diff --git a/VOL.Ai/Services/AiAppService.cs b/VOL.Ai/Services/AiAppService.cs
index dd8c445..97c52d3 100644
--- a/VOL.Ai/Services/AiAppService.cs
+++ b/VOL.Ai/Services/AiAppService.cs
@@ -1490,8 +1490,8 @@ namespace VOL.Ai.Services
 
             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 == paramDto.SchoolCode && x.Id == paramDto.ClassRoomRecordId)
@@ -1528,7 +1528,7 @@ namespace VOL.Ai.Services
             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)Tool.CalculatePercentage(heartRateDataList.Count(x => x.Strength > 50), heartRateDataList.Count)} %";
diff --git a/VOL.WebApi/Program.cs b/VOL.WebApi/Program.cs
index c08183a..7baa15c 100644
--- a/VOL.WebApi/Program.cs
+++ b/VOL.WebApi/Program.cs
@@ -50,7 +50,7 @@ namespace VOL.WebApi
                            serverOptions.Limits.MaxRequestLineSize = 81920; // 8 KB
                            // Set properties and call methods on options
                        });
-                       webBuilder.UseKestrel().UseUrls("http://*:9992");
+                       webBuilder.UseKestrel().UseUrls("http://*:9993");
                        webBuilder.UseIIS();
                        webBuilder.UseStartup<Startup>();
                    }).UseServiceProviderFactory(new AutofacServiceProviderFactory());