diff --git a/back/volume/src/chat/chat.controller.ts b/back/volume/src/chat/chat.controller.ts
index a8e760b..ba39ccf 100644
--- a/back/volume/src/chat/chat.controller.ts
+++ b/back/volume/src/chat/chat.controller.ts
@@ -44,26 +44,15 @@ export class ChatController {
     }
     const dms = channels.filter((channel: Channel) => {
       return (
-        (channel.name === user.ftId + '&' + other.ftId ||
-          channel.name === other.ftId + '&' + user.ftId) &&
-        channel.isPrivate &&
-        (channel.password === undefined || channel.password === '')
+        (channel.name === `${user.ftId}&${other.ftId}` ||
+          channel.name === `${other.ftId}&${user.ftId}`) &&
+        (channel.password === undefined || channel.password === '') &&
+        channel.isPrivate
       )
     })
-	if (dms && dms.length === 0) {
-	  throw new BadRequestException('No DMS found')
-	}
-	dms.forEach((c) => {
-	  if (c.users) {
-      	c.users.forEach((u) => (u.socketKey = ''))
-	  }
-	  if (c.admins) {
-      	c.admins.forEach((u) => (u.socketKey = ''))
-	  }
-	  if (c.owner) {
-	    c.owner.socketKey = ''
-	  }
-    })
+    if (dms.length === 0) {
+      throw new BadRequestException('No DMS found')
+    }
     return dms
   }
 
diff --git a/back/volume/src/chat/chat.gateway.ts b/back/volume/src/chat/chat.gateway.ts
index b4b5454..94534be 100644
--- a/back/volume/src/chat/chat.gateway.ts
+++ b/back/volume/src/chat/chat.gateway.ts
@@ -106,7 +106,7 @@ export class ChatGateway implements OnGatewayConnection, OnGatewayDisconnect {
     const channel = await this.chatService.getFullChannel(msg.chan)
     if (
       channel.owner.id !== msg.from &&
-      channel.admins.find((e) => e.id == msg.from) == null
+      channel.admins.findIndex((usr) => usr.id === msg.from) === -1
     ) {
       throw new WsException('You do not have the required privileges')
     }
diff --git a/back/volume/src/chat/chat.service.ts b/back/volume/src/chat/chat.service.ts
index d2d9a26..479abea 100644
--- a/back/volume/src/chat/chat.service.ts
+++ b/back/volume/src/chat/chat.service.ts
@@ -125,13 +125,14 @@ export class ChatService {
       channel.banned = channel.banned.filter((data) => {
         return Date.now() - data[1] > 0
       })
-      void this.update( channel)
+      void this.update(channel)
     }
   }
 
   async addUserToChannel (channel: Channel, user: User): Promise<Channel> {
     channel.users.push(user)
-    return await this.ChannelRepository.save(channel)
+    await this.save(channel)
+    return channel
   }
 
   async getChannel (id: number): Promise<Channel> {
diff --git a/back/volume/src/chat/message.service.ts b/back/volume/src/chat/message.service.ts
index ad3d81f..c2d5661 100644
--- a/back/volume/src/chat/message.service.ts
+++ b/back/volume/src/chat/message.service.ts
@@ -22,7 +22,8 @@ export class MessageService {
     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.author = await this.usersService.findUser(message.UserId)
+    msg.author.socketKey = ''
     return await this.MessageRepository.save(msg)
   }
 
@@ -30,15 +31,16 @@ export class MessageService {
     channel: Channel,
     user: User
   ): Promise<Message[]> {
-    console.log('findMessagesInChannelForUser', channel.id, user.ftId)
     const blockeds = user.blocked.map((u) => +u.ftId)
-    console.log(JSON.stringify(blockeds))
     const messages = await this.MessageRepository.createQueryBuilder('message')
       .innerJoin('message.channel', 'channel')
       .where('channel.id = :chanId', { chanId: channel.id })
       .leftJoinAndSelect('message.author', 'author')
       .orderBy('message.created_at', 'ASC')
       .getMany()
+    messages.forEach((msg) => {
+      msg.author.socketKey = ''
+    })
     return messages.filter((m) => !blockeds.includes(m.author.ftId))
   }
 }
diff --git a/back/volume/src/users/users.service.ts b/back/volume/src/users/users.service.ts
index 2edf18e..f17fa53 100644
--- a/back/volume/src/users/users.service.ts
+++ b/back/volume/src/users/users.service.ts
@@ -19,12 +19,18 @@ export class UsersService {
     await this.usersRepository.save(user)
   }
 
