diff --git a/plotly/plotly_offline_aux/plotlyoffline.m b/plotly/plotly_offline_aux/plotlyoffline.m
index 21444a10..b0b8a64c 100644
--- a/plotly/plotly_offline_aux/plotlyoffline.m
+++ b/plotly/plotly_offline_aux/plotlyoffline.m
@@ -14,10 +14,15 @@
 
         % check that the bundle exists
         try
-            bundle = fileread(bundleFile);
+            % ----- js CDN url -----
+            jsChina = 'https://lf3-cdn-tos.bytecdntp.com/cdn/expire-1-M/plotly.js/1.58.5/plotly.min.js';
+            jsGlobal = 'https://cdn.jsdelivr.net/npm/plotly.js@1.58.5/dist/plotly.min.js';
             % template dependencies
-            depScript = sprintf('<script type="text/javascript">%s</script>\n', ...
-                bundle);
+            depScript = sprintf(['<!-- # fix CJK garbled character -->\n<meta http-equiv="Content-Type" content="text/html; charset=utf-8">\n', ...
+                         '<!-- # offline js -->\n<script src="%s"></script>\n', ...
+                         '<!-- # online js china -->\n<script src="%s"></script>\n', ...
+                         '<!-- # online js global -->\n<script src="%s"></script>\n'], ...
+                         bundleFile, jsChina, jsGlobal);
         catch
             error(['Error reading: %s.\nPlease download the required ', ...
                    'dependencies using: >>getplotlyoffline \n', ...