diff --git a/bcos-executor/src/precompiled/SystemConfigPrecompiled.cpp b/bcos-executor/src/precompiled/SystemConfigPrecompiled.cpp
index 57d6a4648e..83f8d1cf33 100644
--- a/bcos-executor/src/precompiled/SystemConfigPrecompiled.cpp
+++ b/bcos-executor/src/precompiled/SystemConfigPrecompiled.cpp
@@ -37,6 +37,8 @@ using namespace bcos::executor;
 using namespace bcos::ledger;
 using namespace bcos::protocol;
 
+using namespace std::string_view_literals;
+
 const char* const SYSCONFIG_METHOD_SET_STR = "setValueByKey(string,string)";
 const char* const SYSCONFIG_METHOD_GET_STR = "getValueByKey(string)";
 
@@ -46,6 +48,7 @@ SystemConfigPrecompiled::SystemConfigPrecompiled() : Precompiled(GlobalHashImpl:
         getFuncSelector(SYSCONFIG_METHOD_SET_STR, GlobalHashImpl::g_hashImpl);
     name2Selector[SYSCONFIG_METHOD_GET_STR] =
         getFuncSelector(SYSCONFIG_METHOD_GET_STR, GlobalHashImpl::g_hashImpl);
+
     auto defaultCmp = [](std::string_view _key, int64_t _value, int64_t _minValue) {
         if (_value < _minValue)
         {
diff --git a/bcos-executor/src/precompiled/common/Utilities.cpp b/bcos-executor/src/precompiled/common/Utilities.cpp
index b9225a05b6..672aedd9e1 100644
--- a/bcos-executor/src/precompiled/common/Utilities.cpp
+++ b/bcos-executor/src/precompiled/common/Utilities.cpp
@@ -231,9 +231,11 @@ uint32_t bcos::precompiled::getParamFunc(bytesConstRef _param)
 }
 
 uint32_t bcos::precompiled::getFuncSelectorByFunctionName(
-    std::string const& _functionName, const crypto::Hash::Ptr& _hashImpl)
+    std::string_view _functionName, const crypto::Hash::Ptr& _hashImpl)
 {
-    uint32_t func = *(uint32_t*)(_hashImpl->hash(_functionName).ref().getCroppedData(0, 4).data());
+    auto hash = _hashImpl->hash(
+        bytesConstRef((const unsigned char*)_functionName.data(), _functionName.size()));
+    uint32_t func = *(uint32_t*)hash.ref().getCroppedData(0, 4).data();
     uint32_t selector = ((func & 0x000000FF) << 24) | ((func & 0x0000FF00) << 8) |
                         ((func & 0x00FF0000) >> 8) | ((func & 0xFF000000) >> 24);
     return selector;
diff --git a/bcos-executor/src/precompiled/common/Utilities.h b/bcos-executor/src/precompiled/common/Utilities.h
index c3fe21d297..81d4543f80 100644
--- a/bcos-executor/src/precompiled/common/Utilities.h
+++ b/bcos-executor/src/precompiled/common/Utilities.h
@@ -101,7 +101,7 @@ uint32_t getFuncSelector(std::string const& _functionName,
 void clearName2SelectCache();
 uint32_t getParamFunc(bytesConstRef _param);
 uint32_t getFuncSelectorByFunctionName(
-    std::string const& _functionName, const crypto::Hash::Ptr& _hashImpl);
+    std::string_view _functionName, const crypto::Hash::Ptr& _hashImpl);
 
 bcos::precompiled::ContractStatus getContractStatus(
     std::shared_ptr<bcos::executor::TransactionExecutive> _executive,
diff --git a/bcos-framework/bcos-framework/multigroup/ChainNodeInfo.h b/bcos-framework/bcos-framework/multigroup/ChainNodeInfo.h
index d810bb79c8..1672c055de 100644
--- a/bcos-framework/bcos-framework/multigroup/ChainNodeInfo.h
+++ b/bcos-framework/bcos-framework/multigroup/ChainNodeInfo.h
@@ -23,6 +23,7 @@
 #include "bcos-framework/protocol/Protocol.h"
 #include "bcos-framework/protocol/ProtocolInfo.h"
 #include "bcos-framework/protocol/ServiceDesc.h"
+#include "bcos-utilities/Ranges.h"
 #include <bcos-utilities/Common.h>
 #include <memory>
 namespace bcos
@@ -48,7 +49,7 @@ class ChainNodeInfo
         m_nodeCryptoType = (NodeCryptoType)_type;
     }
 
