diff --git a/src/main/java/com/flagnote/note/service/NoteServiceImpl.java b/src/main/java/com/flagnote/note/service/NoteServiceImpl.java
index 2433f8b..359d8bb 100644
--- a/src/main/java/com/flagnote/note/service/NoteServiceImpl.java
+++ b/src/main/java/com/flagnote/note/service/NoteServiceImpl.java
@@ -113,14 +113,13 @@ public class NoteServiceImpl implements NoteService {
 		if (null == note.getTextBytes()) {
 			return null;
 		}
+		
 		String secretKey = BizKeyUtils.getSecretKey(key);
-
-		byte[] asebts = ZipUtil.unGzip(note.getTextBytes());
-		Charset cs = CharsetUtil.CHARSET_UTF_8;
-		ByteBuffer bb = ByteBuffer.allocate(asebts.length);
-		bb.put(asebts).flip();
-		CharBuffer cb = cs.decode(bb);
-		String result = SecretUtils.aesDecode(new String(cb.array()), secretKey);
+		
+		byte[] bytes = SecretUtils.aesDecode(note.getTextBytes(),secretKey);
+		bytes = ZipUtil.unGzip(bytes);
+		
+		String result = new String(bytes);
 		if (result.startsWith("FLAGNOTE#")) {
 			return result.substring(9);
 		}
diff --git a/src/main/java/com/flagnote/note/utils/SecretUtils.java b/src/main/java/com/flagnote/note/utils/SecretUtils.java
index 783e080..efd37e9 100644
--- a/src/main/java/com/flagnote/note/utils/SecretUtils.java
+++ b/src/main/java/com/flagnote/note/utils/SecretUtils.java
@@ -15,15 +15,6 @@ import cn.hutool.crypto.symmetric.XXTEA;
 
 public class SecretUtils {
 
-	private static AES aesNote = new AES(Mode.ECB, Padding.PKCS5Padding,
-			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) {
 //		text = PrimitiveArrayUtil.sub(text, 7, text.length-7);
 		return text;
@@ -34,24 +25,9 @@ public class SecretUtils {
 		return text;
 	}
 	
-	public static String aesEncode(String word,String keyWord) {
-		AES aes = new AES(Mode.ECB, Padding.PKCS5Padding,
+	public static byte[] aesDecode(byte[] bytes,String keyWord) {
+		AES aes = new AES(Mode.ECB, Padding.NoPadding,
 				new SecretKeySpec(keyWord.getBytes(), "AES"));
-		return aes.encryptBase64(word);
+		return aes.decrypt(bytes);
 	}
-	
-	public static String aesDecode(String word,String keyWord) {
-		AES aes = new AES(Mode.ECB, Padding.PKCS5Padding,
-				new SecretKeySpec(keyWord.getBytes(), "AES"));
-		return new String(aes.decrypt(Base64.decode(word)));
-	}
-	
-	public static void main(String[] args) {
-		System.out.println(aesEncode("kaxfn73w2492eb2a","kaxfn73w2492eb2a"));;
-		 AES aesNote = new AES(Mode.ECB, Padding.PKCS5Padding,
-					new SecretKeySpec("kaxfn73w2492eb2a".getBytes(), "AES"));
-		 System.out.println(aesNote.encryptBase64("kaxfn73w2492eb2a"));
-		 System.out.println(new String(aesNote.decrypt(Base64.decode("ycaXaJnQZz9sq/3ezdEB66s4rZv9POL4Q9HRIOWtQPo="))));
-	}
-
 }