diff --git a/CHANGELOG.md b/CHANGELOG.md
index c583422b2b..e9bce43e5e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -92,6 +92,7 @@ Now:
 
 - [#448](https://github.com/hyperf-cloud/hyperf/pull/448) Fixed TCP Server does not works when HTTP Server or WebSocket Server exists.
 - [#623](https://github.com/hyperf-cloud/hyperf/pull/623) Fixed the argument value will be replaced by default value when pass a `null` to the method of proxy class.
+- [#647](https://github.com/hyperf-cloud/hyperf/pull/647) Append `eof` to TCP response, according to the server configuration.
 
 # v1.0.16 - 2019-09-20
 
diff --git a/src/rpc-server/src/Server.php b/src/rpc-server/src/Server.php
index 5c64ebe701..1b3a22e84e 100644
--- a/src/rpc-server/src/Server.php
+++ b/src/rpc-server/src/Server.php
@@ -126,7 +126,7 @@ public function onReceive(SwooleServer $server, int $fd, int $fromId, string $da
                 $response = $this->transferToResponse($response);
             }
             if ($response) {
-                $server->send($fd, (string) $response->getBody());
+                $this->send($server, $fd, $response);
             }
         }
     }
@@ -139,6 +139,22 @@ public function onConnect(SwooleServer $server)
         $this->logger->debug(sprintf('Connect to %s:%d', $port->host, $port->port));
     }
 
+    protected function send(SwooleServer $server, int $fd, ResponseInterface $response): void
+    {
+        $eof = $server->setting['package_eof'] ?? '';
+        $serverPort = $server->getClientInfo($fd)['server_port'] ?? null;
+        if ($serverPort) {
+            foreach ($server->ports ?? [] as $port) {
+                if ($port->port === $serverPort) {
+                    $eof = $port->setting['package_eof'] ?? $eof;
+                    break;
+                }
+            }
+        }
+
+        $server->send($fd, (string) $response->getBody() . $eof);
+    }
+
     abstract protected function createCoreMiddleware(): CoreMiddlewareInterface;
 
     abstract protected function buildRequest(int $fd, int $fromId, string $data): ServerRequestInterface;