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 295186963..368fa8ee7 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
@@ -1,5 +1,6 @@
 package com.yomahub.liteflow.test.tag;
 
+import cn.hutool.core.collection.ConcurrentHashSet;
 import com.yomahub.liteflow.core.FlowExecutor;
 import com.yomahub.liteflow.entity.data.DefaultSlot;
 import com.yomahub.liteflow.entity.data.LiteflowResponse;
@@ -15,6 +16,7 @@ import org.springframework.test.context.junit4.SpringRunner;
 
 import javax.annotation.Resource;
 import java.util.Set;
+import java.util.function.Function;
 
 /**
  * springboot环境下隐私投递的测试
@@ -45,9 +47,15 @@ public class NodeTagSpringbootTest extends BaseTest {
         Assert.assertEquals("a==>a==>a==>c==>e", response.getSlot().printStep());
     }
 
+    //测试多线程when情况下的tag取值是否正确
+    //这里循环多次的原因是，因为when多线程，有时候因为凑巧，可能正确。所以多次情况下在2.6.4版本肯定出错
     @Test
     public void testTag3() throws Exception{
-        LiteflowResponse<DefaultSlot> response = flowExecutor.execute2Resp("chain3", "arg");
-        Assert.assertTrue(response.isSuccess());
+        for (int i = 0; i < 50; i++) {
+            LiteflowResponse<DefaultSlot> response = flowExecutor.execute2Resp("chain3", "arg");
+            Assert.assertTrue(response.isSuccess());
+            ConcurrentHashSet<String> testSet = response.getSlot().getData("test");
+            Assert.assertEquals(3, testSet.size());
+        }
     }
 }
diff --git a/liteflow-testcase-springboot/src/test/java/com/yomahub/liteflow/test/tag/cmp/B1Cmp.java b/liteflow-testcase-springboot/src/test/java/com/yomahub/liteflow/test/tag/cmp/B1Cmp.java
new file mode 100644
index 000000000..7acef141f
--- /dev/null
+++ b/liteflow-testcase-springboot/src/test/java/com/yomahub/liteflow/test/tag/cmp/B1Cmp.java
@@ -0,0 +1,27 @@
+/**
+ * <p>Title: liteflow</p>
+ * <p>Description: 轻量级的组件式流程框架</p>
+ * @author Bryan.Zhang
+ * @email weenyc31@163.com
+ * @Date 2020/4/1
+ */
+package com.yomahub.liteflow.test.tag.cmp;
+
+import cn.hutool.core.collection.ConcurrentHashSet;
+import com.yomahub.liteflow.annotation.LiteflowComponent;
+import com.yomahub.liteflow.core.NodeComponent;
+import com.yomahub.liteflow.entity.data.Slot;
+
+import java.util.HashSet;
+import java.util.Set;
+import java.util.concurrent.ConcurrentHashMap;
+
+@LiteflowComponent("b1")
+public class B1Cmp extends NodeComponent {
+
+	@Override
+	public void process() {
+		Slot slot = this.getSlot();
+		slot.setData("test",new ConcurrentHashSet<String>());
+	}
+}
diff --git a/liteflow-testcase-springboot/src/test/java/com/yomahub/liteflow/test/tag/cmp/BCmp.java b/liteflow-testcase-springboot/src/test/java/com/yomahub/liteflow/test/tag/cmp/BCmp.java
index cb6deaba6..1b9a0013f 100644
--- a/liteflow-testcase-springboot/src/test/java/com/yomahub/liteflow/test/tag/cmp/BCmp.java
+++ b/liteflow-testcase-springboot/src/test/java/com/yomahub/liteflow/test/tag/cmp/BCmp.java
@@ -7,9 +7,12 @@
  */
 package com.yomahub.liteflow.test.tag.cmp;
 
+import cn.hutool.core.collection.ConcurrentHashSet;
 import com.yomahub.liteflow.annotation.LiteflowComponent;
 import com.yomahub.liteflow.core.NodeComponent;
+import com.yomahub.liteflow.entity.data.Slot;
 
+import java.util.HashSet;
 import java.util.Set;
 
 @LiteflowComponent("b")
@@ -17,6 +20,8 @@ public class BCmp extends NodeComponent {
 
 	@Override
 	public void process() {
-		System.out.println(this.getTag());
+		Slot slot = this.getSlot();
+		ConcurrentHashSet<String> testSet = slot.getData("test");
+		testSet.add(this.getTag());
 	}
 }
diff --git a/liteflow-testcase-springboot/src/test/resources/tag/flow.xml b/liteflow-testcase-springboot/src/test/resources/tag/flow.xml
index 496a462c0..ceea87217 100644
--- a/liteflow-testcase-springboot/src/test/resources/tag/flow.xml
+++ b/liteflow-testcase-springboot/src/test/resources/tag/flow.xml
@@ -9,6 +9,7 @@
     </chain>
 
     <chain name="chain3">
-        <when value="b[1],b[2],b[3],b"/>
+        <then value="b1"/>
+        <when value="b[1],b[2],b[3]"/>
     </chain>
 </flow>
\ No newline at end of file