diff --git a/WeChatApplet/Services/Impl/PatriarchService.cs b/WeChatApplet/Services/Impl/PatriarchService.cs
index a72dee9..fadfb47 100644
--- a/WeChatApplet/Services/Impl/PatriarchService.cs
+++ b/WeChatApplet/Services/Impl/PatriarchService.cs
@@ -186,7 +186,10 @@ namespace YD_WeChatApplet.Api.Services.Impl
         /// <returns></returns>
         public async Task<StudentReportDto> StudentReport(string? studentNo)
         {
-            var res = new StudentReportDto();
+            var res = new StudentReportDto
+            {
+                CategoryScoreList = new List<CategoryScoreDto>()
+            };
 
             // 若参数为空，则尝试从登录上下文获取当前用户编号
             if (string.IsNullOrWhiteSpace(studentNo))
@@ -272,8 +275,6 @@ namespace YD_WeChatApplet.Api.Services.Impl
                 ScoreTime = x.ScoreTime
             }).ToListAsync();
 
-            res.CategoryScoreList = new List<CategoryScoreDto>();
-
             foreach (var item in categorys)
             {
                 // ✅ 当前学生数据
@@ -327,11 +328,11 @@ namespace YD_WeChatApplet.Api.Services.Impl
 
                 res.CategoryScoreList.Add(new CategoryScoreDto()
                 {
-                    CategoryValue = item.CategoryValue,
+                    CategoryValue = item.Id,
                     Name = item.CategoryName,
 
                     Rank = lastResult?.Rank,
-                    GradeId = lastResult.GradeId,
+                    GradeId = lastResult?.GradeId,
 
                     PrevScore = prevResult?.Score ?? 0,
                     LastScore = lastResult?.Score ?? 0,
@@ -340,7 +341,7 @@ namespace YD_WeChatApplet.Api.Services.Impl
                     //ClassAvgScore = (float)classAvgScore,
                     SchoolAvgScore = (float)schoolAvgScore,
 
-                    ScoreTrendChart = trendChart,
+                    ScoreTrendChart = trendChart ?? new ScoreTrendChartDataDto { AxisX = new List<string>(), AxisY = new List<float>() },
 
                     ImgUrl = $"{AppSettings.ALiYunOSS.CategoryImgUrl}{item.CategoryEnum}.png"
                 });
diff --git a/YD_WeChatApplet.Commons/Dto/Patriarch/StudentReportDto.cs b/YD_WeChatApplet.Commons/Dto/Patriarch/StudentReportDto.cs
index ddbc198..7b1ca56 100644
--- a/YD_WeChatApplet.Commons/Dto/Patriarch/StudentReportDto.cs
+++ b/YD_WeChatApplet.Commons/Dto/Patriarch/StudentReportDto.cs
@@ -14,7 +14,7 @@ namespace YD_WeChatApplet.Commons.Dto.Patriarch
         /// <summary>
         /// 各项目得分
         /// </summary>
-        public List<CategoryScoreDto> CategoryScoreList { get; set; }
+        public List<CategoryScoreDto> CategoryScoreList { get; set; } = new List<CategoryScoreDto>();
     }
 
     /// <summary>
@@ -30,7 +30,7 @@ namespace YD_WeChatApplet.Commons.Dto.Patriarch
         /// <summary>
         /// 项目名称
         /// </summary>
-        public string Name { get; set; }
+        public string Name { get; set; } = string.Empty;
 
         /// <summary>
         /// 上一次得分
@@ -60,12 +60,12 @@ namespace YD_WeChatApplet.Commons.Dto.Patriarch
         /// <summary>
         /// 图片地址
         /// </summary>
-        public string ImgUrl { get; set; }
+        public string ImgUrl { get; set; } = string.Empty;
 
         /// <summary>
         /// 等级
         /// </summary>
-        public string Rank { get; set; }
+        public string Rank { get; set; } = string.Empty;
 
         /// <summary>
         ///年级Id
@@ -75,7 +75,7 @@ namespace YD_WeChatApplet.Commons.Dto.Patriarch
         /// <summary> 
         /// 成绩趋势图
         /// </summary>
-        public ScoreTrendChartDataDto ScoreTrendChart { get; set; }
+        public ScoreTrendChartDataDto ScoreTrendChart { get; set; } = new ScoreTrendChartDataDto();
     }
 
     public class ScoreTrendChartDataDto
@@ -83,11 +83,11 @@ namespace YD_WeChatApplet.Commons.Dto.Patriarch
         /// <summary>
         /// X轴
         /// </summary>
-        public List<string> AxisX { get; set; }
+        public List<string> AxisX { get; set; } = new List<string>();
 
         /// <summary>
         /// Y轴
         /// </summary>
-        public List<float> AxisY { get; set; }
+        public List<float> AxisY { get; set; } = new List<float>();
     }
 }