diff --git a/Tiobon.Core.Api/Controllers/FileController.cs b/Tiobon.Core.Api/Controllers/FileController.cs
index 09982839..d3f13feb 100644
--- a/Tiobon.Core.Api/Controllers/FileController.cs
+++ b/Tiobon.Core.Api/Controllers/FileController.cs
@@ -118,8 +118,6 @@ public class FileController : BaseApiController
         if (System.IO.File.Exists(webRootPath + filePath))
             System.IO.File.Delete(webRootPath + filePath);
 
-        var file = await _ghre_AttachmentServices.Delete(x => x.AttachmentName == fileName);
-
         #endregion
 
         using (var stream = global::System.IO.File.Create("wwwroot/" + filePath))
diff --git a/Tiobon.Core.Common/Helper/UtilHelper.cs b/Tiobon.Core.Common/Helper/UtilHelper.cs
index a43235ce..ffd47b47 100644
--- a/Tiobon.Core.Common/Helper/UtilHelper.cs
+++ b/Tiobon.Core.Common/Helper/UtilHelper.cs
@@ -228,6 +228,27 @@ public static class UtilHelper
         }
         catch (Exception) { return null; }
     }
+    public static decimal? TrimDecimal(this decimal? value1, int reservedDigit)
+    {
+        try
+        {
+            var value = value1.TrimDecimalString(reservedDigit);
+            string result = string.Empty;
+            if (!string.IsNullOrEmpty(value))
+            {
+                Decimal tmp = Decimal.Parse(value);
+                if (reservedDigit == -1)
+                    result = string.Format("{0:#0.##########}", tmp);
+                else
+                {
+                    result = String.Format("{0:N" + reservedDigit.ToString() + "}", tmp);
+                    result = result.Replace(",", "");
+                }
+            }
+            return Convert.ToDecimal(result);
+        }
+        catch (Exception) { return null; }
+    }
     #endregion
 
     /// <summary>
diff --git a/Tiobon.Core.Services/CommonServices.cs b/Tiobon.Core.Services/CommonServices.cs
index 85bfd202..a0a38fe0 100644
--- a/Tiobon.Core.Services/CommonServices.cs
+++ b/Tiobon.Core.Services/CommonServices.cs
@@ -1,5 +1,4 @@
 using Microsoft.AspNetCore.Mvc;
-using System.IO;
 using System.Text.RegularExpressions;
 
 namespace Tiobon.Core.Services;
diff --git a/Tiobon.Core.Services/Ghre/Ghre_CourseServices.cs b/Tiobon.Core.Services/Ghre/Ghre_CourseServices.cs
index c7c5da62..03df985a 100644
--- a/Tiobon.Core.Services/Ghre/Ghre_CourseServices.cs
+++ b/Tiobon.Core.Services/Ghre/Ghre_CourseServices.cs
@@ -1186,13 +1186,13 @@ public class Ghre_CourseServices : BaseServices<Ghre_Course, Ghre_CourseDto, Ins
                         WHERE     A.IsOpen = 1
                               AND A.IsEnable = 1
                               AND A.Status = '{DIC_COURSE_STATUS.RELEASED}') A";
-        if (await QueryCompanyCode() == "Ushio" && string.IsNullOrWhiteSpace(filter.orderBy))
-        {
-            filter.orderBy = "PublishTime DESC";
-        }
-        else
+        //if (await QueryCompanyCode() == "Ushio" && string.IsNullOrWhiteSpace(filter.orderBy))
+        //{
+        //    filter.orderBy = "PublishTime DESC";
+        //}
+        //else
       if (string.IsNullOrWhiteSpace(filter.orderBy))
-            filter.orderBy = "CourseName ASC";
+            filter.orderBy = "PublishTime DESC";
 
         string conditions = " WHERE 1=1";
         if (filter.jsonParam != null)
@@ -1451,6 +1451,9 @@ public class Ghre_CourseServices : BaseServices<Ghre_Course, Ghre_CourseDto, Ins
 
             data[i].AvgScore = data[i].AvgScore ?? 0;
 
