diff --git a/mindspore/ccsrc/ps/core/abstract_node.cc b/mindspore/ccsrc/ps/core/abstract_node.cc
index 0e867dd767..105cbd7357 100644
--- a/mindspore/ccsrc/ps/core/abstract_node.cc
+++ b/mindspore/ccsrc/ps/core/abstract_node.cc
@@ -390,11 +390,9 @@ bool AbstractNode::Disconnect(const std::shared_ptr<TcpClient> &client, const ui
   auto meta = std::make_shared<MessageMeta>();
   meta->set_cmd(NodeCommand::FINISH);
 
-  FinishMessage finish_message;
-  finish_message.set_node_id(node_info_.node_id_);
+  std::string finish_message = node_info_.node_id_;
 
-  if (!SendMessageSync(client, meta, Protos::PROTOBUF, finish_message.SerializeAsString().data(),
-                       finish_message.ByteSizeLong())) {
+  if (!SendMessageSync(client, meta, Protos::RAW, finish_message.data(), finish_message.length())) {
     MS_LOG(WARNING) << "The node role:" << CommUtil::NodeRoleToString(node_info_.node_role_)
                     << " the node id:" << node_info_.node_id_ << " send Finish Message timeout!";
   }
diff --git a/mindspore/ccsrc/ps/core/comm_util.cc b/mindspore/ccsrc/ps/core/comm_util.cc
index 5bac87180c..8824d06a88 100644
--- a/mindspore/ccsrc/ps/core/comm_util.cc
+++ b/mindspore/ccsrc/ps/core/comm_util.cc
@@ -142,9 +142,6 @@ bool CommUtil::Retry(const std::function<bool()> &func, size_t max_attempts, siz
 
 void CommUtil::LogCallback(int severity, const char *msg) {
   switch (severity) {
-    case EVENT_LOG_DEBUG:
-      MS_LOG(DEBUG) << kLibeventLogPrefix << msg;
-      break;
     case EVENT_LOG_MSG:
       MS_LOG(INFO) << kLibeventLogPrefix << msg;
       break;
@@ -155,7 +152,6 @@ void CommUtil::LogCallback(int severity, const char *msg) {
       MS_LOG(ERROR) << kLibeventLogPrefix << msg;
       break;
     default:
-      MS_LOG(WARNING) << kLibeventLogPrefix << msg;
       break;
   }
 }
diff --git a/mindspore/ccsrc/ps/core/node_manager.cc b/mindspore/ccsrc/ps/core/node_manager.cc
index ab3dfee8de..db4267d246 100644
--- a/mindspore/ccsrc/ps/core/node_manager.cc
+++ b/mindspore/ccsrc/ps/core/node_manager.cc
@@ -110,7 +110,7 @@ void NodeManager::UpdateClusterState() {
     }
   }
   if (!timeout_nodes_info_.empty()) {
-    is_cluster_timeout_ = true;
+    is_node_timeout_ = true;
     for (auto it = timeout_nodes_info_.begin(); it != timeout_nodes_info_.end(); ++it) {
       finish_nodes_id_.insert(it->first);
     }
@@ -138,9 +138,7 @@ void NodeManager::CheckClusterTimeout() {
   }
 }
 
-void NodeManager::AddFinishNode(const FinishMessage &finish_message) {
-  finish_nodes_id_.insert(finish_message.node_id());
-}
+void NodeManager::AddFinishNode(const std::string &finish_message) { finish_nodes_id_.insert(finish_message); }
 
 std::unordered_map<std::string, NodeInfo> NodeManager::nodes_info() { return nodes_info_; }
 
