diff --git a/liteflow-core/src/main/java/com/yomahub/liteflow/flow/element/Node.java b/liteflow-core/src/main/java/com/yomahub/liteflow/flow/element/Node.java
index 225163b70..62071d45f 100644
--- a/liteflow-core/src/main/java/com/yomahub/liteflow/flow/element/Node.java
+++ b/liteflow-core/src/main/java/com/yomahub/liteflow/flow/element/Node.java
@@ -193,15 +193,10 @@ public class Node implements Executable, Cloneable, Rollbackable{
 				String errorInfo = StrUtil.format("[{}] lead the chain to end", instance.getDisplayName());
 				throw new ChainEndException(errorInfo);
 			}
-		}
-		catch (ChainEndException e) {
-			throw e;
-		}
-		catch (Exception e) {
+		}catch (Exception e) {
 			// 如果组件覆盖了isEnd方法，或者在在逻辑中主要调用了setEnd(true)的话，流程就会立马结束
-			if (instance.isEnd()) {
-				String errorInfo = StrUtil.format("[{}] lead the chain to end", instance.getDisplayName());
-				throw new ChainEndException(errorInfo);
+			if (e instanceof ChainEndException) {
+				throw e;
 			}
 			// 如果组件覆盖了isContinueOnError方法，返回为true，那即便出了异常，也会继续流程
 			else if (getIsContinueOnErrorResult() || instance.isContinueOnError()) {
diff --git a/liteflow-testcase-el/liteflow-testcase-el-script-javaxpro-springboot/src/test/java/com/yomahub/liteflow/test/script/javaxpro/common/ScriptJavaxProCommonELTest.java b/liteflow-testcase-el/liteflow-testcase-el-script-javaxpro-springboot/src/test/java/com/yomahub/liteflow/test/script/javaxpro/common/ScriptJavaxProCommonELTest.java
index cfb4caa83..e51d26e80 100644
--- a/liteflow-testcase-el/liteflow-testcase-el-script-javaxpro-springboot/src/test/java/com/yomahub/liteflow/test/script/javaxpro/common/ScriptJavaxProCommonELTest.java
+++ b/liteflow-testcase-el/liteflow-testcase-el-script-javaxpro-springboot/src/test/java/com/yomahub/liteflow/test/script/javaxpro/common/ScriptJavaxProCommonELTest.java
@@ -40,4 +40,4 @@ public class ScriptJavaxProCommonELTest extends BaseTest {
         LiteflowResponse response = flowExecutor.execute2Resp("chain2", "arg");
         Assertions.assertTrue(response.isSuccess());
     }
-}
+}
\ No newline at end of file
diff --git a/liteflow-testcase-el/liteflow-testcase-el-script-javaxpro-springboot/src/test/java/com/yomahub/liteflow/test/script/javaxpro/override/ScriptJavaxProOverrideELTest.java b/liteflow-testcase-el/liteflow-testcase-el-script-javaxpro-springboot/src/test/java/com/yomahub/liteflow/test/script/javaxpro/override/ScriptJavaxProOverrideELTest.java
new file mode 100644
index 000000000..2a445b586
--- /dev/null
+++ b/liteflow-testcase-el/liteflow-testcase-el-script-javaxpro-springboot/src/test/java/com/yomahub/liteflow/test/script/javaxpro/override/ScriptJavaxProOverrideELTest.java
@@ -0,0 +1,95 @@
+package com.yomahub.liteflow.test.script.javaxpro.override;
+
+import cn.hutool.core.util.BooleanUtil;
+import com.yomahub.liteflow.core.FlowExecutor;
+import com.yomahub.liteflow.flow.LiteflowResponse;
+import com.yomahub.liteflow.slot.DefaultContext;
+import com.yomahub.liteflow.test.BaseTest;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+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 org.springframework.test.context.junit.jupiter.SpringExtension;
+
+import javax.annotation.Resource;
+
+@ExtendWith(SpringExtension.class)
+@TestPropertySource(value = "classpath:/override/application.properties")
+@SpringBootTest(classes = ScriptJavaxProOverrideELTest.class)
+@EnableAutoConfiguration
+@ComponentScan({ "com.yomahub.liteflow.test.script.javaxpro.override.cmp" })
+public class ScriptJavaxProOverrideELTest extends BaseTest {
+
+    @Resource
+    private FlowExecutor flowExecutor;
+
+    //覆盖isAccess
+    @Test
+    public void testJavaxPro1() {
+        LiteflowResponse response = flowExecutor.execute2Resp("chain1", 3, DefaultContext.class);
