diff --git a/hutool-core/src/main/java/cn/hutool/core/util/ReflectUtil.java b/hutool-core/src/main/java/cn/hutool/core/util/ReflectUtil.java
index 4f9ded9d2..dbad1e91d 100644
--- a/hutool-core/src/main/java/cn/hutool/core/util/ReflectUtil.java
+++ b/hutool-core/src/main/java/cn/hutool/core/util/ReflectUtil.java
@@ -663,34 +663,34 @@ public class ReflectUtil {
 		Assert.notNull(beanClass);
 
 		Method[] allMethods = null;
-		Class<?>[] searchInterfaces = null, parentInterfaces = null;
 		Class<?> searchType = beanClass;
+		Class<?>[] tempInterfaceType, interfaceType;
 		Method[] declaredMethods;
-		while (searchType != null || searchInterfaces != null) {
-			if (searchType != null) {
+		if (searchType.isInterface()) {
+			allMethods = searchType.getDeclaredMethods();
+			interfaceType = searchType.getInterfaces();
+			while (ArrayUtil.isNotEmpty(interfaceType)) {
+				tempInterfaceType = interfaceType;
+				for (int i = 0; i < tempInterfaceType.length; i++) {
+					Class<?> temp = tempInterfaceType[i];
+					allMethods = ArrayUtil.append(allMethods, temp.getDeclaredMethods());
+					if (i == 0 || ArrayUtil.isEmpty(interfaceType)) {
+						interfaceType = temp.getInterfaces();
+					} else {
+						interfaceType = ArrayUtil.append(interfaceType, temp.getInterfaces());
+					}
+				}
+			}
+		} else {
+			while (searchType != null) {
 				declaredMethods = searchType.getDeclaredMethods();
 				if (null == allMethods) {
 					allMethods = declaredMethods;
 				} else {
 					allMethods = ArrayUtil.append(allMethods, declaredMethods);
 				}
-				Class<?>[] interfaces = searchType.getInterfaces();
-				for (Class<?> element : interfaces) {
-					allMethods = ArrayUtil.append(allMethods, element.getDeclaredMethods());
-					parentInterfaces = ArrayUtil.addAll(element.getInterfaces());
-				}
-				searchInterfaces = parentInterfaces;
-				Class<?>[] classes = searchInterfaces.length == 0 ? null : searchInterfaces;
-				searchInterfaces = withSuperClassMethods ? classes : null;
 				searchType = withSuperClassMethods ? searchType.getSuperclass() : null;
 			}
-			if (searchInterfaces != null) {
-				for (Class<?> searchInterface : searchInterfaces) {
-					allMethods = ArrayUtil.append(allMethods, searchInterface.getDeclaredMethods());
-					parentInterfaces = ArrayUtil.addAll(searchInterface.getInterfaces());
-				}
-				searchInterfaces = parentInterfaces.length == 0 ? null : parentInterfaces;
-			}
 		}
 		return allMethods;
 	}