Evaluate the Safety and Efficacy of STSG-0002 Injection in Patients With Chronic Hepatitis B

Inclusion Criteria: * Patients with chronic HBV； * Receiving anti-HB viral therapy； * 10 IU/ml≤HBsAg≤3000 IU/ml. Exclusion Criteria: * Patients co-infected with hepatitis C virus, HIV, HAV, HDV, HEV; * Liver cirrhosis; * Hepatocellular carcinoma; * Autoimmune liver disease; * Clinical hepatic decompensation; * Fibroscan\>12 kPa; * a. hemoglobin\<110g/L（female）\<120 g/L（male），platelet\<ULN，white blood cell\<2.5×109/L；b. bilirubin\>1.5 ×ULN，ALT\>2 × ULN，serum albumin\<35 g/L；c. INR\>1.5；d. serum creatinine \>1.5×ULN.