diff --git a/build.gradle b/build.gradle
index 2d1212d..c50e89b 100644
--- a/build.gradle
+++ b/build.gradle
@@ -22,11 +22,13 @@ dependencies {
 	implementation 'org.springframework.boot:spring-boot-starter-thymeleaf'
 	implementation 'nz.net.ultraq.thymeleaf:thymeleaf-layout-dialect'
 //	implementation 'com.github.darrachequesne:spring-data-jpa-datatables:5.1.0'
+
 	implementation 'org.apache.commons:commons-lang3:3.10'
 	implementation 'commons-io:commons-io:2.6'
 	implementation 'com.jayway.jsonpath:json-path:2.4.0'
 	implementation 'io.netty:netty-all:4.1.60.Final'
 	runtimeOnly 'com.h2database:h2'
+	implementation 'org.mdkt.compiler:InMemoryJavaCompiler:1.3.0'
 	testImplementation 'org.springframework.boot:spring-boot-starter-test'
 }
 
diff --git a/src/main/java/com/eactive/httpmockserver/PostConstructBean.java b/src/main/java/com/eactive/httpmockserver/PostConstructBean.java
new file mode 100644
index 0000000..dfac53c
--- /dev/null
+++ b/src/main/java/com/eactive/httpmockserver/PostConstructBean.java
@@ -0,0 +1,28 @@
+package com.eactive.httpmockserver;
+
+import com.eactive.httpmockserver.script.ScriptInfoService;
+import com.eactive.httpmockserver.script.ScriptLoader;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+import javax.annotation.PostConstruct;
+
+@Component
+public class PostConstructBean {
+    private final Logger logger = LoggerFactory.getLogger(this.getClass());
+
+    @Autowired
+    public ScriptInfoService scriptInfoService;
+
+    @PostConstruct
+    public void init() {
+        logger.info("init scripts");
+        try {
+            ScriptLoader.getInstance().init(scriptInfoService);
+        } catch (Exception e) {
+            logger.error("init scripts failed", e);
+        }
+    }
+}
diff --git a/src/main/java/com/eactive/httpmockserver/script/ScriptController.java b/src/main/java/com/eactive/httpmockserver/script/ScriptController.java
index 90aa60e..d26f06b 100644
--- a/src/main/java/com/eactive/httpmockserver/script/ScriptController.java
+++ b/src/main/java/com/eactive/httpmockserver/script/ScriptController.java
@@ -62,7 +62,7 @@ public class ScriptController {
     }
 
     @PostMapping("/manage/saveScriptInfo")
-    public String saveScriptInfo(@Valid ScriptInfo spec, BindingResult result, Model model) throws IOException, ClassNotFoundException {
+    public String saveScriptInfo(@Valid ScriptInfo spec, BindingResult result, Model model) throws Exception {
         if (result.hasErrors()) {
             return "page/add-edit-script-info";
         }
@@ -74,7 +74,7 @@ public class ScriptController {
         }
 
         if (BooleanUtils.toBoolean(spec.getUseYn())) {
-            // 기존설정 useYn=N으로 수정
+            // �������� useYn=N���� ����
             scriptInfoService.setUnuseOthers(spec.getId());
         }
 
diff --git a/src/main/java/com/eactive/httpmockserver/script/ScriptInfoService.java b/src/main/java/com/eactive/httpmockserver/script/ScriptInfoService.java
index 575c9e8..389d741 100644
--- a/src/main/java/com/eactive/httpmockserver/script/ScriptInfoService.java
+++ b/src/main/java/com/eactive/httpmockserver/script/ScriptInfoService.java
@@ -9,6 +9,8 @@ import java.util.Optional;
 public interface ScriptInfoService {
 	public ScriptInfo findActiveScriptInfo();
 
+	public List<ScriptInfo> findAllScriptInfos();
+
 	public List<ScriptInfo> findAllScriptInfos(Pageable pageable);
 
 	public List<ScriptInfo> findAllScriptInfos(Example<ScriptInfo> example, Pageable pageable);
diff --git a/src/main/java/com/eactive/httpmockserver/script/ScriptInfoServiceImpl.java b/src/main/java/com/eactive/httpmockserver/script/ScriptInfoServiceImpl.java
index fbc9d62..d4ad2ba 100644
--- a/src/main/java/com/eactive/httpmockserver/script/ScriptInfoServiceImpl.java
+++ b/src/main/java/com/eactive/httpmockserver/script/ScriptInfoServiceImpl.java
@@ -23,6 +23,11 @@ public class ScriptInfoServiceImpl implements ScriptInfoService {
 		return dao.findFirstByUseYn("Y");
 	}
 
