diff --git a/mindspore_serving/ccsrc/worker/worker.cc b/mindspore_serving/ccsrc/worker/worker.cc
index 9580147..761fb61 100644
--- a/mindspore_serving/ccsrc/worker/worker.cc
+++ b/mindspore_serving/ccsrc/worker/worker.cc
@@ -75,7 +75,7 @@ Status Worker::RegisterWorker() {
 }
 
 Status Worker::StartVersionController() {
-  version_controller_.StartPollModelPeriodic();
+  // first disable auto updated
   return SUCCESS;
 }
 
@@ -110,6 +110,13 @@ Status Worker::RemoveWorker(const ServableWorkerContext &work) {
 }
 
 Status Worker::Run(const proto::PredictRequest &request, proto::PredictReply *reply) {
+  std::shared_lock<std::shared_mutex> lock(worker_shared_lock_);
+  if (servable_stoppedd_) {
+    return INFER_STATUS_LOG_ERROR(FAILED) << "Run worker for inference failed, worker has been stopped";
+  }
+  if (!servable_started_) {
+    return INFER_STATUS_LOG_ERROR(FAILED) << "Run worker for inference failed, worker has not been started";
+  }
   MSI_EXCEPTION_IF_NULL(reply);
   std::vector<InstanceData> inputs;
   RequestSpec request_spec;
@@ -347,6 +354,7 @@ void Worker::StopServable(bool notify_master) {
 }
 
 void Worker::Clear() {
+  std::unique_lock<std::shared_mutex> lock(worker_shared_lock_);
   if (clear_flag_.test_and_set()) {
     return;
   }
diff --git a/mindspore_serving/ccsrc/worker/worker.h b/mindspore_serving/ccsrc/worker/worker.h
index d30ad4f..5f80ba4 100644
--- a/mindspore_serving/ccsrc/worker/worker.h
+++ b/mindspore_serving/ccsrc/worker/worker.h
@@ -22,6 +22,7 @@
 #include <vector>
 #include <string>
 #include <utility>
+#include <shared_mutex>
 #include "worker/work_executor.h"
 #include "common/serving_common.h"
 #include "proto/ms_service.pb.h"
@@ -108,6 +109,8 @@ class MS_API Worker {
   std::atomic_flag clear_flag_ = ATOMIC_FLAG_INIT;
   std::shared_ptr<BaseNotifyMaster> notify_master_ = nullptr;
 
+  std::shared_mutex worker_shared_lock_;
+
   Status LoadServableConfig(const LoadServableSpec &servable_spec, const std::string &version_strategy,
                             std::vector<uint64_t> *real_version_number);
   void GetVersions(const LoadServableSpec &servable_spec, std::vector<uint64_t> *real_versions);
diff --git a/third_party/mindspore b/third_party/mindspore
index 2403618..defb644 160000
--- a/third_party/mindspore
+++ b/third_party/mindspore
@@ -1 +1 @@
-Subproject commit 2403618aaa00d731f10e907ff12388abc3f1c751
+Subproject commit defb644c72edcd161e6011ef6d5dd92a51dbb802