diff --git a/HealthMonitor.WebApi/Worker.cs b/HealthMonitor.WebApi/Worker.cs
index 10c6860..4b74a09 100644
--- a/HealthMonitor.WebApi/Worker.cs
+++ b/HealthMonitor.WebApi/Worker.cs
@@ -231,12 +231,17 @@ namespace HealthMonitor.WebApi
                                 var hmBpResponse = await _serviceTDengine.ExecuteSelectRestResponseAsync("stb_hm_bloodpress", condition);
                                 var hmBpParser = JsonConvert.DeserializeObject<ParseTDengineRestResponse<BloodPressureModel>>(hmBpResponse!);
                                 var hmBp = hmBpParser?.Select();
-                                if (hmBp?.ToList().Count < 2)
+                                //if (hmBp?.ToList().Count < 2)
+                                // 1. 判断数据样本数量
+                                if(hmBpParser!.Rows < 5)
                                 {
-                                    _logger.LogInformation($"{imeiDel} -- {nameof(Worker)} --{nameof(WatchEvents)} -- 统计定时下发，计算增量值的数据条目不足");
+                                    _logger.LogInformation($"{imeiDel} -- {nameof(Worker)} --{nameof(WatchEvents)} -- 统计定时下发，计算增量值的数据条目不足:{hmBpParser!.Rows} < 5");
+                                    _logger.LogInformation($"{imeiDel} -- {nameof(Worker)} --{nameof(WatchEvents)} 没有足够的数据样本，不会定时下发");
                                     break;
                                 }
 
+                                
+
                                 // 最大值
                                 systolicMax = (int)hmBpParser?.Select(i => i.SystolicValue).Max()!;
                                 diastolicMax = (int)hmBpParser?.Select(i => i.DiastolicValue).Max()!;
@@ -246,6 +251,15 @@ namespace HealthMonitor.WebApi
 
                                 systolicAvg = (int)(hmBpParser?.AverageAfterRemovingOneMinMaxRef(i => i.SystolicValue, SafeType.SafeInt(systolicRefValue!)))!;
                                 diastolicAvg = (int)(hmBpParser?.AverageAfterRemovingOneMinMaxRef(i => i.DiastolicValue, SafeType.SafeInt(diastolicRefValue!)))!;
+                                // 2. 判断能否计算增量值
+                                if (systolicAvg.Equals(0) || diastolicAvg.Equals(0))
+                                {
+                                    _logger.LogInformation($"{imeiDel}--{nameof(Worker)}--计算平均值" +
+                                    $"\n currentSystolicAvg:{systolicAvg}  -- lastPushSystolicInc:{lastPushSystolicInc}" +
+                                    $"\n currentDiastolicInc:{diastolicAvg}  -- lastPushDiastolicInc:{lastPushDiastolicInc}");
+                                    _logger.LogInformation($"{imeiDel}--{nameof(Worker)} 没有足够的数据样本计算平均值，不会定时下发");
+                                    break;
+                                }
 
                                 // 增量值=（标定值-平均值）* 0.25
                                 var currentSystolicInc = (int)((systolicRefValue - systolicAvg) * systolicAvgOffset)!;