diff --git a/jsowell-netty/src/main/java/com/jsowell/netty/decoder/StartAndLengthFieldFrameDecoder.java b/jsowell-netty/src/main/java/com/jsowell/netty/decoder/StartAndLengthFieldFrameDecoder.java
index f49e34cc8..8f0e0475c 100644
--- a/jsowell-netty/src/main/java/com/jsowell/netty/decoder/StartAndLengthFieldFrameDecoder.java
+++ b/jsowell-netty/src/main/java/com/jsowell/netty/decoder/StartAndLengthFieldFrameDecoder.java
@@ -17,6 +17,7 @@ public class StartAndLengthFieldFrameDecoder extends ByteToMessageDecoder {
 	// 构造函数，初始化起始标志
 	public StartAndLengthFieldFrameDecoder() {}
 
+	@Override
 	protected void decode(ChannelHandlerContext ctx, ByteBuf buffer, List<Object> out) throws Exception {
 		// log.info("StartAndLengthFieldFrameDecoder.decode");
 		// 记录包头开始的index