diff --git a/servers/boe-server-all/src/main/java/com/xboe/school/study/service/impl/StudyCourseServiceImpl.java b/servers/boe-server-all/src/main/java/com/xboe/school/study/service/impl/StudyCourseServiceImpl.java
index e1a0f6a9..0d90771f 100644
--- a/servers/boe-server-all/src/main/java/com/xboe/school/study/service/impl/StudyCourseServiceImpl.java
+++ b/servers/boe-server-all/src/main/java/com/xboe/school/study/service/impl/StudyCourseServiceImpl.java
@@ -396,7 +396,7 @@ public class StudyCourseServiceImpl implements IStudyCourseService{
 		//List<StudyCourse> list = studyCourseDao.findList(builder.builder());
 		StringBuilder str=new StringBuilder();
 		if(!studyCourseQuery.getIds().isEmpty()){
-			for (String id:studyCourseQuery.getIds()){
+			for (String id:studyCourseQuery.getAids()){
 				str.append("'");
 				str.append(id);
 				str.append("'");
@@ -427,7 +427,7 @@ public class StudyCourseServiceImpl implements IStudyCourseService{
 		String sql="select sc.id,sc.course_id,sc.course_type,sc.course_name,sc.aid,sc.aname,sc.source,sc.add_time,sc.start_time,sc.finish_time,sc.progress," +
 				"sc.total_duration,sc.last_score,sc.status,sc.status_time,sc.last_time," +
 				"c.score,c.cover_img from boe_course as c left join boe_study_course as sc on sc.course_id=c.id where " +
-				"sc.aid in("+str1+") and sc.course_id in ("+str+") order by sc.last_time";
+				"sc.aid in("+str+") and sc.course_id in ("+str1+") order by sc.last_time";
 
 		List<StudyCourse> rs=new ArrayList<StudyCourse>();
 		Set<String> checkSet=new HashSet<String>();