diff --git a/library/think/app.php b/library/think/app.php
index 699758f9..206210c0 100644
--- a/library/think/app.php
+++ b/library/think/app.php
@@ -25,10 +25,6 @@ class App
      */
     public static function run(array $config = [])
     {
-        if (version_compare(PHP_VERSION, '5.4.0', '<')) {
-            throw new Exception('require PHP > 5.4.0 !');
-        }
-
         // 初始化公共模块
         self::initModule(COMMON_MODULE, $config);
 
diff --git a/library/think/error.php b/library/think/error.php
index bbe077e0..6a6e68ec 100644
--- a/library/think/error.php
+++ b/library/think/error.php
@@ -124,12 +124,12 @@ class Error
                 if (Config::get('show_error_msg')) {
                     $e['message'] = is_array($error) ? $error['message'] : $error;
                 } else {
-                    $e['message'] = C('error_message');
+                    $e['message'] = Config::get('error_message');
                 }
             }
         }
         // 包含异常页面模板
-        $data = include Config::get('exception_tmpl');
-        exit(Response::returnData($data));
+        include Config::get('exception_tmpl');
+        exit;
     }
 }
diff --git a/library/think/route.php b/library/think/route.php
index 393a8743..f855fa3e 100644
--- a/library/think/route.php
+++ b/library/think/route.php
@@ -273,7 +273,8 @@ class Route
         // 正则路由
         if ($route instanceof \Closure) {
             // 执行闭包
-            return self::invokeRegx($route, $matches);
+            $result = self::invokeRegx($route, $matches);
+            return is_array($result) ? $result : exit($result);
         }
         return self::parseRegex($matches, $route, $regx);
     }
@@ -297,7 +298,8 @@ class Route
             if (false !== $match = self::match($regx, $rule)) {
                 if ($route instanceof \Closure) {
                     // 执行闭包
-                    return self::invokeRule($route, $match);
+                    $result = self::invokeRule($route, $match);
+                    return is_array($result) ? $result : exit($result);
                 }
                 return self::parseRule($rule, $route, $regx);
             }