',
+          grossWeight: product.grossWeight || product.weight || '',
+          displayGrossWeight: product.grossWeight || product.weight || '',
+          status: product.status || 'published',
+          createdAt: product.created_at || product.createTime || null,
+          reservedCount: product.reservedCount || product.selected || 0,
+          reservedCountDisplay: product.reservedCount || product.selected || 0,
+          sales: product.sales || product.reservedCount || Math.floor(Math.random() * 1000) + 100,
+          product_contact: product.product_contact || '',
+          contact_phone: product.contact_phone || '',
+          supplyStatus: product.supplyStatus || '',
+          sourceType: product.sourceType || '',
+          negotiateStatus: '可议价',
+          isReserved: false,
+          isFavorite: false,
+          currentImageIndex: 0,
+          imageUrls: formattedImageUrls
+        };
+        
+        goodsMap.set(productId, processedProduct);
       }
     });
     
+    // 转换为数组
+    const processedGoods = Array.from(goodsMap.values());
+    
     // 更新收藏状态
     this.updateGoodsFavoriteStatus(processedGoods, false);
     
@@ -862,6 +912,21 @@ Page({
       filtered = filtered.filter(item => item.isAd || (item.region && item.region.includes(selectedRegion)))
     }
     
+    // 去重处理 - 确保返回的商品列表中没有重复的商品
+    const uniqueGoodsMap = new Map();
+    filtered.forEach(item => {
+      // 使用id作为唯一标识，如果id不存在则使用productId
+      const uniqueId = item.id || item.productId;
+      if (uniqueId && !uniqueGoodsMap.has(uniqueId)) {
+        uniqueGoodsMap.set(uniqueId, item);
+      }
+      // 对于广告位，使用它们的唯一id
+      else if (item.isAd && !uniqueGoodsMap.has(item.id)) {
+        uniqueGoodsMap.set(item.id, item);
+      }
+    });
+    filtered = Array.from(uniqueGoodsMap.values());
+    
     if (shouldSort) {
       filtered.sort((a, b) => {
         const reservedCountA = a.reservedCount || 0
diff --git a/pages/index/index.wxml b/pages/index/index.wxml
index 76cda77..dd3daae 100644
--- a/pages/index/index.wxml
+++ b/pages/index/index.wxml
@@ -100,10 +100,7 @@
         <text class="sidebar-item-icon">📢</text>
         <text class="sidebar-item-text">招商合作</text>
       </view>
-      <view class="sidebar-item" bindtap="navigateToCustomerService" data-type="buyer">
-        <text class="sidebar-item-icon">📞</text>
-        <text class="sidebar-item-text">联系我们</text>
-      </view>
+      
     </view>
   </view>