refactor: 产品大图迁移OSS，小图标本地打包，资源基址改为.env配置

src/pages/designList/index.tsx

@@ -210,7 +210,7 @@ export default function DesignListPage() {
 
             {filtered.length === 0 && (
               <View className='empty-state'>
-                <Image className='empty-icon-img' src='/icon/调色盘.png' mode='aspectFit' />
+                <Image className='empty-icon-img' src={assetUrl('/icon/调色盘.png')} mode='aspectFit' />
                 <Text className='empty-text'>还没有设计清单</Text>
                 <Text className='empty-sub'>去首页逛逛，找到喜欢的定制品</Text>
                 <View className='btn-gradient' onTap={() => Taro.switchTab({ url: '/pages/index/index' })}>