diff --git a/back/volume/src/chat/chat.controller.ts b/back/volume/src/chat/chat.controller.ts
index e13aca0..accdd58 100644
--- a/back/volume/src/chat/chat.controller.ts
+++ b/back/volume/src/chat/chat.controller.ts
@@ -29,6 +29,24 @@ export class ChatController {
     private readonly usersService: UsersService
   ) {}
 
+   @Post(':id/invite')
+  async addUser (@Param('id') id: number, @Body() userId: number) {
+    const channel = await this.channelService.getChannel(id)
+    const user: User | null = await this.usersService.findUser(userId)
+    if (user == null) throw new NotFoundException(`User #${userId} not found`)
+    channel.users.push(user)
+    this.channelService.update(channel)
+  }
+
+  @Delete(':id/kick')
+  async removeUser (@Param('id') id: number, @Body() userId: number) {
+    const channel = await this.channelService.getChannel(id)
+    channel.users = channel.admins.filter((usr: User) => {
+      return usr.ftId !== userId
+    })
+    this.channelService.update(channel)
+  }
+
   @Post(':id/admin')
   async addAdmin (@Param('id') id: number, @Body() userId: number) {
     const channel = await this.channelService.getChannel(id)
@@ -76,7 +94,10 @@ export class ChatController {
 
   @Delete(':id')
   @UseGuards(AuthenticatedGuard)
-  async deleteChannel (@Profile42() profile: Profile, @Param('id') id: number) {
+  async deleteChannel (
+    @Profile42() profile: Profile,
+    @Param('id') id: number
+  ) {
     if (await this.channelService.isOwner(id, +profile.id)) {
       await this.channelService.removeChannel(id)
       return
@@ -84,10 +105,25 @@ export class ChatController {
     throw new BadRequestException('You are not the owner of this channel')
   }
 
+  @Post(':id/password')
+  @UseGuards(AuthenticatedGuard)
+  async updatePassword (
+    @Profile42() profile: Profile,
+    @Param('id') id: number,
+    @Body() password: string
+  ) {
+    if (await this.channelService.isOwner(id, +profile.id)) {
+      await this.channelService.updatePassword(id, password)
+      return
+    }
+    throw new BadRequestException('You are not the owner of this channel')
+  }
+  
+
   @Get()
   @UseGuards(AuthenticatedGuard)
   async getChannelsForUser (@Profile42() profile: Profile): Promise<Channel[]> {
-    return await this.channelService.getChannelsForUser(profile.id)
+    return await this.channelService.getChannelsForUser(+profile.id)
   }
 
   @Post()
diff --git a/back/volume/src/chat/chat.service.ts b/back/volume/src/chat/chat.service.ts
index 0b50500..29eea35 100644
--- a/back/volume/src/chat/chat.service.ts
+++ b/back/volume/src/chat/chat.service.ts
@@ -19,9 +19,8 @@ export class ChannelService {
 
   async createChannel (channel: CreateChannelDto): Promise<Channel> {
     const user: User | null = await this.usersService.findUser(channel.owner)
-    if (user == null) {
+    if (user == null) 
       throw new NotFoundException(`User #${channel.owner} not found`)
-    }
     const newChannel = new Channel()
     newChannel.owner = user
     newChannel.users = [user]
@@ -32,6 +31,13 @@ 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 #${id} not found`) }
+    channel.password = password
+    await this.ChannelRepository.save(channel)
+  }
+
   async getChannelsForUser (ftId: number): Promise<Channel[]> {
     let rooms: Channel[] = []
     rooms = [
@@ -76,8 +82,7 @@ export class ChannelService {
       relations: { owner: true }
     })
     if (channel == null) { throw new NotFoundException(`Channel #${id} not found`) }
-    console.log(channel.owner.ftId, userId)
-    return channel.owner.ftId == userId
+    return channel.owner.ftId === userId
   }
 
