diff --git a/back/volume/src/chat/chat.controller.ts b/back/volume/src/chat/chat.controller.ts
index f43d86e..a774a0e 100644
--- a/back/volume/src/chat/chat.controller.ts
+++ b/back/volume/src/chat/chat.controller.ts
@@ -6,13 +6,12 @@ import {
   Get,
   NotFoundException,
   Param,
-  ParseIntPipe,
   Post,
   UseGuards
 } from '@nestjs/common'
 import { AuthenticatedGuard } from 'src/auth/42-auth.guard'
 import { UsersService } from 'src/users/users.service'
-import { ChannelService } from './chat.service'
+import { ChatService } from './chat.service'
 
 import { CreateChannelDto } from './dto/create-channel.dto'
 import { IdDto, PasswordDto, MuteDto } from './dto/updateUser.dto'
@@ -25,7 +24,7 @@ import { Profile } from 'passport-42'
 @Controller('channels')
 export class ChatController {
   constructor (
-    private readonly channelService: ChannelService,
+    private readonly channelService: ChatService,
     private readonly usersService: UsersService
   ) {}
 
@@ -135,7 +134,8 @@ export class ChatController {
       throw new BadRequestException('You cannot mute the owner of the channel')
     if (await this.channelService.getMuteDuration(channel.id, mute.data[0]) > 0)
       throw new BadRequestException('User is already muted from this channel')
-    channel.muted.push(mute.data)
+    let newMute: Array<number> = [mute.data[0], Date.now() + mute.data[1] * 1000]
+    channel.muted.push(newMute)
     this.channelService.save(channel)
   }
 
diff --git a/back/volume/src/chat/chat.gateway.ts b/back/volume/src/chat/chat.gateway.ts
index 3e54192..8128b2f 100644
--- a/back/volume/src/chat/chat.gateway.ts
+++ b/back/volume/src/chat/chat.gateway.ts
@@ -1,22 +1,25 @@
-/*
-import { UnauthorizedException, UseGuards } from '@nestjs/common'
 import {
   type OnGatewayConnection,
   type OnGatewayDisconnect,
-  MessageBody,
   SubscribeMessage,
   WebSocketGateway,
-  WebSocketServer
+  WebSocketServer,
+  WsException
 } from '@nestjs/websockets'
 import { Socket, Server } from 'socket.io'
-
+// import { User } from 'users/user.entity';
+import { UsersService } from 'src/users/users.service'
+import { BadRequestException } from '@nestjs/common'
 import { ChatService } from './chat.service'
+import  Message  from './entity/message.entity'
+import * as bcrypt from 'bcrypt'
+import { MessageService } from './message.service'
 import { type User } from 'src/users/entity/user.entity'
-import { UsersService } from 'src/users/users.service'
-import { Channel } from './entity/channel.entity'
-import { Message } from './entity/message.entity'
-
-import { CreateChannelDto } from './dto/createChannel.dto'
+import { CreateMessageDto } from './dto/create-message.dto'
+import { InjectRepository } from '@nestjs/typeorm'
+import { Repository } from 'typeorm'
+import ConnectedUser from './entity/connection.entity'
+import { ConnectionDto } from './dto/connection.dto'
 
 @WebSocketGateway({
   cors: { origin: /^(http|ws):\/\/localhost(:\d+)?$/ }
@@ -27,77 +30,89 @@ export class ChatGateway implements OnGatewayConnection, OnGatewayDisconnect {
 
   constructor (
     private readonly userService: UsersService,
-    private readonly chatService: ChatService
-  ) {}
-
-  async handleConnection (socket: Socket) {
-    try {
-      const user: User | null = await this.userService.findUser(
-        socket.data.user.ftId
-      )
-      if (user == null) {
-        socket.emit('Error', new UnauthorizedException())
-        // socket.disconnect();
-        return
-      } else {
-        socket.data.user = user
-        const channels = await this.chatService.getChannelsForUser(user.id)
-        // Only emit rooms to the specific connected client
-        return this.server.to(socket.id).emit('channel', channels)
-      }
-    } catch {
-      socket.emit('Error', new UnauthorizedException())
-      // socket.disconnect();
-    }
+    private readonly messageService: MessageService,
+    private readonly chatService: ChatService,
+    @InjectRepository(ConnectedUser)
+    private readonly connectedUserRepository: Repository<ConnectedUser>
+  ) {
   }
 
-  handleDisconnect (socket: Socket) {
-    // socket.disconnect()
+  async handleConnection (socket: Socket): Promise<void> {
+    // console.log(socket.handshake.headers)
+    // const cookie = socket.handshake.headers.cookie as string
+    // const { authentication: authenticationToken } = parse(cookie)
+    // console.log(authenticationToken)
+    // const user = await this.userService.find(authenticationToken)
+    // if (!user) {
+    //   this.handleDisconnect(socket)
+    //   throw new WsException('Invalid credentials.')
+    // }
+    // return user
   }
 
