diff --git a/liteflow-rule-plugin/liteflow-rule-sql/src/main/java/com/yomahub/liteflow/parser/sql/vo/SQLParserVO.java b/liteflow-rule-plugin/liteflow-rule-sql/src/main/java/com/yomahub/liteflow/parser/sql/vo/SQLParserVO.java
index b2f9f3c16..e1479025e 100644
--- a/liteflow-rule-plugin/liteflow-rule-sql/src/main/java/com/yomahub/liteflow/parser/sql/vo/SQLParserVO.java
+++ b/liteflow-rule-plugin/liteflow-rule-sql/src/main/java/com/yomahub/liteflow/parser/sql/vo/SQLParserVO.java
@@ -90,7 +90,7 @@ public class SQLParserVO {
      */
     private String scriptLanguageField;
 
-    /*是否开启轮询机制 默认不开启*/
+    /*轮询机制是否开启 默认不开启*/
     private Boolean ifPolling = false;
 
     /*轮询时间间隔(s) 默认120s*/
diff --git a/liteflow-testcase-el/liteflow-testcase-el-sql-springboot-polling/.gitignore b/liteflow-testcase-el/liteflow-testcase-el-sql-springboot-polling/.gitignore
new file mode 100644
index 000000000..549e00a2a
--- /dev/null
+++ b/liteflow-testcase-el/liteflow-testcase-el-sql-springboot-polling/.gitignore
@@ -0,0 +1,33 @@
+HELP.md
+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/
diff --git a/liteflow-testcase-el/liteflow-testcase-el-sql-springboot-polling/pom.xml b/liteflow-testcase-el/liteflow-testcase-el-sql-springboot-polling/pom.xml
new file mode 100644
index 000000000..334c00ab4
--- /dev/null
+++ b/liteflow-testcase-el/liteflow-testcase-el-sql-springboot-polling/pom.xml
@@ -0,0 +1,68 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <artifactId>liteflow-testcase-el</artifactId>
+        <groupId>com.yomahub</groupId>
+        <version>${revision}</version>
+        <relativePath>../pom.xml</relativePath>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>liteflow-testcase-el-sql-springboot-polling</artifactId>
+
+    <properties>
+        <h2.version>2.1.214</h2.version>
+        <jpa.version>2.6.8</jpa.version>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>com.yomahub</groupId>
+            <artifactId>liteflow-spring-boot-starter</artifactId>
+            <version>${revision}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>com.yomahub</groupId>
+            <artifactId>liteflow-rule-sql</artifactId>
+            <version>${revision}</version>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-data-jpa</artifactId>
+            <version>${jpa.version}</version>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>com.h2database</groupId>
+            <artifactId>h2</artifactId>
+            <version>${h2.version}</version>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>com.yomahub</groupId>
+            <artifactId>liteflow-script-groovy</artifactId>
+            <version>${revision}</version>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>com.yomahub</groupId>
+            <artifactId>liteflow-script-graaljs</artifactId>
+            <version>${revision}</version>
+            <scope>test</scope>
+        </dependency>
+
+    </dependencies>
+</project>
diff --git a/liteflow-testcase-el/liteflow-testcase-el-sql-springboot-polling/src/test/java/com/yomahub/liteflow/test/BaseTest.java b/liteflow-testcase-el/liteflow-testcase-el-sql-springboot-polling/src/test/java/com/yomahub/liteflow/test/BaseTest.java
new file mode 100644
index 000000000..a06c46f17
--- /dev/null
+++ b/liteflow-testcase-el/liteflow-testcase-el-sql-springboot-polling/src/test/java/com/yomahub/liteflow/test/BaseTest.java
@@ -0,0 +1,27 @@
+package com.yomahub.liteflow.test;
+
+import com.yomahub.liteflow.core.FlowInitHook;
+import com.yomahub.liteflow.flow.FlowBus;
+import com.yomahub.liteflow.property.LiteflowConfigGetter;
+import com.yomahub.liteflow.spi.holder.SpiFactoryCleaner;
+import com.yomahub.liteflow.spring.ComponentScanner;
+import com.yomahub.liteflow.thread.ExecutorHelper;
+import org.junit.jupiter.api.AfterAll;
+
+/**
+ * @author hxinyu
+ * @since 2.11.1
+ */
+public class BaseTest {
+
+    @AfterAll
+    public static void cleanScanCache() {
+        ComponentScanner.cleanCache();
+        FlowBus.cleanCache();
+        ExecutorHelper.loadInstance().clearExecutorServiceMap();
+        SpiFactoryCleaner.clean();
+        LiteflowConfigGetter.clean();
+        FlowInitHook.cleanHook();
+    }
+
+}
\ No newline at end of file
diff --git a/liteflow-testcase-el/liteflow-testcase-el-sql-springboot-polling/src/test/java/com/yomahub/liteflow/test/sql/cmp/ACmp.java b/liteflow-testcase-el/liteflow-testcase-el-sql-springboot-polling/src/test/java/com/yomahub/liteflow/test/sql/cmp/ACmp.java
new file mode 100644
index 000000000..11ffb1a7c
--- /dev/null
+++ b/liteflow-testcase-el/liteflow-testcase-el-sql-springboot-polling/src/test/java/com/yomahub/liteflow/test/sql/cmp/ACmp.java
@@ -0,0 +1,22 @@
+/**
+ * <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.sql.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!");
+    }
+
+}
\ No newline at end of file
diff --git a/liteflow-testcase-el/liteflow-testcase-el-sql-springboot-polling/src/test/java/com/yomahub/liteflow/test/sql/cmp/BCmp.java b/liteflow-testcase-el/liteflow-testcase-el-sql-springboot-polling/src/test/java/com/yomahub/liteflow/test/sql/cmp/BCmp.java
new file mode 100644
index 000000000..9601ee2cf
--- /dev/null
+++ b/liteflow-testcase-el/liteflow-testcase-el-sql-springboot-polling/src/test/java/com/yomahub/liteflow/test/sql/cmp/BCmp.java
@@ -0,0 +1,22 @@
+/**
+ * <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.sql.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-sql-springboot-polling/src/test/java/com/yomahub/liteflow/test/sql/cmp/CCmp.java b/liteflow-testcase-el/liteflow-testcase-el-sql-springboot-polling/src/test/java/com/yomahub/liteflow/test/sql/cmp/CCmp.java
new file mode 100644
index 000000000..2274a153e
--- /dev/null
+++ b/liteflow-testcase-el/liteflow-testcase-el-sql-springboot-polling/src/test/java/com/yomahub/liteflow/test/sql/cmp/CCmp.java
@@ -0,0 +1,22 @@
+/**
+ * <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.sql.cmp;
+
+import com.yomahub.liteflow.core.NodeComponent;
+import org.springframework.stereotype.Component;
+
+@Component("c")
+public class CCmp extends NodeComponent {
+
+    @Override
+    public void process() {
+        System.out.println("CCmp executed!");
+    }
+
+}
\ No newline at end of file
diff --git a/liteflow-testcase-el/liteflow-testcase-el-sql-springboot-polling/src/test/resources/application-polling-xml.properties b/liteflow-testcase-el/liteflow-testcase-el-sql-springboot-polling/src/test/resources/application-polling-xml.properties
new file mode 100644
index 000000000..e69de29bb