diff --git a/lib/vis.min.js b/lib/vis.min.js
deleted file mode 120000
index dfb6cbb..0000000
--- a/lib/vis.min.js
+++ /dev/null
@@ -1 +0,0 @@
-../node_modules/vis/dist/vis.min.js
\ No newline at end of file
diff --git a/templates/index.html b/templates/index.html
index 51c4bd6..d3633b2 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -5,7 +5,7 @@
 
   <script type="text/javascript" src="app://root/lib/jquery.min.js"></script>
   <script type="text/javascript" src="app://root/lib/md5.js"></script>
-  <script type="text/javascript" src="app://root/lib/vis.min.js"></script>
+  <script type="text/javascript" src="app://root/node_modules/vis/dist/vis.min.js"></script>
 
   <script type="text/javascript" src="app://root/js/config.js"></script>
   <script type="text/javascript" src="app://root/js/crawler.js"></script>