diff --git a/Learun.Framework.Ultimate V7/Learun.Framework.Module/Learun.Application.Module/Learun.Application.TwoDevelopment/EducationalAdministration/ArrangeLessonTerm/ArrangeLessonTermService.cs b/Learun.Framework.Ultimate V7/Learun.Framework.Module/Learun.Application.Module/Learun.Application.TwoDevelopment/EducationalAdministration/ArrangeLessonTerm/ArrangeLessonTermService.cs
index 83bdd6a2d..59e1f55e6 100644
--- a/Learun.Framework.Ultimate V7/Learun.Framework.Module/Learun.Application.Module/Learun.Application.TwoDevelopment/EducationalAdministration/ArrangeLessonTerm/ArrangeLessonTermService.cs	
+++ b/Learun.Framework.Ultimate V7/Learun.Framework.Module/Learun.Application.Module/Learun.Application.TwoDevelopment/EducationalAdministration/ArrangeLessonTerm/ArrangeLessonTermService.cs	
@@ -916,7 +916,7 @@ WHERE   (AcademicYearNo = '" + strAcademicYear + "') and semester='" + strSemest
                                 LessonName = item.LessonName,
                                 PartCode = "",
                                 Grade = item.Grade,
-                                LessonSortNo = lessonData.FirstOrDefault(m => m.LessonNo == item.LessonSortNo)
+                                LessonSortNo = lessonData.FirstOrDefault(m => m.LessonNo == item.LessonNo)
                                     ?.LessonSortNo,
                                 LessonSortDetailNo = lessonData
                                     .FirstOrDefault(m => m.LessonNo == item.LessonSortDetailNo)?.LessonSortDetailNo,