diff --git a/pages/meetingDetailSigned/meetingDetailSigned.js b/pages/meetingDetailSigned/meetingDetailSigned.js
index bc95994..ee96758 100644
--- a/pages/meetingDetailSigned/meetingDetailSigned.js
+++ b/pages/meetingDetailSigned/meetingDetailSigned.js
@@ -244,7 +244,7 @@ Page({
       })
 
     } else {
-      previewFile(fileObj.fileId, fileObj.name)
+      previewFile(fileObj.id, fileObj.name)
     }
   },
   // 预览
@@ -271,7 +271,7 @@ Page({
         }
       })
     } else {
-      previewFile(fileObj.fileId, fileObj.name)
+      previewFile(fileObj.id, fileObj.name)
     }
   },
 
@@ -379,4 +379,4 @@ Page({
   onShareAppMessage: function () {
 
   }
-})
\ No newline at end of file
+})