SENL101 Autologous T Cell Injection in Adults With Relapsed or Refractory CD7+ Hematolymphoid Malignancies

Main research purposes: To evaluate the tolerability and safety of SENL101 in patients with relapsed or refractory CD7+ hematolymphoid malignancies. Secondary research purposes: To preliminarily evaluate the efficacy, pharmacokinetics and pharmacodynamics of SENL101 in the treatment of patients with relapsed or refractory CD7+ hemolymphoid malignancies. Exploratory research purpose： 1. To explore the immunogenicity of SENL101； 2. T cell NK cell recovery time after treatment； 3. Other indicators of interest to researchers。