diff --git a/public/js/extra.js b/public/js/extra.js
index 9ce8525..bf44e6d 100644
--- a/public/js/extra.js
+++ b/public/js/extra.js
@@ -306,8 +306,6 @@ function finishView(view) {
         }
     });
     //graphviz
-    require.ensure(["viz.js"], function(require) {
-        var Viz = require("viz.js");
         var graphvizs = view.find(".graphviz.raw").removeClass("raw");
         graphvizs.each(function (key, value) {
             try {
@@ -324,7 +322,6 @@ function finishView(view) {
             }
         });
 
-    })
     //mermaid
     var mermaids = view.find(".mermaid.raw").removeClass("raw");
     mermaids.each(function (key, value) {
diff --git a/webpackBaseConfig.js b/webpackBaseConfig.js
index 62101c3..c0b24f8 100644
--- a/webpackBaseConfig.js
+++ b/webpackBaseConfig.js
@@ -39,6 +39,7 @@ module.exports = {
             "expose?filterXSS!xss",
             "js-url",
             "bootstrap",
+            "expose?Viz!viz.js",
             "expose?ListPagination!list.pagination.js/dist/list.pagination.js",
             path.join(__dirname, 'public/vendor/codemirror/codemirror.min.js'),
             path.join(__dirname, 'public/vendor/inlineAttachment/inline-attachment.js'),