def unifyURLFormat(weibo_url):
    """
    Input: 'https://weibo.com/2656274875/IrKUN65dn?from=page_1002062656274875_profile&wvr=6&mod=weibotime'

    Output: 'https://weibo.com/2656274875/IrKUN65dn'
    """
    return weibo_url.split("?")[0]