-    virtual ~ChainNodeInfo() {}
+    virtual ~ChainNodeInfo() = default;
 
     virtual std::string const& nodeName() const { return m_nodeName; }
     virtual NodeCryptoType const& nodeCryptoType() const { return m_nodeCryptoType; }
@@ -94,10 +95,7 @@ class ChainNodeInfo
     bcos::protocol::NodeType nodeType() const { return m_nodeType; }
 
     bcos::protocol::ProtocolInfo::ConstPtr nodeProtocol() const { return m_nodeProtocol; }
-    void setNodeProtocol(bcos::protocol::ProtocolInfo&& _protocol)
-    {
-        *m_nodeProtocol = std::move(_protocol);
-    }
+    void setNodeProtocol(bcos::protocol::ProtocolInfo&& _protocol) { *m_nodeProtocol = _protocol; }
 
     void setNodeProtocol(bcos::protocol::ProtocolInfo const& _protocol)
     {
@@ -113,7 +111,19 @@ class ChainNodeInfo
     void setCompatibilityVersion(uint32_t _version) { m_compatibilityVersion = _version; }
     uint32_t compatibilityVersion() const { return m_compatibilityVersion; }
 
-protected:
+    auto const& featureKeys() const { return m_featureKeys; }
+    void setFeatureKeys(RANGES::input_range auto&& featureKeys)
+        requires std::same_as<std::decay_t<RANGES::range_value_t<decltype(featureKeys)>>,
+            std::string>
+    {
+        m_featureKeys.clear();
+        for (auto&& key : featureKeys)
+        {
+            m_featureKeys.emplace_back(std::forward<decltype(key)>(key));
+        }
+    }
+
+private:
     bool m_microService = false;
     // the node name
     std::string m_nodeName;
@@ -132,6 +142,8 @@ class ChainNodeInfo
     // the node protocol
     bcos::protocol::ProtocolInfo::Ptr m_nodeProtocol;
 
+    std::vector<std::string> m_featureKeys;
+
     // the system version
     uint32_t m_compatibilityVersion;
 
diff --git a/bcos-framework/bcos-framework/multigroup/GroupInfo.h b/bcos-framework/bcos-framework/multigroup/GroupInfo.h
index ee8dac7f93..69fdc6dddf 100644
--- a/bcos-framework/bcos-framework/multigroup/GroupInfo.h
+++ b/bcos-framework/bcos-framework/multigroup/GroupInfo.h
@@ -21,19 +21,18 @@
 #pragma once
 #include "ChainNodeInfoFactory.h"
 #include "GroupTypeDef.h"
-namespace bcos
-{
-namespace group
+#include <utility>
+namespace bcos::group
 {
 class GroupInfo
 {
 public:
     using Ptr = std::shared_ptr<GroupInfo>;
     GroupInfo() = default;
-    GroupInfo(std::string const& _chainID, std::string const& _groupID)
-      : m_chainID(_chainID), m_groupID(_groupID)
+    GroupInfo(std::string _chainID, std::string _groupID)
+      : m_chainID(std::move(_chainID)), m_groupID(std::move(_groupID))
     {}
-    virtual ~GroupInfo() {}
+    virtual ~GroupInfo() = default;
 
     virtual std::string const& genesisConfig() const { return m_genesisConfig; }
     virtual std::string const& iniConfig() const { return m_iniConfig; }
@@ -60,7 +59,7 @@ class GroupInfo
     {
         UpgradableGuard l(x_nodeInfos);
         auto const& nodeName = _nodeInfo->nodeName();
-        if (m_nodeInfos.count(nodeName))
+        if (m_nodeInfos.contains(nodeName))
         {
             return false;
         }
@@ -73,7 +72,7 @@ class GroupInfo
     {
         WriteGuard l(x_nodeInfos);
         auto const& nodeName = _nodeInfo->nodeName();
-        if (m_nodeInfos.count(nodeName))
+        if (m_nodeInfos.contains(nodeName))
         {
             *(m_nodeInfos[nodeName]) = *_nodeInfo;
             return;
@@ -84,7 +83,7 @@ class GroupInfo
     virtual bool removeNodeInfo(std::string const& _nodeName)
     {
         UpgradableGuard l(x_nodeInfos);
-        if (!m_nodeInfos.count(_nodeName))
+        if (!m_nodeInfos.contains(_nodeName))
         {
             return false;
         }
@@ -101,8 +100,19 @@ class GroupInfo
         return m_nodeInfos.size();
     }
 
