diff --git a/Tiobon.Core.Services/Ghre/Ghre_StudyRecordServices.cs b/Tiobon.Core.Services/Ghre/Ghre_StudyRecordServices.cs
index 210e813b..71f425ff 100644
--- a/Tiobon.Core.Services/Ghre/Ghre_StudyRecordServices.cs
+++ b/Tiobon.Core.Services/Ghre/Ghre_StudyRecordServices.cs
@@ -1152,8 +1152,8 @@ FROM Ghre_OpenClass A
      LEFT JOIN Ghre_Course C ON A.LinkId = C.Id
      LEFT JOIN Ghre_CourseScene D ON A.LinkId = D.Id
      LEFT JOIN Ghre_ExamRecord E ON A.Id = E.OpenClassId AND E.StaffId = '{staffId}'
-     LEFT JOIN Ghre_StudyRecord F ON A.Id = F.OpenClassId
-WHERE A.Status !='Temporary' AND   (   EXISTS
+     LEFT JOIN Ghre_StudyRecord F ON A.Id = F.OpenClassId And F.IsEnable=1
+WHERE A.Status !='Temporary' AND A.IsEnable=1 AND   (   EXISTS
              (SELECT 1
               FROM Ghre_OpenClassStaff C
               WHERE C.OpenClassId = A.ID AND c.StaffId = '{staffId}')