Objective response rate (ORR), Duration of response (DoR) (according to RECIST 1.1 Standard Edition)，progression-free survival (PFS), overall survival (OS), quality of life (QoL)and safety. Evaluation once every 2 weeks before cystectomy, If the efficacy results of the evaluation are complete response (CR) or partial response (PR), confirmed imaging efficacy at 9 weeks after the initial assessment ， efficacy evaluation time window of ± 14 days.
An Open-label, Single-arm, Multicenter Phase II Clinical Study： Evaluating RC48-ADC Combined With Triplizumab in the Neoadjuvant Treatment of Her2-positive Muscle-invasive Bladder Cancer.It's arm to evaluate the neoadjuvant treatment of Her2-positive Muscle-invasive Bladder Cancer in patients with objective response rate (ORR),Duration of response (DoR) , progression-free survival (PFS), overall survival (OS), and safety.