RecruitingEarly Phase 1Drug trialEvaluation of Safety, Pharmacokinetics and Pharmacodynamics of Arnovie101, an mRNA-LNP-Based In Vivo CAR-T Therapy, for the Treatment of B Cell-Mediated Autoimmune Diseases (SLE and AIHA)This is an open lable and single arm study designed to evaluate the safety, PK and PD of Arnovie101 in B cell-mediated Autoimmune Disease