diff --git a/hutool-json/src/test/java/cn/hutool/json/Issue2801Test.java b/hutool-json/src/test/java/cn/hutool/json/Issue2801Test.java
new file mode 100755
index 000000000..08e03399c
--- /dev/null
+++ b/hutool-json/src/test/java/cn/hutool/json/Issue2801Test.java
@@ -0,0 +1,13 @@
+package cn.hutool.json;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+public class Issue2801Test {
+	@Test
+	public void toStringTest() {
+		final JSONObject recordObj = new JSONObject(JSONConfig.of().setIgnoreNullValue(false));
+		recordObj.put("m_reportId", null);
+		Assert.assertEquals("{\"m_reportId\":null}", recordObj.toString());
+	}
+}