[修改]删除了多余的时区设置

management-panel/app/Filament/Widgets/PrometheusMemory.php

@@ -30,7 +30,6 @@ class PrometheusMemory extends ChartWidget
         $data = [];
 
         if (!empty($memoryUsageRange['data']['result'][0]['values'])) {
-            date_default_timezone_set('Asia/Shanghai');
 
             // 获取内存使用率数据
             $memoryValues = array_column($memoryUsageRange['data']['result'][0]['values'], 1, 0);