+        Assertions.assertEquals("a", response.getExecuteStepStr());
+    }
+
+    //覆盖isContinueOnError
+    @Test
+    public void testJavaxPro2() {
+        LiteflowResponse response = flowExecutor.execute2Resp("chain2", null, DefaultContext.class);
+        Assertions.assertEquals("s2==>a", response.getExecuteStepStrWithoutTime());
+    }
+
+    //设置setIsEnd(true)
+    @Test
+    public void testJavaxPro3() {
+        LiteflowResponse response = flowExecutor.execute2Resp("chain3", null, DefaultContext.class);
+        Assertions.assertTrue(response.isSuccess());
+        Assertions.assertNull(response.getCause());
+        Assertions.assertEquals("a==>s3", response.getExecuteStepStrWithoutTime());
+    }
+
+    //覆盖beforeProcess和afterProcess
+    @Test
+    public void testJavaxPro4() {
+        LiteflowResponse response = flowExecutor.execute2Resp("chain4", null, DefaultContext.class);
+        Assertions.assertTrue(response.isSuccess());
+        Assertions.assertEquals("a==>s4", response.getExecuteStepStrWithoutTime());
+        DefaultContext context = response.getFirstContextBean();
+        Assertions.assertTrue((Boolean) context.getData("before"));
+        Assertions.assertTrue((Boolean) context.getData("after"));
+    }
+
+    //覆盖onSuccess
+    @Test
+    public void testJavaxPro5() {
+        LiteflowResponse response = flowExecutor.execute2Resp("chain5", null, DefaultContext.class);
+        Assertions.assertTrue(response.isSuccess());
+        Assertions.assertEquals("a==>s5", response.getExecuteStepStrWithoutTime());
+        DefaultContext context = response.getFirstContextBean();
+        Assertions.assertTrue((Boolean) context.getData("successFlag"));
+    }
+
+    //覆盖onError
+    @Test
+    public void testJavaxPro6() {
+        LiteflowResponse response = flowExecutor.execute2Resp("chain6", null, DefaultContext.class);
+        DefaultContext context = response.getFirstContextBean();
+        Assertions.assertFalse(response.isSuccess());
+        Assertions.assertEquals("a==>s6", response.getExecuteStepStrWithoutTime());
+        Assertions.assertNotNull(response.getCause());
+        Assertions.assertTrue((Boolean) context.getData("errorFlag"));
+        Assertions.assertEquals("test error", context.getData("errorMsg"));
+    }
+
+    //覆盖rollback
+    @Test
+    public void testJavaxPro7() {
+        LiteflowResponse response = flowExecutor.execute2Resp("chain7", null, DefaultContext.class);
+        DefaultContext context = response.getFirstContextBean();
+        Assertions.assertFalse(response.isSuccess());
+        Assertions.assertEquals("s7==>b", response.getExecuteStepStrWithoutTime());
+        Assertions.assertEquals("b==>s7", response.getRollbackStepStrWithoutTime());
+        Assertions.assertTrue((Boolean) context.getData("rollbackFlag"));
+    }
+}
\ No newline at end of file
diff --git a/liteflow-testcase-el/liteflow-testcase-el-script-javaxpro-springboot/src/test/java/com/yomahub/liteflow/test/script/javaxpro/override/cmp/ACmp.java b/liteflow-testcase-el/liteflow-testcase-el-script-javaxpro-springboot/src/test/java/com/yomahub/liteflow/test/script/javaxpro/override/cmp/ACmp.java
new file mode 100644
index 000000000..7c39210a8
--- /dev/null
+++ b/liteflow-testcase-el/liteflow-testcase-el-script-javaxpro-springboot/src/test/java/com/yomahub/liteflow/test/script/javaxpro/override/cmp/ACmp.java
@@ -0,0 +1,20 @@
+/**
+ * <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.script.javaxpro.override.cmp;
+
+import com.yomahub.liteflow.annotation.LiteflowComponent;
+import com.yomahub.liteflow.core.NodeComponent;
+
+@LiteflowComponent("a")
