diff --git a/lenaverse_bot/core/bot.py b/lenaverse_bot/core/bot.py
index 3145a41..c51fc4f 100644
--- a/lenaverse_bot/core/bot.py
+++ b/lenaverse_bot/core/bot.py
@@ -1,12 +1,14 @@
 import logging
 
 import discord
-from discord.ext import commands
+from discord.ext.commands import Bot
+
+from .commands import foo, ping
 
 _logger = logging.getLogger(__name__)
 
 
-class LenaverseBot(commands.Bot):
+class LenaverseBot(Bot):
     def __init__(self) -> None:
         intents = discord.Intents.default()
         intents.message_content = True
@@ -16,6 +18,10 @@ class LenaverseBot(commands.Bot):
             intents=intents,
         )
 
+        self.add_command(ping)
+        self.add_command(foo)
+
     async def on_ready(self) -> None:
+        _logger.info(self.guilds)
         assert self.user is not None
         _logger.info(f"{self.user.name} has connected to Discord!")
diff --git a/lenaverse_bot/core/commands.py b/lenaverse_bot/core/commands.py
new file mode 100644
index 0000000..66e5c4c
--- /dev/null
+++ b/lenaverse_bot/core/commands.py
@@ -0,0 +1,11 @@
+from discord.ext import commands
+
+
+@commands.hybrid_command()
+async def ping(ctx: commands.Context):
+    await ctx.send("pong")
+
+
+@commands.hybrid_command()
+async def foo(ctx: commands.Context, arg: str):
+    await ctx.send(arg)
diff --git a/lenaverse_bot/main.py b/lenaverse_bot/main.py
index 02523ce..b76b672 100644
--- a/lenaverse_bot/main.py
+++ b/lenaverse_bot/main.py
@@ -4,7 +4,7 @@ from .core.bot import LenaverseBot
 
 
 def main() -> None:
-    TOKEN = os.getenv("TTSBOT_TOKEN") or ""
+    TOKEN = os.getenv("TTSBOT_TOKEN", "")
 
     bot = LenaverseBot()
     bot.run(