modify 文案

src/features/OnlineExam/Examing/UploadPhotos.vue

@@ -35,7 +35,10 @@
       </div>
     </draggable>
 
-    <div>最多上传6张图片</div>
+    <div>
+      点击<span style="color: blue; font-size: 24px;">+</span
+      >上传图片(最多上传6张图片)
+    </div>
 
     <Modal
       title="上传图片"
@@ -98,6 +101,9 @@
           </div>
         </draggable>
 
+        <div v-if="totalList.length > 6">
+          * 图片上传最多只支持6张
+        </div>
         <div style="display: flex; justify-content: center">
           <Button type="primary" size="large" @click="modalCloseClicked">
             确认