To Evaluate the Efficacy and Safety of KN060 in Essential Hypertension

The dose was calculated based on the fasting body weight of the subject D1, and the corresponding volume of KN060 was drawn and added to 0.9% sodium chloride injection to prepare a 100 ml solution by intravenous drip every two weeks

0.9% sodium chloride 100ml was administered as placebo by intravenous drip every two weeks