班级组织：任课老师的修改

applications/school/school-server/src/main/java/com/usoftchina/smartschool/school/basic/service/impl/ClassServiceImpl.java

@@ -96,10 +96,10 @@ public class ClassServiceImpl implements ClassService{
             detail.setClazz_id(clazz.getClazz_id());
             Integer count = 0;
             count = sysClazzMapper.teacherClazz(detail.getSubject_name(),clazz.getClazz_id());
-            if(count > 0){
-                throw new BizException(BizExceptionCode.REPEAT_SUBJECTS);
-            }
             if (StringUtils.isEmpty(detail.getTeacher_clazz_id()) || "0".equals(detail.getTeacher_clazz_id().toString())) {
+                if(count > 0){
+                    throw new BizException(BizExceptionCode.REPEAT_SUBJECTS);
+                }
                 insertDetails.add(detail);
             } else {
                 updateDetails.add(detail);