diff --git a/src/main/java/com/flagnote/note/utils/SecretUtils.java b/src/main/java/com/flagnote/note/utils/SecretUtils.java
index 8f4482d..783e080 100644
--- a/src/main/java/com/flagnote/note/utils/SecretUtils.java
+++ b/src/main/java/com/flagnote/note/utils/SecretUtils.java
@@ -1,22 +1,17 @@
 package com.flagnote.note.utils;
 
-import java.io.UnsupportedEncodingException;
-import java.security.InvalidKeyException;
-import java.security.MessageDigest;
-import java.security.NoSuchAlgorithmException;
+import java.nio.ByteBuffer;
+import java.util.Arrays;
 
-import javax.crypto.BadPaddingException;
-import javax.crypto.Cipher;
-import javax.crypto.IllegalBlockSizeException;
-import javax.crypto.NoSuchPaddingException;
-import javax.crypto.SecretKey;
 import javax.crypto.spec.SecretKeySpec;
 
 import cn.hutool.core.codec.Base64;
-import cn.hutool.core.util.HexUtil;
+import cn.hutool.core.util.PrimitiveArrayUtil;
+import cn.hutool.core.util.ZipUtil;
 import cn.hutool.crypto.Mode;
 import cn.hutool.crypto.Padding;
 import cn.hutool.crypto.symmetric.AES;
+import cn.hutool.crypto.symmetric.XXTEA;
 
 public class SecretUtils {
 
@@ -24,12 +19,19 @@ public class SecretUtils {
 			new SecretKeySpec("b9t3pzbmybc66cba".getBytes(), "AES"));
 	
 	
+	private static XXTEA xxtea = new XXTEA("42268c9ea9b3fddd".getBytes());
+	
+	private static byte[] prefix = new byte[] {100,111,32,110,111,116,32};
+	private static byte[] suffix = new byte[] {100,111,32,101,118,105,108};
+	
 	public static byte[] encodeNote(byte[] text) {
-		return aesNote.encrypt(text);
+//		text = PrimitiveArrayUtil.sub(text, 7, text.length-7);
+		return text;
 	}
 
 	public static byte[] decodeNote(byte[] text) {
-		return aesNote.decrypt(text);
+//		text = PrimitiveArrayUtil.addAll(prefix,text,suffix);
+		return text;
 	}
 	
 	public static String aesEncode(String word,String keyWord) {