Abstract: Public supervision is essential for regulating grassroots officials power and is a key aspect of grassroots governance Its effectiveness hinges on the public's access to information about officials responsibilities and powers，which helps judge their compliance Greater public understanding enables accurate comparison of officials actions with their prescribed duties，facilitating timely complaints when discrepancies arise However，in underdeveloped areas，limited access to information hampers understanding of officials responsibilities，weakening supervision Digital technology，with its robust information dissemination capabilities，can expand public access to such information，thereby enhancing public supervision
This paper examines the impact of digital technology on public supervision by analyzing data on public complaints about officials violating the Partys eightpoint frugality code Using the Smart Broadcasting and Television Project in H County as a quasinatural experiment and a differenceindifferences approach，it finds that digital technology significantly increases public complaints，enhancing supervision of grassroots officials Robustness tests，including parallel trend checks and instrumental variable strategy，confirm the results，while ruling out alternative explanations like the pandemic or shifts in anticorruption efforts The study also reveals that digital technologys effect is stronger in areas with limited information access，and new complaints primarily target officials inaction or misconduct This suggests digital technology expands public access to information，provides clear evaluation criteria，and strengthens public supervision 
This paper enhances understanding of digital technologys role in grassroots governance and highlights its synergy with public supervision，offering new insights for governance innovation It provides three policy recommendations: （1）strengthen digital infrastructure to expand public access to information；（2）enhance government transparency and clarify officials responsibilities；（3）integrate emerging digital technologies with the mass line to accelerate governance modernization Overall，it argues that combining digital empowerment with the mass line is a viable path to achieving national governance modernization in Chinas development process

Key words: public supervision, digital technology, information acquisition, grassroots governance

摘要： 群众监督是基层治理的重要构成。然而在经济欠发达地区，受限于信息获取渠道的匮乏，群众对基层官员的职责边界了解不足，阻碍了监督权的有效行使。数字技术的引入提高了群众获取基层官员权责信息的能力，为强化群众监督创造了条件。基于群众投诉举报官员违反八项规定精神的数据，本文以H县实施智慧广电工程作为准自然实验，使用渐进双重差分法，识别了数字技术引入与群众监督强化的因果关系。结果显示，数字技术的引入显著提高了群众的投诉举报数量，强化了群众监督。在群众信息获取渠道更单一的地区，该强化作用更为明显。进一步研究发现，新增的投诉举报主要聚焦官员不作为、乱作为的问题。这表明，数字技术拓宽了群众获取官员权责信息的渠道，为群众监督提供了明确的评判标准，从而提升了群众监督的水平。本文深化了对数字技术与基层治理关系的理解，为强化数字基础设施建设、促进基层治理体系和治理能力现代化提供了有益参考。

关键词: 群众监督, 数字技术, 信息获取, 基层治理