diff --git a/tests/test_qr_login.py b/tests/test_qr_login.py
index 4f397b9..74c54d9 100644
--- a/tests/test_qr_login.py
+++ b/tests/test_qr_login.py
@@ -4,7 +4,12 @@
 
 from xhs_cli.command_normalizers import normalize_xhs_user_payload
 from xhs_cli.exceptions import XhsApiError
-from xhs_cli.qr_login import BrowserQrLoginUnavailable, _normalize_browser_cookies, qrcode_login
+from xhs_cli.qr_login import (
+    BrowserQrLoginUnavailable,
+    _camoufox_launch_options,
+    _normalize_browser_cookies,
+    qrcode_login,
+)
 
 
 class _FakeQrClient:
@@ -219,6 +224,15 @@ def test_qrcode_login_falls_back_when_browser_backend_unavailable(monkeypatch):
     }
 
 
+def test_browser_assisted_login_excludes_default_addons():
+    from camoufox import DefaultAddons
+
+    options = _camoufox_launch_options()
+
+    assert options["headless"] is False
+    assert options["exclude_addons"] == [DefaultAddons.UBO]
+
+
 def test_normalize_browser_cookies_uses_allowlist():
     cookies = _normalize_browser_cookies([
         {"name": "a1", "value": "a1-value", "domain": ".xiaohongshu.com"},
diff --git a/xhs_cli/qr_login.py b/xhs_cli/qr_login.py
index e7b189a..e1e3f4f 100644
--- a/xhs_cli/qr_login.py
+++ b/xhs_cli/qr_login.py
@@ -337,6 +337,16 @@ def _ensure_camoufox_ready() -> None:
         )
 
 
+def _camoufox_launch_options() -> dict[str, Any]:
+    """Return Camoufox launch options for browser-assisted QR login."""
+    from camoufox import DefaultAddons
+
+    return {
+        "headless": False,
+        "exclude_addons": [DefaultAddons.UBO],
+    }
+
+
 def _browser_assisted_qrcode_login(
     *,
     on_status: callable[[str], None] | None = None,
@@ -347,6 +357,7 @@ def _browser_assisted_qrcode_login(
 
     try:
         from camoufox.sync_api import Camoufox
+        launch_options = _camoufox_launch_options()
     except ImportError as exc:
         raise BrowserQrLoginUnavailable(
             "Camoufox sync API is unavailable in the current environment."
@@ -356,7 +367,7 @@ def _browser_assisted_qrcode_login(
 
     _emit_status(on_status, "🔑 Starting browser-assisted QR login...")
 
-    with Camoufox(headless=False) as browser:
+    with Camoufox(**launch_options) as browser:
         page = browser.new_page()
 
         def _handle_response(response) -> None: