fix(productDetail): 修复未绑定微信时显示联系按钮的问题

refactor(myFavorites): 重构取消关注对话框的内容结构
feat(BrandModelPicker): 新增爱玛品牌多个车型选项

@@ -114,7 +114,13 @@ const brandModelMap = ref({
     { text: 'A1 Pro', value: 'aima_a1_pro' },
     { text: 'A2 Max', value: 'aima_a2_max' },
     { text: 'A3 Plus', value: 'aima_a3_plus' },
-    { text: 'A4 Elite', value: 'aima_a4_elite' }
+    { text: 'A4 Elite', value: 'aima_a4_elite' },
+    { text: 'A4i', value: 'aima_a4i' },
+    { text: 'A4i+', value: 'aima_a4i_plus' },
+    { text: 'A5', value: 'aima_a5' },
+    { text: 'A5i', value: 'aima_a5i' },
+    { text: 'A6', value: 'aima_a6' },
+    { text: 'A6i', value: 'aima_a6i' },
   ],
   'yadi': [
     { text: 'Y1 智享版', value: 'yadi_y1_smart' },

 <!--
  * @Date: 2022-09-19 14:11:06
  * @LastEditors: hookehuyr hookehuyr@gmail.com
- * @LastEditTime: 2025-07-04 14:30:46
+ * @LastEditTime: 2025-07-08 14:47:52
  * @FilePath: /jgdl/src/pages/myFavorites/index.vue
  * @Description: 我的关注页面
 -->
@@ -86,12 +86,17 @@
         <nut-dialog
             v-model:visible="showConfirmModal"
             title="温馨提示"
-            content="确定要取消关注此车辆吗？"
             cancel-text="取消"
             ok-text="确认"
             @cancel="showConfirmModal = false"
             @ok="confirmUnfollow"
-        />
+        >
+            <template #default>
+            <view>
+            <text style="font-size: 1rem;">确定要取消关注此车辆吗？</text>
+            </view>
+        </template>
+        </nut-dialog>
 
         <!-- 成功提示 -->
         <nut-toast

 <!--
  * @Date: 2022-09-19 14:11:06
  * @LastEditors: hookehuyr hookehuyr@gmail.com
- * @LastEditTime: 2025-07-07 17:25:54
+ * @LastEditTime: 2025-07-08 14:15:15
  * @FilePath: /jgdl/src/pages/productDetail/index.vue
  * @Description: 商品详情页
 -->
@@ -168,7 +168,7 @@
                         <text class="text-xs text-gray-500 block">{{ product.seller.school }}</text>
                     </view>
                 </view>
-                <view @tap="showWechatModal" class="text-green-500 flex items-center">
+                <view v-if="product.seller.wechat" @tap="showWechatModal" class="text-green-500 flex items-center">
                     <nut-button type="success">
                         <template #icon>
                             <Message size="16" />