After the outbreak of COVID-19, schools heavily depend on e-learning technologies and tools to shift from in-person class to online. This review article analyzes the changes of technology evolution and technology adoption of e-learning in pre- and post-COVID-19 based on the Technology System Evaluation Theory (TSET) and technology adoption of e-learning based on the Unified Theory of Acceptance and Use of Technology (UTAUT). We intend to explore the interaction of technology evolution and technology adoption in the different focus of e-learning technology in the two stages and the particularity and heterogeneity of the UTAUT model. The results indicate that (1) The moderating results of technology evolution are proposed and evaluated under the UTAUT model before the COVID-19 outbreak. Studies after the COVID-19 pandemic paid more attention to technology efficiency rather than effectiveness; (2) Research on e-learning focuses on the infrastructure to reach more users after the outbreak of COVID-19 because e-learning is the only way to continue education; (3) COVID-19 fear moderates the relationship between the external factors and the behavior intention of e-learning users. The lack of financial support on technology evolution will directly weaken the implementation of new technology. Social Isolation offers more opportunities for students to engage in e-learning. Meanwhile, it slows down the implementation of e-learning because of out-to-date hardware and software. This article offers an enhanced understanding of the interaction of technology evolution and technology adoption under unexpected environments and provides practical insights into how to promote new technology in a way that users will accept and use easily. This study can be tested and extended by empirical research in the future.

中文翻译：

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COVID-19之前和之后的在线学习的发展和采用：技术系统演化理论和技术接受与使用统一理论的结合

COVID-19爆发后，学校严重依赖电子学习技术和工具，以从面对面的课堂转变为在线的课堂。这篇综述文章分析了基于技术系统评估理论（TSET）的COVID-19前后的技术发展和电子学习技术采用的变化，以及基于接受和统一理论的电子学习技术采用的变化技术的使用（UTAUT）。我们打算在两个阶段的电子学习技术的不同焦点以及UTAUT模型的特殊性和异质性之间探讨技术发展与技术采用之间的相互作用。结果表明：（1）在COVID-19爆发之前，在UTAUT模型下提出并评估了技术发展的减速结果。在COVID-19大流行之后的研究更加关注技术效率，而不是有效性。（2）电子学习的研究侧重于在COVID-19爆发后能够吸引更多用户的基础设施，因为电子学习是继续教育的唯一途径；（3）COVID-19恐惧减轻了外部因素与电子学习用户的行为意图之间的关系。在技​​术发展上缺乏资金支持将直接削弱新技术的实施。社交隔离为学生提供了更多参与电子学习的机会。同时，由于最新的硬件和软件，它减慢了电子学习的实施速度。本文提供了对意外环境下技术发展与技术采用之间相互作用的增强理解，并提供了实用的见解，以如何使用户容易接受和使用的方式推广新技术。将来可以通过实证研究对本研究进行检验和扩展。