【案情概要】2014年4月9日,某企业通过网易邮箱发送给刘某《录用通知书》其中第2条第4款约定:“如果你同意本通知书的内容,请将你的各种关系在报到时向本企业提交,如因个人原因延误,未按要求及时提供材料造成你社会保险费无法及时缴纳,由此造成的责任和损失将由你个人承担”。2014年5月16日,刘某收到录用通知书后,签名 [Summary of the case] April 9, 2014, an enterprise via e-mail sent to Liu Ryu “hiring notice” of which Article 2, paragraph 4 agreement: "If you agree with the contents of this notice, please your When the report is submitted to the enterprise, if due to personal reasons, the timely delivery of materials fails to pay for your social insurance payment, the liabilities and losses will be borne by you personally. May 16, 2014, Liu received the offer notice, the signature