+public class ACmp extends NodeComponent {
+
+	@Override
+	public void process() {
+		System.out.println("ACmp executed!");
+	}
+}
diff --git a/liteflow-testcase-el/liteflow-testcase-el-script-javaxpro-springboot/src/test/java/com/yomahub/liteflow/test/script/javaxpro/override/cmp/BCmp.java b/liteflow-testcase-el/liteflow-testcase-el-script-javaxpro-springboot/src/test/java/com/yomahub/liteflow/test/script/javaxpro/override/cmp/BCmp.java
new file mode 100644
index 000000000..06b809e8f
--- /dev/null
+++ b/liteflow-testcase-el/liteflow-testcase-el-script-javaxpro-springboot/src/test/java/com/yomahub/liteflow/test/script/javaxpro/override/cmp/BCmp.java
@@ -0,0 +1,25 @@
+/**
+ * <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.script.javaxpro.override.cmp;
+
+import com.yomahub.liteflow.annotation.LiteflowComponent;
+import com.yomahub.liteflow.core.NodeComponent;
+
+@LiteflowComponent("b")
+public class BCmp extends NodeComponent {
+
+	@Override
+	public void process() {
+		throw new RuntimeException("error");
+	}
+
+	@Override
+	public void rollback() throws Exception {
+		super.rollback();
+	}
+}
diff --git a/liteflow-testcase-el/liteflow-testcase-el-script-javaxpro-springboot/src/test/resources/override/application.properties b/liteflow-testcase-el/liteflow-testcase-el-script-javaxpro-springboot/src/test/resources/override/application.properties
new file mode 100644
index 000000000..f6d01a996
--- /dev/null
+++ b/liteflow-testcase-el/liteflow-testcase-el-script-javaxpro-springboot/src/test/resources/override/application.properties
@@ -0,0 +1 @@
+liteflow.rule-source=override/flow.xml
\ No newline at end of file
diff --git a/liteflow-testcase-el/liteflow-testcase-el-script-javaxpro-springboot/src/test/resources/override/flow.xml b/liteflow-testcase-el/liteflow-testcase-el-script-javaxpro-springboot/src/test/resources/override/flow.xml
new file mode 100644
index 000000000..2ad9c86a7
--- /dev/null
+++ b/liteflow-testcase-el/liteflow-testcase-el-script-javaxpro-springboot/src/test/resources/override/flow.xml
@@ -0,0 +1,182 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE flow PUBLIC  "liteflow" "liteflow.dtd">
+<flow>
+    <nodes>
+        <node id="s1" type="script" language="java">
+            <![CDATA[
+            import com.yomahub.liteflow.core.NodeComponent;
+
+            import java.util.List;
+
+            public class Demo extends NodeComponent {
+                @Override
+                public void process() throws Exception {
+
+                }
+
+                @Override
+                public boolean isAccess() {
+                    Integer index = this.getRequestData();
+                    return index > 5;
+                }
+            }
+            ]]>
+        </node>
+
+        <node id="s2" type="script" language="java">
+            <![CDATA[
+            import com.yomahub.liteflow.core.NodeComponent;
+
+            import java.util.List;
+
+            public class Demo extends NodeComponent {
+                @Override
+                public void process() throws Exception {
+                    throw new RuntimeException("test error");
+                }
+
+                @Override
+                public boolean isContinueOnError() {
+                    return true;
+                }
+            }
+            ]]>
+        </node>
+
+        <node id="s3" type="script" language="java">
+            <![CDATA[
+            import com.yomahub.liteflow.core.NodeComponent;
+
+            import java.util.List;
+
+            public class Demo extends NodeComponent {
+                @Override
+                public void process() throws Exception {
+                    this.setIsEnd(true);
+                }
+            }
