refactor 优化图片上传再次点击显示loading

@@ -20,7 +20,7 @@
                 style="width: 6.25rem; height: 6.25rem"
               />
               <div v-else>
-                <loading-outlined v-if="loading"></loading-outlined>
+                <LoadingOutlined v-if="loading" />
                 <PlusOutlined v-else />
                 <div class="ant-upload-text">图片上传</div>
               </div>
@@ -79,8 +79,8 @@
       };
       const customUploadqrcodePic = async ({ file }) => {
         if (beforeUploadqrcodePic(file)) {
+          peresonalPic.value = '';
           loading.value = true;
-
           const formData = new FormData();
           formData.append('file', file);
           const response = await uploadApi(formData);