diff --git a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/BaseTest.java b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/BaseTest.java
index dacc3f9be..2dc0c9b8e 100644
--- a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/BaseTest.java
+++ b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/BaseTest.java
@@ -1,5 +1,6 @@
 package com.yomahub.liteflow.test;
 
+import com.yomahub.liteflow.core.FlowExecutorHolder;
 import com.yomahub.liteflow.flow.FlowBus;
 import com.yomahub.liteflow.property.LiteflowConfigGetter;
 import com.yomahub.liteflow.spi.holder.SpiFactoryCleaner;
@@ -14,5 +15,6 @@ public class BaseTest {
         ExecutorHelper.loadInstance().clearExecutorServiceMap();
         SpiFactoryCleaner.clean();
         LiteflowConfigGetter.clean();
+        FlowExecutorHolder.clean();
     }
 }
diff --git a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/absoluteConfigPath/AbsoluteConfigPathTest.java b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/absoluteConfigPath/AbsoluteConfigPathTest.java
index 387c91553..461f52b66 100644
--- a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/absoluteConfigPath/AbsoluteConfigPathTest.java
+++ b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/absoluteConfigPath/AbsoluteConfigPathTest.java
@@ -1,6 +1,7 @@
 package com.yomahub.liteflow.test.absoluteConfigPath;
 
 import com.yomahub.liteflow.core.FlowExecutor;
+import com.yomahub.liteflow.core.FlowExecutorHolder;
 import com.yomahub.liteflow.entity.data.DefaultSlot;
 import com.yomahub.liteflow.entity.data.LiteflowResponse;
 import com.yomahub.liteflow.property.LiteflowConfig;
@@ -22,7 +23,7 @@ public class AbsoluteConfigPathTest extends BaseTest {
     public static void init(){
         LiteflowConfig config = new LiteflowConfig();
         config.setRuleSource("/usr/local/flow2.xml");
-        flowExecutor = FlowExecutor.loadInstance(config);
+        flowExecutor = FlowExecutorHolder.loadInstance(config);
     }
 
     @Test
diff --git a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/asyncNode/AsyncNodeTest.java b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/asyncNode/AsyncNodeTest.java
index 5e1adf6b2..42e23299f 100644
--- a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/asyncNode/AsyncNodeTest.java
+++ b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/asyncNode/AsyncNodeTest.java
@@ -2,6 +2,7 @@ package com.yomahub.liteflow.test.asyncNode;
 
 import cn.hutool.core.collection.ListUtil;
 import com.yomahub.liteflow.core.FlowExecutor;
+import com.yomahub.liteflow.core.FlowExecutorHolder;
 import com.yomahub.liteflow.entity.data.DefaultSlot;
 import com.yomahub.liteflow.entity.data.LiteflowResponse;
 import com.yomahub.liteflow.property.LiteflowConfig;
@@ -27,7 +28,7 @@ public class AsyncNodeTest extends BaseTest {
     public static void init(){
         LiteflowConfig config = new LiteflowConfig();
         config.setRuleSource("asyncNode/flow.xml");
-        flowExecutor = FlowExecutor.loadInstance(config);
+        flowExecutor = FlowExecutorHolder.loadInstance(config);
     }
 
     /*****
diff --git a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/base/BaseCommonTest.java b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/base/BaseCommonTest.java
index 94b7735ac..25b806846 100644
--- a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/base/BaseCommonTest.java
+++ b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/base/BaseCommonTest.java
@@ -1,6 +1,7 @@
 package com.yomahub.liteflow.test.base;
 
 import com.yomahub.liteflow.core.FlowExecutor;
+import com.yomahub.liteflow.core.FlowExecutorHolder;
 import com.yomahub.liteflow.entity.data.DefaultSlot;
 import com.yomahub.liteflow.entity.data.LiteflowResponse;
 import com.yomahub.liteflow.property.LiteflowConfig;
@@ -16,7 +17,7 @@ public class BaseCommonTest {
     public static void init(){
         LiteflowConfig config = new LiteflowConfig();
         config.setRuleSource("base/flow.xml");
-        flowExecutor = FlowExecutor.loadInstance(config);
+        flowExecutor = FlowExecutorHolder.loadInstance(config);
     }
 
     @Test
diff --git a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/builder/BuilderTest.java b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/builder/BuilderTest.java
index c20b7a783..d9c72be1d 100644
--- a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/builder/BuilderTest.java
+++ b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/builder/BuilderTest.java
@@ -4,6 +4,7 @@ import com.yomahub.liteflow.builder.LiteFlowChainBuilder;
 import com.yomahub.liteflow.builder.LiteFlowConditionBuilder;
 import com.yomahub.liteflow.builder.LiteFlowNodeBuilder;
 import com.yomahub.liteflow.core.FlowExecutor;
+import com.yomahub.liteflow.core.FlowExecutorHolder;
 import com.yomahub.liteflow.entity.data.DefaultSlot;
 import com.yomahub.liteflow.entity.data.LiteflowResponse;
 import com.yomahub.liteflow.enums.NodeTypeEnum;
@@ -20,7 +21,7 @@ public class BuilderTest extends BaseTest {
     @BeforeClass
     public static void init(){
         LiteflowConfig config = new LiteflowConfig();
-        flowExecutor = FlowExecutor.loadInstance(config);
+        flowExecutor = FlowExecutorHolder.loadInstance(config);
     }
 
     //基于普通组件的builder模式测试
diff --git a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/cmpRetry/LiteflowRetryTest.java b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/cmpRetry/LiteflowRetryTest.java
index 6aa03f304..eabc01f7f 100644
--- a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/cmpRetry/LiteflowRetryTest.java
+++ b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/cmpRetry/LiteflowRetryTest.java
@@ -1,6 +1,7 @@
 package com.yomahub.liteflow.test.cmpRetry;
 
 import com.yomahub.liteflow.core.FlowExecutor;
+import com.yomahub.liteflow.core.FlowExecutorHolder;
 import com.yomahub.liteflow.entity.data.DefaultSlot;
 import com.yomahub.liteflow.entity.data.LiteflowResponse;
 import com.yomahub.liteflow.property.LiteflowConfig;
@@ -28,7 +29,7 @@ public class LiteflowRetryTest extends BaseTest {
         config.setRuleSource("cmpRetry/flow.xml");
         config.setRetryCount(3);
         config.setSlotSize(512);
-        flowExecutor = FlowExecutor.loadInstance(config);
+        flowExecutor = FlowExecutorHolder.loadInstance(config);
     }
 
     //全局重试配置测试
diff --git a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/component/FlowExecutorTest.java b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/component/FlowExecutorTest.java
index 5e5e3d80e..b879e7754 100644
--- a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/component/FlowExecutorTest.java
+++ b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/component/FlowExecutorTest.java
@@ -1,6 +1,7 @@
 package com.yomahub.liteflow.test.component;
 
 import com.yomahub.liteflow.core.FlowExecutor;
+import com.yomahub.liteflow.core.FlowExecutorHolder;
 import com.yomahub.liteflow.entity.data.DefaultSlot;
 import com.yomahub.liteflow.entity.data.LiteflowResponse;
 import com.yomahub.liteflow.property.LiteflowConfig;
@@ -24,7 +25,7 @@ public class FlowExecutorTest extends BaseTest {
     public static void init(){
         LiteflowConfig config = new LiteflowConfig();
         config.setRuleSource("component/flow.xml");
-        flowExecutor = FlowExecutor.loadInstance(config);
+        flowExecutor = FlowExecutorHolder.loadInstance(config);
     }
 