-    // return copied nodeInfos to ensure thread-safe
-    auto nodeInfos() { return m_nodeInfos; }
+    auto nodeInfos() const
+    {
+        ReadGuard l(x_nodeInfos);
+        return m_nodeInfos;
+    }
+
+    // Use range with lock
+    auto nodeInfoList() const
+    {
+        return m_nodeInfos |
+               RANGES::views::transform([lock = std::make_shared<ReadGuard>(x_nodeInfos)](
+                                            auto const& pair) -> auto& { return pair; });
+    }
 
     bcos::group::ChainNodeInfoFactory::Ptr chainNodeInfoFactory() const
     {
@@ -111,7 +121,7 @@ class GroupInfo
 
     void setChainNodeInfoFactory(bcos::group::ChainNodeInfoFactory::Ptr _chainNodeInfoFactory)
     {
-        m_chainNodeInfoFactory = _chainNodeInfoFactory;
+        m_chainNodeInfoFactory = std::move(_chainNodeInfoFactory);
     }
 
     bool wasm() const { return m_wasm; }
@@ -119,7 +129,7 @@ class GroupInfo
     virtual void setWasm(bool _wasm) { m_wasm = _wasm; }
     virtual void setSmCryptoType(bool _smCryptoType) { m_smCryptoType = _smCryptoType; }
 
-protected:
+private:
     bool m_wasm{false};
     bool m_smCryptoType{false};
 
@@ -136,7 +146,7 @@ class GroupInfo
     mutable SharedMutex x_nodeInfos;
 };
 
-inline std::string printGroupInfo(GroupInfo::Ptr _groupInfo)
+inline std::string printGroupInfo(const GroupInfo::Ptr& _groupInfo)
 {
     if (!_groupInfo)
     {
@@ -147,5 +157,4 @@ inline std::string printGroupInfo(GroupInfo::Ptr _groupInfo)
         << LOG_KV("nodeSize", _groupInfo->nodesNum());
     return oss.str();
 }
-}  // namespace group
-}  // namespace bcos
\ No newline at end of file
+}  // namespace bcos::group
\ No newline at end of file
diff --git a/bcos-rpc/bcos-rpc/Rpc.cpp b/bcos-rpc/bcos-rpc/Rpc.cpp
index cedb59adf2..c18e7bc8c5 100644
--- a/bcos-rpc/bcos-rpc/Rpc.cpp
+++ b/bcos-rpc/bcos-rpc/Rpc.cpp
@@ -156,7 +156,7 @@ void Rpc::notifyGroupInfo(bcos::group::GroupInfo::Ptr _groupInfo)
             continue;
         }
         Json::Value groupInfoJson;
-        groupInfoToJson(groupInfoJson, _groupInfo);
+        groupInfoToJson(groupInfoJson, *_groupInfo);
         auto response = groupInfoJson.toStyledString();
         auto message = m_wsService->messageFactory()->buildMessage();
         message->setPacketType(bcos::protocol::MessageType::GROUP_NOTIFY);
diff --git a/bcos-rpc/bcos-rpc/groupmgr/GroupManager.h b/bcos-rpc/bcos-rpc/groupmgr/GroupManager.h
index e8c8b73632..db9fefd005 100644
--- a/bcos-rpc/bcos-rpc/groupmgr/GroupManager.h
+++ b/bcos-rpc/bcos-rpc/groupmgr/GroupManager.h
@@ -103,7 +103,7 @@ class GroupManager : public std::enable_shared_from_this<GroupManager>
         bcos::protocol::BlockNumber _blockNumber)
     {
         UpgradableGuard l(x_groupBlockInfos);
-        if (m_groupBlockInfos.count(_groupID))
+        if (m_groupBlockInfos.contains(_groupID))
         {
             // expired block
             if (m_groupBlockInfos[_groupID] > _blockNumber)
@@ -112,23 +112,23 @@ class GroupManager : public std::enable_shared_from_this<GroupManager>
             }
             // has already in the m_nodesWithLatestBlockNumber
             if (m_groupBlockInfos[_groupID] == _blockNumber &&
-                m_nodesWithLatestBlockNumber.count(_groupID) &&
-                m_nodesWithLatestBlockNumber[_groupID].count(_nodeName))
+                m_nodesWithLatestBlockNumber.contains(_groupID) &&
+                m_nodesWithLatestBlockNumber[_groupID].contains(_nodeName))
             {
                 return;
             }
         }
         UpgradeGuard ul(l);
         bcos::protocol::BlockNumber oldBlockNumber = 0;
-        if (m_groupBlockInfos.count(_groupID))
+        if (m_groupBlockInfos.contains(_groupID))
         {
             oldBlockNumber = m_groupBlockInfos[_groupID];
         }
-        if (!m_nodesWithLatestBlockNumber.count(_groupID))
+        if (!m_nodesWithLatestBlockNumber.contains(_groupID))
         {
             m_nodesWithLatestBlockNumber[_groupID] = std::set<std::string>();
         }
-        if (!m_groupBlockInfos.count(_groupID))
+        if (!m_groupBlockInfos.contains(_groupID))
         {
             m_groupBlockInfos[_groupID] = _blockNumber;
         }
@@ -156,12 +156,12 @@ class GroupManager : public std::enable_shared_from_this<GroupManager>
         std::function<void(std::string const&, std::string const&, bcos::protocol::BlockNumber)>
             _blockNumberNotifier)
     {
-        m_blockNumberNotifier = _blockNumberNotifier;
+        m_blockNumberNotifier = std::move(_blockNumberNotifier);
     }
     virtual bcos::protocol::BlockNumber getBlockNumberByGroup(const std::string& _groupID);
 
