This is a single-arm, open-label, single-center, dose-escalation platform clinical trial design. Using an adenovirus vector platform, the study aims to evaluate the safety, tolerability, pharmacokinetic characteristics, and preliminary anti-tumor activity of investigational CAR-M macrophage injections targeting various antigens (including HER2, PSMA, FAP, etc.) in patients with advanced solid tumors. The clinical trial is designed to be conducted in cohorts, with patients enrolled into respective cohorts based on target antigen and indication screening