diff --git a/VOL.Business/Services/Training/I_TrainingDataService.cs b/VOL.Business/Services/Training/I_TrainingDataService.cs
index 41adce6..3cf6fa0 100644
--- a/VOL.Business/Services/Training/I_TrainingDataService.cs
+++ b/VOL.Business/Services/Training/I_TrainingDataService.cs
@@ -2046,8 +2046,8 @@ namespace VOL.Business.Services.Training
 
             var heartRateDataList = await query.ToListAsync();
 
-            if (heartRateDataList.Count == 0)
-                return res;
+            //if (heartRateDataList.Count == 0)
+            //    return res;
 
             var classRoom = await _teacherRepository.DbContext.Set<Ai_ClassRoomRecord>().Include(x => x.ClassroomStudentRecord)
                 .Where(x => x.SchoolCode == schoolCode && x.Id == id)
@@ -2064,7 +2064,7 @@ namespace VOL.Business.Services.Training
             res.PeopleNumberBySex = $"{classRoomStudent.Count(x => x.Sex == SexType.Male)}/{classRoomStudent.Count(x => x.Sex == SexType.Female)}";
 
             res.AvgHR = $"{(int)(heartRateDataList.Sum(x => x.Value) / heartRateDataList.Count)} 次/分";
-            res.Consumption = $"{Math.Abs(heartRateDataList.Sum(x => x.Consumption ?? 0) / heartRateDataList.Count)} 千卡";
+            res.Consumption = heartRateDataList.Count > 0 ? $"{Math.Abs(heartRateDataList.Sum(x => x.Consumption ?? 0) / heartRateDataList.Count)} 千卡" : "";
             //res.Density = $"{(int)(heartRateDataList.Where(x => x.Strength > 50).Sum(x => x.Strength) / heartRateDataList.Count)} %";
 
             res.Density = $"{(int)CalculatePercentage(heartRateDataList.Count(x => x.Strength > 50), heartRateDataList.Count)} %";