 protected:
-    GroupManager(std::string const& _chainID) : m_chainID(_chainID) {}
+    GroupManager(std::string _chainID) : m_chainID(std::move(_chainID)) {}
 
     bool updateGroupServices(bcos::group::GroupInfo::Ptr _groupInfo, bool _enforceUpdate);
     bool updateNodeService(std::string const& _groupID, bcos::group::ChainNodeInfo::Ptr _nodeInfo,
diff --git a/bcos-rpc/bcos-rpc/jsonrpc/Common.h b/bcos-rpc/bcos-rpc/jsonrpc/Common.h
index 219e402fbd..99c1c76494 100644
--- a/bcos-rpc/bcos-rpc/jsonrpc/Common.h
+++ b/bcos-rpc/bcos-rpc/jsonrpc/Common.h
@@ -26,31 +26,13 @@
 
 #define RPC_IMPL_LOG(LEVEL) BCOS_LOG(LEVEL) << "[RPC][JSONRPC]"
 
-namespace bcos
+namespace bcos::rpc
 {
-namespace rpc
-{
-struct NodeInfo
-{
-    std::string version;
-    std::string supportedVersion;
-    std::string nodeID;
-    std::string chainID;
-    std::string groupID;
-    std::string agency;
-    std::string buildTime;
-    std::string gitCommitHash;
-    bool isWasm;
-    bool isSM;
-};
-
 class JsonRpcException : public std::exception
 {
 public:
     JsonRpcException(int32_t _code, std::string const& _msg) : m_code(_code), m_msg(_msg) {}
     const char* what() const noexcept override { return m_msg.c_str(); }
-
-public:
     int32_t code() const noexcept { return m_code; }
     std::string msg() const noexcept { return m_msg; }
 
@@ -132,18 +114,24 @@ inline void nodeInfoToJson(Json::Value& _response, bcos::group::ChainNodeInfo::P
     protocolResponse["minSupportedVersion"] = protocol->minVersion();
     protocolResponse["maxSupportedVersion"] = protocol->maxVersion();
     protocolResponse["compatibilityVersion"] = _nodeInfo->compatibilityVersion();
+
+    auto featureKeys = Json::Value(Json::arrayValue);
+    for (auto const& key : _nodeInfo->featureKeys())
+    {
+        featureKeys.append(key);
+    }
+    _response["featureKeys"] = std::move(featureKeys);
     _response["protocol"] = protocolResponse;
 }
 
