“…Judicial inconsistency is a serious threat to the authority of the legal system and has attracted the attention of many researchers in the legal field. Most of them focus on the importance of consistency, causes of inconsistency, solutions, etc., from a case-by-case or theoretical perspective [Anderlini et al, 2014, Edgely, 2009, Li, 2014, Reamer, 2005. Meanwhile, many efforts have been devoted to developing fairness-aware machine learning algorithms [Berk et al, 2018, Dwork et al, 2012, Speicher et al, 2018, Zafar et al, 2017, which focus on designing models to produce fair outcomes rather than analyzing the unfairness in existing data or legal systems.…”