+            if (data[i].AvgScore > 0)
+                data[i].AvgScore = data[i].AvgScore.TrimDecimal(2);
+
             var examCount = await Db.Queryable<Ghre_ExamRecord>()
                .Where(x => x.StudyRecordId != null && studyRecordIds.Contains(x.StudyRecordId.Value))
                .CountAsync();
diff --git a/Tiobon.Core.Services/Ghre/Ghre_ExamServices.cs b/Tiobon.Core.Services/Ghre/Ghre_ExamServices.cs
index 8a03c809..51cacefb 100644
--- a/Tiobon.Core.Services/Ghre/Ghre_ExamServices.cs
+++ b/Tiobon.Core.Services/Ghre/Ghre_ExamServices.cs
@@ -1401,11 +1401,20 @@ public class Ghre_ExamServices : BaseServices<Ghre_Exam, Ghre_ExamDto, InsertGhr
                 }
                 #endregion
 
-                var ids1 = ids.Where(x => id != x).ToList();
                 if (entity.LinkType == DIC_EXAM_LINK_TYPE_COURSE)
                 {
+                    var ids1 = await Db.Queryable<Ghre_Exam>()
+                        .Where(x => 
+                        x.Source == null && 
+                        x.Status == DIC_EXAM_STATUS.RELEASED && 
+                        x.CourseId == entity.CourseId && 
+                        x.Id != id)
+                        .Select(x => x.Id).ToListAsync();
+                    
                     #region 校验同一个课程下 考试时间不允许重叠
-                    var exams = await base.Query(x => (x.Source == null && x.Status == DIC_EXAM_STATUS.RELEASED && x.CourseId == entity.CourseId && x.Id != id) || ids1.Contains(x.Id));
+                    var exams = await base.Query(x => (
+                    x.Source == null &&
+                    x.Status == DIC_EXAM_STATUS.RELEASED && x.CourseId == entity.CourseId && x.Id != id) || ids1.Contains(x.Id));
                     if (exams.Any())
                         for (int i = 0; i < exams.Count; i++)
                         {
@@ -1428,6 +1437,13 @@ public class Ghre_ExamServices : BaseServices<Ghre_Exam, Ghre_ExamDto, InsertGhr
                 }
                 else
                 {
+                    var ids1 = await Db.Queryable<Ghre_Exam>()
+                        .Where(x =>
+                        x.Source == null &&
+                        x.Status == DIC_EXAM_STATUS.RELEASED &&
+                        x.CourseSceneId == entity.CourseSceneId &&
+                        x.Id != id)
+                        .Select(x => x.Id).ToListAsync();
                     #region 校验同一个课程场景下 考试时间不允许重叠
                     var exams = await base.Query(x => (x.Source == null && x.Status == DIC_EXAM_STATUS.RELEASED && x.CourseSceneId == entity.CourseSceneId && x.Id != id) || ids1.Contains(x.Id));
                     if (exams.Any())
@@ -1468,11 +1484,11 @@ public class Ghre_ExamServices : BaseServices<Ghre_Exam, Ghre_ExamDto, InsertGhr
             if (status == DIC_EXAM_STATUS.RELEASED || status == DIC_EXAM_STATUS.DISABLED || status == DIC_EXAM_STATUS.DRAFT)
             {
                 entity.Status = status;
-                entities.Add(entity);
+                await BaseDal.Update(entity);
             }
         }
 
