diff --git a/.gitignore b/.gitignore
index aa30ef4..d40a592 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,3 +8,4 @@
 /.env
 *.exe
 /venv/
+/fun_and_admin_bot.egg-info/
diff --git a/bot.py b/bot.py
index 63e9561..33bec18 100755
--- a/bot.py
+++ b/bot.py
@@ -1,12 +1,13 @@
 #!/usr/bin/env python3
 import asyncio
 import os
+from typing import List
 
 import disnake
 from disnake import OptionChoice, OptionType, Option
 from disnake.ext import commands
 from __init__ import version_info as ver
-from lib import work_with_cogs
+from lib import work_with_cogs, cog_list
 from lib import preload_checks, determine_prefix
 from lib import logger
 
@@ -27,7 +28,7 @@ bot = commands.Bot(command_prefix=determine_prefix,
                    )
 
 
-asyncio.run(work_with_cogs('load', bot))
+asyncio.run(work_with_cogs('load', bot, cog_list()))
 
 
 @bot.event
@@ -51,19 +52,34 @@ async def on_ready():
                 OptionChoice("unload", "unload"),
                 OptionChoice("reload", "reload")
             ]
+        ),
+        Option(
+            'cog',
+            description="specify cog",
+            type=OptionType.string
         )
     ]
 )
 @commands.is_owner()
-async def slash_cogs(inter, what_do):
-    await work_with_cogs(what_do, bot)
+async def slash_cogs(inter, what_do, cog: str = cog_list()) -> None:
+    print(type(inter.guild.text_channels))
+    await work_with_cogs(what_do, bot, cog)
     await inter.response.send_message(f'Cogs are {what_do}ed', ephemeral=True)
 
 
+@slash_cogs.autocomplete('cog')
+async def _cog_opt(inter: disnake.ApplicationCommandInteraction, current: str) -> List[OptionChoice]:
+    _list = cog_list()
+    return [
+        OptionChoice(name=choice, value=choice)
+        for choice in _list if current.lower() in choice.lower()
+    ]
+
+
 @slash_cogs.error
 async def cogs_error(inter, what_do):
-    await inter.response.send_message(f'{what_do}', ephemeral=True)
-    logger.error(f'User {inter.author} tries to use cogs func')
+    await inter.response.send_message(f'Error', ephemeral=True)
+    logger.error(f'User {inter.author} tries to use cogs func\n{what_do}\n')
 
 
 bot.run(os.getenv('TOKEN'))
diff --git a/cogs/admin.py b/cogs/admin.py
index 89b4682..1e73b76 100644
--- a/cogs/admin.py
+++ b/cogs/admin.py
@@ -1,7 +1,8 @@
 from asyncio import sleep
+from typing import List
 
 import disnake
-from disnake import Option, OptionType
+from disnake import Option, OptionType, OptionChoice
 
 from disnake.ext import commands, tasks
 
@@ -76,7 +77,7 @@ class Admin(commands.Cog, name='Admin'):
     @commands.has_permissions(administrator=True)
     async def set_guest_role(self, inter, role):
         await write_json(inter.guild.id, "guest_role", role.id)
-        await inter.response.send_message(f"Setted up dsss bot role to: `{role.name}`", ephemeral=True)
+        await inter.response.send_message(f"Set up bot role to: `{role.name}`", ephemeral=True)
 
     @commands.command(name="set_prefix")
     @commands.has_permissions(administrator=True)
@@ -121,7 +122,7 @@ class Admin(commands.Cog, name='Admin'):
     @commands.has_permissions(administrator=True)
     async def set_bot_role(self, ctx, role):
         await write_json(ctx.guild.id, "bot_role", role.id)
-        await ctx.send(f"Setted up bot role to: `{role.name}`", ephemeral=True)
+        await ctx.send(f"Set up bot role to: `{role.name}`", ephemeral=True)
 
     @set_bot_role.error
     @set_trigger_role.error
@@ -146,14 +147,27 @@ class Admin(commands.Cog, name='Admin'):
     @commands.has_permissions(administrator=True)
     @commands.slash_command(
         name="set_bot_channel",
-        description="Set channel whitch itterate with bot",
+        description="Set channel which iterate with bot",
         options=[
-            Option("channel", "specify channel", OptionType.channel, required=True),
+            Option("channel", "specify channel", OptionType.string, required=True),
         ]
     )
     async def set_bot_channel(self, inter, channel):
+        print(type(inter.guild.text_channels))
         await write_json(inter.guild.id, "channel", channel.id)
-        await inter.response.send_message(f"Channel setted up to {channel.mention}", ephemeral=True)
+        await inter.response.send_message(f"Channel set up to {channel.mention}", ephemeral=True)
+
+    @set_bot_channel.autocomplete('channel')
+    async def _list_text_channels(self,
+                                  inter: disnake.ApplicationCommandInteraction,
+                                  current: str) -> List[OptionChoice]:
+        _list = []
+        for _channel in inter.guild.text_channels:
+            _list.append(_channel)
+        return [
+            OptionChoice(name=choice, value=choice)
+            for choice in _list if current in choice
+        ]
 
