近年来,随着对抗制审判方式改革的逐渐深入,尤其是随着《关于办理刑事案件排除非法证据若干问题的规定》的颁布以及刑事诉讼法的再次修改,我国逐步确立了侦查人员出庭作证制度。尽管侦查人员出庭作证在理论上有助于贯彻落实非法证据排除规则、促进公正审判、保障被告人的 In recent years, with the gradual deepening of the reform of adversarial trial methods, especially with the promulgation of the Provisions on Handling Certain Issues in Criminal Cases of Excluding Illegal Evidence and the revision of the Criminal Procedure Law, China has gradually established a system for investigating witnesses to testify in court . Although investigators testifying in court can theoretically help to implement the rules of exclusion of illegal evidence, promote fair trial and safeguard the defendant’s