diff --git a/market/controllers/api/sylive/GroupsStatistics.php b/market/controllers/api/sylive/GroupsStatistics.php
index 3b7d26cf..55b89874 100644
--- a/market/controllers/api/sylive/GroupsStatistics.php
+++ b/market/controllers/api/sylive/GroupsStatistics.php
@@ -456,7 +456,7 @@ class GroupsStatistics extends BaseController
 
                     $name = date('Y-m-d', $start_Time);
                     $end_Time = $start_Time + $add_time;
-                    $end = date('Y-m-d H:i:s', $end);
+                    $end = date('Y-m-d H:i:s', $end_Time);
 
                     $times[] = ['name' => $name, 'start' => $start, 'end' => $end];
                     $xAxisData[] = $name;