diff --git a/agents-flex-core/src/main/java/com/agentsflex/core/chain/ChainEdge.java b/agents-flex-core/src/main/java/com/agentsflex/core/chain/ChainEdge.java
new file mode 100644
index 0000000..c326768
--- /dev/null
+++ b/agents-flex-core/src/main/java/com/agentsflex/core/chain/ChainEdge.java
@@ -0,0 +1,83 @@
+/*
+ *  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.chain;
+
+import java.util.UUID;
+
+public class ChainEdge {
+    private String id;
+    private String source;
+    private String target;
+    private EdgeCondition condition;
+    private int weight;
+    private boolean isDefault;
+
+    public ChainEdge() {
+        this.id = UUID.randomUUID().toString();
+    }
+
+    public ChainEdge(String id) {
+        this.id = id;
+    }
+
+    public String getId() {
+        return id;
+    }
+
+    public void setId(String id) {
+        this.id = id;
+    }
+
+    public String getSource() {
+        return source;
+    }
+
+    public void setSource(String source) {
+        this.source = source;
+    }
+
+    public String getTarget() {
+        return target;
+    }
+
+    public void setTarget(String target) {
+        this.target = target;
+    }
+
+    public EdgeCondition getCondition() {
+        return condition;
+    }
+
+    public void setCondition(EdgeCondition condition) {
+        this.condition = condition;
+    }
+
+    public int getWeight() {
+        return weight;
+    }
+
+    public void setWeight(int weight) {
+        this.weight = weight;
+    }
+
+    public boolean isDefault() {
+        return isDefault;
+    }
+
+    public void setDefault(boolean aDefault) {
+        isDefault = aDefault;
+    }
+}