diff --git a/sm2/sm2.go b/sm2/sm2.go
index 4d1fb9c..86c61b7 100644
--- a/sm2/sm2.go
+++ b/sm2/sm2.go
@@ -369,7 +369,7 @@ func decrypt(priv *PrivateKey, ciphertext []byte, opts *DecrypterOpts) ([]byte,
 	return msg, nil
 }
 
-func AdjustCipherTextSplicingOrder(ciphertext []byte, from, to ciphertextSplicingOrder) ([]byte, error) {
+func AdjustCiphertextSplicingOrder(ciphertext []byte, from, to ciphertextSplicingOrder) ([]byte, error) {
 	curve := P256()
 	if from == to {
 		return ciphertext, nil
diff --git a/sm2/sm2_test.go b/sm2/sm2_test.go
index 354b9a5..438eece 100644
--- a/sm2/sm2_test.go
+++ b/sm2/sm2_test.go
@@ -61,7 +61,7 @@ func Test_SplicingOrder(t *testing.T) {
 			}
 
 			//Adjust splicing order
-			ciphertext, err = AdjustCipherTextSplicingOrder(ciphertext, tt.from, tt.to)
+			ciphertext, err = AdjustCiphertextSplicingOrder(ciphertext, tt.from, tt.to)
 			if err != nil {
 				t.Fatalf("adjust splicing order failed %v", err)
 			}