Update file_manage_main.php

src/admin/file_manage_main.php

@@ -10,7 +10,7 @@
  */
 require(dirname(__FILE__)."/config.php");
 CheckPurview('plus_文件管理器');
-if (!isset($activepath)) $activepath = $cfg_cmspath;
+if (!isset($activepath)) $activepath = DEDEBIZ_SAFE_MODE? $cfg_medias_dir : $cfg_cmspath;
 $inpath = "";
 $activepath = str_replace("..", "", $activepath);
 $activepath = preg_replace("#^\/{1,}#", "/", $activepath);