diff --git a/Learun.Framework.Ultimate V7/Learun.Framework.Module/Learun.Application.Module/Learun.Application.TwoDevelopment/EducationalAdministration/StuVolunteer/StuVolunteerService.cs b/Learun.Framework.Ultimate V7/Learun.Framework.Module/Learun.Application.Module/Learun.Application.TwoDevelopment/EducationalAdministration/StuVolunteer/StuVolunteerService.cs
index 88e286df8..1f2217ec1 100644
--- a/Learun.Framework.Ultimate V7/Learun.Framework.Module/Learun.Application.Module/Learun.Application.TwoDevelopment/EducationalAdministration/StuVolunteer/StuVolunteerService.cs	
+++ b/Learun.Framework.Ultimate V7/Learun.Framework.Module/Learun.Application.Module/Learun.Application.TwoDevelopment/EducationalAdministration/StuVolunteer/StuVolunteerService.cs	
@@ -755,13 +755,20 @@ namespace Learun.Application.TwoDevelopment.EducationalAdministration
         {
             try
             {
+                string DeptNo = "";
+                var CdMajorList = this.BaseRepository("CollegeMIS").FindEntity<CdMajorEntity>(x => x.CheckMark == true && x.MajorNo == MajorNo);
+                if (CdMajorList != null)
+                {
+                    DeptNo = CdMajorList.DeptNo;
+                }
+
                 var Majorinfo = this.BaseRepository("CollegeMIS").FindEntity<CdMajorEntity>(x => x.MajorNo == MajorNo);
                 if (Majorinfo != null)
                 {
                     var arr = keyValue.Split(',').ToList();
                     foreach (var id in arr)
                     {
-                        string sql = $"update StuVolunteer set MajorNo = '{MajorNo}',ClassNo = '', MajorStatus = 0 ,ClassStatus = 0 where ID='{id}' and (StuNo is null or len(StuNo)=0); update StuVolunteer set MajorNo='{MajorNo}', ClassNo = '', MajorStatus =0,ClassStatus=0 where ID='{id}' and (StuNo is not null or len(StuNo)>0)";
+                        string sql = $"update StuVolunteer set MajorNo = '{MajorNo}',ClassNo = '',DeptNo = '{DeptNo}', MajorStatus = 0 ,ClassStatus = 0 where ID='{id}' and (StuNo is null or len(StuNo)=0); update StuVolunteer set MajorNo='{MajorNo}', ClassNo = '',DeptNo = '{DeptNo}', MajorStatus =0,ClassStatus=0 where ID='{id}' and (StuNo is not null or len(StuNo)>0)";
                         this.BaseRepository("CollegeMIS").ExecuteBySql(sql);
                     }
                 }