diff --git a/liteflow-testcase-el/liteflow-testcase-el-springboot/src/test/java/com/yomahub/liteflow/test/abstractChain/AbstractChainELSpringbootTest.java b/liteflow-testcase-el/liteflow-testcase-el-springboot/src/test/java/com/yomahub/liteflow/test/abstractChain/AbstractChainELSpringbootTest.java
new file mode 100644
index 000000000..29fc14ca9
--- /dev/null
+++ b/liteflow-testcase-el/liteflow-testcase-el-springboot/src/test/java/com/yomahub/liteflow/test/abstractChain/AbstractChainELSpringbootTest.java
@@ -0,0 +1,36 @@
+package com.yomahub.liteflow.test.abstractChain;
+
+import com.yomahub.liteflow.core.FlowExecutor;
+import com.yomahub.liteflow.flow.LiteflowResponse;
+import com.yomahub.liteflow.test.BaseTest;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.test.context.TestPropertySource;
+
+import javax.annotation.Resource;
+
+/**
+ * springboot环境EL常规的例子测试
+ *
+ * @author Bryan.Zhang
+ */
+@TestPropertySource(value = "classpath:/abstractChain/application.properties")
+@SpringBootTest(classes = AbstractChainELSpringbootTest.class)
+@EnableAutoConfiguration
+@ComponentScan({ "com.yomahub.liteflow.test.abstractChain.cmp" })
+public class AbstractChainELSpringbootTest extends BaseTest {
+
+	@Resource
+	private FlowExecutor flowExecutor;
+
+	// XML文件单继承测试
+	@Test
+	public void test1() throws Exception {
+		LiteflowResponse response = flowExecutor.execute2Resp("implA", "arg");
+		Assertions.assertTrue(response.isSuccess());
+		Assertions.assertEquals("a==>b==>c==>d==>f==>j", response.getExecuteStepStrWithoutTime());
+	}
+}
diff --git a/liteflow-testcase-el/liteflow-testcase-el-springboot/src/test/java/com/yomahub/liteflow/test/abstractChain/cmp/ACmp.java b/liteflow-testcase-el/liteflow-testcase-el-springboot/src/test/java/com/yomahub/liteflow/test/abstractChain/cmp/ACmp.java
new file mode 100644
index 000000000..8aaf2caae
--- /dev/null
+++ b/liteflow-testcase-el/liteflow-testcase-el-springboot/src/test/java/com/yomahub/liteflow/test/abstractChain/cmp/ACmp.java
@@ -0,0 +1,14 @@
+package com.yomahub.liteflow.test.abstractChain.cmp;
+
+import com.yomahub.liteflow.core.NodeComponent;
+import org.springframework.stereotype.Component;
+
+@Component("a")
+public class ACmp extends NodeComponent {
+
+	@Override
+	public void process() {
+		System.out.println("ACmp executed!");
+	}
+
+}
diff --git a/liteflow-testcase-el/liteflow-testcase-el-springboot/src/test/java/com/yomahub/liteflow/test/abstractChain/cmp/BCmp.java b/liteflow-testcase-el/liteflow-testcase-el-springboot/src/test/java/com/yomahub/liteflow/test/abstractChain/cmp/BCmp.java
new file mode 100644
index 000000000..2f336f6ab
--- /dev/null
+++ b/liteflow-testcase-el/liteflow-testcase-el-springboot/src/test/java/com/yomahub/liteflow/test/abstractChain/cmp/BCmp.java
@@ -0,0 +1,16 @@
+package com.yomahub.liteflow.test.abstractChain.cmp;
+
+import com.yomahub.liteflow.core.NodeComponent;
+import org.springframework.stereotype.Component;
+
+
+@Component("b")
+public class BCmp extends NodeComponent {
+
+
+	@Override
+	public void process() {
+		System.out.println("BCmp executed!");
+	}
+
+}
diff --git a/liteflow-testcase-el/liteflow-testcase-el-springboot/src/test/java/com/yomahub/liteflow/test/abstractChain/cmp/CCmp.java b/liteflow-testcase-el/liteflow-testcase-el-springboot/src/test/java/com/yomahub/liteflow/test/abstractChain/cmp/CCmp.java
new file mode 100644
index 000000000..e2c16b4ae
--- /dev/null
+++ b/liteflow-testcase-el/liteflow-testcase-el-springboot/src/test/java/com/yomahub/liteflow/test/abstractChain/cmp/CCmp.java
@@ -0,0 +1,15 @@
+package com.yomahub.liteflow.test.abstractChain.cmp;
+
+import com.yomahub.liteflow.core.NodeIfComponent;
+import org.springframework.stereotype.Component;
+
+
+@Component("c")
+public class CCmp extends NodeIfComponent {
+    @Override
+    public boolean processIf() throws Exception {
+        //do your biz
+        return true;
+    }
+}
+
diff --git a/liteflow-testcase-el/liteflow-testcase-el-springboot/src/test/java/com/yomahub/liteflow/test/abstractChain/cmp/DCmp.java b/liteflow-testcase-el/liteflow-testcase-el-springboot/src/test/java/com/yomahub/liteflow/test/abstractChain/cmp/DCmp.java
new file mode 100644
index 000000000..4f5f5b7ec
--- /dev/null
+++ b/liteflow-testcase-el/liteflow-testcase-el-springboot/src/test/java/com/yomahub/liteflow/test/abstractChain/cmp/DCmp.java
@@ -0,0 +1,14 @@
+package com.yomahub.liteflow.test.abstractChain.cmp;
+
+import com.yomahub.liteflow.core.NodeComponent;
