diff --git a/computer-k8s-operator/src/main/java/com/baidu/hugegraph/computer/k8s/operator/controller/ComputerJobDeployer.java b/computer-k8s-operator/src/main/java/com/baidu/hugegraph/computer/k8s/operator/controller/ComputerJobDeployer.java
index 5de12a077..76a35b561 100644
--- a/computer-k8s-operator/src/main/java/com/baidu/hugegraph/computer/k8s/operator/controller/ComputerJobDeployer.java
+++ b/computer-k8s-operator/src/main/java/com/baidu/hugegraph/computer/k8s/operator/controller/ComputerJobDeployer.java
@@ -93,6 +93,7 @@ public class ComputerJobDeployer {
     private static final String TRANSPORT_PORT_NAME = "transport-port";
     private static final String RPC_PORT_NAME = "rpc-port";
     private static final int DEFAULT_TRANSPORT_PORT = 8099;
+    private static final int DEFAULT_RPC_PORT = 8190;
     private static final String COMPUTER_CONFIG_MAP_VOLUME = "computer-config-map-volume";
 
     private static final String POD_IP_KEY = "status.podIP";
@@ -196,13 +197,18 @@ private Set<ContainerPort> handleConfig(ComputerJobSpec spec) {
             config.put(ComputerOptions.TRANSPORT_SERVER_PORT.name(),
                        transportPort);
         }
-
         ContainerPort transportContainerPort = new ContainerPortBuilder()
                 .withName(TRANSPORT_PORT_NAME)
                 .withContainerPort(Integer.valueOf(transportPort))
                 .withProtocol(PROTOCOL)
                 .build();
-        String rpcPort = config.getOrDefault(ComputerOptions.RPC_SERVER_PORT.name(), RANDOM_PORT);
+
+        String rpcPort = config.get(
+                ComputerOptions.RPC_SERVER_PORT.name());
+        if (StringUtils.isBlank(rpcPort) || RANDOM_PORT.equals(rpcPort)) {
+            rpcPort = String.valueOf(DEFAULT_RPC_PORT);
+            config.put(ComputerOptions.RPC_SERVER_PORT.name(), rpcPort);
+        }
         ContainerPort rpcContainerPort = new ContainerPortBuilder()
                 .withName(RPC_PORT_NAME)
                 .withContainerPort(Integer.valueOf(rpcPort))