Update README.md

Author: strengthen

README.md

@@ -7,7 +7,7 @@
 ![](https://img.shields.io/badge/Python-Python3-red)
 ![](https://img.shields.io/badge/Ruby-Rust-lightgrey)
 ![](https://img.shields.io/badge/Scala-Swift-blue)
-### Welcome to download from App Store: iNFC
+# Welcome to download from App Store: iNFC
 > [https://apps.apple.com/cn/app/infc/id1562054959](https://apps.apple.com/cn/app/infc/id1562054959)
 ## 1. iNFC official store:
 > [https://shop186988287.taobao.com/](https://shop186988287.taobao.com/)