-  @SubscribeMessage('createChannel')
-  async onCreateChannel (
-    socket: Socket,
-    @MessageBody() channeldto: CreateChannelDto
-  ): Promise<Channel | null> {
-    const channel = new Channel()
-    channel.name = channeldto.name
-    // const owner = await this.userService.findUser(channeldto.owner)
-    // if (owner == null) return null
-    // channel.owners.push(owner)
-    channel.password = channeldto.password
-    /// ...///
-    return await this.chatService.createChannel(channel, socket.data.user)
+  handleDisconnect (socket: Socket): void {
+    socket.disconnect()
   }
 
   @SubscribeMessage('joinChannel')
-  async onJoinChannel (socket: Socket, channel: Channel) {
-    // add user to channel
-    const messages = await this.chatService.findMessagesInChannelForUser(
+  async onJoinChannel (socket: Socket, connect: ConnectionDto): Promise<void> {
+    const channel = await this.chatService.getChannel(connect.ChannelId)
+    if (channel.banned.find((e) => e.id == connect.UserId) != null) {
+      throw new WsException('You are banned from entering this channel')
+    }
+    const user = (await this.userService.findUser(connect.UserId)) as User
+    if (
+      channel.users.find((e) => e.id === user.id) == null &&
+      channel.password !== ''
+    ) {
+      if (!(await bcrypt.compare(channel.password, connect.pwd))) {
+        throw new BadRequestException()
+      }
+    } else await this.chatService.addUserToChannel(channel, user)
+    // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~//
+    {
+      const conUser = new ConnectedUser()
+      conUser.user = user
+      conUser.channel = channel
+      conUser.socket = socket.id
+      await this.connectedUserRepository.save(conUser)
+    }
+    const messages = await this.messageService.findMessagesInChannelForUser(
       channel,
-      socket.data.user
+      user
     )
     this.server.to(socket.id).emit('messages', messages)
+    await socket.join(channel.name)
   }
 
   @SubscribeMessage('leaveChannel')
-  async onLeaveChannel (socket: Socket) {
-    await this.chatService.deleteBySocketId(socket.id)
+  async onLeaveChannel (socket: Socket): Promise<void> {
+    const id = socket.id as any
+    await this.connectedUserRepository.delete({ socket: id })
+    socket.disconnect()
   }
 
   @SubscribeMessage('addMessage')
-  async onAddMessage (socket: Socket, message: Message) {
-    const createdMessage: Message = await this.chatService.createMessage({
-      ...message,
-      author: socket.data.user
-    })
-    const channel = await this.chatService.getChannel(
-      createdMessage.channel.id
+  async onAddMessage (socket: Socket, message: CreateMessageDto): Promise<void> {
+    const channel = await this.chatService.getChannel(message.ChannelId)
+    if (await this.chatService.getMuteDuration(channel.id, message.UserId) > 0) {
+      throw new WsException('You are muted')
+    }
+    const createdMessage: Message = await this.messageService.createMessage(
+      message
     )
-    if (channel != null) {
-      const users = await this.userService.findOnlineInChannel(channel)
+    socket.in(channel.name).emit('newMessage', createdMessage)
+  }
+
+  @SubscribeMessage('kickUser')
+  async onKickUser (socket: Socket, chan: number, from: number, to: number): Promise<void> {
+    const channel = await this.chatService.getChannel(chan)
+    if (
+      channel.owner.id !== from ||
+      channel.admins.find((e) => e.id === from) == null
+    ) {
+      throw new WsException('You do not have the required privileges')
     }
-    /// TODO:  Send message to users
+    await this.onLeaveChannel(socket)
   }
 }
-*/
diff --git a/back/volume/src/chat/chat.module.ts b/back/volume/src/chat/chat.module.ts
index 8fcaa1f..a64dbdf 100644
--- a/back/volume/src/chat/chat.module.ts
+++ b/back/volume/src/chat/chat.module.ts
@@ -1,23 +1,26 @@
-import { Module } from '@nestjs/common'
+import { forwardRef, Module } from '@nestjs/common'
 import { TypeOrmModule } from '@nestjs/typeorm'
 
 import { AuthModule } from 'src/auth/auth.module'
 import { UsersModule } from 'src/users/users.module'
-// import { ChatGateway } from './chat.gateway'
+import { ChatGateway } from './chat.gateway'
 import { ChatController } from './chat.controller'
-import { ChannelService } from './chat.service'
+import { ChatService } from './chat.service'
+import { MessageService } from './message.service'
 
 import Channel from './entity/channel.entity'
 import Message from './entity/message.entity'
+import ConnectedUser from './entity/connection.entity'
 
 @Module({
   imports: [
-    AuthModule,
     UsersModule,
-    TypeOrmModule.forFeature([Channel]),
-    TypeOrmModule.forFeature([Message])
+    AuthModule,
+    TypeOrmModule.forFeature([Channel, Message, ConnectedUser]),
   ],
   controllers: [ChatController],
-  providers: [ChannelService]
+  providers: [ChatService, ChatGateway, MessageService],
+  exports: [ChatService]
+  
 })
 export class ChatModule {}
diff --git a/back/volume/src/chat/chat.service.ts b/back/volume/src/chat/chat.service.ts
index 1ee459d..3179232 100644
--- a/back/volume/src/chat/chat.service.ts
+++ b/back/volume/src/chat/chat.service.ts
@@ -1,4 +1,4 @@
-import { Injectable, NotFoundException } from '@nestjs/common'
+import { Inject, Injectable, NotFoundException } from '@nestjs/common'
 import { InjectRepository } from '@nestjs/typeorm'
 import { Repository } from 'typeorm'
 
@@ -7,9 +7,10 @@ import { UsersService } from 'src/users/users.service'
 
 import type User from 'src/users/entity/user.entity'
 import Channel from './entity/channel.entity'
+import { Cron } from '@nestjs/schedule'
 
 @Injectable()
-export class ChannelService {
+export class ChatService {
   constructor (
     @InjectRepository(Channel)
     private readonly ChannelRepository: Repository<Channel>,
@@ -30,6 +31,8 @@ export class ChannelService {
     return await this.ChannelRepository.save(newChannel)
   }
 
+
+
   async updatePassword (id: number, password: string) {
     let channel: Channel | null = await this.ChannelRepository.findOneBy({id})
     if (channel === null) { throw new NotFoundException(`Channel #${id} not found`) }
@@ -56,6 +59,15 @@ export class ChannelService {
     return rooms
   }
 
+  @Cron('*/6 * * * * *')
+  async updateMutelists(): Promise<void> {
+    let channels = await this.ChannelRepository.find({})
+    channels.forEach((channel) => {
+      channel.muted = channel.muted.filter((data) => { return (data[0] - Date.now()) > 0;});
+      this.ChannelRepository.save(channel);
+    })
+  }
+
   async addUserToChannel (channel: Channel, user: User): Promise<Channel> {
     channel.owner = user
     return await this.ChannelRepository.save(channel)
diff --git a/back/volume/src/chat/entity/channel.entity.ts b/back/volume/src/chat/entity/channel.entity.ts
index 6ab26bf..47eabfd 100644
--- a/back/volume/src/chat/entity/channel.entity.ts
+++ b/back/volume/src/chat/entity/channel.entity.ts
@@ -56,7 +56,6 @@ export default class Channel {
   @JoinTable()
     banned: User[]
 
-  @ManyToMany(() => User) // refuse post
-  @JoinTable()
-    muted: Array<Array<number>>
+  @Column('text', {array: true})
+    muted: number[][]
 }
diff --git a/back/volume/src/chat/entity/connection.entity.ts b/back/volume/src/chat/entity/connection.entity.ts
index fc949f9..270ee37 100644
--- a/back/volume/src/chat/entity/connection.entity.ts
+++ b/back/volume/src/chat/entity/connection.entity.ts
@@ -1,16 +1,17 @@
-import { Column, Entity, OneToOne } from 'typeorm'
+import { Column, Entity, JoinColumn, OneToOne, PrimaryGeneratedColumn } from 'typeorm'
 
 import Channel from './channel.entity'
 import User from 'src/users/entity/user.entity'
 
 @Entity()
-export class connectedUser {
+export default class ConnectedUser {
   @OneToOne(() => User)
     user: User
 
-  @OneToOne(() => Channel, (channel) => channel.id)
+  @OneToOne(() => Channel)
+  @JoinColumn()
     channel: Channel
 