     //isAccess方法的功能测试
diff --git a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/config/LiteflowConfigTest1.java b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/config/LiteflowConfigTest1.java
index 1d0141fc5..20d73b679 100644
--- a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/config/LiteflowConfigTest1.java
+++ b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/config/LiteflowConfigTest1.java
@@ -1,6 +1,7 @@
 package com.yomahub.liteflow.test.config;
 
 import com.yomahub.liteflow.core.FlowExecutor;
+import com.yomahub.liteflow.core.FlowExecutorHolder;
 import com.yomahub.liteflow.entity.data.DefaultSlot;
 import com.yomahub.liteflow.entity.data.LiteflowResponse;
 import com.yomahub.liteflow.property.LiteflowConfig;
@@ -23,7 +24,7 @@ public class LiteflowConfigTest1 extends BaseTest {
     public static void init(){
         LiteflowConfig config = new LiteflowConfig();
         config.setRuleSource("config/flow.xml");
-        flowExecutor = FlowExecutor.loadInstance(config);
+        flowExecutor = FlowExecutorHolder.loadInstance(config);
     }
     
     @Test
diff --git a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/customWhenThreadPool/CustomWhenThreadPoolTest.java b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/customWhenThreadPool/CustomWhenThreadPoolTest.java
index 087b01663..461fce8f7 100644
--- a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/customWhenThreadPool/CustomWhenThreadPoolTest.java
+++ b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/customWhenThreadPool/CustomWhenThreadPoolTest.java
@@ -1,6 +1,7 @@
 package com.yomahub.liteflow.test.customWhenThreadPool;
 
 import com.yomahub.liteflow.core.FlowExecutor;
+import com.yomahub.liteflow.core.FlowExecutorHolder;
 import com.yomahub.liteflow.entity.data.DefaultSlot;
 import com.yomahub.liteflow.entity.data.LiteflowResponse;
 import com.yomahub.liteflow.property.LiteflowConfig;
@@ -23,7 +24,7 @@ public class CustomWhenThreadPoolTest extends BaseTest {
     public static void init(){
         LiteflowConfig config = new LiteflowConfig();
         config.setRuleSource("customWhenThreadPool/flow.xml");
-        flowExecutor = FlowExecutor.loadInstance(config);
+        flowExecutor = FlowExecutorHolder.loadInstance(config);
     }
 
     /**
diff --git a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/emptyflow/EmptyFlowTest.java b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/emptyflow/EmptyFlowTest.java
index 994c2be17..26bd5607d 100644
--- a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/emptyflow/EmptyFlowTest.java
+++ b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/emptyflow/EmptyFlowTest.java
@@ -1,6 +1,7 @@
 package com.yomahub.liteflow.test.emptyflow;
 
 import com.yomahub.liteflow.core.FlowExecutor;
+import com.yomahub.liteflow.core.FlowExecutorHolder;
 import com.yomahub.liteflow.property.LiteflowConfig;
 import com.yomahub.liteflow.test.BaseTest;
 import org.junit.BeforeClass;
@@ -18,7 +19,7 @@ public class EmptyFlowTest extends BaseTest {
     public static void init(){
         LiteflowConfig config = new LiteflowConfig();
         config.setRuleSource("emptyflow/flow.xml");
-        flowExecutor = FlowExecutor.loadInstance(config);
+        flowExecutor = FlowExecutorHolder.loadInstance(config);
     }
 
     //测试空flow的情况下，liteflow是否能正常启动
diff --git a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/exception/ExceptionTest.java b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/exception/ExceptionTest.java
index 5c6b9ea33..2f770e388 100644
--- a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/exception/ExceptionTest.java
+++ b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/exception/ExceptionTest.java
@@ -1,6 +1,7 @@
 package com.yomahub.liteflow.test.exception;
 
 import com.yomahub.liteflow.core.FlowExecutor;
+import com.yomahub.liteflow.core.FlowExecutorHolder;
 import com.yomahub.liteflow.entity.data.DefaultSlot;
 import com.yomahub.liteflow.entity.data.LiteflowResponse;
 import com.yomahub.liteflow.exception.ChainNotFoundException;
@@ -28,7 +29,7 @@ public class ExceptionTest extends BaseTest {
         LiteflowConfig config = new LiteflowConfig();
         config.setRuleSource("exception/flow.xml");
         config.setWhenMaxWaitSeconds(1);
-        flowExecutor = FlowExecutor.loadInstance(config);
+        flowExecutor = FlowExecutorHolder.loadInstance(config);
     }
 
     @Test(expected = FlowExecutorNotInitException.class)
diff --git a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/flowmeta/FlowMetaTest.java b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/flowmeta/FlowMetaTest.java
index f5474815f..3e6f7920d 100644
--- a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/flowmeta/FlowMetaTest.java
+++ b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/flowmeta/FlowMetaTest.java
@@ -1,6 +1,7 @@
 package com.yomahub.liteflow.test.flowmeta;
 
 import com.yomahub.liteflow.core.FlowExecutor;
+import com.yomahub.liteflow.core.FlowExecutorHolder;
 import com.yomahub.liteflow.entity.data.DefaultSlot;
 import com.yomahub.liteflow.entity.data.LiteflowResponse;
 import com.yomahub.liteflow.flow.FlowBus;
@@ -20,7 +21,7 @@ public class FlowMetaTest extends BaseTest {
         LiteflowConfig config = new LiteflowConfig();
         config.setRuleSource("flowmeta/flow.xml");
         config.setParseOnStart(false);
-        flowExecutor = FlowExecutor.loadInstance(config);
+        flowExecutor = FlowExecutorHolder.loadInstance(config);
     }
 
     //测试动态添加元信息节点
diff --git a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/multipleType/LiteflowMultipleTypeTest.java b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/multipleType/LiteflowMultipleTypeTest.java
index 7ec1667f0..6503bad44 100644
--- a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/multipleType/LiteflowMultipleTypeTest.java
+++ b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/multipleType/LiteflowMultipleTypeTest.java
@@ -1,6 +1,7 @@
 package com.yomahub.liteflow.test.multipleType;
 
 import com.yomahub.liteflow.core.FlowExecutor;
+import com.yomahub.liteflow.core.FlowExecutorHolder;
 import com.yomahub.liteflow.entity.data.DefaultSlot;
 import com.yomahub.liteflow.entity.data.LiteflowResponse;
 import com.yomahub.liteflow.property.LiteflowConfig;
@@ -23,7 +24,7 @@ public class LiteflowMultipleTypeTest extends BaseTest {
         LiteflowConfig config = new LiteflowConfig();
         config.setRuleSource("multipleType/flow.xml,multipleType/flow.yml");
         config.setSupportMultipleType(true);
-        flowExecutor = FlowExecutor.loadInstance(config);
+        flowExecutor = FlowExecutorHolder.loadInstance(config);
     }
 
