netty长度只能是 1 2 4 6 8

src/main/java/com/persagy/client/GroupNettyClient.java

@@ -79,8 +79,8 @@ public class GroupNettyClient {
                     .handler(new ChannelInitializer<SocketChannel>() {
                         @Override
                         protected void initChannel(SocketChannel ch) throws Exception {
-                            ch.pipeline().addLast(new LengthFieldBasedFrameDecoder(Integer.MAX_VALUE, 0, 6, 0, 6));
-                            ch.pipeline().addLast(new LengthFieldPrepender(6));
+                            ch.pipeline().addLast(new LengthFieldBasedFrameDecoder(Integer.MAX_VALUE, 0, 8, 0, 8));
+                            ch.pipeline().addLast(new LengthFieldPrepender(8));
                             // 将分隔之后的字节数据转换为字符串
                             ch.pipeline().addLast(new StringDecoder());
                             ch.pipeline().addLast(new StringEncoder());