fix: logout bug

security.py

@@ -111,7 +111,7 @@ async def get_current_user(security_scopes: SecurityScopes, request: Request):
     except ExpiredSignatureError:
         raise HTTPException(
             status_code=status.HTTP_401_UNAUTHORIZED,
-            detail="Token expired",
+            detail="Access token expired",
             headers={"WWW-Authenticate": authenticate_value},
         )
     except (InvalidTokenError, ValidationError):
@@ -164,7 +164,7 @@ async def login_for_access_token(
 
 async def logout(response: Response):
     response.set_cookie("access_token", "", expires=0, httponly=True, samesite="strict")
-    return
+    return {"message": "Successfully logged out"}
 
 
 async def read_users_me(