diff --git a/.gitignore b/.gitignore
index a3c5722..75a060f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -75,6 +75,7 @@ coverage.xml
 
 # uv
 uv.lock
+.uv-cache/
 
 # 本地开发工具脚本
 scripts/
diff --git a/src/finchbot/cli_main.py b/src/finchbot/cli_main.py
index 8a272d7..06f7d1e 100644
--- a/src/finchbot/cli_main.py
+++ b/src/finchbot/cli_main.py
@@ -191,6 +191,23 @@ def channel_serve(
 
     启动 HTTP 服务接收 LangBot 的消息事件。
     """
+    _serve_webhook(host, port)
+
+
+@app.command("webhook")
+def webhook_serve(
+    host: str = typer.Option("0.0.0.0", "--host", "-h", help=t("cli.channel.host_help")),
+    port: int = typer.Option(8000, "--port", "-p", help=t("cli.channel.port_help")),
+) -> None:
+    """启动 Webhook 服务器.
+
+    文档中公开的快捷命令，等价于 `finchbot channel serve`。
+    """
+    _serve_webhook(host, port)
+
+
+def _serve_webhook(host: str, port: int) -> None:
+    """启动 LangBot Webhook 服务."""
     from finchbot.channels.webhook_server import run_webhook_server
     from finchbot.config import load_config
 
diff --git a/tests/test_cli_main.py b/tests/test_cli_main.py
new file mode 100644
index 0000000..2376ced
--- /dev/null
+++ b/tests/test_cli_main.py
@@ -0,0 +1,27 @@
+"""CLI command registration tests."""
+
+from __future__ import annotations
+
+from typer.testing import CliRunner
+
+from finchbot.cli_main import app
+
+runner = CliRunner()
+
+
+def test_webhook_command_is_registered() -> None:
+    """The documented `finchbot webhook` command should exist."""
+    result = runner.invoke(app, ["webhook", "--help"])
+
+    assert result.exit_code == 0
+    assert "--host" in result.output
+    assert "--port" in result.output
+
+
+def test_channel_serve_command_remains_registered() -> None:
+    """The original nested command should stay available."""
+    result = runner.invoke(app, ["channel", "serve", "--help"])
+
+    assert result.exit_code == 0
+    assert "--host" in result.output
+    assert "--port" in result.output
diff --git a/uv.toml b/uv.toml
index 71d9467..c994700 100644
--- a/uv.toml
+++ b/uv.toml
@@ -1,4 +1,4 @@
 # UV Configuration
-# 缓存放在 D 盘
+# Keep uv's cache inside the repository so the config works across platforms.
 
-cache-dir = "/Users/xjian/b_work/gitee_ky/FinchBot/uv"
+cache-dir = ".uv-cache"