let csrf_token_key="FengHuang_csrf_token"
//����csrf_token�ķ���ֵ
function setCsrfLocalStorage(data){
    localStorage.setItem(csrf_token_key, data.csrf_token);
}
//��ȡcsrf_token�Ĵ洢ֵ
function getCsrfLocalStorage(){
    let item = localStorage.getItem(csrf_token_key);
    return item;
}