+  async update (user: User, changes: UserDto): Promise<void> {
+    this.usersRepository.update({id: user.id}, changes)
+  }
+
   async findUsers (): Promise<User[]> {
     const users = await this.usersRepository.find({})
     users.forEach((usr) => (usr.socketKey = ''))
     return users
   }
 
+  // WARNING: socketKey isn't removed here. it must be done before
+  // any return from it in a route.
   async findUserByName (username: string): Promise<User> {
     const user = await this.usersRepository.findOne({
       where: { username },
@@ -41,7 +47,7 @@ export class UsersService {
       if (Date.now() - usr.lastAccess > 60000) {
         usr.isVerified = false
         usr.status = 'offline'
-        this.usersRepository.save(usr).catch((err) => {
+        this.update(usr, usr).catch((err) => {
           console.log(err)
         })
       }
@@ -49,12 +55,12 @@ export class UsersService {
     await this.getLeaderboard()
   }
 
-  async findUser (ftId: number): Promise<User | null> {
+  async findUser (ftId: number): Promise<User> {
     const user = await this.usersRepository.findOneBy({ ftId })
-    if (user == null) return null
+    if (user == null) throw new BadRequestException("User not exist")
     user.lastAccess = Date.now()
     if (user.status === 'offline') user.status = 'online'
-    await this.usersRepository.save(user)
+    await this.update.(user)
     return user
   }
 
@@ -94,11 +100,6 @@ export class UsersService {
       .getMany()
   }
 
-  async update (user: User, changes: UserDto): Promise<User | null> {
-    this.usersRepository.merge(user, changes)
-    return await this.usersRepository.save(user)
-  }
-
   async addAvatar (ftId: number, filename: string): Promise<void> {
     await this.usersRepository.update({ ftId }, { avatar: filename })
   }
diff --git a/front/volume/src/App.svelte b/front/volume/src/App.svelte
index 8ab0fa2..99a9e47 100644
--- a/front/volume/src/App.svelte
+++ b/front/volume/src/App.svelte
@@ -214,9 +214,8 @@
       {clickChannels}
       {clickLeaderboard}
     />
-    {#if appState.includes(APPSTATE.CHANNELS)}
+    {#if appState.includes(`${APPSTATE.CHANNELS}#`)}
       <div
-        class="{appState.replace(APPSTATE.CHANNELS, "") === "" ? 'hidden' : ''}"
         on:click={() => setAppState(APPSTATE.CHANNELS)}
         on:keydown={() => setAppState(APPSTATE.CHANNELS)}
       >
@@ -228,8 +227,10 @@
           on:send-message={openDirectChat}
         />
       </div>
+    {/if}
+    {#if appState.includes(APPSTATE.CHANNELS)}
       <div
-        class="{appState.replace(APPSTATE.CHANNELS, "") !== "" ? 'hidden' : ''}"
+        class="{appState !== APPSTATE.CHANNELS ? 'hidden' : ''}"
         on:click={resetAppState}
         on:keydown={resetAppState}
       >
diff --git a/front/volume/src/components/Channels.svelte b/front/volume/src/components/Channels.svelte
index 974f138..470fbf9 100644
--- a/front/volume/src/components/Channels.svelte
+++ b/front/volume/src/components/Channels.svelte
@@ -70,6 +70,7 @@
     socket.emit("joinChannel", {
       UserId: $store.ftId,
       ChannelId: id,
+      
     });
   };
 
@@ -95,6 +96,8 @@
   export let onSelectChannel: (channel: ChannelsType) => void;
   export const selectChat = (id: number) => {
     console.log("channel: ", id)
+    
+    popup.set(bind(Alert, {message:"Did not find channel"}))
     getChannels().then(() => {
       const channel = channels.find((c) => c.id === id);
       if (channel) {
diff --git a/front/volume/src/components/Chat.svelte b/front/volume/src/components/Chat.svelte
index 5a476e1..30fb69e 100644
--- a/front/volume/src/components/Chat.svelte
+++ b/front/volume/src/components/Chat.svelte
@@ -25,7 +25,7 @@
     getMembers();
     usersInterval = setInterval(async () => {
       getMembers();
-    }, 1000);
+    }, 5000);
   });
 
   socket.on("messages", (msgs: Array<chatMessagesType>) => {