diff --git a/sm4/cipher_asm_fuzzy_test.go b/sm4/cipher_asm_fuzzy_test.go
index 1e142da..a390971 100644
--- a/sm4/cipher_asm_fuzzy_test.go
+++ b/sm4/cipher_asm_fuzzy_test.go
@@ -5,12 +5,12 @@ package sm4
 
 import (
 	"crypto/rand"
+	"fmt"
 	"io"
-	"reflect"
 	"testing"
-	"time"
 )
 
+/*
 func TestExpandKey(t *testing.T) {
 	key := make([]byte, 16)
 
@@ -43,3 +43,18 @@ func TestExpandKey(t *testing.T) {
 		}
 	}
 }
+*/
+
+func TestExpandKeySimple(t *testing.T) {
+	key := make([]byte, 16)
+
+	encRes1 := make([]uint32, 32)
+	decRes1 := make([]uint32, 32)
+	encRes2 := make([]uint32, 32)
+	decRes2 := make([]uint32, 32)
+	io.ReadFull(rand.Reader, key)
+	expandKeyGo(key, encRes1, decRes1)
+	expandKeyAsm(&key[0], &ck[0], &encRes2[0], &decRes2[0])
+	fmt.Printf("expected=%v, result=%v\n", encRes1, encRes2)
+	fmt.Printf("expected=%v, result=%v\n", decRes1, decRes2)
+}