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iPTF14hls is an unusually bright, long-lived II-P supernova (SN), whose lightcurve has at least five peaks. We propose that the outflows from the black holehyperaccretion systems in the center of the collapsars should continuouslyinject into the envelope. For a jet-driven core-collapsar model, the outflowfeedback results in prolonging the accretion timescale and fluctuatingaccretion rates in our analytic solutions. Thus, the long period of luminous,varying SN iPTF14hls might originate from the choked jets, which are regulatedby the feedback of the strong disk outflows in a massive core-collapsar. Onecan expect that jet-driven iPTF14hls may last no more than approximately 3,000days, and the luminosity may quickly decrease in the later stages. Moreover,the double-peak light curves in some SNe might be explained by the outflowfeedback mechanism.

A possible feedback mechanism of outflows from a black hole hyperaccretion disk in the center of jet-driven iPTF14hls