随着计算机网络的发展,E时代的电子商务以其简便、迅速、低成本的优势颠覆了传统的国际贸易方式,以数据电文等方式表达要约承诺也日渐成为主流。本文通过对比传统承诺理论和新电子商务时代承诺的变化,分析新形势下承诺的撤销、生效、安全性等问题,并提出应对新变化的建议。 With the development of computer networks, e-commerce in the era of E has overturned the traditional modes of international trade with its simple, rapid and low-cost advantages. It is also increasingly becoming the mainstream to express tender offerings in the form of data telegrams. By comparing the traditional commitment theory with the promise of new era of e-commerce, this article analyzes the problems of withdrawal, entry into force and security under the new situation, and puts forward suggestions to deal with new changes.