diff --git a/agents-flex-chain/agents-flex-chain-qlexpress/src/test/java/com/agentsflex/chain/node/QLExpressRouterNodeTest.java b/agents-flex-chain/agents-flex-chain-qlexpress/src/test/java/com/agentsflex/chain/node/QLExpressRouterNodeTest.java
new file mode 100644
index 0000000..1e48a6f
--- /dev/null
+++ b/agents-flex-chain/agents-flex-chain-qlexpress/src/test/java/com/agentsflex/chain/node/QLExpressRouterNodeTest.java
@@ -0,0 +1,19 @@
+package com.agentsflex.chain.node;
+
+import com.ql.util.express.DefaultContext;
+import com.ql.util.express.ExpressRunner;
+
+public class QLExpressRouterNodeTest {
+
+    public static void main(String[] args) throws Exception {
+        String express = "if(default.contains(\"b\")){return \"end\"} else {return \"next\"}";
+
+        ExpressRunner runner = new ExpressRunner();
+        DefaultContext<String, Object> context = new DefaultContext<>();
+        context.put("default", "a");
+
+        Object result = runner.execute(express, context, null, true, false);
+
+        System.out.println(result);
+    }
+}