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 4531be76..0e099884 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
@@ -187,7 +187,7 @@ public class StudyServiceImpl implements IStudyService{
 				query.addFilter(FieldFilters.eq("progress",100));
 			}else if(status == 1){
 				List<StudyCourseItem> studyCourseItemPageList = new ArrayList<>();
-				String from= StudyCourse.class.getSimpleName()+" bsc "+ StudyCourseItem.class.getSimpleName()+" item";
+				String from= StudyCourse.class.getSimpleName()+" bsc,"+ StudyCourseItem.class.getSimpleName()+" item";
 				QueryBuilder builder = QueryBuilder.from(from);
 				builder.setPageIndex(pageIndex);
 				builder.setPageSize(pageSize);