From 2e628b08c5e0cf510a2bb970f3423ed2875bedc3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=94=B3=E5=8A=AD=E6=98=8E?= <626546063@qq.com>
Date: Thu, 5 Aug 2021 06:09:50 +0000
Subject: [PATCH] fix bug #I4402K

---
 hutool-core/src/main/java/cn/hutool/core/map/MapProxy.java | 1 +
 1 file changed, 1 insertion(+)

diff --git a/hutool-core/src/main/java/cn/hutool/core/map/MapProxy.java b/hutool-core/src/main/java/cn/hutool/core/map/MapProxy.java
index 6fe603ec6..0a59c1a79 100644
--- a/hutool-core/src/main/java/cn/hutool/core/map/MapProxy.java
+++ b/hutool-core/src/main/java/cn/hutool/core/map/MapProxy.java
@@ -155,6 +155,7 @@ public class MapProxy implements Map<Object, Object>, OptNullBasicTypeFromObject
 				final String fieldName = StrUtil.removePreAndLowerFirst(methodName, 3);
 				if (StrUtil.isNotBlank(fieldName)) {
 					this.put(fieldName, args[0]);
+					return proxy;
 				}
 			} else if ("equals".equals(methodName)) {
 				return this.equals(args[0]);