+            ]]>
+        </node>
+
+        <node id="s4" type="script" language="java">
+            <![CDATA[
+            import com.yomahub.liteflow.core.NodeComponent;
+            import com.yomahub.liteflow.slot.DefaultContext;
+
+            import java.util.List;
+
+            public class Demo extends NodeComponent {
+                @Override
+                public void process() throws Exception {
+                }
+
+                @Override
+                public void beforeProcess() {
+                    DefaultContext context = this.getContextBean(DefaultContext.class);
+                    context.setData("before", true);
+                }
+
+                @Override
+                public void afterProcess() {
+                    DefaultContext context = this.getContextBean(DefaultContext.class);
+                    context.setData("after", true);
+                }
+            }
+            ]]>
+        </node>
+
+        <node id="s5" type="script" language="java">
+            <![CDATA[
+            import com.yomahub.liteflow.core.NodeComponent;
+            import com.yomahub.liteflow.slot.DefaultContext;
+
+            import java.util.List;
+
+            public class Demo extends NodeComponent {
+                @Override
+                public void process() throws Exception {
+                }
+
+                @Override
+                public void onSuccess() throws Exception {
+                    DefaultContext context = this.getContextBean(DefaultContext.class);
+                    context.setData("successFlag", true);
+                }
+            }
+            ]]>
+        </node>
+
+        <node id="s6" type="script" language="java">
+            <![CDATA[
+            import com.yomahub.liteflow.core.NodeComponent;
+            import com.yomahub.liteflow.slot.DefaultContext;
+
+            import java.util.List;
+
+            public class Demo extends NodeComponent {
+                @Override
+                public void process() throws Exception {
+                    throw new RuntimeException("test error");
+                }
+
+                @Override
+                public void onError(Exception e) throws Exception {
+                    DefaultContext context = this.getContextBean(DefaultContext.class);
+                    context.setData("errorFlag", true);
+                    context.setData("errorMsg", e.getMessage());
+                }
+            }
+            ]]>
+        </node>
+
+        <node id="s7" type="script" language="java">
+            <![CDATA[
+            import com.yomahub.liteflow.core.NodeComponent;
+            import com.yomahub.liteflow.slot.DefaultContext;
+
+            import java.util.List;
+
+            public class Demo extends NodeComponent {
+                @Override
+                public void process() throws Exception {
+
+                }
+
+                @Override
+                public void rollback() throws Exception {
+                    DefaultContext context = this.getContextBean(DefaultContext.class);
+                    context.setData("rollbackFlag", true);
+                }
+            }
+            ]]>
+        </node>
+    </nodes>
+
+    <chain id="chain1">
+        THEN(s1, a);
+    </chain>
+
+    <chain id="chain2">
+        THEN(s2, a);
+    </chain>
+
+    <chain id="chain3">
+        THEN(a, s3);
+    </chain>
+
+    <chain id="chain4">
+        THEN(a, s4);
+    </chain>
+
+    <chain id="chain5">
+        THEN(a, s5);
+    </chain>
+
+    <chain id="chain6">
+        THEN(a, s6);
+    </chain>
+
+    <chain id="chain7">
+        THEN(s7, b);
+    </chain>
+</flow>
\ No newline at end of file