-inline void groupInfoToJson(Json::Value& _response, bcos::group::GroupInfo::Ptr _groupInfo)
+inline void groupInfoToJson(Json::Value& _response, bcos::group::GroupInfo const& _groupInfo)
 {
-    _response["chainID"] = _groupInfo->chainID();
-    _response["groupID"] = _groupInfo->groupID();
-    _response["genesisConfig"] = _groupInfo->genesisConfig();
-    _response["iniConfig"] = _groupInfo->iniConfig();
+    _response["chainID"] = _groupInfo.chainID();
+    _response["groupID"] = _groupInfo.groupID();
+    _response["genesisConfig"] = _groupInfo.genesisConfig();
+    _response["iniConfig"] = _groupInfo.iniConfig();
     _response["nodeList"] = Json::Value(Json::arrayValue);
-    auto nodeInfos = _groupInfo->nodeInfos();
-    for (auto const& it : nodeInfos)
+    for (auto const& it : _groupInfo.nodeInfoList())
     {
         Json::Value nodeInfoResponse;
         nodeInfoToJson(nodeInfoResponse, it.second);
@@ -157,9 +145,8 @@ inline void groupInfoListToJson(
     for (const auto& groupInfo : _groupInfoList)
     {
         Json::Value item;
-        groupInfoToJson(item, groupInfo);
+        groupInfoToJson(item, *groupInfo);
         _response.append(item);
     }
 }
-}  // namespace rpc
-}  // namespace bcos
\ No newline at end of file
+}  // namespace bcos::rpc
\ No newline at end of file
diff --git a/bcos-rpc/bcos-rpc/jsonrpc/JsonRpcImpl_2_0.cpp b/bcos-rpc/bcos-rpc/jsonrpc/JsonRpcImpl_2_0.cpp
index e67968e4c2..48613a8038 100644
--- a/bcos-rpc/bcos-rpc/jsonrpc/JsonRpcImpl_2_0.cpp
+++ b/bcos-rpc/bcos-rpc/jsonrpc/JsonRpcImpl_2_0.cpp
@@ -1204,7 +1204,7 @@ void JsonRpcImpl_2_0::getGroupInfo(std::string_view _groupID, RespFunc _respFunc
     if (groupInfo)
     {
         // can only recover the deleted group
-        groupInfoToJson(response, groupInfo);
+        groupInfoToJson(response, *groupInfo);
     }
     _respFunc(nullptr, response);
 }
diff --git a/bcos-rpc/bcos-rpc/jsonrpc/JsonRpcImpl_2_0.h b/bcos-rpc/bcos-rpc/jsonrpc/JsonRpcImpl_2_0.h
index b959c48fb2..5e196cb068 100644
--- a/bcos-rpc/bcos-rpc/jsonrpc/JsonRpcImpl_2_0.h
+++ b/bcos-rpc/bcos-rpc/jsonrpc/JsonRpcImpl_2_0.h
@@ -113,8 +113,6 @@ class JsonRpcImpl_2_0 : public JsonRpcInterface,
 
     void getGroupBlockNumber(RespFunc _respFunc) override;
 
-    void setNodeInfo(const NodeInfo& _nodeInfo) { m_nodeInfo = _nodeInfo; }
-    NodeInfo nodeInfo() const { return m_nodeInfo; }
     GroupManager::Ptr groupManager() { return m_groupManager; }
 
     int sendTxTimeout() const { return m_sendTxTimeout; }
@@ -161,7 +159,6 @@ class JsonRpcImpl_2_0 : public JsonRpcInterface,
     bcos::gateway::GatewayInterface::Ptr m_gatewayInterface;
     std::shared_ptr<boostssl::ws::WsService> m_wsService;
 
-    NodeInfo m_nodeInfo;
     // Note: here clientID must non-empty for the rpc will set clientID as source for the tx for
     // tx-notify and the scheduler will not notify the tx-result if the tx source is empty
     std::string m_clientID = "localRpc";
diff --git a/libinitializer/PBFTInitializer.cpp b/libinitializer/PBFTInitializer.cpp
index 0554ddb114..56f8153d69 100644
--- a/libinitializer/PBFTInitializer.cpp
+++ b/libinitializer/PBFTInitializer.cpp
@@ -19,6 +19,7 @@
  * @date 2021-06-10
  */
 #include "PBFTInitializer.h"
+#include "bcos-framework/ledger/Features.h"
 #include <bcos-framework/election/FailOverTypeDef.h>
 #include <bcos-framework/protocol/GlobalConfig.h>
 #include <bcos-framework/storage/KVStorageHelper.h>
@@ -169,6 +170,9 @@ void PBFTInitializer::initChainNodeInfo(
     auto nodeProtocolInfo = g_BCOSConfig.protocolInfo(ProtocolModuleID::NodeService);
     m_nodeInfo->setNodeProtocol(*nodeProtocolInfo);
     m_nodeInfo->setCompatibilityVersion(m_pbft->compatibilityVersion());
+    m_nodeInfo->setFeatureKeys(
+        ledger::Features::featureKeys() |
+        RANGES::views::transform([](std::string_view view) { return std::string(view); }));
     m_groupInfo->appendNodeInfo(m_nodeInfo);
     INITIALIZER_LOG(INFO) << LOG_DESC("PBFTInitializer::initChainNodeInfo")
                           << LOG_KV("nodeType", m_nodeInfo->nodeType())