diff --git a/src/common/preview/index.js b/src/common/preview/index.js
index 90c5be3f9..e76d60d27 100644
--- a/src/common/preview/index.js
+++ b/src/common/preview/index.js
@@ -54,7 +54,12 @@ async function preview (attId, type) {
           this.$message.error('文档未转换成功或本地读取不到该文档')
           return
         }
-      } else {
+      } else if (file.previewAttId) {
+        url = viewer + encodeURIComponent('/api/att/attFile/getFileInfo?fileId=' + file.previewAttId)
+      } else if (!file.previewAttId) {
+        this.$message.error('文档未转换成功或本地读取不到该文档')
+        return
+      }else {
         url = kkFileViewUrl + '/onlinePreview?url=' + encodeURIComponent(Base64.encode(file.downLoadUrl)) + '&watermarkTxt=' + encodeURIComponent(store.getters.userInfo.userName)
       }
     }