     @Test
diff --git a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/nodeExecutor/LiteflowNodeExecutorTest.java b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/nodeExecutor/LiteflowNodeExecutorTest.java
index 60153647c..100887598 100644
--- a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/nodeExecutor/LiteflowNodeExecutorTest.java
+++ b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/nodeExecutor/LiteflowNodeExecutorTest.java
@@ -1,6 +1,7 @@
 package com.yomahub.liteflow.test.nodeExecutor;
 
 import com.yomahub.liteflow.core.FlowExecutor;
+import com.yomahub.liteflow.core.FlowExecutorHolder;
 import com.yomahub.liteflow.entity.data.DefaultSlot;
 import com.yomahub.liteflow.entity.data.LiteflowResponse;
 import com.yomahub.liteflow.property.LiteflowConfig;
@@ -26,7 +27,7 @@ public class LiteflowNodeExecutorTest extends BaseTest {
         config.setRetryCount(3);
         config.setSlotSize(512);
         config.setNodeExecutorClass("com.yomahub.liteflow.test.nodeExecutor.CustomerDefaultNodeExecutor");
-        flowExecutor = FlowExecutor.loadInstance(config);
+        flowExecutor = FlowExecutorHolder.loadInstance(config);
     }
 
     // 默认执行器测试
diff --git a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/nullParam/NullParamTest.java b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/nullParam/NullParamTest.java
index cfd17ea05..964bb402c 100644
--- a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/nullParam/NullParamTest.java
+++ b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/nullParam/NullParamTest.java
@@ -1,6 +1,7 @@
 package com.yomahub.liteflow.test.nullParam;
 
 import com.yomahub.liteflow.core.FlowExecutor;
+import com.yomahub.liteflow.core.FlowExecutorHolder;
 import com.yomahub.liteflow.entity.data.DefaultSlot;
 import com.yomahub.liteflow.entity.data.LiteflowResponse;
 import com.yomahub.liteflow.property.LiteflowConfig;
@@ -22,7 +23,7 @@ public class NullParamTest {
     public static void init(){
         LiteflowConfig config = new LiteflowConfig();
         config.setRuleSource("nullParam/flow.xml");
-        flowExecutor = FlowExecutor.loadInstance(config);
+        flowExecutor = FlowExecutorHolder.loadInstance(config);
     }
 
     /**
diff --git a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/parsecustom/CustomParserJsonTest.java b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/parsecustom/CustomParserJsonTest.java
index 6731dfbdd..a67f75867 100644
--- a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/parsecustom/CustomParserJsonTest.java
+++ b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/parsecustom/CustomParserJsonTest.java
@@ -1,6 +1,7 @@
 package com.yomahub.liteflow.test.parsecustom;
 
 import com.yomahub.liteflow.core.FlowExecutor;
+import com.yomahub.liteflow.core.FlowExecutorHolder;
 import com.yomahub.liteflow.entity.data.DefaultSlot;
 import com.yomahub.liteflow.entity.data.LiteflowResponse;
 import com.yomahub.liteflow.property.LiteflowConfig;
@@ -22,7 +23,7 @@ public class CustomParserJsonTest extends BaseTest {
     public static void init(){
         LiteflowConfig config = new LiteflowConfig();
         config.setRuleSource("com.yomahub.liteflow.test.parsecustom.parser.CustomJsonFlowParser");
-        flowExecutor = FlowExecutor.loadInstance(config);
+        flowExecutor = FlowExecutorHolder.loadInstance(config);
     }
 
     //测试springboot场景的自定义json parser
diff --git a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/parsecustom/CustomParserXmlTest.java b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/parsecustom/CustomParserXmlTest.java
index 31bf93a4b..5a360e46c 100644
--- a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/parsecustom/CustomParserXmlTest.java
+++ b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/parsecustom/CustomParserXmlTest.java
@@ -1,6 +1,7 @@
 package com.yomahub.liteflow.test.parsecustom;
 
 import com.yomahub.liteflow.core.FlowExecutor;
+import com.yomahub.liteflow.core.FlowExecutorHolder;
 import com.yomahub.liteflow.entity.data.DefaultSlot;
 import com.yomahub.liteflow.entity.data.LiteflowResponse;
 import com.yomahub.liteflow.property.LiteflowConfig;
@@ -22,7 +23,7 @@ public class CustomParserXmlTest extends BaseTest {
     public static void init(){
         LiteflowConfig config = new LiteflowConfig();
         config.setRuleSource("com.yomahub.liteflow.test.parsecustom.parser.CustomXmlFlowParser");
-        flowExecutor = FlowExecutor.loadInstance(config);
+        flowExecutor = FlowExecutorHolder.loadInstance(config);
     }
 
     //测试springboot场景的自定义json parser
diff --git a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/parser/JsonParserTest.java b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/parser/JsonParserTest.java
index c0f3071fb..4656ce5be 100644
--- a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/parser/JsonParserTest.java
+++ b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/parser/JsonParserTest.java
@@ -1,6 +1,7 @@
 package com.yomahub.liteflow.test.parser;
 
 import com.yomahub.liteflow.core.FlowExecutor;
+import com.yomahub.liteflow.core.FlowExecutorHolder;
 import com.yomahub.liteflow.entity.data.DefaultSlot;
 import com.yomahub.liteflow.entity.data.LiteflowResponse;
 import com.yomahub.liteflow.property.LiteflowConfig;
@@ -22,7 +23,7 @@ public class JsonParserTest extends BaseTest {
     public static void init(){
         LiteflowConfig config = new LiteflowConfig();
         config.setRuleSource("parser/flow.json");
-        flowExecutor = FlowExecutor.loadInstance(config);
+        flowExecutor = FlowExecutorHolder.loadInstance(config);
     }
 
     //测试spring场景的json parser
diff --git a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/parser/XmlParserTest.java b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/parser/XmlParserTest.java
index c29d3db4d..b7a44df55 100644
--- a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/parser/XmlParserTest.java
+++ b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/parser/XmlParserTest.java
@@ -1,6 +1,7 @@
 package com.yomahub.liteflow.test.parser;
 
 import com.yomahub.liteflow.core.FlowExecutor;
+import com.yomahub.liteflow.core.FlowExecutorHolder;
 import com.yomahub.liteflow.entity.data.DefaultSlot;
 import com.yomahub.liteflow.entity.data.LiteflowResponse;
 import com.yomahub.liteflow.property.LiteflowConfig;
@@ -22,7 +23,7 @@ public class XmlParserTest extends BaseTest {
     public static void init(){
         LiteflowConfig config = new LiteflowConfig();
         config.setRuleSource("parser/flow.xml");
-        flowExecutor = FlowExecutor.loadInstance(config);
+        flowExecutor = FlowExecutorHolder.loadInstance(config);
     }
 
     //测试无springboot场景的xml parser
diff --git a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/parser/YmlParserTest.java b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/parser/YmlParserTest.java
index fadc554d9..4afa05dd6 100644
--- a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/parser/YmlParserTest.java
+++ b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/parser/YmlParserTest.java
@@ -1,6 +1,7 @@
 package com.yomahub.liteflow.test.parser;
 
 import com.yomahub.liteflow.core.FlowExecutor;
+import com.yomahub.liteflow.core.FlowExecutorHolder;
 import com.yomahub.liteflow.entity.data.DefaultSlot;
 import com.yomahub.liteflow.entity.data.LiteflowResponse;
 import com.yomahub.liteflow.property.LiteflowConfig;
@@ -22,7 +23,7 @@ public class YmlParserTest extends BaseTest {
     public static void init(){
         LiteflowConfig config = new LiteflowConfig();
         config.setRuleSource("parser/flow.yml");
-        flowExecutor = FlowExecutor.loadInstance(config);
+        flowExecutor = FlowExecutorHolder.loadInstance(config);
     }
 
