app，蚁群鉴权接口调整

tz-module-system/tz-module-system-biz/src/main/java/cn/start/tz/module/system/service/auth/AdminAuthServiceImpl.java

@@ -426,7 +426,7 @@ public class AdminAuthServiceImpl implements AdminAuthService {
 
         log.info("获取到的蚁群用户选项：id={}, username={}, deptId={}, employeeNo={}",
                 user.getId(), user.getUsername(), user.getDeptId(), user.getEmployeeNo());
-        String username = reqVO.getUsername();
+        String username = user.getUsername();
         AdminUserDO existedUser = userService.getUserByUsername(username);
         if (existedUser == null) {
             throw exception(USER_NOT_EXISTS);