diff --git a/models/Invite.js b/models/Invite.js
index a49c264ba83c345a06cd6e0000f425d354a411e2..4eaa66ae9df42413aab2027b589191f8c25ab16b 100644
--- a/models/Invite.js
+++ b/models/Invite.js
@@ -1,8 +1,6 @@
-// models/Invite.js
+// models/invite.js
 const { DataTypes } = require('sequelize');
 const sequelize = require('../config/sequelize');
-const User = require('./User');
-const Meeting = require('./Meeting');
 
 const Invite = sequelize.define('Invite', {
     status: {
@@ -25,13 +23,6 @@ const Invite = sequelize.define('Invite', {
     ]
 });
 
-// 愿�怨� �ㅼ젙
-// Invite.belongsTo(Meeting, { foreignKey: 'meeting_id', as: 'meeting' });
-// Invite.belongsTo(User, { foreignKey: 'inviter_id', as: 'inviter' }); // 珥덈��� �ъ슜��
-// Invite.belongsTo(User, { foreignKey: 'invitee_id', as: 'invitee' }); // 珥덈�諛쏆� �ъ슜��
 
-// User.hasMany(Invite, { foreignKey: 'inviter_id', as: 'sentInvites' }); // 蹂대궦 珥덈� 紐⑸줉
-// User.hasMany(Invite, { foreignKey: 'invitee_id', as: 'receivedInvites' }); // 諛쏆� 珥덈� 紐⑸줉
-// Meeting.hasMany(Invite, { foreignKey: 'meeting_id', as: 'invites' }); // �대떦 誘명똿�� 紐⑤뱺 珥덈�
 
 module.exports = Invite;
\ No newline at end of file
diff --git a/models/index.js b/models/index.js
index a5096e08312b924c758f95b6b15ba077021696c6..2998026a2b9ad6d4f59a58d48c0eca3b23229c43 100644
--- a/models/index.js
+++ b/models/index.js
@@ -2,12 +2,12 @@
 
 const sequelize = require('../config/sequelize');
 const User = require('./user');
-const Schedule = require('./Schedule');
-const Meeting = require('./Meeting');
-const Friend = require('./Friend');
+const Schedule = require('./schedule');
+const Meeting = require('./meeting');
+const Friend = require('./friend');
 const FcmToken = require('./fcmToken');
-const Invite =require('./Invite')
-const MeetingParticipant = require('./MeetingParticipant');
+const Invite =require('./invite')
+const MeetingParticipant = require('./meetingParticipant');
 // const ChatRooms = require('./ChatRooms');
 
 // 愿�怨� �ㅼ젙
@@ -29,9 +29,6 @@ User.hasMany(MeetingParticipant, { foreignKey: 'user_id', as: 'meetingParticipat
 Schedule.belongsTo(User, { foreignKey: 'user_id', as: 'user' });
 User.hasMany(Schedule, { foreignKey: 'user_id', as: 'schedules' });
 
-FcmToken.belongsTo(User, { foreignKey: 'userId', as: 'user' });
-User.hasMany(FcmToken, { foreignKey: 'userId', as: 'fcmTokenList' });
-
 Invite.belongsTo(Meeting, { foreignKey: 'meeting_id', as: 'meeting' });
 Invite.belongsTo(User, { foreignKey: 'inviter_id', as: 'inviter' }); // 珥덈��� �ъ슜��
 Invite.belongsTo(User, { foreignKey: 'invitee_id', as: 'invitee' }); // 珥덈�諛쏆� �ъ슜��
diff --git a/models/meeting.js b/models/meeting.js
index 9946d1e2c6e9c0fef889c0e848e6be5a1fe4b55d..8eecaabc74644fdc133dd0e35a1e9d8084fd0314 100644
--- a/models/meeting.js
+++ b/models/meeting.js
@@ -1,7 +1,7 @@
 // models/Meeting.js
 const { DataTypes } = require('sequelize');
 const sequelize = require('../config/sequelize');
-const User = require('./User');
+const User = require('./user');
 
 const Meeting = sequelize.define('Meeting', {
     title: {
diff --git a/services/meetingService.test.js b/services/meetingService.test.js
index 0ba48c6252b827a13df842d75f5b5a6de40c8a0d..f0711a930379bbc4e2e5a4e7f3f561553a08d5e2 100644
--- a/services/meetingService.test.js
+++ b/services/meetingService.test.js
@@ -4,7 +4,7 @@ const { Op } = require('sequelize');
 const { Meeting, MeetingParticipant, User, Schedule } = require('../models');
 const MeetingService = require('../services/meetingService');
 const ScheduleService = require('../services/scheduleService');
-const ChatRooms = require('../models/ChatRooms');
+const ChatRooms = require('../models/chatRooms');
 const CreateMeetingRequestDTO = require('../dtos/CreateMeetingRequestDTO');
 const MeetingResponseDTO = require('../dtos/MeetingResponseDTO');
 const MeetingDetailResponseDTO = require('../dtos/MeetingDetailResponseDTO');
diff --git a/services/memberService.js b/services/memberService.js
index fceb6b0f7e52c1b640f5b7a20c5afb4f0269e35a..0435672d90a949dd46dcb7bad1de73d7fe764f69 100644
--- a/services/memberService.js
+++ b/services/memberService.js
@@ -1,6 +1,6 @@
-const User = require('../models/User');
+const User = require('../models/user');
 const FcmToken = require('../models/fcmToken');
-const ChatRooms = require('../schemas/ChatRooms');
+const ChatRooms = require('../schemas/chatRooms');
 
 class MemberService {
   async registerToken(email, fcmToken) {
diff --git a/services/scheduleService.js b/services/scheduleService.js
index f827c219f8ed4bea2447a48ecab7d9ea00233b1d..e664a4909abfbca48cbb533bcbcf67f77152382d 100644
--- a/services/scheduleService.js
+++ b/services/scheduleService.js
@@ -1,7 +1,7 @@
 // services/scheduleService.js
 const sequelize = require('../config/sequelize');
 const { Op } = require('sequelize');
-const Schedule = require('../models/Schedule');
+const Schedule = require('../models/schedule');
 const ScheduleResponseDTO = require('../dtos/ScheduleResponseDTO');
 
 class ScheduleService {