HW091077

Primary objectives: (1) To evaluate the safety and tolerability of HW091077 after multiple ascending oral administration in healthy subjects. Secondary objectives: (1) To determine the drug concentration at different times after multiple ascending oral administration of HW091077 in healthy subjects and evaluate its pharmacokinetic characteristics; (2) To evaluate the effect of food (high-fat and high-calorie meal) on the pharmacokinetics of HW091077 under single administration conditions Exploratory objectives: (1) To preliminarily explore the effect of multiple administration of HW091077 on the QT/QTc interval of subjects.