diff --git a/liteflow-core/src/main/java/com/yomahub/liteflow/core/NodeComponent.java b/liteflow-core/src/main/java/com/yomahub/liteflow/core/NodeComponent.java
index bc65c627b..ee2004df7 100644
--- a/liteflow-core/src/main/java/com/yomahub/liteflow/core/NodeComponent.java
+++ b/liteflow-core/src/main/java/com/yomahub/liteflow/core/NodeComponent.java
@@ -325,7 +325,7 @@ public abstract class NodeComponent{
 		FlowExecutorHolder.loadInstance().invoke(chainId, param, this.getSlotIndex());
 	}
 
-	public LiteflowResponse invoke2Resp(String chainId, Object param, Integer slotIndex) {
+	public LiteflowResponse invoke2Resp(String chainId, Object param) {
 		return FlowExecutorHolder.loadInstance().invoke2Resp(chainId, param, this.getSlotIndex());
 	}
 }