+	@Override
+	public List<ScriptInfo> findAllScriptInfos() {
+		return dao.findAll();
+	}
+
 	@Override
 	public List<ScriptInfo> findAllScriptInfos(Pageable pageable) {
 		Page<ScriptInfo> pagedResult = dao.findAll(pageable);
diff --git a/src/main/java/com/eactive/httpmockserver/script/ScriptLoader.java b/src/main/java/com/eactive/httpmockserver/script/ScriptLoader.java
index 776ce81..ff05b54 100644
--- a/src/main/java/com/eactive/httpmockserver/script/ScriptLoader.java
+++ b/src/main/java/com/eactive/httpmockserver/script/ScriptLoader.java
@@ -1,6 +1,8 @@
 package com.eactive.httpmockserver.script;
 
 import org.apache.commons.io.IOUtils;
+import org.mdkt.compiler.InMemoryJavaCompiler;
+import org.springframework.beans.factory.annotation.Autowired;
 
 import javax.tools.JavaCompiler;
 import javax.tools.ToolProvider;
@@ -12,6 +14,7 @@ import java.lang.reflect.InvocationTargetException;
 import java.net.URL;
 import java.net.URLClassLoader;
 import java.util.HashMap;
+import java.util.List;
 import java.util.Map;
 
 public class ScriptLoader{
@@ -36,42 +39,29 @@ public class ScriptLoader{
         return newInstance;
     }
 
-    class DynamicLoader extends ClassLoader{
-        public Class<Script> loadScript(String fullClassName, byte[] classData){
-            return (Class<Script>) defineClass(fullClassName,
-                    classData, 0, classData.length);
+//    class DynamicLoader extends ClassLoader{
+//        public Class<Script> loadScript(String fullClassName, byte[] classData){
+//            return (Class<Script>) defineClass(fullClassName,
+//                    classData, 0, classData.length);
+//        }
+//    }
+
+    public void init(ScriptInfoService scriptInfoService) throws Exception {
+        List<ScriptInfo> scriptInfoList = scriptInfoService.findAllScriptInfos();
+        for (ScriptInfo info :scriptInfoList) {
+            load(info.getScriptName(), info.getScriptCode());
         }
     }
 
-    public void load(String scriptName, String scriptCode) throws ClassNotFoundException, IOException {
+    public void load(String scriptName, String scriptCode) throws Exception {
         String source = scriptCode;
-        String fullPath = DYNAMIC_BASE_PATH + "/" + scriptName;
         String fullPackage = DYNAMIC_BASE_PACKAGE + "." + scriptName;
 
+        Class<Script> cls = (Class<Script>) InMemoryJavaCompiler.newInstance().compile(fullPackage, source);
 
-        File packagePath = new File(path + DYNAMIC_BASE_PATH);
-        if(!packagePath.exists())
-            packagePath.mkdirs();
-
-        File sourceFile = new File(path + fullPath + ".java");
-        new FileWriter(sourceFile).append(source).close();
-
-        // 만들어진 Java 파일을 컴파일한다.
-        JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
-        compiler.run(null, System.out, System.out, sourceFile.getPath());
-
-
-//        File classPath = new File(path + DYNAMIC_BASE_PATH);
-
-        // 컴파일된 Class를 Load
-//        URLClassLoader classLoader = URLClassLoader.newInstance(new URL[] {classPath.toURI().toURL()});
-//        Class<Script> cls = (Class<Script>) Class.forName(fullPackage, true, classLoader);
-//        new File(path + DYNAMIC_BASE_PATH + "/" + scriptName +".class").delete();
-//        sourceFile.delete();
-        File classFile = new File(path + DYNAMIC_BASE_PATH + "/" + scriptName +".class");
-        byte[] classData = IOUtils.toByteArray(new FileInputStream(classFile));
-        DynamicLoader dynamicLoader = new DynamicLoader();
-        Class<Script> cls = dynamicLoader.loadScript(fullPackage, classData);
+//        Script newInstance =  cls.getDeclaredConstructor().newInstance();
+//        String xx = newInstance.postProcess("abc","ddd");
+//        System.out.println(xx);
         this.loadedClass.put(scriptName, cls);
     }