diff --git a/agents-flex-core/src/test/java/com/agentsflex/core/test/chain/ChainTest.java b/agents-flex-core/src/test/java/com/agentsflex/core/test/chain/ChainTest.java
new file mode 100644
index 0000000..30ada17
--- /dev/null
+++ b/agents-flex-core/src/test/java/com/agentsflex/core/test/chain/ChainTest.java
@@ -0,0 +1,81 @@
+/*
+ *  Copyright (c) 2023-2025, Agents-Flex (fuhai999@gmail.com).
+ *  <p>
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *  <p>
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *  <p>
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package com.agentsflex.core.test.chain;
+
+import com.agentsflex.core.chain.*;
+import com.agentsflex.core.chain.listener.ChainEventListener;
+import com.agentsflex.core.chain.listener.ChainSuspendListener;
+import com.agentsflex.core.chain.node.LlmNode;
+import com.agentsflex.core.chain.node.StartNode;
+import com.agentsflex.core.util.Maps;
+
+import java.util.Collections;
+import java.util.List;
+import java.util.UUID;
+
+public class ChainTest {
+
+    public static void main(String[] args) {
+
+        StartNode startNode = new StartNode();
+        startNode.setId(UUID.randomUUID().toString());
+
+        LlmNode endNode = new LlmNode();
+        endNode.setId(UUID.randomUUID().toString());
+
+        Parameter parameter = new Parameter();
+        parameter.setName("test");
+        parameter.setDataType(DataType.String);
+        parameter.setRequired(true);
+
+        endNode.addInputParameter(parameter);
+
+        Chain chain = new Chain();
+        chain.addNode(startNode);
+        chain.addNode(endNode);
+
+        ChainEdge edge = new ChainEdge();
+        edge.setId(UUID.randomUUID().toString());
+        edge.setSource(startNode.getId());
+        edge.setTarget(endNode.getId());
+        chain.addEdge(edge);
+
+
+        chain.addEventListener(new ChainEventListener() {
+            @Override
+            public void onEvent(ChainEvent event, Chain chain) {
+                System.out.println("onEvent: " + event.getClass());
+            }
+        });
+
+
+        chain.addSuspendListener(new ChainSuspendListener() {
+
+            @Override
+            public void onSuspend(Chain chain) {
+                System.out.println("------------onSuspend-----------");
+                List<Parameter> suspendForParameters = chain.getSuspendForParameters();
+                System.out.println("suspendForParameters: " + suspendForParameters);
+
+                chain.resume(Maps.of("test","123"));
+            }
+        });
+
+
+        chain.execute(Collections.emptyMap());
+
+    }
+}