diff --git a/cpp/wedpr-protocol/protobuf/src/NodeInfoImpl.cpp b/cpp/wedpr-protocol/protobuf/src/NodeInfoImpl.cpp
index 131a7eda..f7deddf7 100644
--- a/cpp/wedpr-protocol/protobuf/src/NodeInfoImpl.cpp
+++ b/cpp/wedpr-protocol/protobuf/src/NodeInfoImpl.cpp
@@ -32,6 +32,7 @@ void NodeInfoImpl::encode(bcos::bytes& data) const
 void NodeInfoImpl::encodeFields() const
 {
     bcos::ReadGuard l(x_components);
+    m_rawNodeInfo->clear_components();
     // set the components
     for (auto const& component : m_components)
     {
diff --git a/cpp/wedpr-transport/ppc-gateway/ppc-gateway/gateway/router/GatewayNodeInfoImpl.cpp b/cpp/wedpr-transport/ppc-gateway/ppc-gateway/gateway/router/GatewayNodeInfoImpl.cpp
index c6bc0d95..95721ec7 100644
--- a/cpp/wedpr-transport/ppc-gateway/ppc-gateway/gateway/router/GatewayNodeInfoImpl.cpp
+++ b/cpp/wedpr-transport/ppc-gateway/ppc-gateway/gateway/router/GatewayNodeInfoImpl.cpp
@@ -117,6 +117,12 @@ bool GatewayNodeInfoImpl::tryAddNodeInfo(INodeInfo::Ptr const& info, bool& updat
             GATEWAY_LOG(INFO) << LOG_DESC("tryAddNodeInfo, update the components, updated nodeInfo")
                               << printNodeInfo(existedNodeInfo);
         }
+        // the existed node re-encode
+        if (updated)
+        {
+            auto nodeInfo = std::dynamic_pointer_cast<NodeInfoImpl>(existedNodeInfo);
+            nodeInfo->encodeFields();
+        }
         return false;
     }
     {
diff --git a/cpp/wedpr-transport/ppc-gateway/ppc-gateway/gateway/router/LocalRouter.cpp b/cpp/wedpr-transport/ppc-gateway/ppc-gateway/gateway/router/LocalRouter.cpp
index 9e09e4b2..794cca9f 100644
--- a/cpp/wedpr-transport/ppc-gateway/ppc-gateway/gateway/router/LocalRouter.cpp
+++ b/cpp/wedpr-transport/ppc-gateway/ppc-gateway/gateway/router/LocalRouter.cpp
@@ -29,9 +29,10 @@ using namespace ppc::gateway;
 bool LocalRouter::registerNodeInfo(ppc::protocol::INodeInfo::Ptr nodeInfo,
     std::function<void()> onUnHealthHandler, bool removeHandlerOnUnhealth)
 {
-    LOCAL_ROUTER_LOG(DEBUG) << LOG_DESC("registerNodeInfo") << printNodeInfo(nodeInfo);
     bool updated = false;
     auto ret = m_routerInfo->tryAddNodeInfo(nodeInfo, updated);
+    LOCAL_ROUTER_LOG(DEBUG) << LOG_DESC("registerNodeInfo") << printNodeInfo(nodeInfo)
+                            << LOG_KV("updated", updated);
     if (ret)
     {
         // only create the frontClient when update
diff --git a/cpp/wedpr-transport/ppc-gateway/test/unittests/GatewayNodeInfoImplTest.cpp b/cpp/wedpr-transport/ppc-gateway/test/unittests/GatewayNodeInfoImplTest.cpp
index 0a2f80e4..0b094f6f 100644
--- a/cpp/wedpr-transport/ppc-gateway/test/unittests/GatewayNodeInfoImplTest.cpp
+++ b/cpp/wedpr-transport/ppc-gateway/test/unittests/GatewayNodeInfoImplTest.cpp
@@ -77,7 +77,8 @@ void registerNode(GatewayNodeInfoImpl::Ptr gatewayNodeInfo, int nodeSize)
         auto populatedNodeID = nodeID + std::to_string(i);
         auto nodeInfo = fakeNodeInfo(nodeInfoFactory, populatedNodeID, endPoint, components);
         testNodeInfoEncodeDecode(nodeInfoFactory, nodeInfo);
-        gatewayNodeInfo->tryAddNodeInfo(nodeInfo);
+        bool updated = false;
+        gatewayNodeInfo->tryAddNodeInfo(nodeInfo, updated);
     }
 }
 
diff --git a/docker-files/cpp/Dockerfile b/docker-files/cpp/Dockerfile
index 144d02ec..e83deee6 100644
--- a/docker-files/cpp/Dockerfile
+++ b/docker-files/cpp/Dockerfile
@@ -67,7 +67,7 @@ CMD ["--version"]
 FROM fiscoorg/wedpr-mpc-base-ubuntu:v3.0.0 as wedpr-mpc-service
 LABEL maintainer=service@webank.com
 
-RUN apt-get -q update && apt-get install -qy --no-install-recommends vim libkrb5-dev python3.11 python3-pip python3-dev telnet tcpdump \
+RUN apt-get -q update && apt-get install -qy --no-install-recommends vim libkrb5-dev python3.11 python3-pip python3-dev telnet tcpdump net-tools\
         && rm -f /usr/bin/python && ln -s /usr/bin/python3.11 /usr/bin/python  \
         && rm -f /usr/bin/python3 && ln -s /usr/bin/python3.11 /usr/bin/python3  \
         && ln -fs /usr/share/zoneinfo/Asia/Shanghai /etc/localtime \