diff --git a/.gitignore b/.gitignore
index bb18dc3..a6bf882 100644
--- a/.gitignore
+++ b/.gitignore
@@ -205,4 +205,5 @@ cython_debug/
 marimo/_static/
 marimo/_lsp/
 __marimo__/
-bancho.py-master/*
\ No newline at end of file
+bancho.py-master/*
+.vscode/settings.json
diff --git a/app/auth.py b/app/auth.py
index 45afba7..7bebdd5 100644
--- a/app/auth.py
+++ b/app/auth.py
@@ -84,7 +84,7 @@ def authenticate_user_legacy(db: Session, name: str, password: str) -> Optional[
         return None
 
     # 3. 验证密码
-    if not user.pw_bcrypt:
+    if not (user.pw_bcrypt is None and user.pw_bcrypt != ""):
         return None
 
     # 4. 检查缓存
diff --git a/app/database.py b/app/database.py
index 31d3d6a..5bf536a 100644
--- a/app/database.py
+++ b/app/database.py
@@ -147,6 +147,7 @@ class User(Base):
     lazer_replays_watched = relationship(
         "LazerUserReplaysWatched", back_populates="user", cascade="all, delete-orphan"
     )
+    
 
 
 # ============================================
diff --git a/app/router/auth.py b/app/router/auth.py
index afe4cf2..634a463 100644
--- a/app/router/auth.py
+++ b/app/router/auth.py
@@ -60,7 +60,7 @@ async def oauth_token(
         # 存储令牌
         store_token(
             db,
-            user.id,
+            getattr(user, "id"),
             access_token,
             refresh_token_str,
             settings.ACCESS_TOKEN_EXPIRE_MINUTES * 60,
@@ -92,9 +92,10 @@ async def oauth_token(
         new_refresh_token = generate_refresh_token()
 
         # 更新令牌
+        user_id = int(getattr(token_record, 'user_id'))
         store_token(
             db,
-            token_record.user_id,
+            user_id,
             access_token,
             new_refresh_token,
             settings.ACCESS_TOKEN_EXPIRE_MINUTES * 60,
diff --git a/app/utils.py b/app/utils.py
index 75021a8..7eab233 100644
--- a/app/utils.py
+++ b/app/utils.py
@@ -58,9 +58,9 @@ def convert_db_user_to_api_user(
         user_stats = create_default_lazer_statistics(ruleset)
 
     # 获取国家信息
-    country_code = db_user.country_code if db_user.country_code else "XX"
+    country_code = db_user.country_code if db_user.country_code is not None else "XX"
 
-    country = Country(code=country_code, name=get_country_name(country_code))
+    country = Country(code=str(country_code), name=get_country_name(str(country_code)))
 
     # 获取 Kudosu 信息
     kudosu = Kudosu(available=0, total=0)
@@ -346,7 +346,7 @@ def convert_db_user_to_api_user(
         id=user_id,
         username=user_name,
         avatar_url=avatar_url,
-        country_code=country_code,
+        country_code=str(country_code),
         default_group=profile.default_group if profile else "default",
         is_active=profile.is_active if profile else True,
         is_bot=profile.is_bot if profile else False,