diff --git a/HealthMonitor.WebApi/Worker.cs b/HealthMonitor.WebApi/Worker.cs
index 4361269..b1a16e3 100644
--- a/HealthMonitor.WebApi/Worker.cs
+++ b/HealthMonitor.WebApi/Worker.cs
@@ -332,9 +332,12 @@ namespace HealthMonitor.WebApi
                                                         _logger.LogInformation($"{imeiDel} 平常心率数据是批量上报,需要计算每条心率对应的胎心数据");
 
                                                         #region 计算每条心率对应的胎心数据
-                                                        //去除高频
-                                                        PregnancyHeartRateModel? previousItem = null;
+
+
                                                         phr = phr.OrderByDescending(i => i.LastUpdate).ToList();
+                                                        // 获取高频数据
+                                                        var freqCollection = new List<PregnancyHeartRateModel>();
+                                                        PregnancyHeartRateModel? previousItem = null;
                                                         foreach (var item in phr)
                                                         {
                                                             if (previousItem != null)
@@ -342,11 +345,31 @@ namespace HealthMonitor.WebApi
                                                                 var timeNextDiff = (previousItem!.LastUpdate - item.LastUpdate).TotalSeconds;
                                                                 if (timeNextDiff <= highFreqSampleInterval)
                                                                 {
-                                                                    phr.Remove(item);
+                                                                    freqCollection.Add(item);
                                                                 }
                                                             }
                                                             previousItem = item;
-                                                        };
+                                                        }
+                                                        //去除高频
+                                                        foreach (var item in freqCollection)
+                                                        {
+                                                            phr.Remove(item);
+                                                        }
+
+
+                                                        // 排序并过滤高频数据
+                                                        //var previousItem = phr.OrderByDescending(i => i.LastUpdate).ToList().First();
+                                                        //phr = phr.Skip(1)
+                                                        //         .Where(item =>
+                                                        //         {
+                                                        //             var timeNextDiff = (previousItem!.LastUpdate - item.LastUpdate).TotalSeconds;
+                                                        //             previousItem = item;
+                                                        //             return timeNextDiff > highFreqSampleInterval;
+                                                        //         })
+                                                        //         .Prepend(previousItem)
+                                                        //         .OrderByDescending(i => i.LastUpdate)
+                                                        //         .ToList();
+
                                                         var calFhrTasks = phr.Where(p => p.LastUpdate >= triggerHeartRate!.LastUpdate)
                                                         .Select( async p =>
                                                         {