fix bug

apps/admin/Lib/Action/ConfigAction.class.php

@@ -112,7 +112,8 @@ class ConfigAction extends AdministratorAction
             'url'     => U('admin/Config/footNav'),
         ];
         $this->pageTab[] = [
-            'title'   => "APP关于我们",
+//            'title'   => "APP关于我们",
+            'title'   => "购买协议",
             'tabHash' => 'about',
             'url'     => U('admin/Config/about'),
         ];
@@ -820,7 +821,7 @@ class ConfigAction extends AdministratorAction
     {
         $this->_initSiteConfigTabs();
         $this->pageKeyList        = array('about');
-        $this->pageTitle['about'] = 'app关于我们';
+        $this->pageTitle['about'] = '购买协议';
         $this->displayConfig();
     }