• Patients with solid tumors clearly diagnosed by histology and/or cytology.

• Failure of standard treatment or patient unwillingness to receive other antitumor therapy.

• Age 18 to 75 years.

• Subjects with ECoG score of 0-2.

• Expected survival of 3 months or more.

• Have at least one measurable lesion (according to RECIST 1.1 criteria) that is amenable to intratumoral or intraperitoneal drug delivery.

• Subjects must have appropriate organ function, and laboratory tests during the screening period must meet the following requirements: a) absolute neutrophil count (ANC) ≥ 1.5 × 109/L, platelets (PLT) ≥ 80 × 109/L, and hemoglobin (Hb) ≥ 85 g/L; b) serum creatinine (Cr) and blood urea nitrogen (BUN) within 1.5 times the upper limit of normal values; c) serum c) serum total bilirubin (TBIL) ≤ 2 times the upper limit of normal values; d) glutamic aminotransferase (ALT) and glutamic oxalacetic aminotransferase (AST) ≤ 2.5 times the upper limit of normal values; subjects with liver metastases do not exceed 5 times the upper limit of normal values; e) activated partial thromboplastin time (APTT), prothrombin time (PT) within 1.5 times the upper limit of normal values.

• No absolute or relative centasis contraindiction.

• Eligible patients of childbearing potential must agree to use a reliable method of contraception with their partner for the duration of the trial and for at least 180 days after the last dose; female patients of childbearing potential must have a negative urine pregnancy test within 7 days prior to enrollment.

⁃ Subjects voluntarily sign an informed consent form and are in good compliance.