diff --git a/application/common/view/tpl/think_exception.tpl b/application/common/view/tpl/think_exception.tpl
index 20fccf65faabfb662e08cbc31651bab661d5215f..51e75aa007861f05c83f2bf279cb66a1f4faca7e 100755
--- a/application/common/view/tpl/think_exception.tpl
+++ b/application/common/view/tpl/think_exception.tpl
@@ -1,6 +1,6 @@
 <?php
 $cdnurl = function_exists('config') ? config('view_replace_str.__CDN__') : '';
-$publicurl = function_exists('config') ? config('view_replace_str.__PUBLIC__') : '/';
+$publicurl = function_exists('config') && config('view_replace_str.__PUBLIC__') ? config('view_replace_str.__PUBLIC__') : '/';
 $debug = function_exists('config') ? config('app_debug') : false;
 
 $lang = [