diff --git a/HealthMonitor.WebApi/Worker.cs b/HealthMonitor.WebApi/Worker.cs
index 952c4fe..0f74800 100644
--- a/HealthMonitor.WebApi/Worker.cs
+++ b/HealthMonitor.WebApi/Worker.cs
@@ -2611,10 +2611,10 @@ namespace HealthMonitor.WebApi
         private DateTime GetSampleTimeFromLastUpdate(DateTime lastUpdate,int interval)
         {
             DateTime nowInterval = lastUpdate;
-            if (nowInterval.Second > 0)
-            {
-                nowInterval = nowInterval.AddMinutes(1);
-            }
+            //if (nowInterval.Second > 0)
+            //{
+            //    nowInterval = nowInterval.AddMinutes(1);
+            //}
             // 计算last_update到上一间隔的分钟数
             int minutesToSubtract = nowInterval.Minute % interval;