     //测试无springboot场景的yml parser
diff --git a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/preAndFinally/PreAndFinallyTest.java b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/preAndFinally/PreAndFinallyTest.java
index 82aadc790..16a4b2e61 100644
--- a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/preAndFinally/PreAndFinallyTest.java
+++ b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/preAndFinally/PreAndFinallyTest.java
@@ -1,6 +1,7 @@
 package com.yomahub.liteflow.test.preAndFinally;
 
 import com.yomahub.liteflow.core.FlowExecutor;
+import com.yomahub.liteflow.core.FlowExecutorHolder;
 import com.yomahub.liteflow.entity.data.DefaultSlot;
 import com.yomahub.liteflow.entity.data.LiteflowResponse;
 import com.yomahub.liteflow.property.LiteflowConfig;
@@ -22,7 +23,7 @@ public class PreAndFinallyTest extends BaseTest {
     public static void init(){
         LiteflowConfig config = new LiteflowConfig();
         config.setRuleSource("preAndFinally/flow.xml");
-        flowExecutor = FlowExecutor.loadInstance(config);
+        flowExecutor = FlowExecutorHolder.loadInstance(config);
     }
 
     //测试普通的pre和finally节点
diff --git a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/privateDelivery/PrivateDeliveryTest.java b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/privateDelivery/PrivateDeliveryTest.java
index 5ffad07e0..51ccba473 100644
--- a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/privateDelivery/PrivateDeliveryTest.java
+++ b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/privateDelivery/PrivateDeliveryTest.java
@@ -1,6 +1,7 @@
 package com.yomahub.liteflow.test.privateDelivery;
 
 import com.yomahub.liteflow.core.FlowExecutor;
+import com.yomahub.liteflow.core.FlowExecutorHolder;
 import com.yomahub.liteflow.entity.data.DefaultSlot;
 import com.yomahub.liteflow.entity.data.LiteflowResponse;
 import com.yomahub.liteflow.property.LiteflowConfig;
@@ -23,7 +24,7 @@ public class PrivateDeliveryTest extends BaseTest {
     public static void init(){
         LiteflowConfig config = new LiteflowConfig();
         config.setRuleSource("privateDelivery/flow.xml");
-        flowExecutor = FlowExecutor.loadInstance(config);
+        flowExecutor = FlowExecutorHolder.loadInstance(config);
     }
 
     @Test
diff --git a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/refreshRule/RefreshRuleTest.java b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/refreshRule/RefreshRuleTest.java
index 81a190419..455c4c46f 100644
--- a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/refreshRule/RefreshRuleTest.java
+++ b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/refreshRule/RefreshRuleTest.java
@@ -2,6 +2,7 @@ package com.yomahub.liteflow.test.refreshRule;
 
 import cn.hutool.core.io.resource.ResourceUtil;
 import com.yomahub.liteflow.core.FlowExecutor;
+import com.yomahub.liteflow.core.FlowExecutorHolder;
 import com.yomahub.liteflow.entity.data.DefaultSlot;
 import com.yomahub.liteflow.entity.data.LiteflowResponse;
 import com.yomahub.liteflow.enums.FlowParserTypeEnum;
@@ -25,7 +26,7 @@ public class RefreshRuleTest extends BaseTest {
     public static void init(){
         LiteflowConfig config = new LiteflowConfig();
         config.setRuleSource("refreshRule/flow.xml");
-        flowExecutor = FlowExecutor.loadInstance(config);
+        flowExecutor = FlowExecutorHolder.loadInstance(config);
     }
 
     //测试普通刷新流程的场景
diff --git a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/reload/ReloadTest.java b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/reload/ReloadTest.java
index 8d001ed40..f0b88da9a 100644
--- a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/reload/ReloadTest.java
+++ b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/reload/ReloadTest.java
@@ -1,6 +1,7 @@
 package com.yomahub.liteflow.test.reload;
 
 import com.yomahub.liteflow.core.FlowExecutor;
+import com.yomahub.liteflow.core.FlowExecutorHolder;
 import com.yomahub.liteflow.entity.data.DefaultSlot;
 import com.yomahub.liteflow.entity.data.LiteflowResponse;
 import com.yomahub.liteflow.property.LiteflowConfig;
@@ -22,7 +23,7 @@ public class ReloadTest extends BaseTest {
     public static void init(){
         LiteflowConfig config = new LiteflowConfig();
         config.setRuleSource("reload/flow.xml");
-        flowExecutor = FlowExecutor.loadInstance(config);
+        flowExecutor = FlowExecutorHolder.loadInstance(config);
     }
 
