diff --git a/frameworks/inner_api/security_component/include/sec_comp_dialog_callback.h b/frameworks/inner_api/security_component/include/sec_comp_dialog_callback.h
index 05fbda0..907f19b 100644
--- a/frameworks/inner_api/security_component/include/sec_comp_dialog_callback.h
+++ b/frameworks/inner_api/security_component/include/sec_comp_dialog_callback.h
@@ -41,6 +41,7 @@ public:
 
     void OnDialogClosed(int32_t result) override;
 private:
+    std::mutex callbackMutex_;
     OnFirstUseDialogCloseFunc callback_;
 };
 } // namespace SecurityComponent
diff --git a/frameworks/inner_api/security_component/src/sec_comp_dialog_callback.cpp b/frameworks/inner_api/security_component/src/sec_comp_dialog_callback.cpp
index ae44455..fa32ac6 100644
--- a/frameworks/inner_api/security_component/src/sec_comp_dialog_callback.cpp
+++ b/frameworks/inner_api/security_component/src/sec_comp_dialog_callback.cpp
@@ -25,6 +25,7 @@ static constexpr OHOS::HiviewDFX::HiLogLabel LABEL = {
 
 void SecCompDialogCallback::OnDialogClosed(int32_t result)
 {
+    std::unique_lock<std::mutex> lock(callbackMutex_);
     if (callback_ == nullptr) {
         SC_LOG_ERROR(LABEL, "callback_ is nullptr");
         return;
diff --git a/services/security_component_service/sa/sa_main/sec_comp_manager.cpp b/services/security_component_service/sa/sa_main/sec_comp_manager.cpp
index 09c6b65..90def2f 100644
--- a/services/security_component_service/sa/sa_main/sec_comp_manager.cpp
+++ b/services/security_component_service/sa/sa_main/sec_comp_manager.cpp
@@ -539,6 +539,7 @@ static void ReportEvent(std::string eventName, HiviewDFX::HiSysEvent::EventType
 
 void SecCompManager::GetFoldOffsetY(const CrossAxisState crossAxisState)
 {
+    std::unique_lock<std::mutex> lock(superFoldOffsetMtx_);
     if (crossAxisState == CrossAxisState::STATE_INVALID) {
         return;
     }
diff --git a/services/security_component_service/sa/sa_main/sec_comp_manager.h b/services/security_component_service/sa/sa_main/sec_comp_manager.h
index 2032624..033ae97 100644
--- a/services/security_component_service/sa/sa_main/sec_comp_manager.h
+++ b/services/security_component_service/sa/sa_main/sec_comp_manager.h
@@ -90,6 +90,7 @@ private:
 
     OHOS::Utils::RWLock componentInfoLock_;
     std::mutex scIdMtx_;
+    std::mutex superFoldOffsetMtx_;
     std::unordered_map<int32_t, ProcessCompInfos> componentMap_;
     int32_t scIdStart_;
     bool isSaExit_ = false;
diff --git a/services/security_component_service/sa/sa_main/sec_comp_service.cpp b/services/security_component_service/sa/sa_main/sec_comp_service.cpp
index 55e66e7..50f3530 100644
--- a/services/security_component_service/sa/sa_main/sec_comp_service.cpp
+++ b/services/security_component_service/sa/sa_main/sec_comp_service.cpp
@@ -95,6 +95,7 @@ void SecCompService::OnStop()
 
 bool SecCompService::RegisterAppStateObserver()
 {
+    std::unique_lock<std::mutex> lock(secCompSrvMutex_);
     if (appStateObserver_ != nullptr) {
         SC_LOG_INFO(LABEL, "AppStateObserver instance already create");
         return true;
@@ -148,6 +149,7 @@ bool SecCompService::RegisterAppStateObserver()
 
 void SecCompService::UnregisterAppStateObserver()
 {
+    std::unique_lock<std::mutex> lock(secCompSrvMutex_);
     if (iAppMgr_ != nullptr && appStateObserver_ != nullptr) {
         iAppMgr_->UnregisterApplicationStateObserver(appStateObserver_);
     }
@@ -162,6 +164,7 @@ bool SecCompService::GetCallerInfo(SecCompCallerInfo& caller)
         SC_LOG_ERROR(LABEL, "Get caller tokenId invalid");
         return false;
     }
+    std::unique_lock<std::mutex> lock(secCompSrvMutex_);
     if ((uid != ROOT_UID) && (!appStateObserver_->IsProcessForeground(pid, uid))) {
         SC_LOG_ERROR(LABEL, "caller pid is not in foreground");
         return false;
@@ -642,6 +645,7 @@ int32_t SecCompService::VerifySavePermission(AccessToken::AccessTokenID tokenId,
 
 bool SecCompService::IsMediaLibraryCalling()
 {
+    std::unique_lock<std::mutex> lock(mediaLibMutex_);
     int32_t uid = IPCSkeleton::GetCallingUid();
     if (uid == ROOT_UID) {
         return true;
@@ -670,6 +674,7 @@ int SecCompService::Dump(int fd, const std::vector<std::u16string>& args)
         dprintf(fd, "       -p: dump foreground processes\n");
     } else if (arg0.compare("-p") == 0) {
         std::string dumpStr;
+        std::unique_lock<std::mutex> lock(secCompSrvMutex_);
         appStateObserver_->DumpProcess(dumpStr);
         dprintf(fd, "%s\n", dumpStr.c_str());
     }  else if (arg0.compare("-a") == 0 || arg0 == "") {
diff --git a/services/security_component_service/sa/sa_main/sec_comp_service.h b/services/security_component_service/sa/sa_main/sec_comp_service.h
index 10bfd0e..08e4284 100644
--- a/services/security_component_service/sa/sa_main/sec_comp_service.h
+++ b/services/security_component_service/sa/sa_main/sec_comp_service.h
@@ -79,6 +79,8 @@ private:
     bool GetCallerInfo(SecCompCallerInfo& caller);
     bool IsMediaLibraryCalling();
 
+    std::mutex secCompSrvMutex_;
+    std::mutex mediaLibMutex_;
     ServiceRunningState state_;
     sptr<AppExecFwk::IAppMgr> iAppMgr_;
     sptr<AppStateObserver> appStateObserver_;