diff --git a/src/telegram/app.py b/src/telegram/app.py
index 1eaf476..784bf98 100644
--- a/src/telegram/app.py
+++ b/src/telegram/app.py
@@ -3,6 +3,7 @@ from __future__ import annotations
 
 import sys
 
+from telegram import BotCommand
 from telegram.ext import Application
 
 from src.core import BotConfig
@@ -10,9 +11,30 @@ from src.telegram.handlers import Aria2BotAPI, build_handlers
 from src.utils import setup_logger
 
 
+# Bot 命令列表，用于 Telegram 命令自动补全
+BOT_COMMANDS = [
+    BotCommand("install", "安装 aria2"),
+    BotCommand("uninstall", "卸载 aria2"),
+    BotCommand("start", "启动 aria2 服务"),
+    BotCommand("stop", "停止 aria2 服务"),
+    BotCommand("restart", "重启 aria2 服务"),
+    BotCommand("status", "查看 aria2 状态"),
+    BotCommand("logs", "查看最近日志"),
+    BotCommand("clear_logs", "清空日志"),
+    BotCommand("set_secret", "设置自定义 RPC 密钥"),
+    BotCommand("reset_secret", "重新生成随机 RPC 密钥"),
+    BotCommand("help", "显示帮助"),
+]
+
+
+async def post_init(application: Application) -> None:
+    """应用初始化后设置命令菜单"""
+    await application.bot.set_my_commands(BOT_COMMANDS)
+
+
 def create_app(config: BotConfig) -> Application:
     """创建 Telegram Application"""
-    builder = Application.builder().token(config.token)
+    builder = Application.builder().token(config.token).post_init(post_init)
     if config.api_base_url:
         builder = builder.base_url(config.api_base_url).base_file_url(config.api_base_url + "/file")
     app = builder.build()