feat(FamilyAlbum): 替换上传图标并增加显示照片数量

将上传按钮的相机emoji替换为Photograph组件图标
将相册显示照片数量从3张增加到5张

@@ -59,8 +59,10 @@
           class="rounded-lg aspect-square relative cursor-pointer shadow-md bg-gray-100 flex flex-col items-center justify-center border-2 border-dashed border-gray-100 hover:border-blue-400 transition-colors"
           @click="navigateToUpload"
         >
-          <view class="text-gray-400 text-3xl mb-2">📷</view>
-          <view class="text-gray-500 text-xs text-center px-2">上传第一张<br/>照片吧~</view>
+          <view class="text-gray-400 mb-4">
+            <Photograph size="28" />
+          </view>
+          <view class="text-gray-500 text-xs text-center px-2">上传第一张照片吧~</view>
         </view>
       </view>
     </view>
@@ -116,7 +118,7 @@
 <script setup>
 import { ref, onMounted, computed } from 'vue';
 import Taro, { useDidShow } from '@tarojs/taro';
-import { Close } from '@nutui/icons-vue-taro';
+import { Close, Photograph } from '@nutui/icons-vue-taro';
 import { useMediaPreview } from '@/composables/useMediaPreview';
 import { getPhotoListAPI } from '@/api/photo';
 
@@ -143,7 +145,7 @@ const loading = ref(false);
 
 // 计算属性：显示最多3张图片
 const displayedAlbumData = computed(() => {
-  return albumData.value.slice(0, 3);
+  return albumData.value.slice(0, 5);
 });
 
 /**