1. Introduction
2. Data Sources
2.1. The Zwicky Transient Facility Survey
2.2. The Large Sky Area Multi-Object Fibre Spectroscopic Telescope (LAMOST)
2.3. The Gaia Mission BP/RP Spectra
3. Methods and Results
3.1. Target Selection
3.2. Classification
3.3. Colour-Magnitude Diagram, Age, and Radius
4. Members of Open Clusters
5. Discussion
6. Conclusion