diff --git a/Tiobon.Core.Services/Ghre/Ghre_StudyRecordServices.cs b/Tiobon.Core.Services/Ghre/Ghre_StudyRecordServices.cs
index 16b73fb3..c702131e 100644
--- a/Tiobon.Core.Services/Ghre/Ghre_StudyRecordServices.cs
+++ b/Tiobon.Core.Services/Ghre/Ghre_StudyRecordServices.cs
@@ -1687,10 +1687,23 @@ WHERE A.Id  = '{id}'";
         //var sql = $"UPDATE Ghre_StudyRecord SET StudyDuration = ISNULL(StudyDuration, 0)+{duration} WHERE Id='{studyRecordId}' AND  StaffId='{staffId}'";
         //await Db.Ado.ExecuteCommandAsync(sql);
 
-        await Db.Updateable<Ghre_StudyRecord>()
-            .SetColumns(it => new Ghre_StudyRecord() { StudyDuration = (it.StudyDuration ?? 0) + duration }, true)
-            .Where(it => it.Id == studyRecordId && it.StaffId == App.User.StaffId)
-            .ExecuteCommandAsync();
+        var standDuration = await Db.Queryable<Ghre_CourseWareAttachment>()
+            .Where(x => x.Id == attachmentId)
+            .Select(x => x.LearnDuration)
+            .FirstAsync() ?? 1000000000;
+
+        var studyDuration = await Db.Queryable<Ghre_StudyRecordDetail>()
+            .Where(x => x.StudyRecordId == studyRecordId && x.CourseWareAttachmentId == attachmentId)
+            .SumAsync(it => it.StudyDuration);
+
+        if (standDuration < (studyDuration + duration))
+            duration = standDuration - studyDuration;
+
+        if (duration > 0)
+            await Db.Updateable<Ghre_StudyRecord>()
+                .SetColumns(it => new Ghre_StudyRecord() { StudyDuration = (it.StudyDuration ?? 0) + duration }, true)
+                .Where(it => it.Id == studyRecordId && it.StaffId == App.User.StaffId)
+                .ExecuteCommandAsync();
 
         await Task.Factory.StartNew(async () => await GenerateStaffStudyRecord(Db, studyRecordId, duration.Value, attachmentId));
 
@@ -1700,7 +1713,7 @@ WHERE A.Id  = '{id}'";
 
     public async Task<bool> GenerateStaffStudyRecord(ISqlSugarClient Db, long studyRecordId, decimal duration, long attachmentId)
     {
-        //_logger.LogInformation($"【记录学习时长】GenerateStaffStudyRecord");
+        _logger.LogInformation($"【记录学习时长】GenerateStaffStudyRecord");
 
         var record = await Db.Queryable<Ghre_StudyRecord>().FirstAsync(x => x.Id == studyRecordId);
 
@@ -1726,7 +1739,7 @@ WHERE A.Id  = '{id}'";
         #endregion
 
         decimal studyProgress = 0;
-        //_logger.LogInformation($"【记录学习时长】studyProgress:{studyProgress}");
+        _logger.LogInformation($"【记录学习时长】studyProgress:{studyProgress}");
 
         var sql = $@"SELECT SUM(ISNULL (A.Hours, 0) * 60 + A.Minutes) Minutes
                             FROM Ghre_CourseWare A
@@ -1747,11 +1760,14 @@ WHERE A.Id  = '{id}'";
         if (mins > 0)
         {
             duration = record.StudyDuration ?? 0;
+
+
+
             studyProgress = (duration / mins) * 100;
             if (studyProgress > 100)
                 studyProgress = 100;
         }
-        //_logger.LogInformation($"【记录学习时长】studyProgress1:{studyProgress}");
+        _logger.LogInformation($"【记录学习时长】studyProgress1:{studyProgress}");