+import org.springframework.stereotype.Component;
+
+@Component("d")
+public class DCmp extends NodeComponent {
+
+	@Override
+	public void process() {
+		System.out.println("DCmp executed!");
+	}
+
+}
diff --git a/liteflow-testcase-el/liteflow-testcase-el-springboot/src/test/java/com/yomahub/liteflow/test/abstractChain/cmp/ECmp.java b/liteflow-testcase-el/liteflow-testcase-el-springboot/src/test/java/com/yomahub/liteflow/test/abstractChain/cmp/ECmp.java
new file mode 100644
index 000000000..0a597dde2
--- /dev/null
+++ b/liteflow-testcase-el/liteflow-testcase-el-springboot/src/test/java/com/yomahub/liteflow/test/abstractChain/cmp/ECmp.java
@@ -0,0 +1,14 @@
+package com.yomahub.liteflow.test.abstractChain.cmp;
+
+import com.yomahub.liteflow.core.NodeComponent;
+import org.springframework.stereotype.Component;
+
+@Component("e")
+public class ECmp extends NodeComponent {
+
+	@Override
+	public void process() {
+		System.out.println("ECmp executed!");
+	}
+
+}
diff --git a/liteflow-testcase-el/liteflow-testcase-el-springboot/src/test/java/com/yomahub/liteflow/test/abstractChain/cmp/FSwitchCmp.java b/liteflow-testcase-el/liteflow-testcase-el-springboot/src/test/java/com/yomahub/liteflow/test/abstractChain/cmp/FSwitchCmp.java
new file mode 100644
index 000000000..34b09c70a
--- /dev/null
+++ b/liteflow-testcase-el/liteflow-testcase-el-springboot/src/test/java/com/yomahub/liteflow/test/abstractChain/cmp/FSwitchCmp.java
@@ -0,0 +1,14 @@
+package com.yomahub.liteflow.test.abstractChain.cmp;
+
+import com.yomahub.liteflow.core.NodeSwitchComponent;
+import org.springframework.stereotype.Component;
+
+@Component("f")
+public class FSwitchCmp extends NodeSwitchComponent {
+
+	@Override
+	public String processSwitch() throws Exception {
+		return "j";
+	}
+
+}
diff --git a/liteflow-testcase-el/liteflow-testcase-el-springboot/src/test/java/com/yomahub/liteflow/test/abstractChain/cmp/JCmp.java b/liteflow-testcase-el/liteflow-testcase-el-springboot/src/test/java/com/yomahub/liteflow/test/abstractChain/cmp/JCmp.java
new file mode 100644
index 000000000..a10829874
--- /dev/null
+++ b/liteflow-testcase-el/liteflow-testcase-el-springboot/src/test/java/com/yomahub/liteflow/test/abstractChain/cmp/JCmp.java
@@ -0,0 +1,14 @@
+package com.yomahub.liteflow.test.abstractChain.cmp;
+
+import com.yomahub.liteflow.core.NodeComponent;
+import org.springframework.stereotype.Component;
+
+@Component("j")
+public class JCmp extends NodeComponent {
+
+	@Override
+	public void process() {
+		System.out.println("JCmp executed!");
+	}
+
+}
diff --git a/liteflow-testcase-el/liteflow-testcase-el-springboot/src/test/java/com/yomahub/liteflow/test/abstractChain/cmp/KCmp.java b/liteflow-testcase-el/liteflow-testcase-el-springboot/src/test/java/com/yomahub/liteflow/test/abstractChain/cmp/KCmp.java
new file mode 100644
index 000000000..f15e2963a
--- /dev/null
+++ b/liteflow-testcase-el/liteflow-testcase-el-springboot/src/test/java/com/yomahub/liteflow/test/abstractChain/cmp/KCmp.java
@@ -0,0 +1,14 @@
+package com.yomahub.liteflow.test.abstractChain.cmp;
+
+import com.yomahub.liteflow.core.NodeComponent;
+import org.springframework.stereotype.Component;
+
+@Component("k")
+public class KCmp extends NodeComponent {
+
+	@Override
+	public void process() {
+		System.out.println("KCmp executed!");
+	}
+
+}
diff --git a/liteflow-testcase-el/liteflow-testcase-el-springboot/src/test/resources/abstractChain/application.properties b/liteflow-testcase-el/liteflow-testcase-el-springboot/src/test/resources/abstractChain/application.properties
new file mode 100644
index 000000000..f1132eca0
--- /dev/null
+++ b/liteflow-testcase-el/liteflow-testcase-el-springboot/src/test/resources/abstractChain/application.properties
@@ -0,0 +1 @@
+liteflow.rule-source=abstractChain/flow.el.xml
\ No newline at end of file
diff --git a/liteflow-testcase-el/liteflow-testcase-el-springboot/src/test/resources/abstractChain/flow.el.xml b/liteflow-testcase-el/liteflow-testcase-el-springboot/src/test/resources/abstractChain/flow.el.xml
new file mode 100644
index 000000000..f647ed40e
--- /dev/null
+++ b/liteflow-testcase-el/liteflow-testcase-el-springboot/src/test/resources/abstractChain/flow.el.xml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<flow>
+    <chain abstract="true" id="base">
+        THEN(a, b, {0}, {1})
+    </chain>
+
+    <chain id="implA" extends="base">
+        {0}=IF(c, d, e);
+        {1}=SWITCH(f).to(j,k);
+    </chain>
+</flow>
\ No newline at end of file