diff --git a/README.md b/README.md
index a789327..474644f 100644
--- a/README.md
+++ b/README.md
@@ -12,11 +12,21 @@ uvx --from git+https://gitea.shujk.top/shujakuin/shusub2.git shusub2 \
   --api-url https://codex.server2.shujk.top/1232131231313123/api/tui/accounts
 ```
 
+Bootstrap a new machine from `uvx`: save the API URL, install `shusub2` as a
+user command, then run it later as `shusub2`:
+
+```bash
+uvx --from git+https://gitea.shujk.top/shujakuin/shusub2.git shusub2 \
+  --api-url https://codex.server2.shujk.top/1232131231313123/api/tui/accounts \
+  --install
+shusub2
+```
+
 Install as a user command:
 
 ```bash
 uv tool install git+https://gitea.shujk.top/shujakuin/shusub2.git
-shusub2 --api-url https://codex.server2.shujk.top/1232131231313123/api/tui/accounts
+shusub2 --api-url https://codex.server2.shujk.top/1232131231313123/api/tui/accounts --save-config
 ```
 
 Configure the default public API URL for `shusub2`:
@@ -58,6 +68,8 @@ Configuration:
 
 - `--api-url` / `SUB2API_QUOTA_TUI_API_URL`
 - `--status-url` / `SHUSUB2_STATUS_URL`
+- `--save-config`
+- `--install`
 - `--refresh-seconds` / `SUB2API_QUOTA_TUI_REFRESH_SECONDS`
 - `--timeout` / `SUB2API_QUOTA_TUI_TIMEOUT`
 
diff --git a/pyproject.toml b/pyproject.toml
index 61fbbbd..96879fb 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "shusub2"
-version = "0.1.6"
+version = "0.1.7"
 description = "Terminal UI for Sub2API account quota and daily usage"
 readme = "README.md"
 requires-python = ">=3.11"
diff --git a/sub2api_quota_tui.py b/sub2api_quota_tui.py
index 3ba5972..279fefe 100644
--- a/sub2api_quota_tui.py
+++ b/sub2api_quota_tui.py
@@ -8,6 +8,7 @@ import importlib.metadata
 import json
 import os
 import re
+import subprocess
 import sys
 import urllib.parse
 import urllib.request
@@ -16,7 +17,7 @@ from typing import Any
 
 
 APP_NAME = "shusub2"
-FALLBACK_VERSION = "0.1.6"
+FALLBACK_VERSION = "0.1.7"
 DEFAULT_API_URL = "http://127.0.0.1:18318/api/tui/accounts"
 DEFAULT_CONFIG_FILE = "~/.config/shusub2/api-url"
 DEFAULT_STATUS_CONFIG_FILE = "~/.config/shusub2/status-url"
@@ -28,6 +29,7 @@ MONITOR_OK_STATUSES = {"operational", "ok", "success"}
 MONITOR_FAILED_STATUSES = {"error", "failed", "failure"}
 MONITOR_STOPWORDS = {"response", "responses", "monitor"}
 INSTALL_COMMAND = "uv tool install --force git+https://gitea.shujk.top/shujakuin/shusub2.git"
+INSTALL_COMMAND_ARGS = ["uv", "tool", "install", "--force", "git+https://gitea.shujk.top/shujakuin/shusub2.git"]
 
 
 def env_int(name: str, default: int, *, minimum: int = 1) -> int:
@@ -68,6 +70,36 @@ def default_status_url() -> str:
     )
 
 
+def config_file_path() -> Path:
+    return Path(os.environ.get("SHUSUB2_API_URL_FILE", DEFAULT_CONFIG_FILE)).expanduser()
+
+
+def write_api_url_config(api_url: str) -> Path:
+    value = str(api_url or "").strip()
+    if not value:
+        raise ValueError("api url is empty")
+    path = config_file_path()
+    path.parent.mkdir(parents=True, exist_ok=True)
+    try:
+        path.parent.chmod(0o700)
+    except OSError:
+        pass
+    path.write_text(value + "\n", encoding="utf-8")
+    try:
+        path.chmod(0o600)
+    except OSError:
+        pass
+    return path
+
+
+def run_install_command() -> int:
+    try:
+        return subprocess.run(INSTALL_COMMAND_ARGS, check=False).returncode
+    except FileNotFoundError:
+        print("uv command not found; install uv first, then run:", INSTALL_COMMAND, file=sys.stderr)
+        return 127
+
+
 def inferred_status_url(api_url: str) -> str:
     parsed = urllib.parse.urlparse(str(api_url or "").strip())
     if not parsed.scheme or not parsed.netloc:
@@ -624,6 +656,8 @@ def build_parser() -> argparse.ArgumentParser:
     parser = argparse.ArgumentParser(description="Sub2API quota and daily usage TUI")
