diff --git a/hutool-json/pom.xml b/hutool-json/pom.xml
index 01df0cdf3..e28c6ecd9 100755
--- a/hutool-json/pom.xml
+++ b/hutool-json/pom.xml
@@ -59,6 +59,11 @@
 			<version>2.0.40</version>
 			<scope>test</scope>
 		</dependency>
+		<dependency>
+			<groupId>com.alibaba</groupId>
+			<artifactId>fastjson</artifactId>
+			<version>2.0.32</version>
+		</dependency>
 		<dependency>
 			<groupId>io.jsonwebtoken</groupId>
 			<artifactId>jjwt-impl</artifactId>
diff --git a/hutool-json/src/test/java/org/dromara/hutool/json/IssueI7VM64Test.java b/hutool-json/src/test/java/org/dromara/hutool/json/IssueI7VM64Test.java
new file mode 100644
index 000000000..cbd852724
--- /dev/null
+++ b/hutool-json/src/test/java/org/dromara/hutool/json/IssueI7VM64Test.java
@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2023. looly(loolly@aliyun.com)
+ * Hutool is licensed under Mulan PSL v2.
+ * You can use this software according to the terms and conditions of the Mulan PSL v2.
+ * You may obtain a copy of Mulan PSL v2 at:
+ *          https://license.coscl.org.cn/MulanPSL2
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PSL v2 for more details.
+ */
+
+package org.dromara.hutool.json;
+
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+import java.util.HashMap;
+
+public class IssueI7VM64Test {
+
+	@SuppressWarnings("MismatchedQueryAndUpdateOfCollection")
+	@Test
+	void hutoolJSONTest() {
+		final HashMap<String, Object> map = new HashMap<>();
+		map.put("a", "1");
+
+		final JSONObject jsonObject = new JSONObject(map);
+		map.put("b", 2);
+
+		//Console.log("Hutool JSON: " + jsonObject);
+		Assertions.assertEquals("{\"a\":\"1\"}", jsonObject.toString());
+	}
+
+	@Test
+	void fastJSONTest() {
+		final HashMap<String, Object> map = new HashMap<>();
+		map.put("a", "1");
+
+		final com.alibaba.fastjson.JSONObject jsonObject = new com.alibaba.fastjson.JSONObject(map);
+		map.put("b", 2);
+
+		//Console.log("FastJSON: " + jsonObject);
+		Assertions.assertEquals("{\"a\":\"1\",\"b\":2}", jsonObject.toString());
+	}
+
+	@Test
+	void fastJSON2Test() {
+		final HashMap<String, Object> map = new HashMap<>();
+		map.put("a", "1");
+
+		final com.alibaba.fastjson2.JSONObject jsonObject = new com.alibaba.fastjson2.JSONObject(map);
+		map.put("b", 2);
+
+		//Console.log("FastJSON2 " + jsonObject);
+		Assertions.assertEquals("{\"a\":\"1\"}", jsonObject.toString());
+	}
+}