JY231 Injection in the Treatment of Relapsed or Refractory B-cell Lymphoma

Infusion of JY231 Injection by dose of 1-10 x10\^6 TU/kg、 1-5 x10\^7 TU/kg、 5-10 x10\^7 TU/kg Administration method: intravenous infusion、intraperitoneally infusion、Lymph node infusion； Subjects will be treated with Fludarabine and Cyclophosphamide before cell infusion（PI evaluation is required）.