diff --git a/market/controllers/api/sylive/GroupsStatistics.php b/market/controllers/api/sylive/GroupsStatistics.php
index 9457e7fd..53e8bafd 100644
--- a/market/controllers/api/sylive/GroupsStatistics.php
+++ b/market/controllers/api/sylive/GroupsStatistics.php
@@ -452,8 +452,7 @@ class GroupsStatistics extends BaseController
                     $start = date('Y-m-d H:i:s', $start_Time);
                     $ii > 0 && $start_Time = date('Y-m-d H:i:s', $start_Time + 86400);
                     $name = date('Y-m-d', $start_Time);
-                    $start_Time = strtotime($add_time, $start_Time);
-                    $end = date('Y-m-d H:i:s', $start_Time);
+                    $end = date('Y-m-d H:i:s', $start_Time + $add_time);
                     $times[] = ['name' => $name, 'start' => $start, 'end' => $end];
                     $xAxisData[] = $name;
                     $ii++;