diff --git a/library/think/app.php b/library/think/app.php
index b6a7ced8..8cd37249 100644
--- a/library/think/app.php
+++ b/library/think/app.php
@@ -251,7 +251,10 @@ class App
 
         // 检测域名部署
         if (!IS_CLI && !empty($config['url_domain_deploy'])) {
-            if ($match = Route::checkDomain($config['url_domain_rules'])) {
+            if ($config['url_domain_rules']) {
+                Route::domain($config['url_domain_rules']);
+            }
+            if ($match = Route::checkDomain()) {
                 (!defined('BIND_MODULE') && !empty($match[0])) && define('BIND_MODULE', $match[0]);
                 (!defined('BIND_CONTROLLER') && !empty($match[1])) && define('BIND_CONTROLLER', $match[1]);
                 (!defined('BIND_ACTION') && !empty($match[2])) && define('BIND_ACTION', $match[2]);
@@ -292,10 +295,10 @@ class App
                 $depr                 = $config['pathinfo_depr'];
                 // 还原劫持后真实pathinfo
                 $path_info =
-                (defined('BIND_MODULE') ? BIND_MODULE . $depr : '') .
-                (defined('BIND_CONTROLLER') ? BIND_CONTROLLER . $depr : '') .
-                (defined('BIND_ACTION') ? BIND_ACTION . $depr : '') .
-                $_SERVER['PATH_INFO'];
+                    (defined('BIND_MODULE') ? BIND_MODULE . $depr : '') .
+                    (defined('BIND_CONTROLLER') ? BIND_CONTROLLER . $depr : '') .
+                    (defined('BIND_ACTION') ? BIND_ACTION . $depr : '') .
+                    $_SERVER['PATH_INFO'];
 
                 // 路由检测
                 if (!empty($config['url_route_on'])) {
diff --git a/library/think/url.php b/library/think/url.php
index 1157bc9b..fe8e38a4 100644
--- a/library/think/url.php
+++ b/library/think/url.php
@@ -139,9 +139,10 @@ class Url
                 $domain = 'localhost' == $domain ? 'localhost' : 'www' . strstr($_SERVER['HTTP_HOST'], '.');
                 // '子域名'=>array('项目[/分组]');
                 foreach (Config::get('url_domain_rules') as $key => $rule) {
-                    if (false === strpos($key, '*') && 0 === strpos($url, $rule[0])) {
+                    $rule = is_array($rule) ? $rule[0] : $rule;
+                    if (false === strpos($key, '*') && 0 === strpos($url, $rule)) {
                         $domain = $key . strstr($domain, '.'); // 生成对应子域名
-                        $url    = substr_replace($url, '', 0, strlen($rule[0]));
+                        $url    = substr_replace($url, '', 0, strlen($rule));
                         break;
                     }
                 }