diff --git a/src/test/java/org/zz/gmhelper/test/SM2UtilTest.java b/src/test/java/org/zz/gmhelper/test/SM2UtilTest.java
index 8da97d5..05ba57c 100644
--- a/src/test/java/org/zz/gmhelper/test/SM2UtilTest.java
+++ b/src/test/java/org/zz/gmhelper/test/SM2UtilTest.java
@@ -31,7 +31,7 @@ public void testSignAndVerify() {
                 + ByteUtils.toHexString(priKey.getD().toByteArray()).toUpperCase());
             System.out.println("Pub X Hex:"
                 + ByteUtils.toHexString(pubKey.getQ().getAffineXCoord().getEncoded()).toUpperCase());
-            System.out.println("Pub X Hex:"
+            System.out.println("Pub Y Hex:"
                 + ByteUtils.toHexString(pubKey.getQ().getAffineYCoord().getEncoded()).toUpperCase());
             System.out.println("Pub Point Hex:"
                 + ByteUtils.toHexString(pubKey.getQ().getEncoded(false)).toUpperCase());
@@ -69,7 +69,7 @@ public void testEncryptAndDecrypt() {
                 + ByteUtils.toHexString(priKey.getD().toByteArray()).toUpperCase());
             System.out.println("Pub X Hex:"
                 + ByteUtils.toHexString(pubKey.getQ().getAffineXCoord().getEncoded()).toUpperCase());
-            System.out.println("Pub X Hex:"
+            System.out.println("Pub Y Hex:"
                 + ByteUtils.toHexString(pubKey.getQ().getAffineYCoord().getEncoded()).toUpperCase());
             System.out.println("Pub Point Hex:"
                 + ByteUtils.toHexString(pubKey.getQ().getEncoded(false)).toUpperCase());
@@ -98,7 +98,7 @@ public void testEncryptAndDecrypt_C1C2C3() {
                 + ByteUtils.toHexString(priKey.getD().toByteArray()).toUpperCase());
             System.out.println("Pub X Hex:"
                 + ByteUtils.toHexString(pubKey.getQ().getAffineXCoord().getEncoded()).toUpperCase());
-            System.out.println("Pub X Hex:"
+            System.out.println("Pub Y Hex:"
                 + ByteUtils.toHexString(pubKey.getQ().getAffineYCoord().getEncoded()).toUpperCase());
             System.out.println("Pub Point Hex:"
                 + ByteUtils.toHexString(pubKey.getQ().getEncoded(false)).toUpperCase());
@@ -195,7 +195,7 @@ public void testSM2KeyGen2() {
                 + ByteUtils.toHexString(priKey.getD().toByteArray()).toUpperCase());
             System.out.println("Pub X Hex:"
                 + ByteUtils.toHexString(pubKey.getQ().getAffineXCoord().getEncoded()).toUpperCase());
-            System.out.println("Pub X Hex:"
+            System.out.println("Pub Y Hex:"
                 + ByteUtils.toHexString(pubKey.getQ().getAffineYCoord().getEncoded()).toUpperCase());
             System.out.println("Pub Point Hex:"
                 + ByteUtils.toHexString(pubKey.getQ().getEncoded(false)).toUpperCase());