     //用reloadRule去重新加载，这里如果配置是放在本地。如果想修改，则要去修改target下面的flow.xml
diff --git a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/resizeSlot/ResizeSlotTest.java b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/resizeSlot/ResizeSlotTest.java
new file mode 100644
index 000000000..5b3679562
--- /dev/null
+++ b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/resizeSlot/ResizeSlotTest.java
@@ -0,0 +1,62 @@
+package com.yomahub.liteflow.test.resizeSlot;
+
+import cn.hutool.core.util.ReflectUtil;
+import com.yomahub.liteflow.core.FlowExecutor;
+import com.yomahub.liteflow.core.FlowExecutorHolder;
+import com.yomahub.liteflow.entity.data.DataBus;
+import com.yomahub.liteflow.entity.data.DefaultSlot;
+import com.yomahub.liteflow.entity.data.LiteflowResponse;
+import com.yomahub.liteflow.property.LiteflowConfig;
+import com.yomahub.liteflow.test.BaseTest;
+import org.junit.Assert;
+import org.junit.BeforeClass;
+import org.junit.Test;
+import java.lang.reflect.Field;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.ConcurrentLinkedQueue;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.Future;
+
+/**
+ * springboot环境下slot扩容测试
+ * @author Bryan.Zhang
+ * @since 2.5.0
+ */
+public class ResizeSlotTest extends BaseTest {
+
+    private static FlowExecutor flowExecutor;
+
+    @BeforeClass
+    public static void init(){
+        LiteflowConfig config = new LiteflowConfig();
+        config.setRuleSource("resizeSlot/flow.xml");
+        config.setSlotSize(4);
+        flowExecutor = FlowExecutorHolder.loadInstance(config);
+    }
+
+    @Test
+    public void testResize() throws Exception{
+        ExecutorService pool = Executors.newCachedThreadPool();
+
+        List<Future<LiteflowResponse<DefaultSlot>>> futureList = new ArrayList<>();
+        for (int i = 0; i < 100; i++) {
+            Future<LiteflowResponse<DefaultSlot>> future = pool.submit(() -> flowExecutor.execute2Resp("chain1", "arg"));
+            futureList.add(future);
+        }
+
+        for(Future<LiteflowResponse<DefaultSlot>> future : futureList){
+            Assert.assertTrue(future.get().isSuccess());
+        }
+
+        //取到static的对象QUEUE
+        Field field = ReflectUtil.getField(DataBus.class, "QUEUE");
+        ConcurrentLinkedQueue<Integer> queue = (ConcurrentLinkedQueue<Integer>) ReflectUtil.getStaticFieldValue(field);
+
+        //因为初始slotSize是4，按照0.75的扩容比，要满足100个线程，应该扩容5~6次，5次=65，6次=114
+        //为什么不是直接114呢？
+        //因为在单测中根据机器的性能，在多线程情况下，有些机器跑的慢一点，也就是说65个就足够了。有些机器跑的快一点，是能真正扩容到114个的
+        Assert.assertTrue(queue.size() > 4);
+    }
+}
diff --git a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/resizeSlot/cmp/ACmp.java b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/resizeSlot/cmp/ACmp.java
new file mode 100644
index 000000000..f2dd79317
--- /dev/null
+++ b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/resizeSlot/cmp/ACmp.java
@@ -0,0 +1,18 @@
+/**
+ * <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.resizeSlot.cmp;
+
+import com.yomahub.liteflow.core.NodeComponent;
+
+public class ACmp extends NodeComponent {
+
+	@Override
+	public void process() {
+		System.out.println("ACmp executed!");
+	}
+}
diff --git a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/resizeSlot/cmp/BCmp.java b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/resizeSlot/cmp/BCmp.java
new file mode 100644
index 000000000..da3cf63a8
--- /dev/null
+++ b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/resizeSlot/cmp/BCmp.java
@@ -0,0 +1,19 @@
+/**
+ * <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.resizeSlot.cmp;
+
+import com.yomahub.liteflow.core.NodeComponent;
+
+public class BCmp extends NodeComponent {
+
+	@Override
+	public void process() {
+		System.out.println("BCmp executed!");
+	}
+
+}
diff --git a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/resizeSlot/cmp/CCmp.java b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/resizeSlot/cmp/CCmp.java
new file mode 100644
index 000000000..48a4c2ca4
--- /dev/null
+++ b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/resizeSlot/cmp/CCmp.java
@@ -0,0 +1,19 @@
+/**
+ * <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.resizeSlot.cmp;
+
+import com.yomahub.liteflow.core.NodeComponent;
+
+public class CCmp extends NodeComponent {
+
+	@Override
+	public void process() {
+		System.out.println("CCmp executed!");
+	}
+
+}
diff --git a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/subflow/ImplicitSubFlowTest.java b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/subflow/ImplicitSubFlowTest.java
new file mode 100644
index 000000000..f353a4bf1
--- /dev/null
+++ b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/subflow/ImplicitSubFlowTest.java
@@ -0,0 +1,46 @@
+package com.yomahub.liteflow.test.subflow;
+
+import com.yomahub.liteflow.core.FlowExecutor;
+import com.yomahub.liteflow.core.FlowExecutorHolder;
+import com.yomahub.liteflow.entity.data.DefaultSlot;
+import com.yomahub.liteflow.entity.data.LiteflowResponse;
+import com.yomahub.liteflow.property.LiteflowConfig;
+import com.yomahub.liteflow.test.BaseTest;
+import org.junit.Assert;
+import org.junit.BeforeClass;
+import org.junit.Test;
+import java.util.HashSet;
+import java.util.Set;
+
+/**
+ * 测试隐式调用子流程
+ * 单元测试
+ *
+ * @author justin.xu
+ */
+public class ImplicitSubFlowTest extends BaseTest {
+
+    private static FlowExecutor flowExecutor;
+
+    @BeforeClass
+    public static void init(){
+        LiteflowConfig config = new LiteflowConfig();
+        config.setRuleSource("subflow/flow-implicit.xml");
+        flowExecutor = FlowExecutorHolder.loadInstance(config);
+    }
+
+    public static final Set<String> RUN_TIME_SLOT = new HashSet<>();
+
+    //这里GCmp中隐式的调用chain4，从而执行了h，m
+    @Test
+    public void testImplicitSubFlow() {
+        LiteflowResponse<DefaultSlot> response = flowExecutor.execute2Resp("chain3", "it's a request");
+        Assert.assertTrue(response.isSuccess());
+        Assert.assertEquals("f==>g==>h==>m", response.getSlot().getExecuteStepStr());
+
+        //  传递了slotIndex，则set的size==1
+        Assert.assertEquals(1, RUN_TIME_SLOT.size());
+        //  set中第一次设置的requestId和response中的requestId一致
+        Assert.assertTrue(RUN_TIME_SLOT.contains(response.getSlot().getRequestId()));
+    }
+}
diff --git a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/subflow/SubflowInDifferentConfigTest.java b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/subflow/SubflowInDifferentConfigTest.java
new file mode 100644
index 000000000..0c5d55e1a
--- /dev/null
+++ b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/subflow/SubflowInDifferentConfigTest.java
@@ -0,0 +1,46 @@
+package com.yomahub.liteflow.test.subflow;
+
+import com.yomahub.liteflow.core.FlowExecutor;
+import com.yomahub.liteflow.core.FlowExecutorHolder;
+import com.yomahub.liteflow.entity.data.DefaultSlot;
+import com.yomahub.liteflow.entity.data.LiteflowResponse;
+import com.yomahub.liteflow.exception.MultipleParsersException;
+import com.yomahub.liteflow.property.LiteflowConfig;
+import com.yomahub.liteflow.property.LiteflowConfigGetter;
