1.后端老师新增校验，不能重复新增

cooleshow-user/user-biz/src/main/java/com/yonge/cooleshow/biz/dal/service/impl/TeacherServiceImpl.java

@@ -364,6 +364,11 @@ public class TeacherServiceImpl extends ServiceImpl<TeacherDao, Teacher> impleme
             sysUser = insertSysUser(teacherSubmitReq);
             teacherSubmitReq.setUserId(sysUser.getId());
         } else {
+            String userType = sysUser.getUserType();
+            List<String> userTypes = Arrays.stream(userType.split(",")).collect(Collectors.toList());
+            if (userTypes.contains(ClientEnum.TEACHER.getCode())) {
+                throw new BizException("该手机号已经注册老师账号");
+            }
             teacherSubmitReq.setUserId(sysUser.getId());
             updateSysUser(teacherSubmitReq);
         }