diff --git a/_tests/test_landing_live.py b/_tests/test_landing_live.py
new file mode 100644
index 0000000..c3fc1e9
--- /dev/null
+++ b/_tests/test_landing_live.py
@@ -0,0 +1,84 @@
+# -*- coding: utf-8 -*-
+r'''验证线上官网已经是新版。'''
+from __future__ import annotations
+
+import sys
+import urllib.error
+import urllib.request
+from pathlib import Path
+
+sys.path.insert(0, str(Path(__file__).resolve().parent.parent / "_build"))
+from devssh import run as ssh_run                          # noqa: E402
+
+BASE = "https://relay.xxmxxs.top"
+UA = {"User-Agent": "LanRemote/1.8.2"}
+
+passed = 0
+failed = 0
+
+
+def check(name, ok, detail=""):
+    global passed, failed
+    if ok:
+        passed += 1
+        print("  [PASS] " + name)
+    else:
+        failed += 1
+        print("  [FAIL] " + name + (("  —— " + str(detail)) if detail else ""))
+
+
+def main() -> int:
+    print("=" * 56)
+    print("  线上官网验证")
+    print("=" * 56)
+
+    # 先用设备上的本机地址绕开 Cloudflare 缓存看个准的
+    _c, local, _e = ssh_run(
+        "curl -s --max-time 15 -H 'User-Agent: LanRemote/1.8.2' "
+        "http://127.0.0.1:8080/", timeout=60, quiet=True)
+
+    # 再看公网（可能有最多 60 秒缓存）
+    req = urllib.request.Request(BASE + "/", headers=UA)
+    try:
+        with urllib.request.urlopen(req, timeout=25) as resp:
+            pub = resp.read().decode("utf-8", "replace")
+            cc = resp.headers.get("cf-cache-status", "")
+        ok_pub = True
+    except Exception as exc:                              # noqa: BLE001
+        pub = ""
+        cc = ""
+        ok_pub = False
+        print("  公网拉取失败：%s" % exc)
+
+    for label, html in (("本机", local or ""), ("公网", pub)):
+        if not html:
+            continue
+        print()
+        print("  ---- %s 版本 ----" % label)
+        check("%s：是新版" % label, "scroll-hint" in html,
+              "没有 scroll-hint，还是旧版")
+        check("%s：有数据带" % label, 'class="stats"' in html, "没有")
+        check("%s：有评价区" % label, 'class="quotes"' in html, "没有")
+        check("%s：有平台标签行" % label, 'class="plats"' in html, "没有")
+        check("%s：有滚动淡入脚本" % label,
+              "IntersectionObserver" in html, "没有")
+        check("%s：HTML 里没有裸 reveal（没 JS 也可见）" % label,
+              "reveal\"" not in html.split("<script>")[0],
+              "HTML 里还有 reveal，没 JS 会空白")
+        check("%s：没有管理页字眼" % label, "管理页" not in html,
+              "对外页面提到了管理页")
+
+    if ok_pub:
+        print()
+        print("  公网 cf-cache-status: %s" % (cc or "（无）"))
+        if cc.upper() == "HIT":
+            print("  （HIT 说明拿到了缓存，新版最多 60 秒后生效）")
+
+    print()
+    print("=" * 56)
+    print("  通过 %d 项，失败 %d 项" % (passed, failed))
+    return 0 if failed == 0 else 1
+
+
+if __name__ == "__main__":
+    sys.exit(main())