+import com.yomahub.liteflow.test.BaseTest;
+import org.junit.Assert;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+/**
+ * 测试主流程与子流程在不同的配置文件的场景
+ *
+ * @author Bryan.Zhang
+ */
+public class SubflowInDifferentConfigTest extends BaseTest {
+
+    private static FlowExecutor flowExecutor;
+
+    @BeforeClass
+    public static void init(){
+        LiteflowConfig config = new LiteflowConfig();
+        config.setRuleSource("subflow/flow-main.xml,subflow/flow-sub1.xml,subflow/flow-sub2.xml");
+        flowExecutor = FlowExecutorHolder.loadInstance(config);
+    }
+
+    //是否按照流程定义配置执行
+    @Test
+    public void testExplicitSubFlow1() {
+        LiteflowResponse<DefaultSlot> response = flowExecutor.execute2Resp("chain1", "it's a request");
+        Assert.assertTrue(response.isSuccess());
+        Assert.assertEquals("a==>b==>b==>a==>e==>d", response.getSlot().getExecuteStepStr());
+    }
+
+    //主要测试有不同的配置类型后会不会报出既定的错误
+    @Test(expected = MultipleParsersException.class)
+    public void testExplicitSubFlow2() {
+        LiteflowConfig config = LiteflowConfigGetter.get();
+        config.setRuleSource("subflow/flow-main.xml,subflow/flow-sub1.xml,subflow/flow-sub2.yml");
+        flowExecutor.init();
+    }
+}
diff --git a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/subflow/SubflowJsonTest.java b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/subflow/SubflowJsonTest.java
new file mode 100644
index 000000000..91a2798a6
--- /dev/null
+++ b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/subflow/SubflowJsonTest.java
@@ -0,0 +1,37 @@
+package com.yomahub.liteflow.test.subflow;
+
+import com.yomahub.liteflow.core.FlowExecutor;
+import com.yomahub.liteflow.core.FlowExecutorHolder;
+import com.yomahub.liteflow.entity.data.DefaultSlot;
+import com.yomahub.liteflow.entity.data.LiteflowResponse;
+import com.yomahub.liteflow.property.LiteflowConfig;
+import com.yomahub.liteflow.test.BaseTest;
+import org.junit.Assert;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+/**
+ * 测试显示调用子流程(json)
+ * 单元测试
+ *
+ * @author justin.xu
+ */
+public class SubflowJsonTest extends BaseTest {
+
+    private static FlowExecutor flowExecutor;
+
+    @BeforeClass
+    public static void init(){
+        LiteflowConfig config = new LiteflowConfig();
+        config.setRuleSource("subflow/flow.json");
+        flowExecutor = FlowExecutorHolder.loadInstance(config);
+    }
+
+    //是否按照流程定义配置执行
+    @Test
+    public void testExplicitSubFlow() {
+        LiteflowResponse<DefaultSlot> response = flowExecutor.execute2Resp("chain1", "it's a request");
+        Assert.assertTrue(response.isSuccess());
+        Assert.assertEquals("a==>b==>c==>b==>a==>e==>d", response.getSlot().getExecuteStepStr());
+    }
+}
diff --git a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/subflow/SubflowXMLTest.java b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/subflow/SubflowXMLTest.java
new file mode 100644
index 000000000..f6da5dc56
--- /dev/null
+++ b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/subflow/SubflowXMLTest.java
@@ -0,0 +1,37 @@
+package com.yomahub.liteflow.test.subflow;
+
+import com.yomahub.liteflow.core.FlowExecutor;
+import com.yomahub.liteflow.core.FlowExecutorHolder;
+import com.yomahub.liteflow.entity.data.DefaultSlot;
+import com.yomahub.liteflow.entity.data.LiteflowResponse;
+import com.yomahub.liteflow.property.LiteflowConfig;
+import com.yomahub.liteflow.test.BaseTest;
+import org.junit.Assert;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+/**
+ * 测试显示调用子流程(xml)
+ * 单元测试
+ *
+ * @author justin.xu
+ */
+public class SubflowXMLTest extends BaseTest {
+
+    private static FlowExecutor flowExecutor;
+
+    @BeforeClass
+    public static void init(){
+        LiteflowConfig config = new LiteflowConfig();
+        config.setRuleSource("subflow/flow.xml");
+        flowExecutor = FlowExecutorHolder.loadInstance(config);
+    }
+
+    //是否按照流程定义配置执行
+    @Test
+    public void testExplicitSubFlow() {
+        LiteflowResponse<DefaultSlot> response = flowExecutor.execute2Resp("chain1", "it's a request");
+        Assert.assertTrue(response.isSuccess());
+        Assert.assertEquals("a==>b==>c==>b==>a==>e==>d", response.getSlot().getExecuteStepStr());
+    }
+}
diff --git a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/subflow/SubflowYmlTest.java b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/subflow/SubflowYmlTest.java
new file mode 100644
index 000000000..7f270d547
--- /dev/null
+++ b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/subflow/SubflowYmlTest.java
@@ -0,0 +1,37 @@
+package com.yomahub.liteflow.test.subflow;
+
+import com.yomahub.liteflow.core.FlowExecutor;
+import com.yomahub.liteflow.core.FlowExecutorHolder;
+import com.yomahub.liteflow.entity.data.DefaultSlot;
+import com.yomahub.liteflow.entity.data.LiteflowResponse;
+import com.yomahub.liteflow.property.LiteflowConfig;
+import com.yomahub.liteflow.test.BaseTest;
+import org.junit.Assert;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+/**
+ * 测试显示调用子流程(yml)
+ * 单元测试
+ *
+ * @author justin.xu
+ */
+public class SubflowYmlTest extends BaseTest {
+
+    private static FlowExecutor flowExecutor;
+
+    @BeforeClass
+    public static void init(){
+        LiteflowConfig config = new LiteflowConfig();
+        config.setRuleSource("subflow/flow.yml");
+        flowExecutor = FlowExecutorHolder.loadInstance(config);
+    }
+
+    //是否按照流程定义配置执行
+    @Test
+    public void testExplicitSubFlowYml() {
+        LiteflowResponse<DefaultSlot> response = flowExecutor.execute2Resp("chain1", "it's a request");
+        Assert.assertTrue(response.isSuccess());
+        Assert.assertEquals("a==>b==>c==>b==>a==>e==>d", response.getSlot().getExecuteStepStr());
+    }
+}
diff --git a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/subflow/cmp1/ACmp.java b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/subflow/cmp1/ACmp.java
new file mode 100644
index 000000000..fd299fae4
--- /dev/null
+++ b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/subflow/cmp1/ACmp.java
@@ -0,0 +1,11 @@
+package com.yomahub.liteflow.test.subflow.cmp1;
+
+import com.yomahub.liteflow.core.NodeComponent;
+
+
+public class ACmp extends NodeComponent {
+    @Override
+    public void process() {
+        System.out.println("Acomp executed!");
+    }
+}
diff --git a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/subflow/cmp1/BCmp.java b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/subflow/cmp1/BCmp.java
new file mode 100644
index 000000000..36613aedc
--- /dev/null
+++ b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/subflow/cmp1/BCmp.java
@@ -0,0 +1,10 @@
+package com.yomahub.liteflow.test.subflow.cmp1;
+
+import com.yomahub.liteflow.core.NodeComponent;
+
+public class BCmp extends NodeComponent {
+    @Override
+    public void process() {
+        System.out.println("Bcomp executed!");
+    }
+}
diff --git a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/subflow/cmp1/CCmp.java b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/subflow/cmp1/CCmp.java
new file mode 100644
index 000000000..1a95b17c0
