diff --git a/WeChatApplet/Services/Impl/PatriarchService.cs b/WeChatApplet/Services/Impl/PatriarchService.cs
index 926db11..a72dee9 100644
--- a/WeChatApplet/Services/Impl/PatriarchService.cs
+++ b/WeChatApplet/Services/Impl/PatriarchService.cs
@@ -286,18 +286,33 @@ namespace YD_WeChatApplet.Api.Services.Impl
                 var prevResult = studentResults.Skip(1).FirstOrDefault();
 
                 var maxScore = studentResults.Any()
-                    ? studentResults.Max(x => x.Score)
+                    ? studentResults.Max(x => x.Value)
                     : 0;
 
-                var classAvgScore = studentResults.Any()
-                    ? studentResults.Average(x => x.Score)
-                    : 0;
+                //var classAvgScore = studentResults.Any()
+                //    ? studentResults.Average(x => x.Value)
+                //    : 0;
 
-                var schoolAvgScore = sportsTestResults
-                    .Where(x => x.CategoryValue == item.Id)
-                    .Select(x => x.Score)
-                    .DefaultIfEmpty(0)
-                    .Average();
+                // 1. 获取每个学生最新的 ScoreTime
+                var latestRecords = sportsTestResults
+                    .Where(x => x.CategoryValue == item.Id) // 先按指标过滤，提升效率
+                    .GroupBy(x => x.StudentNo)
+                    .Select(g => new
+                    {
+                        StudentNo = g.Key,
+                        MaxScoreTime = g.Max(x => x.ScoreTime)
+                    });
+
+                // 2. 关联原表，取得最新测试的那条记录（该指标的值）
+                var latestValues = from record in sportsTestResults
+                                   join latest in latestRecords
+                                       on new { record.StudentNo, record.ScoreTime }
+                                       equals new { latest.StudentNo, ScoreTime = latest.MaxScoreTime }
+                                   where record.CategoryValue == item.Id
+                                   select record.Value;
+
+                // 3. 计算平均值（如果没有数据则返回0）
+                var schoolAvgScore = latestValues.DefaultIfEmpty(0).Average();
 
                 // 🚀 趋势图（关键：反转集合）
                 var trendList = studentResults
@@ -316,12 +331,13 @@ namespace YD_WeChatApplet.Api.Services.Impl
                     Name = item.CategoryName,
 
                     Rank = lastResult?.Rank,
+                    GradeId = lastResult.GradeId,
 
                     PrevScore = prevResult?.Score ?? 0,
                     LastScore = lastResult?.Score ?? 0,
 
                     MaxScore = (float)maxScore,
-                    ClassAvgScore = (float)classAvgScore,
+                    //ClassAvgScore = (float)classAvgScore,
                     SchoolAvgScore = (float)schoolAvgScore,
 
                     ScoreTrendChart = trendChart,
diff --git a/WeChatApplet/Services/Impl/TeacherService.cs b/WeChatApplet/Services/Impl/TeacherService.cs
index 8133f07..baf66d4 100644
--- a/WeChatApplet/Services/Impl/TeacherService.cs
+++ b/WeChatApplet/Services/Impl/TeacherService.cs
@@ -426,10 +426,17 @@ namespace YD_WeChatApplet.Services
             res.MinHR = (int)heartRateDataList.Min(x => x.Value);
             res.AvgHR = (int)heartRateDataList.Average(x => x.Value);
 
-            res.HighIntensity = heartRateDataList.Where(x => x.Strength > 50).Sum(x => x.MotionDuration);
+            var highIntensityCount = heartRateDataList.Count(x => x.Strength > 50);
 
