diff --git a/window_scene/screen_session_manager/include/fold_screen_controller/super_fold_state_manager.h b/window_scene/screen_session_manager/include/fold_screen_controller/super_fold_state_manager.h
index 174c519b96..f46fbb02cd 100644
--- a/window_scene/screen_session_manager/include/fold_screen_controller/super_fold_state_manager.h
+++ b/window_scene/screen_session_manager/include/fold_screen_controller/super_fold_state_manager.h
@@ -96,6 +96,7 @@ private:
     FoldCreaseRegion GetFoldCreaseRegion(bool isVertical, bool isNeedReverse) const;
     void GetFoldCreaseRect(bool isVertical, bool isNeedReverse, const std::vector<int32_t>& foldRect,
         std::vector<DMRect>& foldCreaseRect) const;
+    mutable std::mutex liveCreaseRegionMutex_;
     std::mutex superStatusMutex_;
     std::vector<SuperFoldCreaseRegionItem> superFoldCreaseRegionItems_;
 
diff --git a/window_scene/screen_session_manager/src/fold_screen_controller/super_fold_state_manager.cpp b/window_scene/screen_session_manager/src/fold_screen_controller/super_fold_state_manager.cpp
index e09fd053cc..c368bcc1d6 100644
--- a/window_scene/screen_session_manager/src/fold_screen_controller/super_fold_state_manager.cpp
+++ b/window_scene/screen_session_manager/src/fold_screen_controller/super_fold_state_manager.cpp
@@ -515,6 +515,7 @@ sptr<FoldCreaseRegion> SuperFoldStateManager::GetCurrentFoldCreaseRegion()
 FoldCreaseRegion SuperFoldStateManager::GetLiveCreaseRegion()
 {
     TLOGI(WmsLogTag::DMS, "enter");
+    std::lock_guard<std::mutex> lock_mode(liveCreaseRegionMutex_);
     SuperFoldStatus curFoldState = ScreenSessionManager::GetInstance().GetSuperFoldStatus();
     if (curFoldState == SuperFoldStatus::UNKNOWN || curFoldState == SuperFoldStatus::FOLDED) {
         return FoldCreaseRegion(0, {});