 
 def setup(bot):  # an extension must have a setup function
diff --git a/cogs/audio.py b/cogs/audio.py
index 550a387..87750e0 100644
--- a/cogs/audio.py
+++ b/cogs/audio.py
@@ -1,18 +1,15 @@
 import random
 from os import path, makedirs, rename, remove
-from typing import List
 
-import disnake
-from disnake import OptionChoice, OptionType, Option
 from disnake.ext import commands
 
-from lib import logger, ListGenerator
+from lib import logger
 from lib import determine_time
 from lib import read_db, check_exist_audio, add_audio
 from lib import play_audio
 
 
-# todo: write set audio from list by slash command
+# todo: write chose audio from list by slash command
 class Audio(commands.Cog, name='Audio'):
     def __init__(self, bot):
         self.bot = bot
@@ -44,8 +41,8 @@ class Audio(commands.Cog, name='Audio'):
                 def_audio_ls = await list_files()
 
                 if def_audio_db or audio_db is not None:
-                    def_audio_db = [] if not def_audio_db else def_audio_db
-                    audio_db = [] if not audio_db else audio_db
+                    if not def_audio_db: def_audio_db = []
+                    if not audio_db: audio_db = []
                     logger.info(f'Play audio from DB')
                     full_audio = def_audio_db + audio_db
                     await play_audio(f'audio/{random.choice(full_audio)}', self.bot, after.channel)
@@ -85,6 +82,7 @@ class Audio(commands.Cog, name='Audio'):
                         file = f'tmp/{user.id}/{at.filename}'
                         duration = round(MediaInfo.parse(file).tracks[0].duration / 1000)
                         max_duration = int(determine_time(ctx))
+                        print(type(max_duration))
                         if duration > max_duration:
                             await ctx.reply(f'Audio duration is {duration}, but max is {max_duration}')
                             remove(f'tmp/{user.id}/{at.filename}')
@@ -95,13 +93,9 @@ class Audio(commands.Cog, name='Audio'):
                             else:
                                 audiolist = f'{at.filename}'
 
-                            if not await check_exist_audio(ctx.guild.id, user.id, at.filename):
-                                rename(f'tmp/{user.id}/{at.filename}', f'audio/{user.id}/{at.filename}')
-                                await add_audio(ctx.guild.id, user.id, audiolist)
-                                await ctx.reply(f'Audio {at.filename.split(".")[0]} added to db')
-                            else:
-                                await ctx.reply(f'Audio {at.filename.split(".")[0]} already in db')
-                                remove(f'tmp/{user.id}/{at.filename}')
+                            await check_exist_audio(ctx, ctx.guild.id, user.id, 'usertracks', at.filename)
+                            await add_audio(ctx.guild.id, user.id, audiolist)
+                            rename(f'tmp/{user.id}/{at.filename}', f'audio/{user.id}/{at.filename}')
                     elif guess[0].split('/')[0] != 'audio':
                         await ctx.reply(f'It not audio {at.filename}\n it`s {guess[0]}')
                         remove(f'tmp/{user.id}/{at.filename}')
@@ -110,50 +104,6 @@ class Audio(commands.Cog, name='Audio'):
         else:
             await ctx.reply(f'You`re not admin. You can add audio only for your own account')
 
-    @commands.slash_command(name="play_audio",
-                            description="Make possible playing audio by command",
-                            options=[
-                                Option(name="audio",
-                                       type=OptionType.string,
-                                       required=True
-                                       )
-                            ])
-    async def playaudio(self, inter: disnake.ApplicationCommandInteraction,
-                        audio: str
-                        ):
-        if inter.author.voice is not None:
-            await inter.response.send_message(f'Played {audio}', ephemeral=True)
-            await play_audio(audio, self.bot, inter.author.voice.channel)
-        else:
-            await inter.response.send_message('You`re not in voice', ephemeral=True)
-
-    @playaudio.autocomplete('audio')
-    async def list_to_play(self, inter: disnake.ApplicationCommandInteraction, current: str) -> List[OptionChoice]:
-        _def_iter = ListGenerator('audio')
-        _def_dict: dict = {}
-        for f in _def_iter:
-            _def_dict[f.name] = f'{f.path}/{f.name}'
-
-        _user_dict: dict = {}
-        try:
-            _user_iter = ListGenerator(f'audio/{inter.author.id}')
-            for f in _user_iter:
-                _user_dict[f.name] = f'{f.path}/{f.name}'
-
-            # user_dict = []
-            # for _track in user_list:
-
-        except IndexError:
-            pass
-
-        _dict = {}
-        _dict.update(_def_dict)
-        _dict.update(_user_dict)
-        return [
-            OptionChoice(name=choice, value=f'{_dict[choice]}')
-            for choice in _dict if current.lower() in choice.lower()
-        ]
-
 
