diff --git a/README.md b/README.md
index f606b6a..1df29cb 100644
--- a/README.md
+++ b/README.md
@@ -5,6 +5,8 @@
 
 This is a **SM2 sm2p256v1** implementation whose performance is similar like golang native NIST P256 under **amd64** . 
 
+For implementation detail, please refer https://github.com/emmansun/gmsm.wiki.git
+
 **SM2 encryption Benchmark**
 
     P-256/SM2(No tuning)