diff --git a/mindspore/ccsrc/ps/core/node_manager.h b/mindspore/ccsrc/ps/core/node_manager.h
index 615f9ef357..81f7584d0f 100644
--- a/mindspore/ccsrc/ps/core/node_manager.h
+++ b/mindspore/ccsrc/ps/core/node_manager.h
@@ -61,7 +61,7 @@ class NodeManager {
   std::vector<ServersMeta> FetchServersMeta();
   void UpdateClusterState();
   void CheckClusterTimeout();
-  void AddFinishNode(const FinishMessage &finish_message);
+  void AddFinishNode(const std::string &finish_message);
   std::unordered_map<std::string, NodeInfo> nodes_info();
   bool is_cluster_ready();
   bool is_cluster_finish();
diff --git a/mindspore/ccsrc/ps/core/scheduler_node.cc b/mindspore/ccsrc/ps/core/scheduler_node.cc
index 378e8399ca..926cb474ca 100644
--- a/mindspore/ccsrc/ps/core/scheduler_node.cc
+++ b/mindspore/ccsrc/ps/core/scheduler_node.cc
@@ -139,10 +139,9 @@ void SchedulerNode::ProcessFinish(std::shared_ptr<TcpServer> server, std::shared
   MS_EXCEPTION_IF_NULL(conn);
   MS_EXCEPTION_IF_NULL(meta);
   MS_EXCEPTION_IF_NULL(data);
-  FinishMessage finish_message;
-  finish_message.ParseFromArray(data, size);
-  node_manager_.AddFinishNode(finish_message);
-  MS_LOG(INFO) << "Process finish message from node id:" << finish_message.node_id();
+  auto finish_message = std::make_unique<std::string>(reinterpret_cast<const char *>(data), size);
+  node_manager_.AddFinishNode(*finish_message);
+  MS_LOG(INFO) << "Process finish message from node id:" << *finish_message;
   server->SendMessage(conn, meta, Protos::PROTOBUF, data, size);
 }
 
diff --git a/mindspore/ccsrc/ps/core/server_node.cc b/mindspore/ccsrc/ps/core/server_node.cc
index 6f50e3eb05..baaffce57e 100644
--- a/mindspore/ccsrc/ps/core/server_node.cc
+++ b/mindspore/ccsrc/ps/core/server_node.cc
@@ -18,11 +18,6 @@
 namespace mindspore {
 namespace ps {
 namespace core {
-ServerNode::~ServerNode() {
-  MS_LOG(INFO) << "Stop server node!";
-  Stop();
-}
-
 bool ServerNode::Start(const uint32_t &timeout) {
   MS_LOG(INFO) << "Start server node!";
   Initialize();
diff --git a/mindspore/ccsrc/ps/core/server_node.h b/mindspore/ccsrc/ps/core/server_node.h
index eb12747765..09f40c5c8c 100644
--- a/mindspore/ccsrc/ps/core/server_node.h
+++ b/mindspore/ccsrc/ps/core/server_node.h
@@ -36,7 +36,7 @@ namespace core {
 class ServerNode : public AbstractNode {
  public:
   ServerNode() : server_(nullptr), server_thread_(nullptr) {}
-  ~ServerNode() override;
+  ~ServerNode() override = default;
 
   bool Start(const uint32_t &timeout = ClusterMetadata::instance()->cluster_available_timeout()) override;
   bool Stop() override;
diff --git a/mindspore/ccsrc/ps/core/worker_node.cc b/mindspore/ccsrc/ps/core/worker_node.cc
index 391c8dc546..63584e95cd 100644
--- a/mindspore/ccsrc/ps/core/worker_node.cc
+++ b/mindspore/ccsrc/ps/core/worker_node.cc
@@ -20,10 +20,6 @@
 namespace mindspore {
 namespace ps {
 namespace core {
-WorkerNode::~WorkerNode() {
-  MS_LOG(INFO) << "Stop worker node!";
-  Stop();
-}
 bool WorkerNode::Start(const uint32_t &timeout) {
   MS_LOG(INFO) << "Starting worker node!";
   Initialize();
diff --git a/mindspore/ccsrc/ps/core/worker_node.h b/mindspore/ccsrc/ps/core/worker_node.h
index c9dc027081..19490b79fd 100644
--- a/mindspore/ccsrc/ps/core/worker_node.h
+++ b/mindspore/ccsrc/ps/core/worker_node.h
@@ -35,7 +35,7 @@ namespace core {
 class WorkerNode : public AbstractNode {
  public:
   WorkerNode() = default;
-  ~WorkerNode() override;
+  ~WorkerNode() override = default;
 
   bool Start(const uint32_t &timeout = ClusterMetadata::instance()->cluster_available_timeout()) override;
   bool Stop() override;