--- /dev/null
+++ b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/subflow/cmp1/CCmp.java
@@ -0,0 +1,10 @@
+package com.yomahub.liteflow.test.subflow.cmp1;
+
+import com.yomahub.liteflow.core.NodeComponent;
+
+public class CCmp extends NodeComponent {
+    @Override
+    public void process() throws Exception {
+        System.out.println("Ccomp executed!");
+    }
+}
diff --git a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/subflow/cmp1/DCmp.java b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/subflow/cmp1/DCmp.java
new file mode 100644
index 000000000..0a954b4f5
--- /dev/null
+++ b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/subflow/cmp1/DCmp.java
@@ -0,0 +1,10 @@
+package com.yomahub.liteflow.test.subflow.cmp1;
+
+import com.yomahub.liteflow.core.NodeComponent;
+
+public class DCmp extends NodeComponent {
+    @Override
+    public void process() throws Exception {
+        System.out.println("Dcomp executed!");
+    }
+}
diff --git a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/subflow/cmp1/ECmp.java b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/subflow/cmp1/ECmp.java
new file mode 100644
index 000000000..07789037f
--- /dev/null
+++ b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/subflow/cmp1/ECmp.java
@@ -0,0 +1,11 @@
+package com.yomahub.liteflow.test.subflow.cmp1;
+
+import com.yomahub.liteflow.core.NodeComponent;
+
+public class ECmp extends NodeComponent {
+
+    @Override
+    public void process() throws Exception {
+        System.out.println("Ecomp executed!");
+    }
+}
diff --git a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/subflow/cmp2/FCmp.java b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/subflow/cmp2/FCmp.java
new file mode 100644
index 000000000..616a1c24c
--- /dev/null
+++ b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/subflow/cmp2/FCmp.java
@@ -0,0 +1,15 @@
+package com.yomahub.liteflow.test.subflow.cmp2;
+
+import com.yomahub.liteflow.core.NodeComponent;
+import static com.yomahub.liteflow.test.subflow.ImplicitSubFlowTest.RUN_TIME_SLOT;
+
+
+public class FCmp extends NodeComponent {
+    @Override
+    public void process() throws Exception {
+
+        RUN_TIME_SLOT.add(this.getSlot().getRequestId());
+
+        System.out.println("Fcomp executed!");
+    }
+}
diff --git a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/subflow/cmp2/GCmp.java b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/subflow/cmp2/GCmp.java
new file mode 100644
index 000000000..c8a4a3b1b
--- /dev/null
+++ b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/subflow/cmp2/GCmp.java
@@ -0,0 +1,23 @@
+package com.yomahub.liteflow.test.subflow.cmp2;
+
+import com.yomahub.liteflow.core.FlowExecutor;
+import com.yomahub.liteflow.core.FlowExecutorHolder;
+import com.yomahub.liteflow.core.NodeComponent;
+import com.yomahub.liteflow.entity.data.DefaultSlot;
+import static com.yomahub.liteflow.test.subflow.ImplicitSubFlowTest.RUN_TIME_SLOT;
+
+
+public class GCmp extends NodeComponent {
+
+    @Override
+    public void process() throws Exception {
+
+        RUN_TIME_SLOT.add(this.getSlot().getRequestId());
+
+        System.out.println("Gcmp executed!");
+
+        FlowExecutor flowExecutor = FlowExecutorHolder.loadInstance();
+
+        flowExecutor.invoke("chain4", "it's implicit subflow.", DefaultSlot.class, this.getSlotIndex());
+    }
+}
diff --git a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/subflow/cmp2/HCmp.java b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/subflow/cmp2/HCmp.java
new file mode 100644
index 000000000..fd78c1068
--- /dev/null
+++ b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/subflow/cmp2/HCmp.java
@@ -0,0 +1,15 @@
+package com.yomahub.liteflow.test.subflow.cmp2;
+
+import com.yomahub.liteflow.core.NodeComponent;
+import static com.yomahub.liteflow.test.subflow.ImplicitSubFlowTest.RUN_TIME_SLOT;
+
+
+public class HCmp extends NodeComponent {
+    @Override
+    public void process() throws Exception {
+
+        RUN_TIME_SLOT.add(this.getSlot().getRequestId());
+
+        System.out.println("Hcomp executed!");
+    }
+}
diff --git a/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/subflow/cmp2/MCmp.java b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/subflow/cmp2/MCmp.java
new file mode 100644
index 000000000..735a8e233
--- /dev/null
+++ b/liteflow-testcase-nospring/src/test/java/com/yomahub/liteflow/test/subflow/cmp2/MCmp.java
@@ -0,0 +1,15 @@
+package com.yomahub.liteflow.test.subflow.cmp2;
+
+import com.yomahub.liteflow.core.NodeComponent;
+import static com.yomahub.liteflow.test.subflow.ImplicitSubFlowTest.RUN_TIME_SLOT;
+
+
+public class MCmp extends NodeComponent {
+    @Override
+    public void process() throws Exception {
+
+        RUN_TIME_SLOT.add(this.getSlot().getRequestId());
+
+        System.out.println("Mcomp executed!");
+    }
+}
diff --git a/liteflow-testcase-nospring/src/test/resources/resizeSlot/flow.xml b/liteflow-testcase-nospring/src/test/resources/resizeSlot/flow.xml
new file mode 100644
index 000000000..f8a83742c
--- /dev/null
+++ b/liteflow-testcase-nospring/src/test/resources/resizeSlot/flow.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<flow>
+    <nodes>
+        <node id="a" class="com.yomahub.liteflow.test.resizeSlot.cmp.ACmp"/>
+        <node id="b" class="com.yomahub.liteflow.test.resizeSlot.cmp.BCmp"/>
+        <node id="c" class="com.yomahub.liteflow.test.resizeSlot.cmp.CCmp"/>
+    </nodes>
+
+    <chain name="chain1">
+        <then value="a,b,c"/>
+    </chain>
+</flow>
\ No newline at end of file
diff --git a/liteflow-testcase-nospring/src/test/resources/subflow/flow-implicit.xml b/liteflow-testcase-nospring/src/test/resources/subflow/flow-implicit.xml
new file mode 100644
index 000000000..aa42db5b0
--- /dev/null
+++ b/liteflow-testcase-nospring/src/test/resources/subflow/flow-implicit.xml
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<flow>
+    <nodes>
+        <node id="f" class="com.yomahub.liteflow.test.subflow.cmp2.FCmp"/>
+        <node id="g" class="com.yomahub.liteflow.test.subflow.cmp2.GCmp"/>
+        <node id="h" class="com.yomahub.liteflow.test.subflow.cmp2.HCmp"/>
+        <node id="m" class="com.yomahub.liteflow.test.subflow.cmp2.MCmp"/>
+    </nodes>
+
+    <chain name="chain3">
+        <then value="f,g"/> <!-- g隐式调用chain4 -->
+    </chain>
+
+    <chain name="chain4">
+        <then value="h,m"/>
+    </chain>
+    <!-- f,g,h,m -->
+</flow>
\ No newline at end of file
diff --git a/liteflow-testcase-nospring/src/test/resources/subflow/flow-main.xml b/liteflow-testcase-nospring/src/test/resources/subflow/flow-main.xml
new file mode 100644
index 000000000..42886c702
--- /dev/null
+++ b/liteflow-testcase-nospring/src/test/resources/subflow/flow-main.xml
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<flow>
+    <nodes>
+        <node id="a" class="com.yomahub.liteflow.test.subflow.cmp1.ACmp"/>
+        <node id="b" class="com.yomahub.liteflow.test.subflow.cmp1.BCmp"/>
+        <node id="c" class="com.yomahub.liteflow.test.subflow.cmp1.CCmp"/>
