diff --git a/liteflow-testcase-el/liteflow-testcase-el-springboot/src/test/java/com/yomahub/liteflow/test/iterator/IteratorELSpringbootTest.java b/liteflow-testcase-el/liteflow-testcase-el-springboot/src/test/java/com/yomahub/liteflow/test/iterator/IteratorELSpringbootTest.java
index 756518c02..1c34d349b 100644
--- a/liteflow-testcase-el/liteflow-testcase-el-springboot/src/test/java/com/yomahub/liteflow/test/iterator/IteratorELSpringbootTest.java
+++ b/liteflow-testcase-el/liteflow-testcase-el-springboot/src/test/java/com/yomahub/liteflow/test/iterator/IteratorELSpringbootTest.java
@@ -54,4 +54,10 @@ public class IteratorELSpringbootTest extends BaseTest {
 		Assert.assertEquals("12", str);
 	}
 
+	// 多层迭代
+	@Test
+	public void testIt3() throws Exception {
+		LiteflowResponse response = flowExecutor.execute2Resp("chain3");
+		Assert.assertTrue(response.isSuccess());
+	}
 }
diff --git a/liteflow-testcase-el/liteflow-testcase-el-springboot/src/test/java/com/yomahub/liteflow/test/iterator/cmp/CCmp.java b/liteflow-testcase-el/liteflow-testcase-el-springboot/src/test/java/com/yomahub/liteflow/test/iterator/cmp/CCmp.java
new file mode 100644
index 000000000..99969d0ee
--- /dev/null
+++ b/liteflow-testcase-el/liteflow-testcase-el-springboot/src/test/java/com/yomahub/liteflow/test/iterator/cmp/CCmp.java
@@ -0,0 +1,14 @@
+
+package com.yomahub.liteflow.test.iterator.cmp;
+
+import com.yomahub.liteflow.core.NodeComponent;
+import org.springframework.stereotype.Component;
+
+@Component("c")
+public class CCmp extends NodeComponent {
+
+	@Override
+	public void process() throws Exception {
+		System.out.println(this.getCurrLoopObj().toString());
+	}
+}
diff --git a/liteflow-testcase-el/liteflow-testcase-el-springboot/src/test/java/com/yomahub/liteflow/test/iterator/cmp/X1Cmp.java b/liteflow-testcase-el/liteflow-testcase-el-springboot/src/test/java/com/yomahub/liteflow/test/iterator/cmp/X1Cmp.java
new file mode 100644
index 000000000..361eabb78
--- /dev/null
+++ b/liteflow-testcase-el/liteflow-testcase-el-springboot/src/test/java/com/yomahub/liteflow/test/iterator/cmp/X1Cmp.java
@@ -0,0 +1,17 @@
+package com.yomahub.liteflow.test.iterator.cmp;
+
+import cn.hutool.core.collection.ListUtil;
+import com.yomahub.liteflow.annotation.LiteflowComponent;
+import com.yomahub.liteflow.core.NodeIteratorComponent;
+
+import java.util.Iterator;
+import java.util.List;
+
+@LiteflowComponent("x1")
+public class X1Cmp extends NodeIteratorComponent {
+    @Override
+    public Iterator<?> processIterator() throws Exception {
+        List<String> list = ListUtil.toList("a", "b", "c");
+        return list.iterator();
+    }
+}
diff --git a/liteflow-testcase-el/liteflow-testcase-el-springboot/src/test/java/com/yomahub/liteflow/test/iterator/cmp/X2Cmp.java b/liteflow-testcase-el/liteflow-testcase-el-springboot/src/test/java/com/yomahub/liteflow/test/iterator/cmp/X2Cmp.java
new file mode 100644
index 000000000..0c07eaab3
--- /dev/null
+++ b/liteflow-testcase-el/liteflow-testcase-el-springboot/src/test/java/com/yomahub/liteflow/test/iterator/cmp/X2Cmp.java
@@ -0,0 +1,17 @@
+package com.yomahub.liteflow.test.iterator.cmp;
+
+import cn.hutool.core.collection.ListUtil;
+import com.yomahub.liteflow.annotation.LiteflowComponent;
+import com.yomahub.liteflow.core.NodeIteratorComponent;
+
+import java.util.Iterator;
+import java.util.List;
+
+@LiteflowComponent("x2")
+public class X2Cmp extends NodeIteratorComponent {
+    @Override
+    public Iterator<?> processIterator() throws Exception {
+        List<String> list = ListUtil.toList("11", "22");
+        return list.iterator();
+    }
+}
diff --git a/liteflow-testcase-el/liteflow-testcase-el-springboot/src/test/resources/iterator/flow.xml b/liteflow-testcase-el/liteflow-testcase-el-springboot/src/test/resources/iterator/flow.xml
index 7c732861a..a6015d40f 100644
--- a/liteflow-testcase-el/liteflow-testcase-el-springboot/src/test/resources/iterator/flow.xml
+++ b/liteflow-testcase-el/liteflow-testcase-el-springboot/src/test/resources/iterator/flow.xml
@@ -8,4 +8,14 @@
     <chain name="chain2">
         ITERATOR(it).DO(a).BREAK(b);
     </chain>
+
+    <chain name="chain3">
+        ITERATOR(x1).DO(
+            THEN(
+                c,
+                ITERATOR(x2).DO(c)
+            )
+
+        );
+    </chain>
 </flow>
\ No newline at end of file