diff --git a/servers/boe-server-all/src/main/java/com/xboe/school/study/service/impl/StudyServiceImpl.java b/servers/boe-server-all/src/main/java/com/xboe/school/study/service/impl/StudyServiceImpl.java
index 566bcc20..4e642137 100644
--- a/servers/boe-server-all/src/main/java/com/xboe/school/study/service/impl/StudyServiceImpl.java
+++ b/servers/boe-server-all/src/main/java/com/xboe/school/study/service/impl/StudyServiceImpl.java
@@ -212,7 +212,7 @@ public class StudyServiceImpl implements IStudyService{
 				return pageList;
 			}
 		}
-		String sql2 = "select bsc.id,bsc.course_id,bsc.course_name,bsc.aname,item.progress,item.status from boe_study_course bsc left join " +
+		String sql2 = "select * from (select bsc.id,bsc.course_id,bsc.course_name,bsc.aname,item.progress,item.status from boe_study_course bsc left join " +
 				"boe_study_course_item item on item.course_id = bsc.course_id and item.study_id = bsc.id " +
 				"where bsc.`status` in (2,9) and bsc.course_id = '"+ courseId+"' " +
 				"UNION ALL " +
@@ -222,7 +222,7 @@ public class StudyServiceImpl implements IStudyService{
 				" select bsc.id from boe_study_course bsc " +
 				" left join boe_study_course_item item on item.course_id = bsc.course_id and item.study_id = bsc.id " +
 				" where bsc.course_id = '" + courseId + "' and item.content_id = '"+ contentId+"'" +
-				" )";
+				" )) a group by a.id";
 		List<Object[]> list = scDao.sqlFindList(sql2);
 		List<StudyCourseItem> item = new ArrayList<>();
 		for (Object[] objs : list) {