diff --git a/dubbo-remoting/dubbo-remoting-api/src/main/java/org/apache/dubbo/remoting/netty4/DubboHttp2ConnectionHandler.java b/dubbo-remoting/dubbo-remoting-api/src/main/java/org/apache/dubbo/remoting/netty4/DubboHttp2ConnectionHandler.java
index e52e102d841..6d5734f7398 100644
--- a/dubbo-remoting/dubbo-remoting-api/src/main/java/org/apache/dubbo/remoting/netty4/DubboHttp2ConnectionHandler.java
+++ b/dubbo-remoting/dubbo-remoting-api/src/main/java/org/apache/dubbo/remoting/netty4/DubboHttp2ConnectionHandler.java
@@ -6,8 +6,6 @@
 import io.netty.channel.ChannelFutureListener;
 import io.netty.channel.ChannelHandlerContext;
 import io.netty.channel.ChannelPromise;
-import io.netty.handler.codec.http.HttpServerUpgradeHandler;
-import io.netty.handler.codec.http2.CleartextHttp2ServerUpgradeHandler;
 import io.netty.handler.codec.http2.Http2Connection;
 import io.netty.handler.codec.http2.Http2ConnectionDecoder;
 import io.netty.handler.codec.http2.Http2ConnectionEncoder;
@@ -18,10 +16,13 @@
 import static io.netty.util.CharsetUtil.UTF_8;
 
 public class DubboHttp2ConnectionHandler extends Http2ConnectionHandler {
-    private ChannelHandlerContext ctx;
+
+    static final long GRACEFUL_SHUTDOWN_PING = 0x97ACEF001L;
+    private final Http2ConnectionEncoder encoder;
 
     protected DubboHttp2ConnectionHandler(Http2ConnectionDecoder decoder, Http2ConnectionEncoder encoder, Http2Settings initialSettings) {
         super(decoder, encoder, initialSettings);
+        this.encoder = encoder;
     }
 
     @Override
@@ -33,6 +34,7 @@ public void close(ChannelHandlerContext ctx, ChannelPromise promise) throws Exce
             ByteBufUtil.writeAscii(ctx.alloc(), "app_requested"),
             ctx.newPromise());
 
+        encoder.writePing(ctx, false /* isAck */, GRACEFUL_SHUTDOWN_PING, ctx.newPromise());
 
         super.close(ctx, promise);
     }
@@ -51,8 +53,6 @@ public ChannelFuture goAway(final ChannelHandlerContext ctx, final int lastStrea
             return promise;
         }
 
-        // Need to retain before we write the buffer because if we do it after the refCnt could already be 0 and
-        // result in an IllegalRefCountException.
         debugData.retain();
         ChannelFuture future = encoder.frameWriter().writeGoAway(ctx, lastStreamId, errorCode, debugData, promise);
 
diff --git a/dubbo-rpc/dubbo-rpc-triple/src/main/java/org/apache/dubbo/rpc/protocol/tri/GrpcHttp2FrameListener.java b/dubbo-rpc/dubbo-rpc-triple/src/main/java/org/apache/dubbo/rpc/protocol/tri/GrpcHttp2FrameListener.java
index 749f4a3b3b2..d1bd379a557 100644
--- a/dubbo-rpc/dubbo-rpc-triple/src/main/java/org/apache/dubbo/rpc/protocol/tri/GrpcHttp2FrameListener.java
+++ b/dubbo-rpc/dubbo-rpc-triple/src/main/java/org/apache/dubbo/rpc/protocol/tri/GrpcHttp2FrameListener.java
@@ -41,8 +41,6 @@
 import org.apache.dubbo.rpc.model.ServiceRepository;
 
 import static io.netty.handler.codec.http.HttpResponseStatus.OK;
-import static io.netty.handler.codec.http2.Http2Error.NO_ERROR;
-import static io.netty.util.CharsetUtil.UTF_8;
 
 public class GrpcHttp2FrameListener extends Http2FrameAdapter {
     private TripleProtocol TRIPLE_PROTOCOL = TripleProtocol.getTripleProtocol();
@@ -96,9 +94,9 @@ public int onDataRead(ChannelHandlerContext ctx, int streamId, ByteBuf data, int
                             ByteBuf byteBuf = Marshaller.marshaller.marshaller(ctx.alloc(), response.getValue());
                             StreamData streamData = new StreamData(false, streamId, byteBuf);
                             ctx.channel().write(streamData);
-                            //final Http2Headers trailers = new DefaultHttp2Headers()
-                            //    .setInt(GrpcElf.GRPC_STATUS, Status.Code.OK.value());
-                            //ctx.channel().write(new StreamHeader(streamId, trailers, true));
+                            final Http2Headers trailers = new DefaultHttp2Headers()
+                                .setInt(GrpcElf.GRPC_STATUS, Status.Code.OK.value());
+                            ctx.channel().write(new StreamHeader(streamId, trailers, true));
                         }
                     } else {
                     }
@@ -115,6 +113,7 @@ private Invocation buildInvocation(Http2Headers http2Headers, ByteBuf data) {
         RpcInvocation inv = new RpcInvocation();
         final String path = http2Headers.path().toString();
         String[] parts = path.split("/");
+        // todo
         String serviceName = "io.grpc.examples.helloworld.IGreeter";
         String methodName = "sayHello";
         ServiceRepository repo = ApplicationModel.getServiceRepository();
@@ -187,10 +186,6 @@ public void onHeadersRead(ChannelHandlerContext ctx, int streamId, Http2Headers
         Http2Request request = new Http2Request(streamId, http2Stream, headers, streamKey, marshaller,
             ctx.alloc());
         http2Stream.setProperty(streamKey, request);
-
-        if (endStream) {
-
-        }
     }
 
 }