diff --git a/app/admin/controller/WorkbenchController.php b/app/admin/controller/WorkbenchController.php
index ffefd7f65..395202d87 100644
--- a/app/admin/controller/WorkbenchController.php
+++ b/app/admin/controller/WorkbenchController.php
@@ -218,7 +218,11 @@ class WorkbenchController extends BaseAdminController
             if (!$startTime && !$endTime) {
                 return date("Y/m/d", strtotime("-30 days", time())) . '-' . date("Y/m/d", time());
             } else {
-                return $startTime . '-' . $endTime;
+                if($startTime==$endTime){
+                    return $startTime . '-' . $endTime.' 23:59:59';
+                }else{
+                    return $startTime . '-' . $endTime;
+                }
             }
         } else {
             return date("Y/m/d", strtotime("-30 days", time())) . '-' . date("Y/m/d", time());