        });
                },
                removeBookMember : function (member_id) {
                    var $this = this;
                    $.ajax({
                        url : "{{urlfor "BookMemberController.RemoveMember"}}",
                        type :"post",
                        dataType :"json",
                        data :{ "identify" : $this.book.identify,"member_id" : member_id},
                        success : function (res) {
                            if(res.errcode === 0){
   