add default config of password auth

conf/app.php

@@ -198,6 +198,10 @@ $configs = array(
     //Google Adwords目标跟踪ID
     'GAD_MEASUREMENT_ID' => '',
 
+    //密码授权默认关闭
+    "password_auth" => array(
+        "enable" => false,
+    ),
 );
 
 //自定义配置支持

themes/beauty/views/site/index.php

@@ -8,7 +8,7 @@ $audioExts = !empty(FSC::$app['config']['supportedAudioExts']) ? FSC::$app['conf
 $supportedExts = array_merge($imgExts, $videoExts, $audioExts);
 
 //需密码授权的目录显示lock图标
-$authConfig = FSC::$app['config']['password_auth'];
+$authConfig = !empty(FSC::$app['config']['password_auth']) ? FSC::$app['config']['password_auth'] : array();
 
 $dir_ext_status = !empty($_COOKIE['dir_ext_status']) ? $_COOKIE['dir_ext_status'] : 'opened';
 $menu_ext_status = !empty($_COOKIE['menu_ext_status']) ? $_COOKIE['menu_ext_status'] : FSC::$app['config']['defaultMenuStatusInPC'];