Songguo Finance was informed that according to the news of Titanium Media App on February 9, yesterday, Shanghai Zijiao Network Technology Co., Ltd. underwent industrial and commercial changes, the legal representative was changed from Zhang Yiming to Li Ying, and at the same time, Zhang Yiming no longer served as an executive director.
In May 2021, Zhang Yiming released a letter from all employees within ByteDance announcing his resignation as CEO and focusing on long-term important issues such as long-term strategy, corporate culture and social responsibility.

Zhang Yiming said that since its establishment, ByteDance has been fortunate to seize the opportunity of the development of the times, innovate and practice on mobile terminals and videos based on machine learning technology, and achieve some achievements. Although the company's business is developing well, it is hoped that the company can continue to have greater innovation breakthroughs and become more creative and meaningful. Therefore, Zhang Yiming decided to put down the company's daily management, focus on long-term important matters such as long-term strategy, corporate culture and social responsibility, and plan to "focus relatively on learning knowledge, systematic thinking, researching new things, hands-on experimentation and experience, and create more possibilities for the company for a ten-year period."
In November of the same year, ByteDance co-founder Liang Rubo took over as CEO and chairman of ByteDance, announcing organizational adjustments through full email and establishing six business segments – Douyin, Vigorous Education, Feishu, Volcano Engine, Sunrise Lightyear and TikTok. The heads of relevant business sectors all reported to Liang Rubo.