     parser.add_argument("--api-url", default=default_api_url())
     parser.add_argument("--status-url", default=default_status_url(), help="optional sub2api-status /api/status URL for channel monitor health")
+    parser.add_argument("--save-config", action="store_true", help="persist --api-url to ~/.config/shusub2/api-url before running")
+    parser.add_argument("--install", action="store_true", help="persist --api-url, install shusub2 as a uv tool, then exit")
     parser.add_argument("--version-check-url", default=os.environ.get("SHUSUB2_VERSION_CHECK_URL", DEFAULT_VERSION_CHECK_URL))
     parser.add_argument(
         "--version-check-timeout",
@@ -645,6 +679,12 @@ def build_parser() -> argparse.ArgumentParser:
 def main(argv: list[str] | None = None) -> int:
     args = build_parser().parse_args(argv)
     status_url = str(args.status_url or "").strip() or inferred_status_url(args.api_url)
+    if args.save_config or args.install:
+        config_path = write_api_url_config(args.api_url)
+        print(f"saved api url to {config_path}")
+    if args.install:
+        print("installing shusub2 with uv tool...")
+        return run_install_command()
     version_message = check_version_update(
         args.version_check_url,
         max(1, args.version_check_timeout),
diff --git a/tests/test_payload.py b/tests/test_payload.py
index a973c5f..8a105c9 100644
--- a/tests/test_payload.py
+++ b/tests/test_payload.py
@@ -2,9 +2,11 @@ from __future__ import annotations
 
 import contextlib
 import io
+import os
 from pathlib import Path
 import importlib.util
 import sys
+import tempfile
 import unittest
 
 
@@ -98,10 +100,27 @@ class Sub2APIQuotaTUITests(unittest.TestCase):
     def test_version_update_message_only_for_newer_versions(self) -> None:
         mod = load_module()
 
-        self.assertEqual(mod.latest_version_from_text('name = "shusub2"\nversion = "0.1.7"\n'), "0.1.7")
-        self.assertIn("0.1.6 -> 0.1.7", mod.version_update_message("0.1.7", "0.1.6"))
-        self.assertEqual(mod.version_update_message("0.1.6", "0.1.6"), "")
-        self.assertEqual(mod.version_update_message("0.1.5", "0.1.6"), "")
+        self.assertEqual(mod.latest_version_from_text('name = "shusub2"\nversion = "0.1.8"\n'), "0.1.8")
+        self.assertIn("0.1.7 -> 0.1.8", mod.version_update_message("0.1.8", "0.1.7"))
+        self.assertEqual(mod.version_update_message("0.1.7", "0.1.7"), "")
+        self.assertEqual(mod.version_update_message("0.1.6", "0.1.7"), "")
+
+    def test_write_api_url_config_uses_config_file_env(self) -> None:
+        mod = load_module()
+
+        with tempfile.TemporaryDirectory() as tmp:
+            config_file = Path(tmp) / "shusub2" / "api-url"
+            old_value = os.environ.get("SHUSUB2_API_URL_FILE")
+            os.environ["SHUSUB2_API_URL_FILE"] = str(config_file)
+            try:
+                written = mod.write_api_url_config("https://example.com/api/tui/accounts")
+                self.assertEqual(written, config_file)
+                self.assertEqual(config_file.read_text(encoding="utf-8"), "https://example.com/api/tui/accounts\n")
+            finally:
+                if old_value is None:
+                    os.environ.pop("SHUSUB2_API_URL_FILE", None)
+                else:
+                    os.environ["SHUSUB2_API_URL_FILE"] = old_value
 
     def test_once_output_is_name_first_and_includes_daily_quota(self) -> None:
         mod = load_module()
diff --git a/uv.lock b/uv.lock
index 31e0bbb..c922fbf 100644
--- a/uv.lock
+++ b/uv.lock
@@ -85,7 +85,7 @@ wheels = [
 
 [[package]]
 name = "shusub2"
-version = "0.1.6"
+version = "0.1.7"
 source = { editable = "." }
 dependencies = [
     { name = "textual" },