diff --git a/apm-sniffer/apm-agent-core/src/main/java/org/skywalking/apm/agent/core/plugin/interceptor/enhance/InstMethodsInter.java b/apm-sniffer/apm-agent-core/src/main/java/org/skywalking/apm/agent/core/plugin/interceptor/enhance/InstMethodsInter.java
index 2d51ba93f..be8c9c0eb 100644
--- a/apm-sniffer/apm-agent-core/src/main/java/org/skywalking/apm/agent/core/plugin/interceptor/enhance/InstMethodsInter.java
+++ b/apm-sniffer/apm-agent-core/src/main/java/org/skywalking/apm/agent/core/plugin/interceptor/enhance/InstMethodsInter.java
@@ -39,8 +39,6 @@ public class InstMethodsInter {
      * @param obj target class instance.
      * @param allArguments all method arguments
      * @param method method description.
-     * @param dynamicFieldGetter a proxy to set the dynamic field
-     * @param dynamicFieldSetter a proxy to get the dynamic field
      * @param zuper the origin call ref.
      * @return the return value of target instance method.
      * @throws Exception only throw exception because of zuper.call() or unexpected exception in sky-walking ( This is a
@@ -50,18 +48,15 @@ public class InstMethodsInter {
     public Object intercept(@This Object obj,
         @AllArguments Object[] allArguments,
         @SuperCall Callable<?> zuper,
-        @FieldProxy(ClassEnhancePluginDefine.CONTEXT_ATTR_NAME) FieldSetter dynamicFieldSetter,
-        @FieldProxy(ClassEnhancePluginDefine.CONTEXT_ATTR_NAME) FieldGetter dynamicFieldGetter,
         @Origin Method method
     ) throws Throwable {
         InstanceMethodsAroundInterceptor interceptor = InterceptorInstanceLoader
             .load(instanceMethodsAroundInterceptorClassName, obj.getClass().getClassLoader());
+        EnhancedInstance targetObject = (EnhancedInstance)obj;
 
         MethodInterceptResult result = new MethodInterceptResult();
         try {
-            interceptor.beforeMethod(obj, method.getName(), allArguments, method.getParameterTypes(),
-                dynamicFieldSetter,
-                dynamicFieldGetter,
+            interceptor.beforeMethod(targetObject, method.getName(), allArguments, method.getParameterTypes(),
                 result);
         } catch (Throwable t) {
             logger.error(t, "class[{}] before method[{}] intercept failure", obj.getClass(), method.getName());
@@ -76,9 +71,7 @@ public class InstMethodsInter {
             }
         } catch (Throwable t) {
             try {
-                interceptor.handleMethodException(obj, method.getName(), allArguments, method.getParameterTypes(),
-                    dynamicFieldSetter,
-                    dynamicFieldGetter,
+                interceptor.handleMethodException(targetObject, method.getName(), allArguments, method.getParameterTypes(),
                     t);
             } catch (Throwable t2) {
                 logger.error(t2, "class[{}] handle method[{}] exception failure", obj.getClass(), method.getName());
@@ -86,9 +79,7 @@ public class InstMethodsInter {
             throw t;
         } finally {
             try {
-                ret = interceptor.afterMethod(obj, method.getName(), allArguments, method.getParameterTypes(),
-                    dynamicFieldSetter,
-                    dynamicFieldGetter,
+                ret = interceptor.afterMethod(targetObject, method.getName(), allArguments, method.getParameterTypes(),
                     ret);
             } catch (Throwable t) {
                 logger.error(t, "class[{}] after method[{}] intercept failure", obj.getClass(), method.getName());