diff --git a/main.py b/main.py
index 61f0403..97fc051 100644
--- a/main.py
+++ b/main.py
@@ -5,7 +5,7 @@ from models.database import init_db
 from models.migration import migration
 from pkg.lifespan import lifespan
 from pkg.JWT import jwt as JWT
-from pkg.log import log, set_log_level
+from pkg.log import set_log_level
 
 # 添加初始化数据库启动项
 lifespan.add_startup(init_db)
@@ -40,8 +40,9 @@ for router in routers.Router:
             401: {"description": "未授权 Unauthorized"},
             403: {"description": "禁止访问 Forbidden"},
             404: {"description": "未找到 Not found"},
-            500: {"description": "内部服务器错误 Internal server error"}
-        },)
+            500: {"description": "内部服务器错误 Internal server error"},
+        },
+    )
 
 # 启动时打印欢迎信息
 if __name__ == "__main__":
diff --git a/pkg/password/pwd.py b/pkg/password/pwd.py
index 1b7cd59..15fcdf2 100644
--- a/pkg/password/pwd.py
+++ b/pkg/password/pwd.py
@@ -1,4 +1,5 @@
 import secrets
+from argon2 import PasswordHasher
 
 class Password:
     
@@ -23,16 +24,14 @@ class Password:
         password: str,
     ) -> str:
         """
-        生成密码的加盐哈希值。
+        生成密码的Argon2哈希值。
         
-        :return: 包含盐值和哈希值的字符串。
+        :param password: 要哈希的密码。
+        :return: 使用Argon2算法生成的密码哈希。
         :rtype: str
         """
-        import os, hashlib, binascii
-        salt = hashlib.sha256(os.urandom(60)).hexdigest().encode('ascii')
-        pwdhash = hashlib.pbkdf2_hmac('sha256', password.encode('utf-8'), salt, 100000)
-        pwdhash = binascii.hexlify(pwdhash)
-        return (salt + pwdhash).decode('ascii')
+        ph = PasswordHasher()
+        return ph.hash(password)
     
     @staticmethod
     def verify(
@@ -40,20 +39,17 @@ class Password:
         provided_password: str, 
     ) -> bool:
         """
-        验证存储的密码哈希值与用户提供的密码是否匹配。
+        验证存储的Argon2密码哈希值与用户提供的密码是否匹配。
         
-        :param stored_password: 存储的密码哈希值(包含盐值)。
+        :param stored_password: 存储的Argon2密码哈希值。
         :param provided_password: 用户提供的密码。
-        :param debug: 是否输出调试信息，将会输出原密码和哈希值。
-        :return: 如果密码匹配返回 `True` ,否则返回 `False` 。
-        """
-        import hashlib, binascii
-        salt = stored_password[:64]
-        stored_password = stored_password[64:]
-        pwdhash = hashlib.pbkdf2_hmac('sha256', 
-                                      provided_password.encode('utf-8'), 
-                                      salt.encode('ascii'), 
-                                      100000)
-        pwdhash = binascii.hexlify(pwdhash).decode('ascii')
         
-        return secrets.compare_digest(pwdhash, stored_password)
\ No newline at end of file
+        :return: 如果密码匹配返回 `True` ,否则返回 `False` 。
+        :rtype: bool
+        """
+        ph = PasswordHasher()
+        try:
+            ph.verify(stored_password, provided_password)
+            return True
+        except:
+            return False
diff --git a/routers/controllers/user.py b/routers/controllers/user.py
index 26983b3..94f98fe 100644
--- a/routers/controllers/user.py
+++ b/routers/controllers/user.py
@@ -49,19 +49,13 @@ async def router_user_session(
         )
     )
     
-    if not is_login:
-        if detail in ["User not found", "Incorrect password"]:
-            raise HTTPException(status_code=400, detail="Invalid username or password")
-        elif detail == "Need to complete registration":
-            raise HTTPException(status_code=400, detail="User account is not fully registered")
-        elif detail == "Account is banned":
-            raise HTTPException(status_code=403, detail="User account is banned")
-        else:
-            raise HTTPException(status_code=500, detail="Internal server error during login")
     if isinstance(detail, models.response.TokenModel):
         return detail
+    elif detail is None:
+        raise HTTPException(status_code=401, detail="Invalid username or password")
+    elif detail is False:
+        raise HTTPException(status_code=403, detail="User account is banned or not fully registered")
     else:
-        log.error(f"Unexpected return type from login service: {type(detail)}")
         raise HTTPException(status_code=500, detail="Internal server error during login")
 
 @user_router.post(
diff --git a/service/user/login.py b/service/user/login.py
index 8eb0ff4..6f27095 100644
--- a/service/user/login.py
+++ b/service/user/login.py
@@ -5,7 +5,7 @@ from models.response import TokenModel
 from models.user import User
 from pkg.log import log
 
-async def Login(LoginRequest: LoginRequest) -> tuple[bool, TokenModel | str]:
+async def Login(LoginRequest: LoginRequest) -> TokenModel | bool | None:
     """
     根据账号密码进行登录。
 
@@ -32,32 +32,29 @@ async def Login(LoginRequest: LoginRequest) -> tuple[bool, TokenModel | str]:
 
     # [TODO] 验证码校验
     
-    # 验证用户是否存在
+    # 获取用户信息
     user = await User.get(email=LoginRequest.username)
 
+    # 验证用户是否存在
     if not user:
         log.debug(f"Cannot find user with email: {LoginRequest.username}")
-        return False, "User not found"
+        return None
     
     # 验证密码是否正确
     if not Password.verify(user.password, LoginRequest.password):
         log.debug(f"Password verification failed for user: {LoginRequest.username}")
-        return False, "Incorrect password"
+        return None
     
     # 验证用户是否可登录
-    if user.status == None:
-        # 未完成注册
-        return False, "Need to complete registration"
-    elif user.status == False:
-        # 账号已被封禁
-        return False, "Account is banned"
+    if not user.status:
+        # 未完成注册 or 账号已被封禁
+        return False
     
     # 创建令牌
-    
     access_token, access_expire = create_access_token(data={'sub': user.email})
     refresh_token, refresh_expire = create_refresh_token(data={'sub': user.email})
 
-    return True, TokenModel(
+    return TokenModel(
         access_token=access_token,
         access_expires=access_expire,
         refresh_token=refresh_token,