 def setup(bot):  # an extension must have a setup function
     bot.add_cog(Audio(bot))  # adding a cog
diff --git a/cogs/general.py b/cogs/general.py
index 186df17..2c97801 100644
--- a/cogs/general.py
+++ b/cogs/general.py
@@ -28,7 +28,7 @@ class General(commands.Cog):
         user = user or inter.author
         _user = DB_Reader(inter.guild.id)
         for r in _user:
-            if r.id == user.id:
+            if r.userid == user.id:
                 user_audio = r.usertracks
                 default_audio = r.defaulttracks
 
diff --git a/cogs/test.py b/cogs/test.py
index 782c104..30374c3 100644
--- a/cogs/test.py
+++ b/cogs/test.py
@@ -1,6 +1,12 @@
+from typing import List
+
+import disnake
+from disnake import Option, OptionType, OptionChoice
 from disnake.ext import commands
 
+from lib import ListGenerator
 from lib import logger
+from lib import play_audio
 
 
 class Testing(commands.Cog, name='Testing'):
@@ -11,6 +17,51 @@ class Testing(commands.Cog, name='Testing'):
     async def on_ready(self):
         logger.info(f'Cog {__name__.split(".")[1]} is ready!.')
 
+    @commands.slash_command(name="play_audio",
+                            description="Make possible playing audio by command",
+                            options=[
+                                Option(name="audio",
+                                       type=OptionType.string,
+                                       required=True
+                                       )
+                            ])
+    async def playaudio(self, inter: disnake.ApplicationCommandInteraction,
+                        audio: str
+                        ):
+        if inter.author.voice is not None:
+            await inter.response.send_message(f'Played {audio}', ephemeral=True)
+            await play_audio(audio, self.bot, inter.author.voice.channel)
+        else:
+            await inter.response.send_message('You`re not in voice', ephemeral=True)
+
+    @playaudio.autocomplete('audio')
+    async def list_to_play(self, inter: disnake.ApplicationCommandInteraction, current: str) -> List[OptionChoice]:
+        _def_iter = ListGenerator('audio')
+        _def_dict: dict = {}
+        for f in _def_iter:
+            _def_dict[f.name] = f'{f.path}/{f.name}'
+
+        _user_dict: dict = {}
+        try:
+            _user_iter = ListGenerator(f'audio/{inter.author.id}')
+            for f in _user_iter:
+                _user_dict[f.name] = f'{f.path}/{f.name}'
+
+            # user_dict = []
+            # for _track in user_list:
+
+        except IndexError:
+            pass
+
+        _dict = {}
+        _dict.update(_def_dict)
+        _dict.update(_user_dict)
+        return [
+            OptionChoice(name=choice, value=f'{_dict[choice]}')
+            for choice in _dict if current.lower() in choice.lower()
+
+        ]
+
 
 def setup(bot):  # an extension must have a setup function
     bot.add_cog(Testing(bot))  # adding a cog
diff --git a/lib/CogsPrep.py b/lib/CogsPrep.py
index 6219367..944a44c 100644
--- a/lib/CogsPrep.py
+++ b/lib/CogsPrep.py
@@ -20,8 +20,10 @@ def cog_list():
     return cogs_list
 
 
-async def work_with_cogs(what_do, bot):
-    for _filename in cog_list():
+async def work_with_cogs(what_do, bot, cog):
+    if isinstance(cog, str):
+        cog = cog.split()
+    for _filename in cog:
         if what_do == "load":
             try:
                 bot.load_extension(f'cogs.{_filename}')
@@ -38,5 +40,7 @@ async def work_with_cogs(what_do, bot):
 
         elif what_do == 'unload':
             bot.unload_extension(f'cogs.{_filename}')
+            logger.info(f'Cog {_filename} unloaded')
         elif what_do == 'reload':
             bot.reload_extension(f'cogs.{_filename}')
+            logger.info(f'Cog {_filename} reloaded')
diff --git a/lib/Comands.py b/lib/Comands.py
index bbaa78c..fc6b020 100644
--- a/lib/Comands.py
+++ b/lib/Comands.py
@@ -20,7 +20,7 @@ def preload_checks():
 
