diff --git a/liteflow-testcase-springboot/src/test/java/com/yomahub/liteflow/test/tag/NodeTagSpringbootTest.java b/liteflow-testcase-springboot/src/test/java/com/yomahub/liteflow/test/tag/NodeTagSpringbootTest.java
index f8ff52429..295186963 100644
--- a/liteflow-testcase-springboot/src/test/java/com/yomahub/liteflow/test/tag/NodeTagSpringbootTest.java
+++ b/liteflow-testcase-springboot/src/test/java/com/yomahub/liteflow/test/tag/NodeTagSpringbootTest.java
@@ -44,4 +44,10 @@ public class NodeTagSpringbootTest extends BaseTest {
         Assert.assertTrue(response.isSuccess());
         Assert.assertEquals("a==>a==>a==>c==>e", response.getSlot().printStep());
     }
+
+    @Test
+    public void testTag3() throws Exception{
+        LiteflowResponse<DefaultSlot> response = flowExecutor.execute2Resp("chain3", "arg");
+        Assert.assertTrue(response.isSuccess());
+    }
 }
diff --git a/liteflow-testcase-springboot/src/test/resources/tag/flow.xml b/liteflow-testcase-springboot/src/test/resources/tag/flow.xml
index b70304424..9ecf26cff 100644
--- a/liteflow-testcase-springboot/src/test/resources/tag/flow.xml
+++ b/liteflow-testcase-springboot/src/test/resources/tag/flow.xml
@@ -7,4 +7,8 @@
     <chain name="chain2">
         <then value="a[1],a[2],a[3],c[2](d[5]|e[6])"/>
     </chain>
+
+    <chain name="chain3">
+        <when value="b[1],b[2],b[3]"/>
+    </chain>
 </flow>
\ No newline at end of file