diff --git a/convention.php b/convention.php
index 325d5653..968595d4 100644
--- a/convention.php
+++ b/convention.php
@@ -75,8 +75,8 @@ return [
     'url_params_bind'       => true,
     // URL变量绑定的类型 0 按变量名绑定 1 按变量顺序绑定
     'url_parmas_bind_type'  => 0,
-    //url地址的后缀
-    'url_deny_suffix'       => '',
+    //url禁止访问的后缀
+    'url_deny_suffix'       => 'ico|png|gif|jpg',
     // 是否开启路由
     'url_route_on'          => true,
     // 是否强制使用路由
diff --git a/library/think/Loader.php b/library/think/Loader.php
index 1e1caef5..cac39ed7 100644
--- a/library/think/Loader.php
+++ b/library/think/Loader.php
@@ -82,7 +82,7 @@ class Loader
     public static function register($autoload = '')
     {
         // 注册系统自动加载
-        spl_autoload_register($autoload ? $autoload : 'think\\loader::autoload');
+        spl_autoload_register($autoload ? $autoload : 'think\\Loader::autoload');
         // 注册composer自动加载
         self::registerComposerLoader();
     }