diff --git a/servers/boe-server-all/src/main/java/com/xboe/module/course/service/impl/CourseServiceImpl.java b/servers/boe-server-all/src/main/java/com/xboe/module/course/service/impl/CourseServiceImpl.java
index 8b0778e2..1d987bec 100644
--- a/servers/boe-server-all/src/main/java/com/xboe/module/course/service/impl/CourseServiceImpl.java
+++ b/servers/boe-server-all/src/main/java/com/xboe/module/course/service/impl/CourseServiceImpl.java
@@ -370,7 +370,7 @@ public class CourseServiceImpl implements ICourseService {
 						"AND s.type =2 \n" +
 						"AND s.student_id = ?1\n" +
 						"and c.org_id  not in(?2)\n" +
-						"and c.sys_create_aid !=?3";
+						"and (c.sys_create_aid !=?3 or c.sys_create_aid is null)";
 				list = courseTeacherDao.sqlFindList(sql, dto.getOrgAid(),strings,dto.getOrgAid());
 			}
 			else {
@@ -388,7 +388,7 @@ public class CourseServiceImpl implements ICourseService {
 						"AND s.type =2 \n" +
 						"AND s.student_id = ?1\n" +
 						"and c.org_id  !=?2\n" +
-						"and c.sys_create_aid !=?3";
+						"and (c.sys_create_aid !=?3 or c.sys_create_aid is null)";
 				list = courseTeacherDao.sqlFindList(sql, dto.getOrgAid(), dto.getOrgIds(),dto.getOrgAid());
 			}
 		}else {
@@ -405,7 +405,7 @@ public class CourseServiceImpl implements ICourseService {
 					"and c.deleted=0\n" +
 					"AND s.type =2 \n" +
 					"AND s.student_id = ?1\n" +
-					"and c.sys_create_aid !=?2";
+					"and (c.sys_create_aid !=?2 or c.sys_create_aid is null)";
 			list = courseTeacherDao.sqlFindList(sql, dto.getOrgAid(),dto.getOrgAid());
 		}
         List<String>list1=new ArrayList<>();
@@ -435,7 +435,7 @@ public class CourseServiceImpl implements ICourseService {
 						"AND s.type =1 \n" +
 						"AND s.student_id = ?1\n" +
 						"and c.org_id  not in(?2)\n" +
-						"and c.sys_create_aid !=?3";
+						"and (c.sys_create_aid !=?3 or c.sys_create_aid is null)";
 				list = courseTeacherDao.sqlFindList(sql, dto.getOrgAid(),strings,dto.getOrgAid());
 			}
 			else {
@@ -453,7 +453,7 @@ public class CourseServiceImpl implements ICourseService {
 						"AND s.type =1 \n" +
 						"AND s.student_id = ?1\n" +
 						"and c.org_id  !=?2\n" +
-						"and c.sys_create_aid !=?3";
+						"and (c.sys_create_aid !=?3 or c.sys_create_aid is null)";
 				list = courseTeacherDao.sqlFindList(sql, dto.getOrgAid(), dto.getOrgIds(),dto.getOrgAid());
 			}
 		}else {
@@ -470,7 +470,7 @@ public class CourseServiceImpl implements ICourseService {
 					"and c.deleted=0\n" +
 					"AND s.type =1 \n" +
 					"AND s.student_id = ?1\n" +
-					"and c.sys_create_aid !=?2";
+					"and (c.sys_create_aid !=?2 or c.sys_create_aid is null)";
 			list = courseTeacherDao.sqlFindList(sql, dto.getOrgAid(),dto.getOrgAid());
 		}
 		List<String>list1=new ArrayList<>();