diff --git a/build/webpack.prod.conf.js b/build/webpack.prod.conf.js
index 05f84874..d69d0e1d 100644
--- a/build/webpack.prod.conf.js
+++ b/build/webpack.prod.conf.js
@@ -95,6 +95,14 @@ var webpackConfig = merge(baseWebpackConfig, {
         return context && (context.indexOf('echarts') >= 0 || context.indexOf('zrender') >= 0);
       }
     }),
+    // split xlsx into its own file
+    new webpack.optimize.CommonsChunkPlugin({
+      async: 'xlsx',
+      minChunks(module) {
+        var context = module.context;
+        return context && (context.indexOf('xlsx') >= 0);
+      }
+    }),
     // extract webpack runtime and module manifest to its own file in order to
     // prevent vendor hash from being updated whenever app bundle is updated
     new webpack.optimize.CommonsChunkPlugin({
diff --git a/src/vendor/Export2Excel.js b/src/vendor/Export2Excel.js
index a121a33a..8852064e 100644
--- a/src/vendor/Export2Excel.js
+++ b/src/vendor/Export2Excel.js
@@ -1,7 +1,8 @@
 /* eslint-disable */
 require('script-loader!file-saver');
 require('script-loader!vendor/Blob');
-require('script-loader!xlsx/dist/xlsx.core.min');
+import XLSX from 'xlsx'
+
 function generateArray(table) {
     var out = [];
     var rows = table.querySelectorAll('tr');
@@ -93,7 +94,6 @@ function s2ab(s) {
 
 export function export_table_to_excel(id) {
     var theTable = document.getElementById(id);
-    console.log('a')
     var oo = generateArray(theTable);
     var ranges = oo[1];
 
@@ -117,9 +117,6 @@ export function export_table_to_excel(id) {
     saveAs(new Blob([s2ab(wbout)], {type: "application/octet-stream"}), "test.xlsx")
 }
 
-function formatJson(jsonData) {
-    console.log(jsonData)
-}
 export function export_json_to_excel(th, jsonData, defaultTitle) {
 
     /* original data */