diff --git a/Application/Home/Controller/DownloadController.class.php b/Application/Home/Controller/DownloadController.class.php
index 43de91eaa..66598be29 100644
--- a/Application/Home/Controller/DownloadController.class.php
+++ b/Application/Home/Controller/DownloadController.class.php
@@ -831,9 +831,6 @@ class DownloadController extends BaseController {
     * @author sunke 
     */
      public function regist_data_export() {
-        if (empty(I('begtime')) || empty(I('endtime'))) {
-            $this->error('请选择起止时间');
-        }
         $beginTime = strtotime(I('begtime') . ' 00:00:00');
         $endtime = strtotime(I('endtime') . ' 23:59:59');
         if (($endtime - $beginTime) > 31 * 24 * 3600) {