本文主要修改了以下几个方面：1) 在第一章的引言部分加入了关于研究问题

This article is modified as follows: <br>1) In the introductory part of the first chapter of the added content about research questions and innovations <br>2) adding 2.3 Review of the literature review in the second chapter of content <br>3) an increase of Chapter III theoretical framework, specifically describes the various dimensions and coupling relationship between sustainable business model <br>4) the original 3.2.1 4.2.1 Haier Haier smart home instead of the transition process, the process of increasing the Haier to build a digital network platform twin <br>5) in 4.2.2 now added a detailed description of the social and environmental benefits of Haier and some historical data <br>6) added 4.3 part of a link between the network and digital platform Haier twin <br>7) joined the relationship of a couple 4.3.6 for discussion coupling between Haier platform <br>8) increased by 4.4 Haier, Midea and Gree expected to improve the contrast of the case papers of the external validity of the results of <br>9) amend the original 4.1 general strategy to make it more broad applicability <br>10) increased 5.2 recommends that enterprise digital transformation, providing a more universal reference for business

This article mainly modifies the following aspects:<br>1) Add to the introduction to chapter 1 with information on research issues and innovative points<br>2) Add 2.3 comments to the second chapter of the literature review<br>3) Added the theoretical framework of Chapter III, which describes the various dimensions and coupling relationships of sustainable business models<br>4) The transformation process of changing the original 3.2.1 Haier smart home to 4.2.1 Haier increases the process of building Haier's digital twin platform network<br>5) A specific description of Haier's social and environmental benefits and some historical data have been added to the present 4.2.2<br>6) Join the link between Haier platform network and digital twin in section 4.3<br>7) Added a section on the 4.3.6 coupling relationship to discuss coupling between Haier platforms<br>8) Increased 4.4 Us-Gly vs. Haier case comparison expects to improve the external validity of the paper's results<br>9) Modify the original 4.1 general strategy to make it more widely applicable<br>10) 5.2 Increased business digital transformation recommendations to provide more general advice for businesses

This paper mainly revised the following aspects:<br>1) In the introduction part of the first chapter, the research questions and innovations are added<br>2) In the second chapter, 2.3 comments are added to the literature review<br>3) Added the theoretical framework of chapter three, specifically introduced the dimensions and coupling relationship of sustainable business model<br>4) The transformation process from the original 3.2.1 Haier smart home to 4.2.1 Haier has increased Haier's process of building a digital twin platform network<br>5) In the current 4.2.2, specific descriptions and historical data of Haier's social and environmental benefits are added<br>6) In Section 4.3, the connection between Haier platform network and digital twin is added<br>7) The section of 4.3.6 coupling relationship is added to discuss the coupling between Haier platforms<br>8) 4.4 case comparison between Midea Gree and Haier is added to improve the external effectiveness of the results of the paper<br>9) Revise the original 4.1 General Strategy to make it more widely applicable<br>10) 5.2 suggestions for enterprise digital transformation have been added to provide more general reference for enterprises<br>