-            double totalDuration = heartRateDataList.Sum(x => x.MotionDuration);
-            res.HighIntensityDurationRatio = totalDuration > 0 ? res.HighIntensity / totalDuration : 0;
+            res.HighIntensity = (int)Math.Round((double)highIntensityCount / classRoomStudent.Count(), MidpointRounding.AwayFromZero);
+
+            // 计算时间跨度（分钟）
+            //var minScoreTime = heartRateDataList.Min(x => x.ScoreTime);
+            //var maxScoreTime = heartRateDataList.Max(x => x.ScoreTime);
+            //double totalMinutes = (maxScoreTime - minScoreTime).TotalMinutes;
+
+            double totalMinutes = heartRateDataList.Count();
+            res.HighIntensityDurationRatio = totalMinutes > 0 ? Math.Round(highIntensityCount / totalMinutes * 100, MidpointRounding.AwayFromZero) : 0;
 
             var studentTrainingRecordList = classRoom.ClassroomStudentRecord.ToList();
             List<StudentTrainingRecordDto> studentList = new List<StudentTrainingRecordDto>();
@@ -517,9 +524,17 @@ namespace YD_WeChatApplet.Services
             res.MinHR = (int)heartRateDataList.Min(x => x.Value);
             res.AvgHR = (int)heartRateDataList.Average(x => x.Value);
 
-            res.HighIntensity = heartRateDataList.Where(x => x.Strength > 50).Sum(x => x.MotionDuration);
-            double totalDuration = heartRateDataList.Sum(x => x.MotionDuration);
-            res.HighIntensityDurationRatio = totalDuration > 0 ? res.HighIntensity / totalDuration : 0;
+            //res.HighIntensity = heartRateDataList.Where(x => x.Strength > 50).Sum(x => x.MotionDuration);
+
+            res.HighIntensity = heartRateDataList.Count(x => x.Strength > 50);
+
+            // 计算时间跨度（分钟）
+            //var minScoreTime = heartRateDataList.Min(x => x.ScoreTime);
+            //var maxScoreTime = heartRateDataList.Max(x => x.ScoreTime);
+            //double totalMinutes = (maxScoreTime - minScoreTime).TotalMinutes;
+
+            double totalMinutes = heartRateDataList.Count();
+            res.HighIntensityDurationRatio = totalMinutes > 0 ? Math.Round((double)res.HighIntensity / totalMinutes * 100, MidpointRounding.AwayFromZero) : 0;
 
             // 计算时间轴（每分钟平均心率）
             DateTime baseTime;
diff --git a/WeChatApplet/Services/Interface/ITeacherService.cs b/WeChatApplet/Services/Interface/ITeacherService.cs
index e58b9bc..a039561 100644
--- a/WeChatApplet/Services/Interface/ITeacherService.cs
+++ b/WeChatApplet/Services/Interface/ITeacherService.cs
@@ -73,7 +73,6 @@ namespace YD_WeChatApplet.Services
         /// <returns></returns>
         Task<StudentClassRoomReportDto> StudentClassRoomReport(StudentClassRoomReportRequestDto dto);
 
-
         /// <summary>
         /// 班级体测报告
         /// </summary>
diff --git a/YD_WeChatApplet.Commons/Dto/ClassRoomRecord/StudentClassRoomReportRequestDto.cs b/YD_WeChatApplet.Commons/Dto/ClassRoomRecord/StudentClassRoomReportRequestDto.cs
index 0e7d137..30eb4de 100644
--- a/YD_WeChatApplet.Commons/Dto/ClassRoomRecord/StudentClassRoomReportRequestDto.cs
+++ b/YD_WeChatApplet.Commons/Dto/ClassRoomRecord/StudentClassRoomReportRequestDto.cs
@@ -15,6 +15,7 @@ namespace YD_WeChatApplet.Commons.Dto.ClassRoomRecord
         /// 查询类型[1:课堂/2:时间]
         /// </summary>
         public int Type { get; set; }
+
         /// <summary>
         /// 课堂Id
         /// </summary>
diff --git a/YD_WeChatApplet.Commons/Dto/Patriarch/StudentReportDto.cs b/YD_WeChatApplet.Commons/Dto/Patriarch/StudentReportDto.cs
index 3cb196b..ddbc198 100644
--- a/YD_WeChatApplet.Commons/Dto/Patriarch/StudentReportDto.cs
+++ b/YD_WeChatApplet.Commons/Dto/Patriarch/StudentReportDto.cs
@@ -67,6 +67,11 @@ namespace YD_WeChatApplet.Commons.Dto.Patriarch
         /// </summary>
         public string Rank { get; set; }
 
+        /// <summary>
+        ///年级Id
+        /// </summary>
+        public int? GradeId { get; set; }
+
         /// <summary> 
         /// 成绩趋势图
         /// </summary>