【代码优化】 ux: 体验优化等

src/components/common/BackButton/index.vue

 <template>
-  <div
-    class="absolute -left-12 top-2 z-10 flex flex-col items-center bg-white rounded-lg shadow-md shadow-black/6 border border-gray-100 cursor-pointer hover:shadow-lg hover:border-indigo-200 transition-all duration-300 group w-9 h-9 hover:h-18 overflow-hidden"
+  <button
+    type="button"
+    aria-label="返回"
+    class="absolute -left-12 top-2 z-10 flex flex-col items-center bg-white rounded-lg shadow-md shadow-black/6 border border-gray-100 cursor-pointer hover:shadow-lg hover:border-indigo-200 transition-all duration-300 group w-9 h-9 hover:h-18 overflow-hidden p-0"
     @click="handleBack"
   >
     <svg
@@ -19,7 +21,7 @@
     >
       返回
     </span>
-  </div>
+  </button>
 </template>
 
 <script setup lang="ts">

src/components/common/UploadImgIcon/index.vue

@@ -32,7 +32,6 @@ export default defineComponent({
             ref="fileInputRef"
             onChange={handleFileChange}
             accept="image/*"
-            multiple
           />
           <div onClick={() => fileInputRef?.value?.click()}>{UploadImgIcon}</div>
         </div>

src/components/common/UploadVideo/index.vue

@@ -253,7 +253,13 @@ const replaceVideo = () => {
 
 // 预览播放
 const previewVideo = () => {
-  window.open(videoInfo.value?.url, '_blank')
+  const url = videoInfo.value?.url
+  if (!url) {
+    push.warning('暂无可预览的视频')
+    return
+  }
+
+  window.open(url, '_blank')
 }
 
 // 重试上传