diff --git a/README.md b/README.md
index d7e7a7f..89329cc 100644
--- a/README.md
+++ b/README.md
@@ -1,8 +1,8 @@
 # OpenSK_USB
 Feitian OpenSK USB Dongle
 
-Googel released OpenSK, which is  is an open-source implementation for security keys written in Rust that supports both FIDO U2F and FIDO2 standards.
+Googel released [OpenSK](https://github.com/google/opensk), which is  is an open-source implementation for security keys written in Rust that supports both FIDO U2F and FIDO2 standards.
 
-FIDO product is one of most important product among Feitian's huge and rich product lines, so we are very interested in manufacturing this OpenSK based on nRF52840 module. 
+[FIDO product](https://www.ftsafe.com/Products/FIDO) is one of most important product among [Feitian](https://www.ftsafe.com)'s huge and rich product lines, so we are very interested in manufacturing this OpenSK based on nRF52840 module. 
 
 This site opens all the materials in Feitian OpenSK USB Dongle, include hardware and casing design.