diff --git a/library/think/app.php b/library/think/app.php
index 206210c0..e7772dcc 100644
--- a/library/think/app.php
+++ b/library/think/app.php
@@ -228,7 +228,10 @@ class App
 
         // 检测域名部署
         if (!IS_CLI && !empty($config['domain_deploy'])) {
-            Route::checkDomain($config['domain_rules']);
+            $module = Route::checkDomain($config['domain_rules']);
+            if (null != $module) {
+                define('BIND_MODULE', $module);
+            }
         }
 
         // 监听path_info
diff --git a/library/think/route.php b/library/think/route.php
index 9c01703c..2ec71c44 100644
--- a/library/think/route.php
+++ b/library/think/route.php
@@ -194,7 +194,7 @@ class Route
                     exit;
                 }
                 if (is_array($rule)) {
-                    define('BIND_MODULE', $rule[0]);
+                    $module = $rule[0];
                     if (isset($rule[1])) {
                         // 传入参数
                         parse_str($rule[1], $parms);
@@ -208,10 +208,11 @@ class Route
                         $_GET = array_merge($_GET, $parms);
                     }
                 } else {
-                    define('BIND_MODULE', $rule);
+                    $module = $rule;
                 }
             }
         }
+        return isset($module) ? $module : null;
     }
 
     // 检测URL路由