fix(系统设置): 用户创建存在重复邮箱时报错处理

backend/services/system-setting/src/main/java/io/metersphere/system/service/SimpleUserService.java

@@ -126,6 +126,7 @@ public class SimpleUserService {
         Map<String, String> errorEmails = this.validateUserInfo(userCreateDTO.getUserInfoList().stream().map(UserCreateInfo::getEmail).toList());
         if (MapUtils.isNotEmpty(errorEmails)) {
             response.setErrorEmails(errorEmails);
+            throw new MSException(SystemResultCode.INVITE_EMAIL_EXIST, JSON.toJSONString(errorEmails.keySet()));
         } else {
             response.setSuccessList(this.saveUserAndRole(userCreateDTO, source, operator, "/system/user/addUser"));
         }