diff --git a/Rpc/Client.php b/Rpc/Client.php
index af06d124..b98e2b6f 100644
--- a/Rpc/Client.php
+++ b/Rpc/Client.php
@@ -7,6 +7,7 @@ namespace Rpc;
 use Exception;
 use Snowflake\Abstracts\Component;
 use Snowflake\Abstracts\Config;
+use Snowflake\Core\Json;
 use Snowflake\Exception\ConfigException;
 use Swoole\Coroutine\Client as CClient;
 
@@ -47,12 +48,12 @@ class Client extends Component
 				return $this->addError($this->client->errMsg . '(' . $this->client->errCode . ')');
 			}
 		}
-		$isSend = $this->client->send(serialize(['cmd' => $cmd, 'body' => $param]));
+		$isSend = $this->client->send(Json::encode(['cmd' => $cmd, 'body' => $param]));
 		if ($isSend === false) {
 			return $this->addError($this->client->errMsg . '(' . $this->client->errCode . ')');
 		}
 
-		if (is_bool($unpack = unserialize($this->client->recv()))) {
+		if (is_bool($unpack = Json::decode($this->client->recv()))) {
 			return $this->addError('Service return data format error(500)');
 		}
 		return $unpack;
diff --git a/Rpc/Service.php b/Rpc/Service.php
index aa14b044..7e429abf 100644
--- a/Rpc/Service.php
+++ b/Rpc/Service.php
@@ -73,10 +73,10 @@ class Service extends Component
 				if (($node = router()->find_path($this->replace($request, $service))) === null) {
 					throw new Exception('Cmd not find.');
 				}
-				return serialize($node->dispatch());
+				return Json::encode($node->dispatch());
 			} catch (\Throwable $exception) {
 				$this->addError($exception);
-				return serialize(['state' => 'fail', 'message' => $exception->getMessage()]);
+				return Json::encode(['state' => 'fail', 'message' => $exception->getMessage()]);
 			}
 		});
 	}