Inclusion Criteria:
1. Voluntarily sign an informed consent form before the start of activities related to this experiment and be able to understand the procedures of this experiment Willing to strictly adhere to the clinical trial protocol and complete this trial in accordance with the method;
2. Participants (including partners) are willing to have no fertility plans from screening to within 6 months after the last administration of the investigational drug, and voluntarily adopt highly effective contraceptive measures (specific contraceptive measures can be found in Appendix 1);
3. On the day of signing the informed consent form, the age range is 18 to 45 years old (including both ends), and both males and females are eligible;
4. Male participants weighing no less than 50 kg and female participants weighing no less than 45 kg; Body Mass Index (BMI)19-28 kg/m2 (including both ends), body mass index (BMI)=weight (kg)/height 2 (m2);
5. Creatinine clearance rate (calculated using the Cockcroft Gault formula, see Appendix 2) ≥ 80 mL/min.
Exclusion Criteria:
1. Screening period physical examination, vital sign examination, 12 lead electrocardiogram, clinical laboratory examination (blood routine Abnormal and clinically significant factors such as blood biochemistry, urine routine, coagulation function, etc. have been identified by researchers;
2. Clinical findings indicate the presence of the following diseases: including but not limited to gastrointestinal, renal, hepatic, neurological, hematological, and endocrine disorders Secretory, tumor, lung, immune, psychiatric or cardiovascular diseases that the researcher deems unsuitable to participate in this study Researcher;
3. Any potential impact on the safety of the trial or drug absorption, distribution, metabolism, or excretion within the first 6 months of screening Individuals with a history of surgery or trauma, or those planning to undergo surgery during the study period;
4. History of swallowing difficulties or any gastrointestinal diseases that affect drug absorption, including frequent malignant events caused by any underlying cause Individuals with a history of heart or vomiting;
5. Individuals with a history of eye diseases (such as retinal hemorrhage, optic nerve abnormalities, etc.);
6. Individuals with previous risk factors for arrhythmia, such as congenital or acquired QTc interval prolongation, cardiomyopathy, and menstrual disorders Researchers have identified clinically significant abnormalities such as sinus bradycardia;
7. Participate in blood donation within 3 months prior to screening and donate ≥ 400 mL (excluding female menstrual bleeding), or Blood transfusion recipients;
8. Screening for use of other clinical trial drugs within the first 3 months or planned participation in other clinical trials during the study period The person;
9. Individuals with a history of drug abuse, drug dependence, drug use, or urinary drug abuse within the past 5 years prior to screening Individuals with positive screening results;
10. Individuals with a history of alcohol abuse or those who have frequently consumed alcohol within the past 6 months, i.e. those who consume ≥ 14 units of alcohol per week (1 Unit=360 mL of beer with an alcohol content of 5%, 45 mL of strong liquor with an alcohol content of 40%, or 150 mL of alcohol 12% wine), or any alcoholic product taken on the day before the first dose, or alcohol blowing Individuals who test positive for alcohol or are unable to stop consuming alcohol during the study period;
11. Excessive smoking (≥ 5 cigarettes/day) within the first 3 months of screening, or inability to stop smoking during the trial period;
12. Those who are positive in any index screening of hepatitis B surface antigen, hepatitis C antibody, HIV antigen/antibody or syphilis antibody;
13. Used any drugs that affect liver enzymes within the previous month (or 5 times half-life, whichever is longer) before screening Active drugs (including inhibitors and inducers that affect metabolic enzymes);
14. Within 14 days prior to the first use of the investigational drug, any prescription, over-the-counter, herbal, or herbal medicine has been used Health products (excluding topical preparations that exert local effects);
15. Consuming grapefruit or products containing grapefruit, caffeine, and yellow within 48 hours prior to taking the investigational drug Foods or beverages containing purines or alcohol (including chocolate, tea, coffee, cola, etc.); Intense exercise, or Those who have other factors that affect drug absorption, distribution, metabolism, excretion, etc;
16. Individuals with a history of needle or blood dizziness, difficulty in blood collection, or intolerance to venipuncture blood collection;
17. Allergic constitution, including severe drug allergies or a history of drug allergies, known to be sensitive to experimental drugs or drugs Individuals allergic to any ingredient in the medication;
18. From the screening stage to the occurrence of acute illness or concomitant medication before the study drug;
19. Pregnant or lactating women, or women of childbearing age who test positive for pregnancy;
20. Researchers believe that there are other factors that are not suitable for participating in this experiment.
