diff --git a/tpl/think_exception.tpl b/tpl/think_exception.tpl
index d5bd5bf1..1033ecab 100644
--- a/tpl/think_exception.tpl
+++ b/tpl/think_exception.tpl
@@ -519,7 +519,7 @@
             var err_line = $('.line-' + LINE, ol[0])[0];
             err_line.className = err_line.className + ' line-error';
 
-            $.getScript('//cdn.bootcss.com/prettify/r298/prettify.min.js', function(){
+            $.getScript('//lf26-cdn-tos.bytecdntp.com/cdn/expire-1-M/prettify/r298/prettify.min.js', function(){
                 prettyPrint();
 
                 // 解决Firefox浏览器一个很诡异的问题