diff --git a/dubbo-remoting/dubbo-remoting-api/src/main/java/org/apache/dubbo/remoting/netty4/PortUnificationServer.java b/dubbo-remoting/dubbo-remoting-api/src/main/java/org/apache/dubbo/remoting/netty4/PortUnificationServer.java
index a8eeb3e676b..75dea24437f 100644
--- a/dubbo-remoting/dubbo-remoting-api/src/main/java/org/apache/dubbo/remoting/netty4/PortUnificationServer.java
+++ b/dubbo-remoting/dubbo-remoting-api/src/main/java/org/apache/dubbo/remoting/netty4/PortUnificationServer.java
@@ -136,8 +136,7 @@ protected void initChannel(SocketChannel ch) throws Exception {
                             final ChannelPipeline p = ch.pipeline();
                             PortUnificationServerHandler negotiation = new PortUnificationServerHandler(protocols);
                             p.addLast("server-idle-handler", new IdleStateHandler(0, 0, idleTimeout, MILLISECONDS));
-                            p.addLast("negotiation",
-                                    new PortUnificationServerHandler(protocols));
+                            p.addLast("negotiation", negotiation);
                             channelGroup = negotiation.getChannels();
                         }
                     }
@@ -164,6 +163,7 @@ protected void doClose() throws Throwable {
             }
 
             channelGroup.close();
+            Thread.sleep(1000000);
         } catch (Throwable e) {
             logger.warn(e.getMessage(), e);
         }
diff --git a/dubbo-rpc/dubbo-rpc-triple/src/main/java/org/apache/dubbo/rpc/protocol/tri/GracefulShutdownHandler.java b/dubbo-rpc/dubbo-rpc-triple/src/main/java/org/apache/dubbo/rpc/protocol/tri/GracefulShutdownHandler.java
new file mode 100644
index 00000000000..a9da650bc6e
--- /dev/null
+++ b/dubbo-rpc/dubbo-rpc-triple/src/main/java/org/apache/dubbo/rpc/protocol/tri/GracefulShutdownHandler.java
@@ -0,0 +1,30 @@
+package org.apache.dubbo.rpc.protocol.tri;
+
+import io.netty.channel.ChannelDuplexHandler;
+import io.netty.channel.ChannelHandler.Sharable;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.channel.ChannelInboundHandlerAdapter;
+import io.netty.channel.ChannelPipeline;
+import io.netty.channel.ChannelPromise;
+import io.netty.handler.codec.http2.Http2ConnectionDecoder;
+import io.netty.handler.codec.http2.Http2ConnectionEncoder;
+import io.netty.handler.codec.http2.Http2FrameCodec;
+import io.netty.handler.codec.http2.Http2FrameCodecBuilder;
+import io.netty.handler.codec.http2.Http2MultiplexHandler;
+import io.netty.handler.codec.http2.Http2Settings;
+import io.netty.handler.ssl.SslContext;
+import org.apache.dubbo.common.extension.Activate;
+import org.apache.dubbo.remoting.netty4.Http2WireProtocol;
+
+
+public class GracefulShutdownHandler extends Http2FrameCodec {
+
+    public GracefulShutdownHandler() {
+    }
+
+    @Override
+    public void close(ChannelHandlerContext ctx, ChannelPromise promise) throws Exception {
+        super.close(ctx, promise);
+        new GracefulShutdown(ctx,"app_requested", null).gracefulShutdown();
+    }
+}
diff --git a/dubbo-rpc/dubbo-rpc-triple/src/main/java/org/apache/dubbo/rpc/protocol/tri/GrpcStatus.java b/dubbo-rpc/dubbo-rpc-triple/src/main/java/org/apache/dubbo/rpc/protocol/tri/GrpcStatus.java
index cbb768f176f..dc46bb8ac76 100644
--- a/dubbo-rpc/dubbo-rpc-triple/src/main/java/org/apache/dubbo/rpc/protocol/tri/GrpcStatus.java
+++ b/dubbo-rpc/dubbo-rpc-triple/src/main/java/org/apache/dubbo/rpc/protocol/tri/GrpcStatus.java
@@ -37,6 +37,7 @@ public TripleRpcException asException(){
     enum Code {
         OK(0),
         UNKNOWN(2),
+        DEADLINE_EXCEEDED(4),
         NOT_FOUND(5),
         RESOURCE_EXHAUSTED(8),
         UNIMPLEMENTED(12),
diff --git a/dubbo-rpc/dubbo-rpc-triple/src/main/java/org/apache/dubbo/rpc/protocol/tri/ServerStream.java b/dubbo-rpc/dubbo-rpc-triple/src/main/java/org/apache/dubbo/rpc/protocol/tri/ServerStream.java
index 7002ca621b7..efa8bc1d95f 100644
--- a/dubbo-rpc/dubbo-rpc-triple/src/main/java/org/apache/dubbo/rpc/protocol/tri/ServerStream.java
+++ b/dubbo-rpc/dubbo-rpc-triple/src/main/java/org/apache/dubbo/rpc/protocol/tri/ServerStream.java
@@ -16,6 +16,7 @@
 import org.apache.dubbo.common.logger.Logger;
 import org.apache.dubbo.common.logger.LoggerFactory;
 import org.apache.dubbo.common.serialize.Serialization2;
+import org.apache.dubbo.remoting.TimeoutException;
 import org.apache.dubbo.rpc.AppResponse;
 import org.apache.dubbo.rpc.Invocation;
 import org.apache.dubbo.rpc.Invoker;
@@ -32,6 +33,7 @@
 import io.netty.handler.codec.http2.DefaultHttp2Headers;
 import io.netty.handler.codec.http2.DefaultHttp2HeadersFrame;
 import io.netty.handler.codec.http2.Http2Headers;
+import org.apache.dubbo.rpc.protocol.tri.GrpcStatus.Code;
 
 import java.io.IOException;
 import java.util.concurrent.CompletionStage;
@@ -83,6 +85,9 @@ public void halfClose() {
         future.whenComplete((appResult, t) -> {
             try {
                 if (t != null) {
+                    if (t instanceof TimeoutException) {
+                        responseErr(ctx, GrpcStatus.fromCode(Code.DEADLINE_EXCEEDED).withCause(t));
+                    }
                     responseErr(ctx, GrpcStatus.fromCode(GrpcStatus.Code.UNKNOWN).withCause(t));
                     return;
                 }
diff --git a/dubbo-rpc/dubbo-rpc-triple/src/main/java/org/apache/dubbo/rpc/protocol/tri/TripleHttp2Protocol.java b/dubbo-rpc/dubbo-rpc-triple/src/main/java/org/apache/dubbo/rpc/protocol/tri/TripleHttp2Protocol.java
index d84a9aa6750..19429483208 100644
--- a/dubbo-rpc/dubbo-rpc-triple/src/main/java/org/apache/dubbo/rpc/protocol/tri/TripleHttp2Protocol.java
+++ b/dubbo-rpc/dubbo-rpc-triple/src/main/java/org/apache/dubbo/rpc/protocol/tri/TripleHttp2Protocol.java
@@ -28,6 +28,7 @@ public void configServerPipeline(ChannelPipeline pipeline) {
                 .frameLogger(SERVER_LOGGER)
                 .build();
         final Http2MultiplexHandler handler = new Http2MultiplexHandler(new TripleServerInitializer());
+        pipeline.addLast("gracefulShutdown", new GracefulShutdownHandler());
         pipeline.addLast(codec, handler);
     }