diff --git a/cloud-rule-server/src/main/java/com/muyu/rule/server/service/impl/RuleEngineVersionServiceImpl.java b/cloud-rule-server/src/main/java/com/muyu/rule/server/service/impl/RuleEngineVersionServiceImpl.java
index 7d28e90..d046c69 100644
--- a/cloud-rule-server/src/main/java/com/muyu/rule/server/service/impl/RuleEngineVersionServiceImpl.java
+++ b/cloud-rule-server/src/main/java/com/muyu/rule/server/service/impl/RuleEngineVersionServiceImpl.java
@@ -118,6 +118,14 @@ public static final String importClassAndPackPath="home/lib/";
      */
     public static final String className_prefix = "com.muyu.rule.common.engine.value.";
 
+    /**
+     * 服务器存放引擎的class文件的位置
+     * @param className 类名
+     * @param versionClazz 源代码
+     */
+
+    public static final String serverClassPath = "com/muyu/rule/common/engine/value/";
+
 
     //todo
     @Override
@@ -169,39 +177,46 @@ public static final String importClassAndPackPath="home/lib/";
      */
     @Override
     public void loadEngineClass(String className) {
-        try {
-        // 假设这是你的外部类文件路径
-        String externalClassFilePath =
-                importClassAndPackPath + "com/muyu/rule/common/engine/value/" + className + Suffix_CLASS;
-        Path classFilePath = Paths.get(externalClassFilePath);
-        String externalClassDir = externalClassFilePath.substring(0, externalClassFilePath.lastIndexOf('/'));
-        URL[] urls = new URL[]{new File(externalClassDir).toURI().toURL()};
 
-        //创建自定义类加载器
-        ExternalClassLoader externalClassLoader = new ExternalClassLoader(urls);
+        //查询类是否已加载,避免重复加载规则引擎
 
-        //加载类
-        //注意类名必须是完全限定名(包括包名)
-        Class<?> clazz = null;
+       if(!engineMap.containsKey(className)){
+           log.info("引擎map集合下没有该实例的容器,进行类加载");
+           try {
+               // 假设这是你的外部类文件路径
+               String externalClassFilePath =
+                       importClassAndPackPath + serverClassPath + className + Suffix_CLASS;
+               Path classFilePath = Paths.get(externalClassFilePath);
+               String externalClassDir = externalClassFilePath.substring(0, externalClassFilePath.lastIndexOf('/'));
+               URL[] urls = new URL[]{new File(externalClassDir).toURI().toURL()};
 
-            clazz = externalClassLoader.loadClassFromPath(classFilePath, className_prefix + className);
+               //创建自定义类加载器
+               ExternalClassLoader externalClassLoader = new ExternalClassLoader(urls);
+
+               //加载类
+               //注意类名必须是完全限定名(包括包名)
+               Class<?> clazz = null;
+
+               clazz = externalClassLoader.loadClassFromPath(classFilePath, className_prefix + className);
 
 
-        //创建类的实例
-        Object instance = clazz.getDeclaredConstructor().newInstance();
+               //创建类的实例
+               Object instance = clazz.getDeclaredConstructor().newInstance();
 //将加载出来引擎实例存入map集合中
-        engineMap.put(className, (BasicEngine<DataValue>) instance);
-        } catch (IOException e) {
-            throw new RuntimeException(e);
-        } catch (InvocationTargetException e) {
-            throw new RuntimeException(e);
-        } catch (InstantiationException e) {
-            throw new RuntimeException(e);
-        } catch (IllegalAccessException e) {
-            throw new RuntimeException(e);
-        } catch (NoSuchMethodException e) {
-            throw new RuntimeException(e);
-        }
+               engineMap.put(className, (BasicEngine<DataValue>) instance);
+           } catch (IOException e) {
+               throw new RuntimeException(e);
+           } catch (InvocationTargetException e) {
+               throw new RuntimeException(e);
+           } catch (InstantiationException e) {
+               throw new RuntimeException(e);
+           } catch (IllegalAccessException e) {
+               throw new RuntimeException(e);
+           } catch (NoSuchMethodException e) {
+               throw new RuntimeException(e);
+           }
+       }
+
         //        log.info("测试引擎是否成功类加载");
 //        DataValue dataValue = DataValue.builder()
 //                .type("String")
@@ -215,6 +230,7 @@ public static final String importClassAndPackPath="home/lib/";
 //        engine.execution();
 
 
+
     }
 
     /**