diff --git a/VOL.WebApi/Controllers/JingShiTiJiao/JingShiTiJiaoController.cs b/VOL.WebApi/Controllers/JingShiTiJiao/JingShiTiJiaoController.cs
index 0d45890..a1b87ff 100644
--- a/VOL.WebApi/Controllers/JingShiTiJiao/JingShiTiJiaoController.cs
+++ b/VOL.WebApi/Controllers/JingShiTiJiao/JingShiTiJiaoController.cs
@@ -12,6 +12,7 @@ using VOL.Business.IServices;
 using VOL.Business.IServices.Training;
 using VOL.Core.Filters;
 using VOL.Core.Utilities;
+using VOL.Entity.DomainModels;
 using VOL.Entity.Enum;
 using VOL.Model;
 using VOL.Model.HomeWork;
@@ -32,15 +33,16 @@ namespace VOL.WebApi.Controllers.JingShiTiJiao
 
         private readonly IS_HomeWorkService _homeWorkService;
         private readonly IJingShiTiJiaoService  _jingShiTiJiaoService;
-
-        
         private readonly II_TrainingDataService _trainingDataService;
+
+        private readonly S_StudentRepository _studentRepository;
         public JingShiTiJiaoController(
-            IS_HomeWorkService homeWorkService, II_TrainingDataService trainingDataService,IJingShiTiJiaoService  jingShiTiJiaoService)
+            IS_HomeWorkService homeWorkService, II_TrainingDataService trainingDataService,IJingShiTiJiaoService  jingShiTiJiaoService, S_StudentRepository studentRepository)
         {
             _homeWorkService = homeWorkService;
             _trainingDataService = trainingDataService;
             _jingShiTiJiaoService = jingShiTiJiaoService;
+            _studentRepository = studentRepository;
         }
 
         #endregion
@@ -129,25 +131,37 @@ namespace VOL.WebApi.Controllers.JingShiTiJiao
             if (string.IsNullOrWhiteSpace(schoolCode))
                 return new List<GradeNameModel>();
 
-            // 1️⃣ 调用京师接口获取年级班级
-            var schoolClass = await _jingShiTiJiaoService.GetClassBySchoolAsync(schoolCode);
+            // 1️⃣ 从数据库读取年级
+            var grades = await _studentRepository.DbContext.Set<JS_Grade>()
+                .Where(x => x.SchoolCode == schoolCode)
+                .ToListAsync();
 
-            if (schoolClass == null || schoolClass.Grades == null || !schoolClass.Grades.Any())
+            if (grades == null || !grades.Any())
                 return new List<GradeNameModel>();
 
-            // 2️⃣ 将接口结果映射为 GradeNameModel
-            var result = schoolClass.Grades.Select(g => new GradeNameModel
+            // 2️⃣ 从数据库读取班级
+            var allGradeNos = grades.Select(x => x.GradeNo).ToList();
+            var classes = await _studentRepository.DbContext.Set<JS_Class>()
+                .Where(x => x.SchoolCode == schoolCode && allGradeNos.Contains(x.GradeNo))
+                .ToListAsync();
+
+            // 3️⃣ 按年级分组班级
+            var result = grades.Select(g => new GradeNameModel
             {
-                Id = 0, // 如果数据库中没有对应Id，可先填0或后续映射数据库Id
+                Id = (int)g.Id,
                 GradeName = g.GradeName,
-                Class = g.Classes?.Select(c => new ClassNameModel
-                {
-                    Id = 0, // 同理，暂时填0
-                    ClassName = c.ClassName
-                }).ToList() ?? new List<ClassNameModel>()
+                Class = classes
+                    .Where(c => c.GradeNo == g.GradeNo)
+                    .Select(c => new ClassNameModel
+                    {
+                        Id = (int)c.Id,
+                        ClassName = c.ClassName
+                    })
+                    .ToList()
             }).ToList();
 
             return result;
         }
+
     }
 }