This file contains ambiguous Unicode characters that may be confused with others in your current locale. If your use case is intentional and legitimate, you can safely ignore this warning. Use the Escape button to highlight these characters.
本项目使用.net framework 4.6.1, 因为项目引用的TupleStudy为 .net standard 2.0项目,
而 .net standard 2.0 引用要求的最小.net framework版本为 4.6.1