-        var result = await BaseDal.Update(entities);
+        //var result = await BaseDal.Update(entities);
         if (status == DIC_EXAM_STATUS.RELEASED)
             return ServiceResult.OprateSuccess("发布成功！");
         else if (status == DIC_EXAM_STATUS.DRAFT)
@@ -1924,4 +1940,31 @@ public class Ghre_ExamServices : BaseServices<Ghre_Exam, Ghre_ExamDto, InsertGhr
         //}
         return ServiceResult.OprateSuccess("执行成功！");
     }
+
+    #region 批量删除
+
+    public override async Task<bool> DeleteById1(object id)
+    {
+        return await DeleteByIds1([id.ObjToLong()]);
+    }
+    /// <summary>
+    /// 删除指定ID集合的数据(批量删除)
+    /// </summary>
+    /// <param name="ids">主键ID集合</param>
+    /// <returns></returns>
+    public override async Task<bool> DeleteByIds1(long[] ids)
+    {
+        await Db.Updateable<Ghre_Exam>()
+           .SetColumns(it => new Ghre_Exam() { IsEnable = 0 }, true)
+           .Where(it => ids.Contains(it.Id))
+           .ExecuteCommandAsync();
+
+        await Db.Updateable<Ghre_StudyRecord>()
+            .SetColumns(it => new Ghre_StudyRecord() { ExamId = null }, true)
+            .Where(it => it.ExamId != null && ids.Contains(it.ExamId.Value))
+            .ExecuteCommandAsync();
+
+        return true;
+    }
+    #endregion
 }
\ No newline at end of file
diff --git a/Tiobon.Core.Services/Ghre/Ghre_PlanServices.cs b/Tiobon.Core.Services/Ghre/Ghre_PlanServices.cs
index 47616247..be6f67af 100644
--- a/Tiobon.Core.Services/Ghre/Ghre_PlanServices.cs
+++ b/Tiobon.Core.Services/Ghre/Ghre_PlanServices.cs
@@ -1,7 +1,5 @@
-using NPOI.SS.Formula.Functions;
-using NPOI.SS.UserModel;
+using NPOI.SS.UserModel;
 using NPOI.SS.Util;
-using Tiobon.Core.Common;
 using static Tiobon.Core.Model.Consts;
 
 namespace Tiobon.Core.Services;
diff --git a/Tiobon.Core.Services/Ghre/Ghre_StudyRecordServices.cs b/Tiobon.Core.Services/Ghre/Ghre_StudyRecordServices.cs
index c09ce922..48810cb3 100644
--- a/Tiobon.Core.Services/Ghre/Ghre_StudyRecordServices.cs
+++ b/Tiobon.Core.Services/Ghre/Ghre_StudyRecordServices.cs
@@ -39,12 +39,12 @@ public class Ghre_StudyRecordServices : BaseServices<Ghre_StudyRecord, Ghre_Stud
         var sql = @$" SELECT *
                     FROM Ghre_StudyRecord_V  A";
 
-        string conditions = " WHERE  ((BeginTime IS NOT NULL AND ( IsRequireStudy='true' OR IsRequireStudy IS NULL )) OR IsRequireStudy='false')  ";
+        string conditions = " WHERE  ((( IsRequireStudy='true' OR IsRequireStudy IS NULL )) OR IsRequireStudy='false')  ";
         if (await Db.Queryable<Ghrs_Menu>().Where(x => x.DataPrivType == "Priv" && x.MenuNo == filter.menuName).AnyAsync())
         {
             var staffIds = await GetUserStaffPrivIds((int)App.User.ID);
             if (staffIds.Any())
-                conditions = $" WHERE  ((BeginTime IS NOT NULL AND ( IsRequireStudy='true' OR IsRequireStudy IS NULL )) OR IsRequireStudy='false') AND StaffId IN ({string.Join(",", staffIds.Select(id => "'" + id + "'"))})";
+                conditions = $" WHERE  ((( IsRequireStudy='true' OR IsRequireStudy IS NULL )) OR IsRequireStudy='false') AND StaffId IN ({string.Join(",", staffIds.Select(id => "'" + id + "'"))})";
         }
 
         if (IsEnable == true)