diff --git a/src/main/java/com/loafle/overflow/container/server/RPCServerHandler.java b/src/main/java/com/loafle/overflow/container/server/RPCServerHandler.java
index e19afb5..a979214 100644
--- a/src/main/java/com/loafle/overflow/container/server/RPCServerHandler.java
+++ b/src/main/java/com/loafle/overflow/container/server/RPCServerHandler.java
@@ -44,7 +44,9 @@ public class RPCServerHandler extends SimpleChannelInboundHandler<SocketFrame> {
         logger.debug("Error", e);
         error = e;
       }
-
+      if (!requestCodec.hasResponse()) {
+        return;
+      }
       byte[] responseBytes = requestCodec.response(reply, error);
       ctx.channel().writeAndFlush(responseBytes);
     } else {