diff --git a/app/api/v1/auth.py b/app/api/v1/auth.py
index 637cc44..f60d5bb 100644
--- a/app/api/v1/auth.py
+++ b/app/api/v1/auth.py
@@ -20,13 +20,12 @@ from app.core.ratelimit import enforce_rate_limit
 from app.core.security import (
     TokenError,
     create_bind_ticket,
-    decode_bind_ticket,
     decode_token,
     issue_token_pair,
 )
+from app.integrations import wxpay
 from app.integrations.jiguang import JiguangError, mask_phone, verify_and_get_phone
 from app.integrations.sms import SmsError, send_code, verify_code
-from app.integrations import wxpay
 from app.repositories import onboarding as onboarding_repo
 from app.repositories import user as user_repo
 from app.schemas.auth import (
diff --git a/tests/test_wechat_login.py b/tests/test_wechat_login.py
index 80effb5..44b4868 100644
--- a/tests/test_wechat_login.py
+++ b/tests/test_wechat_login.py
@@ -8,7 +8,6 @@ from __future__ import annotations
 
 import pytest
 
-from app.api.v1 import auth
 from app.core import security
 from app.integrations import wxpay