   async isAdmin (id: number, userId: number): Promise<boolean> {
@@ -86,7 +91,7 @@ export class ChannelService {
       relations: { admins: true }
     })
     if (channel == null) { throw new NotFoundException(`Channel #${id} not found`) }
-    return channel.admins.findIndex((user) => user.ftId == userId) != -1
+    return channel.admins.findIndex((user) => user.ftId === userId) != -1
   }
 
   async isUser (id: number, userId: number): Promise<boolean> {
@@ -95,7 +100,7 @@ export class ChannelService {
       relations: { users: true }
     })
     if (channel == null) { throw new NotFoundException(`Channel #${id} not found`) }
-    return channel.users.findIndex((user) => user.ftId == userId) != -1
+    return channel.users.findIndex((user) => user.ftId === userId) != -1
   }
 
   async isBanned (id: number, userId: number): Promise<boolean> {
@@ -104,7 +109,7 @@ export class ChannelService {
       relations: { banned: true }
     })
     if (channel == null) { throw new NotFoundException(`Channel #${id} not found`) }
-    return channel.banned.findIndex((user) => user.ftId == userId) != -1
+    return channel.banned.findIndex((user) => user.ftId === userId) != -1
   }
 
   async isMuted (id: number, userId: number): Promise<boolean> {
@@ -113,6 +118,6 @@ export class ChannelService {
       relations: { muted: true }
     })
     if (channel == null) { throw new NotFoundException(`Channel #${id} not found`) }
-    return channel.muted.findIndex((user) => user.ftId == userId) != -1
+    return channel.muted.findIndex((user) => user.ftId === userId) != -1
   }
 }
diff --git a/back/volume/src/users/users.controller.ts b/back/volume/src/users/users.controller.ts
index 6673313..a4b04a5 100644
--- a/back/volume/src/users/users.controller.ts
+++ b/back/volume/src/users/users.controller.ts
@@ -31,9 +31,11 @@ import { type Request, Response } from 'express'
 import { createReadStream } from 'fs'
 import { join } from 'path'
 
-@Controller('users')
+@Controller("users")
 export class UsersController {
-  constructor (private readonly usersService: UsersService) {}
+  constructor (
+    private readonly usersService: UsersService,
+  ) {}
 
   @Get('all')
   async getAllUsers (): Promise<User[]> {
@@ -68,7 +70,6 @@ export class UsersController {
   async getRank (@Param('id', ParseIntPipe) id: number): Promise<number> {
     return await this.usersService.getRank(id)
   }
-
   @Post('avatar')
   @UseGuards(AuthenticatedGuard)
   @Redirect('http://localhost')
@@ -118,7 +119,7 @@ export class UsersController {
   @Get('invit/:username')
   @UseGuards(AuthenticatedGuard)
   async invitUser (
-    @Profile42() profile: Profile,
+      @Profile42() profile: Profile,
       @Param('username') username: string
   ): Promise<void> {
     const target: User | null = await this.usersService.findUserByName(
@@ -127,7 +128,7 @@ export class UsersController {
     if (target === null) {
       throw new BadRequestException(`User ${username} not found.`)
     }
-    if (profile.id === target.ftId) {
+    if (+profile.id === +target.ftId) {
       throw new BadRequestException("You can't invite yourself.")
     }
     const ret: string = await this.usersService.invit(profile.id, target.ftId)
diff --git a/front/volume/src/components/Profile.svelte b/front/volume/src/components/Profile.svelte
index 4af3aeb..8a9a71b 100644
--- a/front/volume/src/components/Profile.svelte
+++ b/front/volume/src/components/Profile.svelte
@@ -68,7 +68,7 @@
   <div class="profile" on:click|stopPropagation on:keydown|stopPropagation>
     <h3>===| <mark>{user.username}'s Profile</mark> |===</h3>
     <div class="profile-header">
-      {#if edit}
+      {#if !edit}
         <img src={API_URL + "/users/avatar"} alt="avatar" class="profile-img" />
       {:else}
         <form