This is a phase 1 study to investigate the characteristics of PK, PD and safety in subjects with advanced malignancies with FGF/FGFR alterations.

Inclusion Criteria:

1. Men and women, aged 18 or older.
2. Histologically or cytologically confirmed malignancy which was considered to be surgically unresectable advanced, relapse or metastatic .
3. Radiographically measurable disease per RECIST v 1.1
4. Documentation of FGF/FGFR alteration..
5. Documented disease progression after standard therapy ,or no standard therapy available.
6. ECOG performance status of 0~1.
7. Life expectancy ≥12 weeks

Exclusion Criteria:

1. Prior receipt of a selective FGFR inhibitor.
2. History of calcium and phosphate hemostasis disorder or systemic mineral imbalance with ectopic calcification of softy tissues ( exception: skin, kidney, tendons or vessels due to injury, disease, and aging, in the absence of systemic mineral imbalance).
3. Currently evidence of clinically significant corneal or retinal disorder confirmed by ophthalmologic examination.
4. Use of any potent CYP3A4 inhibitors or inducers within 14 days or 5 half-lives, whichever is shorter, before the first dose of study drug. Topical ketoconazole will be allowed