The audiovisual works generated by Sora involve different rights holders in terms of ideas and expressions,making the copyright infringement risks for its users highly concealed.Sora generates content by"reproducing"scenes based on a vast amount of video material,creating a process where thought and expression are separated.The actions of Sora users carry risks of infringing reproduction rights,adaptation rights,and dissemination rights(broadcasting rights and information network dissemination rights),and these risks are highly concealed.The infringement determination rules of"access+substantial similarity"and the"fault principle"face obstacles in application,even leading to the inability to provide evidence.Sora users should be included in the disclosure subject category,and the audiovisual works generated by Sora should be disclosed.Additionally,a prior works usage endorsement system should be introduced to strengthen the pre-algorithm risk prevention mechanism.At the same time,it is necessary to moderately explore the"evidence relaxation"system and flexibly use the"reversal of the burden of proof"to integrate pre-prevention and post-governance.