 
 async def list_files(fold: str = 'audio'):
-    fold = f'audio/{fold}' if fold != 'audio' else fold
+    if fold != 'audio': fold = f'audio/{fold}'
     fl = []
     for filenames in os.walk(fold):
         fl.extend(filenames)
diff --git a/lib/DB_Worker.py b/lib/DB_Worker.py
index 012623f..798514e 100644
--- a/lib/DB_Worker.py
+++ b/lib/DB_Worker.py
@@ -1,5 +1,5 @@
 import sqlite3
-from typing import List
+
 
 from lib import logger
 
@@ -37,36 +37,20 @@ class _DBAttrs:
                  isbot: bool,
                  defaulttracks: None or list,
                  usertracks: None or list):
-        self.id = userid
+        self.userid = userid
         self.username = username
         self.nick = nick
         self.isbot = isbot
-        if defaulttracks is not None:
-            self._def_list = defaulttracks
-            self.defaulttracks = self._defaulttracks
-        else:
-            self.defaulttracks = None
-        if usertracks is not None:
-            self._user_list = usertracks
-            self.usertracks = self._usertracks
-        else:
-            self.usertracks = None
+        self.defaulttracks = defaulttracks
+        self.usertracks = usertracks
 
     def __str__(self):
         return self.username
 
     def __repr__(self):
-        return f'<File attrs userid={self.id} username={self.username} nick={self.nick} ' \
+        return f'<File attrs userid={self.userid} username={self.username} nick={self.nick} ' \
                f'isbot={self.isbot} defaulttracks={self.defaulttracks} usertracks={self.usertracks}>'
 
-    @property
-    def _defaulttracks(self) -> List[str]:
-        return self._def_list.split(', ')
-
-    @property
-    def _usertracks(self) -> List[str]:
-        return self._user_list.split(', ')
-
 
 class _ListGenerationIter:
     def __init__(self, user_class):
@@ -166,11 +150,16 @@ async def read_db(guild: int, user: int, column: str):
         pass
 
 
-async def check_exist_audio(guild: int, user: int, audio: str):
-    _users_db = DB_Reader(guild)
-    for _user in _users_db:
-        if not _user.isbot:
-            if _user.id == user and _user.usertracks is not None and audio in _user.usertracks:
-                return True
-            else:
-                return False
+async def check_exist_audio(ctx, guild: int, user: int, column: str, audio: str):
+    _list_str = await read_db(guild, user, column)
+    print(type(_list_str))
+    if _list_str is not None:
+        _list = _list_str.split(',')
+        if audio in _list:
+            await ctx.reply("File in list")
+
+        else:
+            pass
+
+    else:
+        _list = 'None'
diff --git a/lib/ListGenerator.py b/lib/ListGenerator.py
index e0197b0..a0892e9 100644
--- a/lib/ListGenerator.py
+++ b/lib/ListGenerator.py
@@ -1,6 +1,6 @@
 import mimetypes
 import os
-from typing import Optional
+from typing import Tuple, Optional
 
 
 class ListGenerator:
@@ -36,10 +36,10 @@ class ListGenerator:
 
 
 class _FileAttrs:
-    def __init__(self, name, path, _type, exc):
+    def __init__(self, name, path, type, exc):
         self.name = name
         self.path = path
-        self.mimetype = _type
+        self.mimetype = type
         self.exc = exc
 
     def __str__(self):
@@ -63,7 +63,7 @@ class _ListGenerationIter:
         return self
 
     @property
-    def _type(self) -> Optional[str]:
+    def type(self) -> tuple[Optional[str], Optional[str]]:
         guess = mimetypes.guess_type(f'{self._path}/{self._list[self._current_index]}')[0]
         return guess
 
diff --git a/lib/Player.py b/lib/Player.py
index defd24e..be4538b 100644
--- a/lib/Player.py
+++ b/lib/Player.py
@@ -5,6 +5,7 @@ from disnake import FFmpegPCMAudio
 
 async def play_audio(audio, bot, vc):
     if not bot.voice_clients:
+        logger.info(audio)
         logger.error(f'Playing: {audio}')
         await sleep(1)
         vp = await vc.connect()
diff --git a/requirements.txt b/requirements.txt
index 903f61c..4972f56 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 disnake[audio]~=2.5.2
 setuptools==65.3.0
-psutil==5.9.2
+psutil~=5.9.1
 pymediainfo~=5.1.0
 pyNaCl~=1.5.0
-python-dotenv==0.21.0
-ffmpeg-python~=0.2.0
\ No newline at end of file
+python-dotenv~=0.20.0
+ffmpeg
\ No newline at end of file