fix : 修复项目验收其他文件上传bug

src/components/AttachmentUpload.vue

@@ -133,14 +133,13 @@ watch(() => props.showTable, (newVal) => {
 watch(() => props.otherFileList, (newVal) => {
   console.log('newotherFileList', newVal)
   if (props.preview) {
-    if (props.formData.fileList == null) {
+    if (props.formData.fileList.length===0) {
       allFileList.value = newVal
     } else {
       newVal?.forEach(item => {
         allFileList.value.push(item)
       })
     }
-
   } else {
     allFileList.value = newVal
   }