diff --git a/application/admin/controller/Ajax.php b/application/admin/controller/Ajax.php
index 463066a3..158082f8 100644
--- a/application/admin/controller/Ajax.php
+++ b/application/admin/controller/Ajax.php
@@ -38,7 +38,7 @@ class Ajax extends Backend
      */
     public function lang()
     {
-
+        $this->request->get(['callback' => 'define']);
         $header = ['Content-Type' => 'application/javascript'];
         if (!config('app_debug')) {
             $offset = 30 * 60 * 60 * 24; // 缓存一个月
diff --git a/application/index/controller/Ajax.php b/application/index/controller/Ajax.php
index d2731a61..967f9077 100644
--- a/application/index/controller/Ajax.php
+++ b/application/index/controller/Ajax.php
@@ -22,6 +22,7 @@ class Ajax extends Frontend
      */
     public function lang()
     {
+        $this->request->get(['callback' => 'define']);
         $header = ['Content-Type' => 'application/javascript'];
         if (!config('app_debug')) {
             $offset = 30 * 60 * 60 * 24; // 缓存一个月