diff --git a/YD_YiLu.Commons/Dto/DeviceSync/DeviceSyncTrainPushDto.cs b/YD_YiLu.Commons/Dto/DeviceSync/DeviceSyncTrainPushDto.cs
index 992e5eb..c0a1da7 100644
--- a/YD_YiLu.Commons/Dto/DeviceSync/DeviceSyncTrainPushDto.cs
+++ b/YD_YiLu.Commons/Dto/DeviceSync/DeviceSyncTrainPushDto.cs
@@ -14,7 +14,7 @@ namespace YD_YiLu.Commons.Dto.DeviceSync
         public string VideoSerial { get; set; }
         public int TrainExam { get; set; }
         public int? QuizId { get; set; }
-        public int StandardCounts { get; set; }
+        public double StandardCounts { get; set; }
         public int UnStandardCounts { get; set; }
         public double? TimeKeeping { get; set; }
         public int Duration { get; set; }
diff --git a/YD_YiLu/Controllers/DeviceSyncController.cs b/YD_YiLu/Controllers/DeviceSyncController.cs
index 2ebc9e3..57704d3 100644
--- a/YD_YiLu/Controllers/DeviceSyncController.cs
+++ b/YD_YiLu/Controllers/DeviceSyncController.cs
@@ -1,5 +1,6 @@
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
+using Microsoft.Extensions.Logging;
 using YD_YiLu.Api.Services.Interface;
 using YD_YiLu.Commons.Dto.DeviceSync;
 
@@ -12,10 +13,12 @@ namespace YD_YiLu.Api.Controllers
     public class DeviceSyncController : ControllerBase
     {
         private readonly IDeviceSyncService _deviceSyncService;
+        private readonly ILogger<DeviceSyncController> _logger;
 
-        public DeviceSyncController(IDeviceSyncService deviceSyncService)
+        public DeviceSyncController(IDeviceSyncService deviceSyncService, ILogger<DeviceSyncController> logger)
         {
             _deviceSyncService = deviceSyncService;
+            _logger = logger;
         }
 
         /// <summary>
@@ -91,6 +94,13 @@ namespace YD_YiLu.Api.Controllers
         [Route("/device/sync/train_push")]
         public async Task<object> TrainPush([FromBody] List<DeviceSyncTrainPushRequestDto> list)
         {
+            var rawBody = HttpContext.Items["TrainPushRawBody"] as string;
+            _logger.LogInformation(
+                "TrainPush model binding result. RawBodyLength: {RawBodyLength}, MappedCount: {MappedCount}, Body: {RawBody}",
+                rawBody?.Length ?? 0,
+                list?.Count ?? 0,
+                rawBody);
+
             var res = await _deviceSyncService.TrainPushAsync(list);
             return res;
         }
diff --git a/YD_YiLu/Services/Impl/DeviceSyncService.cs b/YD_YiLu/Services/Impl/DeviceSyncService.cs
index b91a0bf..b1c2647 100644
--- a/YD_YiLu/Services/Impl/DeviceSyncService.cs
+++ b/YD_YiLu/Services/Impl/DeviceSyncService.cs
@@ -57,7 +57,7 @@ namespace YD_YiLu.Api.Services.Impl
                     Username = s.StudentNo,
                     Nickname = s.StudentName,
                     GradeName = "",
-                    OrganizationId = s.Id,
+                    OrganizationId = (int)orgId,
                     OrganizationName = s.ClassName ?? "",
                     FacePictureUrl = s.Photo ?? "",
                     Identity = "学生",
@@ -106,7 +106,20 @@ namespace YD_YiLu.Api.Services.Impl
             if (!orgId.HasValue) return new List<DeviceSyncOrganizationDto>();
 
             string schoolCode = await _context.School.Where(x => x.Id == orgId).Select(x => x.SchoolCode).FirstAsync();
-            var grades = await _context.Grade.Where(x => x.SchoolCode == schoolCode).OrderBy(x => x.Id).ToListAsync();
+
+            var grades = await (
+                from g in _context.Grade
+                join sg in _context.SchoolAssocGrade
+                    on g.Id equals sg.GradeId
+                where sg.SchoolCode == schoolCode
+                orderby g.Id
+                select new
+                {
+                    g.Id,
+                    g.GradeName
+                }
+            ).ToListAsync();
+
             var classes = await _context.Class.Where(x => x.SchoolCode == schoolCode).ToListAsync();
 
             var result = new List<DeviceSyncOrganizationDto>();
diff --git a/YD_YiLu/SmartSportsEntitys/YL_Train.cs b/YD_YiLu/SmartSportsEntitys/YL_Train.cs
index ec1d221..91a1b1a 100644
--- a/YD_YiLu/SmartSportsEntitys/YL_Train.cs
+++ b/YD_YiLu/SmartSportsEntitys/YL_Train.cs
@@ -66,7 +66,7 @@ namespace YD_YiLu.Api.SmartSportsEntitys
         /// <summary>
         /// 有效个数
         /// </summary>
-        public int StandardCounts { get; set; }
+        public double StandardCounts { get; set; }
 
         /// <summary>
         /// 不合格动作数
diff --git a/YD_YiLu/Startup.cs b/YD_YiLu/Startup.cs
index 4d12988..9ecdad2 100644
--- a/YD_YiLu/Startup.cs
+++ b/YD_YiLu/Startup.cs
@@ -325,6 +325,32 @@ namespace YD_YiLu.Api
                 await next();
             });
 
+            app.Use(async (context, next) =>
+            {
+                if (HttpMethods.IsPost(context.Request.Method) &&
+                    context.Request.Path.Equals("/device/sync/train_push", StringComparison.OrdinalIgnoreCase))
+                {
+                    context.Request.EnableBuffering();
+                    context.Request.Body.Position = 0;
+
+                    using (var reader = new StreamReader(context.Request.Body, leaveOpen: true))
+                    {
+                        var rawBody = await reader.ReadToEndAsync();
+                        context.Request.Body.Position = 0;
+                        context.Items["TrainPushRawBody"] = rawBody;
+
+                        var logger = context.RequestServices.GetRequiredService<ILogger<Startup>>();
+                        logger.LogInformation(
+                            "TrainPush raw request received before model binding. ContentType: {ContentType}, ContentLength: {ContentLength}, Body: {RawBody}",
+                            context.Request.ContentType,
+                            context.Request.ContentLength,
+                            rawBody);
+                    }
+                }
+
+                await next();
+            });
+
             app.UseRouting();
             app.UseCors();
             app.UseAuthentication();