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 b38288860..ca27cc61e 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
@@ -27,7 +27,7 @@ public class StartAndLengthFieldFrameDecoder extends ByteToMessageDecoder {
 	@Override
 	protected void decode(ChannelHandlerContext ctx, ByteBuf buffer,
 						  List<Object> out) throws Exception {
-		System.out.println();
+		// System.out.println();
 		// log.info("打印ByteBuf:{}", buffer.toString());
 		// 可读长度必须大于基本长度
 		if (buffer.readableBytes() <= BASE_LENGTH) {