FNX-006

Main purpose 1) To evaluate the safety and tolerability of oral administration of FNX006 tablets in patients with advanced solid tumors; 2) To evaluate the pharmacokinetic characteristics of oral administration of FNX006 tablets in patients with advanced solid tumors; Secondary purpose 1) To preliminarily evaluate the efficacy of FNX006 tablets in patients with advanced triple-negative breast cancer; 2) To explore the relationship between the pharmacokinetic measurement results of FNX006 tablets and its toxicity and efficacy changes;