-  @Column()
+  @PrimaryGeneratedColumn()
     socket: string
 }
diff --git a/back/volume/src/chat/message.service.ts b/back/volume/src/chat/message.service.ts
new file mode 100644
index 0000000..7d25f26
--- /dev/null
+++ b/back/volume/src/chat/message.service.ts
@@ -0,0 +1,43 @@
+import { Injectable } from '@nestjs/common';
+import { InjectRepository } from '@nestjs/typeorm';
+import { Repository } from 'typeorm';
+import { ChatService } from './chat.service';
+import { UsersService } from 'src/users/users.service';
+
+import { type CreateMessageDto } from './dto/create-message.dto';
+import User from 'src/users/entity/user.entity';
+import Channel from './entity/channel.entity';
+import Message from './entity/message.entity';
+
+@Injectable()
+export class MessageService {
+  constructor(
+    @InjectRepository(Message)
+    private readonly MessageRepository: Repository<Message>,
+    private readonly channelService: ChatService,
+    private readonly usersService: UsersService,
+  ) {}
+
+  async createMessage(message: CreateMessageDto): Promise<Message> {
+    const msg = new Message();
+    msg.text = message.text;
+    msg.channel = await this.channelService.getChannel(message.ChannelId);
+    msg.author = (await this.usersService.findUser(message.UserId)) as User;
+    msg.channel.messages.push(msg);
+    return await this.MessageRepository.save(
+      this.MessageRepository.create(msg),
+    );
+  }
+
+  async findMessagesInChannelForUser(
+    channel: Channel,
+    user: User,
+  ): Promise<Message[]> {
+    return await this.MessageRepository.createQueryBuilder('message')
+      .where('message.channel = :chan', { chan: channel })
+      .andWhere('message.author NOT IN (:...blocked)', {
+        blocked: user.blocked,
+      })
+      .getMany();
+  }
+}
diff --git a/back/volume/src/users/users.controller.ts b/back/volume/src/users/users.controller.ts
index a4b04a5..e473e10 100644
--- a/back/volume/src/users/users.controller.ts
+++ b/back/volume/src/users/users.controller.ts
@@ -65,11 +65,6 @@ export class UsersController {
     return await this.usersService.getLeaderboard()
   }
 
-  @Get(':id/rank')
-  @UseGuards(AuthenticatedGuard)
-  async getRank (@Param('id', ParseIntPipe) id: number): Promise<number> {
-    return await this.usersService.getRank(id)
-  }
   @Post('avatar')
   @UseGuards(AuthenticatedGuard)
   @Redirect('http://localhost')
diff --git a/back/volume/src/users/users.module.ts b/back/volume/src/users/users.module.ts
index f4f5190..7406029 100644
--- a/back/volume/src/users/users.module.ts
+++ b/back/volume/src/users/users.module.ts
@@ -4,9 +4,12 @@ import { User } from './entity/user.entity'
 import { UsersController } from './users.controller'
 import { UsersService } from './users.service'
 import { PongModule } from 'src/pong/pong.module'
+import { ChatModule } from 'src/chat/chat.module'
 
 @Module({
-  imports: [forwardRef(() => PongModule), TypeOrmModule.forFeature([User])],
+  imports: [
+    forwardRef(() => PongModule),
+    TypeOrmModule.forFeature([User])],
   controllers: [UsersController],
   providers: [UsersService],
   exports: [UsersService]
diff --git a/back/volume/src/users/users.service.ts b/back/volume/src/users/users.service.ts
index 858d86f..f69eec8 100644
--- a/back/volume/src/users/users.service.ts
+++ b/back/volume/src/users/users.service.ts
@@ -12,7 +12,7 @@ import User from './entity/user.entity'
 @Catch(QueryFailedError, EntityNotFoundError)
 export class UsersService {
   constructor (
-    @InjectRepository(User) private readonly usersRepository: Repository<User>
+    @InjectRepository(User) private readonly usersRepository: Repository<User>,
   ) {}
 
   async save (user: User): Promise<void> {
@@ -31,7 +31,6 @@ export class UsersService {
       relations: { results: true }
     })
     if (user == null) throw new BadRequestException('User not found.')
-    user.rank = (await this.getRank(user.ftId)) + 1;
     return user
   }
 
@@ -45,12 +44,12 @@ export class UsersService {
         this.usersRepository.save(usr).catch((err) => console.log(err))
       }
     })
+    this.getLeaderboard();
   }
 
   async findUser (ftId: number): Promise<User | null> {
     const user = await this.usersRepository.findOneBy({ ftId })
     if (user == null) return null
-    user.rank = (await this.getRank(user.ftId)) + 1;
     user.lastAccess = Date.now()
     if (user.status === 'offline') user.status = 'online'
     await this.usersRepository.save(user)
@@ -117,21 +116,17 @@ export class UsersService {
   async getLeaderboard (): Promise<User[]> {
     const leaderboard = await this.usersRepository.find({
       order: {
-        winrate: 'DESC'
+        winrate: 'ASC'
       }
     })
-    let ret = leaderboard.filter((user) => user.rank !== 0)
-    ret.forEach((follower) => follower.socketKey = '')
-    return ret
-  }
-
-  async getRank (ftId: number): Promise<number> {
-    const leaderboard = await this.usersRepository.find({
-      order: {
-        winrate: 'DESC'
-      }
+    let ret = leaderboard.filter((user) => user.matchs !== 0)
+    let r = 0
+    ret.forEach((usr) => {
+    usr.rank = r++
+    this.usersRepository.save(usr)
+    usr.socketKey = ''
     })
-    return leaderboard.findIndex((user) => user.ftId === ftId)
+    return ret
   }
 
   async invit (ftId: number, targetFtId: number): Promise<string> {