diff --git a/Learun.Framework.Ultimate V7/Learun.Framework.Module/Learun.Application.Module/Learun.Application.TwoDevelopment/EducationalAdministration/OpenLessonPlanOfElective/OpenLessonPlanOfElectiveService.cs b/Learun.Framework.Ultimate V7/Learun.Framework.Module/Learun.Application.Module/Learun.Application.TwoDevelopment/EducationalAdministration/OpenLessonPlanOfElective/OpenLessonPlanOfElectiveService.cs
index f2c6b7315..08a0839eb 100644
--- a/Learun.Framework.Ultimate V7/Learun.Framework.Module/Learun.Application.Module/Learun.Application.TwoDevelopment/EducationalAdministration/OpenLessonPlanOfElective/OpenLessonPlanOfElectiveService.cs	
+++ b/Learun.Framework.Ultimate V7/Learun.Framework.Module/Learun.Application.Module/Learun.Application.TwoDevelopment/EducationalAdministration/OpenLessonPlanOfElective/OpenLessonPlanOfElectiveService.cs	
@@ -445,7 +445,7 @@ namespace Learun.Application.TwoDevelopment.EducationalAdministration
                         and LessonTime = '{lessonTimeArr[i]}' and LessonSection = '{lessonSectionArr[i]}'");
                     }
                     //选课专业
-                    db.ExecuteBySql($"delete from ElectiveMajor where OLPEId='{entity.Id}'");
+                    db.ExecuteBySql($"delete from ElectiveMajor where OLPOEId='{entity.Id}'");
                     //删除选修课课程表
                     db.ExecuteBySql($"delete from OpenLessonPlanOfElective where Id='{entity.Id}'");
                 }