diff --git a/src/main/java/cn/taketoday/context/factory/AbstractBeanFactory.java b/src/main/java/cn/taketoday/context/factory/AbstractBeanFactory.java
index 821941a6fd..3754153ba2 100644
--- a/src/main/java/cn/taketoday/context/factory/AbstractBeanFactory.java
+++ b/src/main/java/cn/taketoday/context/factory/AbstractBeanFactory.java
@@ -61,12 +61,9 @@
 import cn.taketoday.context.utils.ContextUtils;
 import cn.taketoday.context.utils.ObjectUtils;
 import cn.taketoday.context.utils.OrderUtils;
+import cn.taketoday.context.utils.ReflectionUtils;
 import cn.taketoday.context.utils.StringUtils;
 
-import static cn.taketoday.context.utils.ContextUtils.resolveParameter;
-import static cn.taketoday.context.utils.ReflectionUtils.makeAccessible;
-import static java.util.Objects.requireNonNull;
-
 /**
  * @author TODAY <br>
  * 2018-06-23 11:20:58
@@ -440,7 +437,8 @@ protected void invokeInitMethods(final Object bean, final BeanDefinition def) {
       for (final Method method : def.getInitMethods()) { /*never be null*/
         try {
           //method.setAccessible(true); // fix: can not access a member
-          final Object[] args = resolveParameter(makeAccessible(method), this);
+          ReflectionUtils.makeAccessible(method);
+          final Object[] args = ContextUtils.resolveParameter(method, this);
           method.invoke(bean, args);
         }
         catch (Exception e) {
@@ -931,11 +929,11 @@ public void setObjectFactories(Map<Class<?>, Object> objectFactories) {
    * Reflective InvocationHandler for lazy access to the current target object.
    */
   public static class ObjectFactoryDelegatingHandler implements InvocationHandler {
-
     private final ObjectFactory<?> objectFactory;
 
     public ObjectFactoryDelegatingHandler(ObjectFactory<?> objectFactory) {
-      this.objectFactory = requireNonNull(objectFactory);
+      Assert.notNull(objectFactory, "objectFactory must not be null");
+      this.objectFactory = objectFactory;
     }
 
     @Override
diff --git a/src/main/java/cn/taketoday/context/utils/ClassUtils.java b/src/main/java/cn/taketoday/context/utils/ClassUtils.java
index 5f6ca10baa..f7bdb07806 100644
--- a/src/main/java/cn/taketoday/context/utils/ClassUtils.java
+++ b/src/main/java/cn/taketoday/context/utils/ClassUtils.java
@@ -185,16 +185,6 @@ public static ClassLoader getClassLoader() {
     return classLoader;
   }
 
-  /**
-   * get all classes loaded in class path
-   *
-   * @deprecated Deprecated in 2.1.7 High scan performance without caching
-   */
-  @Deprecated
-  public static Set<Class<?>> getClassCache() {
-    return scan(Constant.BLANK);
-  }
-
   // ------------------------------------------ Class Scan
 
   /**
@@ -1254,54 +1244,6 @@ public static <T> Class<T> getUserClass(String name) {
 
   // --------------------------------- Field
 
-  /**
-   * Get bean instance's {@link Field}
-   *
-   * @param target
-   *         target instance
-   *
-   * @return all {@link Field}
-   *
-   * @since 2.1.5
-   * @deprecated use {@link ReflectionUtils#getFields(Object)}
-   */
-  @Deprecated
-  public static Collection<Field> getFields(Object target) {
-    return ReflectionUtils.getFields(target);
-  }
-
-  /**
-   * Get all {@link Field} list
-   *
-   * @param targetClass
-   *         target class
-   *
-   * @return get all the {@link Field}
-   *
-   * @since 2.1.2
-   * @deprecated use {@link ReflectionUtils#getFields(Class)}
-   */
-  @Deprecated
-  public static Collection<Field> getFields(Class<?> targetClass) {
-    return ReflectionUtils.getFields(targetClass);
-  }
-
-  /**
-   * Get all {@link Field} array
-   *
-   * @param targetClass
-   *         target class
-   *
-   * @return get all the {@link Field} array
-   *
-   * @since 2.1.2
-   * @deprecated use {@link ReflectionUtils#getFieldArray(Class)}
-   */
-  @Deprecated
-  public static Field[] getFieldArray(Class<?> targetClass) {
-    return ReflectionUtils.getFieldArray(targetClass);
-  }
-
   // Generics
 
   /**