feat： 头图的调整

src/pages/ChatMain/ChatMainList/index.vue

@@ -9,8 +9,8 @@
     </view>
 
     <view class="relative">
-      <image class="w-full block" src="https://images.unsplash.com/photo-1506744038136-46273834b3fb?w=800&q=80"
-        mode="widthFix" />
+      <image class="w-full block" :src="mainPageDataModel.initPageImages.backgroundImageUrl"
+        mode="aspectFill" style="max-height: 240px;" />
       <view class="absolute bottom-0 left-0 right-0 flex-full">
         <view class="px-12 pt-12">
           <HomeWelcome :mainPageDataModel="mainPageDataModel" />

src/pages/Discovery/components/CardSwiper/index.vue

@@ -28,7 +28,7 @@
             <view class="card-title ellipsis-1">
               {{ slot.item.title }}
             </view>
-            <view v-if="slot.item.subTitle" class="card-desc ellipsis-2">
+            <view v-if="slot.item.subTitle" class="card-desc ellipsis-1">
               {{ slot.item.subTitle }}
             </view>
           </view>