+        <node id="d" class="com.yomahub.liteflow.test.subflow.cmp1.DCmp"/>
+        <node id="e" class="com.yomahub.liteflow.test.subflow.cmp1.ECmp"/>
+        <node id="f" class="com.yomahub.liteflow.test.subflow.cmp2.FCmp"/>
+        <node id="g" class="com.yomahub.liteflow.test.subflow.cmp2.GCmp"/>
+        <node id="h" class="com.yomahub.liteflow.test.subflow.cmp2.HCmp"/>
+        <node id="m" class="com.yomahub.liteflow.test.subflow.cmp2.MCmp"/>
+    </nodes>
+
+    <chain name="chain1">
+        <then value="a,b"/>
+        <then value="chain2"/> <!-- 测试调用c流程后是否正常调用chain2 -->
+    </chain>
+</flow>
\ No newline at end of file
diff --git a/liteflow-testcase-nospring/src/test/resources/subflow/flow-sub1.xml b/liteflow-testcase-nospring/src/test/resources/subflow/flow-sub1.xml
new file mode 100644
index 000000000..471dee3fe
--- /dev/null
+++ b/liteflow-testcase-nospring/src/test/resources/subflow/flow-sub1.xml
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<flow>
+    <chain name="chain2">
+        <then value="b,a"/>
+        <then value="chain3"/>
+    </chain>
+</flow>
\ No newline at end of file
diff --git a/liteflow-testcase-nospring/src/test/resources/subflow/flow-sub2.xml b/liteflow-testcase-nospring/src/test/resources/subflow/flow-sub2.xml
new file mode 100644
index 000000000..63dd964bf
--- /dev/null
+++ b/liteflow-testcase-nospring/src/test/resources/subflow/flow-sub2.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<flow>
+    <chain name="chain3">
+        <then value="e,d"/>
+    </chain>
+</flow>
\ No newline at end of file
diff --git a/liteflow-testcase-nospring/src/test/resources/subflow/flow-sub2.yml b/liteflow-testcase-nospring/src/test/resources/subflow/flow-sub2.yml
new file mode 100644
index 000000000..8ba43c102
--- /dev/null
+++ b/liteflow-testcase-nospring/src/test/resources/subflow/flow-sub2.yml
@@ -0,0 +1,6 @@
+flow:
+  chain:
+    - name: chain3
+      condition:
+        - type: then
+          value: 'e,d'
\ No newline at end of file
diff --git a/liteflow-testcase-nospring/src/test/resources/subflow/flow.json b/liteflow-testcase-nospring/src/test/resources/subflow/flow.json
new file mode 100644
index 000000000..e11a9860a
--- /dev/null
+++ b/liteflow-testcase-nospring/src/test/resources/subflow/flow.json
@@ -0,0 +1,73 @@
+{
+  "flow": {
+    "nodes": {
+      "node": [
+        {
+          "id": "a",
+          "class": "com.yomahub.liteflow.test.subflow.cmp1.ACmp"
+        },
+        {
+          "id": "b",
+          "class": "com.yomahub.liteflow.test.subflow.cmp1.BCmp"
+        },
+        {
+          "id": "c",
+          "class": "com.yomahub.liteflow.test.subflow.cmp1.CCmp"
+        },
+        {
+          "id": "d",
+          "class": "com.yomahub.liteflow.test.subflow.cmp1.DCmp"
+        },
+        {
+          "id": "e",
+          "class": "com.yomahub.liteflow.test.subflow.cmp1.ECmp"
+        },
+        {
+          "id": "f",
+          "class": "com.yomahub.liteflow.test.subflow.cmp2.FCmp"
+        },
+        {
+          "id": "g",
+          "class": "com.yomahub.liteflow.test.subflow.cmp2.GCmp"
+        },
+        {
+          "id": "h",
+          "class": "com.yomahub.liteflow.test.subflow.cmp2.HCmp"
+        },
+        {
+          "id": "M",
+          "class": "com.yomahub.liteflow.test.subflow.cmp2.MCmp"
+        }
+      ]
+    },
+    "chain": [
+      {
+        "name": "chain3",
+        "condition": [
+          {"type": "then", "value": "e,d"}
+        ]
+      },
+      {
+        "name": "chain2",
+        "condition": [
+          {"type": "then", "value": "b,a"},
+          {"type": "then", "value": "chain3"}
+        ]
+      },
+      {
+        "name": "chain1",
+        "condition": [
+          {"type": "then", "value": "a,b"},
+          {"type": "then", "value": "c"},
+          {"type": "then", "value": "chain2"}
+        ]
+      },
+      {
+        "name": "c",
+        "condition": [
+          {"type": "then", "value": "d,e"}
+        ]
+      }
+    ]
+  }
+}
\ No newline at end of file
diff --git a/liteflow-testcase-nospring/src/test/resources/subflow/flow.xml b/liteflow-testcase-nospring/src/test/resources/subflow/flow.xml
new file mode 100644
index 000000000..538ab30ed
--- /dev/null
+++ b/liteflow-testcase-nospring/src/test/resources/subflow/flow.xml
@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<flow>
+    <nodes>
+        <node id="a" class="com.yomahub.liteflow.test.subflow.cmp1.ACmp"/>
+        <node id="b" class="com.yomahub.liteflow.test.subflow.cmp1.BCmp"/>
+        <node id="c" class="com.yomahub.liteflow.test.subflow.cmp1.CCmp"/>
+        <node id="d" class="com.yomahub.liteflow.test.subflow.cmp1.DCmp"/>
+        <node id="e" class="com.yomahub.liteflow.test.subflow.cmp1.ECmp"/>
+        <node id="f" class="com.yomahub.liteflow.test.subflow.cmp2.FCmp"/>
+        <node id="g" class="com.yomahub.liteflow.test.subflow.cmp2.GCmp"/>
+        <node id="h" class="com.yomahub.liteflow.test.subflow.cmp2.HCmp"/>
+        <node id="m" class="com.yomahub.liteflow.test.subflow.cmp2.MCmp"/>
+    </nodes>
+
+    <chain name="chain1">
+        <then value="a,b"/>
+        <then value="c"/>   <!-- 显式的调用了chain(c)，当这里存在Node(c)时，测试是否为优先调用了Node(c)-->
+        <then value="chain2"/> <!-- 测试调用c流程后是否正常调用chain2 -->
+    </chain>
+
+    <chain name="c">
+        <then value="d,e"/>
+    </chain>
+
+    <chain name="chain2">
+        <then value="b,a"/>
+        <then value="chain3"/>
+    </chain>
+
+    <chain name="chain3">
+        <then value="e,d"/>
+    </chain>
+    <!-- a,b,c,b,a,e,d -->
+</flow>
\ No newline at end of file
diff --git a/liteflow-testcase-nospring/src/test/resources/subflow/flow.yml b/liteflow-testcase-nospring/src/test/resources/subflow/flow.yml
new file mode 100644
index 000000000..5c20998ee
--- /dev/null
+++ b/liteflow-testcase-nospring/src/test/resources/subflow/flow.yml
@@ -0,0 +1,44 @@
+flow:
+  nodes:
+    node:
+      - id: a
+        class: com.yomahub.liteflow.test.subflow.cmp1.ACmp
+      - id: b
+        class: com.yomahub.liteflow.test.subflow.cmp1.BCmp
+      - id: c
+        class: com.yomahub.liteflow.test.subflow.cmp1.CCmp
+      - id: d
+        class: com.yomahub.liteflow.test.subflow.cmp1.DCmp
+      - id: e
+        class: com.yomahub.liteflow.test.subflow.cmp1.ECmp
+      - id: f
+        class: com.yomahub.liteflow.test.subflow.cmp2.FCmp
+      - id: g
+        class: com.yomahub.liteflow.test.subflow.cmp2.GCmp
+      - id: h
+        class: com.yomahub.liteflow.test.subflow.cmp2.HCmp
+      - id: h
+        class: com.yomahub.liteflow.test.subflow.cmp2.MCmp
+  chain:
+    - name: chain3
+      condition:
+        - type: then
+          value: 'e,d'
+    - name: chain1
+      condition:
+        - type: then
+          value: 'a,b'
+        - type: then
+          value: 'c'
+        - type: then
+          value: 'chain2'
+    - name: c
+      condition:
+        - type: then
+          value: 'd,e'
+    - name: chain2
+      condition:
+        - type: then
+          value: 'b,a'
+        - type: then
+          value: 'chain3'
\ No newline at end of file