fix : 修复附件校验问题

src/components/AttachmentUpload.vue

@@ -193,12 +193,12 @@ const deleteAttachment = (val) => {
         type: 'success'
       })
       isSingleFile.value = false
-      singleFile.value={}
+      singleFile.value=null
     }
   });
 }
 const deleteSingleFile = (row, type) => {
-  ElMessageBox.confirm(`确认删除名称为${row.originalFileName}的表格吗?`, '系统提示', {
+  ElMessageBox.confirm(`确认删除名称为${row.originalFileName}的文件吗?`, '系统提示', {
     confirmButtonText: '确定',
     cancelButtonText: '取消',
     type: 'warning'
@@ -212,7 +212,7 @@ const deleteSingleFile = (row, type) => {
       if (res.code === 1000) {
         isSingleFile.value=false
         if (type === 1) {
-          singleFile.value = {}
+          singleFile.value = null
         } else {
           props.otherFileList.splice(props.otherFileList.findIndex((item) => item.id === row.fileId), 1);
         }