diff --git a/library/think/Url.php b/library/think/Url.php
index 08070e6e..8564cd36 100644
--- a/library/think/Url.php
+++ b/library/think/Url.php
@@ -106,7 +106,7 @@ class Url
         $domain = self::parseDomain($url, $domain);
 
         // URL组装
-        $url = $domain . Config::get('base_url') . '/' . $url;
+        $url = $domain . Config::get('base_url') . '/' . ltrim($url, '/');
         return $url;
     }