This comment points out a problem in Song et al.'s (t, n) threshold quantum secret sharing [Scientific Reports, Vol. 7, No. 1 (2017), pp. 6366], indicating that the agent is unable to obtain the expected information.
Cite
@article{arxiv.1803.00216,
title = {Comment on (t, n) Threshold d-level Quantum Secret Sharing},
author = {Shih-Hung Kao and Tzonelih Hwang},
journal= {arXiv preprint arXiv:1803.00216},
year = {2018}
}