diff --git a/src/utils/kkFilePreview.js b/src/utils/kkFilePreview.js
index d490a69e..910fa8e5 100644
--- a/src/utils/kkFilePreview.js
+++ b/src/utils/kkFilePreview.js
@@ -30,7 +30,7 @@ export function dealUrl (fileUrl) {
   const watermarkSign = md5(watermarkTxt + 'cnhtc')
   // 路径增加时间戳
   const timestamp = new Date().getTime()
-  fileUrl += `&time=${timestamp}`
+  fileUrl += `&time=${timestamp}&type=kkfile`
   return `${window._CONFIG.onlinePreviewDomainURL}?url=${encodeURIComponent(Base64.encode(fileUrl))}&watermarkTxt=${encodeURIComponent(watermarkTxt)}&watermarkSign=${watermarkSign}`
 }