diff --git a/SM4-with-GFNI.md b/SM4-with-GFNI.md
index 33f8c0e..ce30ef0 100644
--- a/SM4-with-GFNI.md
+++ b/SM4-with-GFNI.md
@@ -14,6 +14,8 @@
 3. AESENCLAST
 4. 多条指令实现的仿射
 
+[示例代码](https://github.com/emmansun/simd/blob/main/amd64/sse/sse_aesni_test.go)
+
 ## GFNI
 1. Affine Transformation (单指令)
 2. Affine Transformation Inverse (单指令)