diff --git a/liteflow-core/src/main/java/com/yomahub/liteflow/slot/Slot.java b/liteflow-core/src/main/java/com/yomahub/liteflow/slot/Slot.java
index 8bd133c14..e8cbb8cba 100644
--- a/liteflow-core/src/main/java/com/yomahub/liteflow/slot/Slot.java
+++ b/liteflow-core/src/main/java/com/yomahub/liteflow/slot/Slot.java
@@ -11,6 +11,7 @@ import cn.hutool.core.collection.ConcurrentHashSet;
 import cn.hutool.core.collection.ListUtil;
 import cn.hutool.core.util.ObjectUtil;
 import cn.hutool.core.util.StrUtil;
+import com.alibaba.ttl.TransmittableThreadLocal;
 import com.yomahub.liteflow.exception.NoSuchContextBeanException;
 import com.yomahub.liteflow.exception.NullParamException;
 import com.yomahub.liteflow.flow.element.Condition;
@@ -92,7 +93,7 @@ public class Slot {
 
 	private List<Object> contextBeanList;
 	
-	private static final ThreadLocal<Deque<Condition>> conditionStack = ThreadLocal.withInitial(LinkedList::new);
+	private static final TransmittableThreadLocal<Deque<Condition>> conditionStack = TransmittableThreadLocal.withInitial(ConcurrentLinkedDeque::new);
 
 	public Slot() {
 	}