diff --git a/Learun.Framework.Ultimate V7/Learun.Framework.Module/Learun.Application.Module/Learun.Application.TwoDevelopment/EducationalAdministration/StuScore/StuScoreService.cs b/Learun.Framework.Ultimate V7/Learun.Framework.Module/Learun.Application.Module/Learun.Application.TwoDevelopment/EducationalAdministration/StuScore/StuScoreService.cs
index b50e78457..39666bc5a 100644
--- a/Learun.Framework.Ultimate V7/Learun.Framework.Module/Learun.Application.Module/Learun.Application.TwoDevelopment/EducationalAdministration/StuScore/StuScoreService.cs	
+++ b/Learun.Framework.Ultimate V7/Learun.Framework.Module/Learun.Application.Module/Learun.Application.TwoDevelopment/EducationalAdministration/StuScore/StuScoreService.cs	
@@ -929,8 +929,8 @@ where AcademicYearNo='" + strAcademicYear + "' and Semester='" + strSemester + "
                             insertDatastuselect.LessonSortNo = lessonData.FirstOrDefault(m => m.LessonNo == itemteachclass.LessonNo)?.LessonSortNo;
                             insertDatastuselect.StuSortNo = "02";
                             insertDatastuselect.Grade = stu.Grade;
-                            insertDatastuselect.StudyScore = lessonData.FirstOrDefault(m => m.LessonNo == itemteachclass.LessonNo).StudyScore == null ? 0 : lessonData.FirstOrDefault(m => m.LessonNo == itemteachclass.LessonNo).StudyScore;
-                            insertDatastuselect.TotalStudyHour = lessonData.FirstOrDefault(m => m.LessonNo == itemteachclass.LessonNo).TotalStudyHour == null ? 0 : lessonData.FirstOrDefault(m => m.LessonNo == itemteachclass.LessonNo).TotalStudyHour;
+                            insertDatastuselect.StudyScore = lessonData.FirstOrDefault(m => m.LessonNo == itemteachclass.LessonNo)?.StudyScore == null ? 0 : lessonData.FirstOrDefault(m => m.LessonNo == itemteachclass.LessonNo)?.StudyScore;
+                            insertDatastuselect.TotalStudyHour = lessonData.FirstOrDefault(m => m.LessonNo == itemteachclass.LessonNo)?.TotalStudyHour == null ? 0 : lessonData.FirstOrDefault(m => m.LessonNo == itemteachclass.LessonNo)?.TotalStudyHour;
                             insertDatastuselect.IsInEffect = "1";
                             insertDatastuselect.EmpNo = itemteachclass.EmpNo;
                             insertDatastuselect.IsPitchOn = "1";
@@ -945,7 +945,7 @@ where AcademicYearNo='" + strAcademicYear + "' and Semester='" + strSemester + "
                                                                          m.LessonNo == insertDatastuselect.LessonNo &&
                                                                          m.Grade == insertDatastuselect.Grade &&
                                                                          m.OpenLessonDeptNo == insertDatastuselect.OpenLessonDeptNo &&
-                                                                         m.OpenLessonMajorNo == insertDatastuselect.OpenLessonMajorNo&&
+                                                                         m.OpenLessonMajorNo == insertDatastuselect.OpenLessonMajorNo &&
                                                                          m.F_SchoolId == insertDatastuselect.F_SchoolId) == 0 && insertStuSelectLessonListDataList.Count(m => m.StuNo == insertDatastuselect.StuNo &&
                                                                                                                                                                                             m.AcademicYearNo == insertDatastuselect.AcademicYearNo &&
                                                                                                                                                                                             m.Semester == insertDatastuselect.Semester &&
@@ -954,7 +954,7 @@ where AcademicYearNo='" + strAcademicYear + "' and Semester='" + strSemester + "
                                                                                                                                                                                             m.LessonNo == insertDatastuselect.LessonNo &&
                                                                                                                                                                                             m.Grade == insertDatastuselect.Grade &&
                                                                                                                                                                                             m.OpenLessonDeptNo == insertDatastuselect.OpenLessonDeptNo &&
-                                                                                                                                                                                            m.OpenLessonMajorNo == insertDatastuselect.OpenLessonMajorNo&&
+                                                                                                                                                                                            m.OpenLessonMajorNo == insertDatastuselect.OpenLessonMajorNo &&
                                                                                                                                                                               m.F_SchoolId == insertDatastuselect.F_SchoolId) == 0)
                             {
                                 insertStuSelectLessonListDataList.Add(insertDatastuselect);