update

mec-biz/src/main/java/com/ym/mec/biz/dal/dao/CourseScheduleDao.java

@@ -96,7 +96,7 @@ public interface CourseScheduleDao extends BaseDAO<Long, CourseSchedule> {
      * @param userId: 用户编号
      * @return java.util.List<com.ym.mec.biz.dal.entity.CourseSchedule>
      */
-    List<CourseSchedule> deleteMusicGroupCourseSchedulesWithStudent(@Param("courseScheduleIds") List<Integer> courseScheduleIds,
+    int deleteMusicGroupCourseSchedulesWithStudent(@Param("courseScheduleIds") List<Integer> courseScheduleIds,
                                                                   @Param("userId") Integer userId);
 
     /**

mec-biz/src/main/java/com/ym/mec/biz/service/impl/ClassGroupStudentMapperServiceImpl.java

@@ -154,7 +154,7 @@ public class ClassGroupStudentMapperServiceImpl extends BaseServiceImpl<Long, Cl
         while (iterator.hasNext()) {
         	String userIdStr = iterator.next();
             List<ClassGroupStudentMapper> highClassGroupHasUser = classGroupStudentMapperDao.findHighClassGroupHasUser(classGroup.getMusicGroupId(), Integer.parseInt(userIdStr), classGroup.getType());
-            if (highClassGroupHasUser != null && highClassGroupHasUser.size() >= 0) {
+            if (highClassGroupHasUser != null && highClassGroupHasUser.size() > 0) {
             	iterator.remove();
                 continue;
             }