diff --git a/server/src/main/resources/web/drawio.ftl b/server/src/main/resources/web/drawio.ftl
index 5ff8899f..834cb6c3 100644
--- a/server/src/main/resources/web/drawio.ftl
+++ b/server/src/main/resources/web/drawio.ftl
@@ -6,6 +6,7 @@
     <meta name="viewport" content="width=device-width, user-scalable=yes, initial-scale=1.0">
     <title>drawio文件预览</title>
     <#include "*/commonHeader.ftl">
+      <script src="js/base64.min.js" type="text/javascript"></script>
 </head>
 <body>
 <iframe src="" width="100%" frameborder="0"></iframe>
