async def METHOD_NAME(groupNumber: int, platformName: str, target: str):
    try:
        await config.del_subscribe(TargetQQGroup(group_id=groupNumber), target, platformName)
    except (NoSuchUserException, NoSuchSubscribeException):
        raise HTTPException(status.HTTP_400_BAD_REQUEST, "no such user or subscribe")
    return StatusResp(ok=True, msg="")