diff --git a/src/common/preview/index.js b/src/common/preview/index.js
index c0e055d41..0fba21c5f 100644
--- a/src/common/preview/index.js
+++ b/src/common/preview/index.js
@@ -18,38 +18,48 @@ function queryConvertAtt (data) {
   })
 }
 
-async function preview (attId) {
-  const loading = Loading.service({
-    lock: true,
-    text: '正在加载文件',
-    spinner: 'el-icon-loading',
-  })
+async function preview (attId, type) {
+  let loading;
+  if (type !== 'getUrl') {
+    loading = Loading.service({
+      lock: true,
+      text: '正在加载文件',
+      spinner: 'el-icon-loading',
+    })
+  }
   const res = await getBusStandFileByAttId({ attId })
   if (res.ok && res.data) {
     const file = res.data
+    let url = ''
     if (file.fileSuffix.toLowerCase() === 'pdg') {
       if (isMobile()) {
         this.$message.warning('pdg文件,不支持手机端预览')
+        return
       } else {
-        window.open('book://ssreader/e0?url=' + file.downLoadUrl)
+        url = 'book://ssreader/e0?url=' + file.downLoadUrl
       }
     } else if (file.fileSuffix.toLowerCase() === 'pdf') {
-      window.open('./static/pdf/web/viewer.html?file=' + encodeURIComponent('/api/att/attFile/getFileInfo?fileId=' + file.id))
+      url = './static/pdf/web/viewer.html?file=' + encodeURIComponent('/api/att/attFile/getFileInfo?fileId=' + file.id)
     } else {
       // onlyoffice在线编辑文件转换为pdf预览 -> kkfileview预览乱码
       if (file.onlined && file.onlined === 1) {
         const res = await queryConvertAtt({ attId })
         if (res.ok && res.data) {
-          window.open('/static/pdf/web/viewer.html?file=' + encodeURIComponent('/api/att/attFile/getFileInfo?fileId=' + res.data.attId))
+          url = '/static/pdf/web/viewer.html?file=' + encodeURIComponent('/api/att/attFile/getFileInfo?fileId=' + res.data.attId)
         } else {
           this.$message.error('文档未转换成功或本地读取不到该文档')
+          return
         }
       } else {
-        window.open(kkFileViewUrl + '/onlinePreview?url=' + encodeURIComponent(Base64.encode(file.downLoadUrl)) + '&watermarkTxt=' + encodeURIComponent(store.getters.userInfo.userName));
+        url = kkFileViewUrl + '/onlinePreview?url=' + encodeURIComponent(Base64.encode(file.downLoadUrl)) + '&watermarkTxt=' + encodeURIComponent(store.getters.userInfo.userName)
       }
     }
+    if (type === 'getUrl') {
+      return url
+    }
+    window.open(url)
   }
-  loading.close()
+  loading && loading.close()
 }
 
 export default preview;