diff --git a/hutool-json/src/main/java/cn/hutool/json/serialize/JSONWriter.java b/hutool-json/src/main/java/cn/hutool/json/serialize/JSONWriter.java
index 52141e377..64ab4ad6a 100755
--- a/hutool-json/src/main/java/cn/hutool/json/serialize/JSONWriter.java
+++ b/hutool-json/src/main/java/cn/hutool/json/serialize/JSONWriter.java
@@ -267,7 +267,7 @@ public class JSONWriter extends Writer {
 		} else if (value instanceof Date || value instanceof Calendar || value instanceof TemporalAccessor) {
 			// issue#2572@Github
 			if(value instanceof TemporalAccessor){
-				if(value instanceof DayOfWeek || value instanceof java.time.Month || value instanceof Era || value instanceof MonthDay){
+				if(value instanceof DayOfWeek || value instanceof Era || value instanceof MonthDay){
 					writeStrValue(value.toString());
 					return this;
 				}
diff --git a/hutool-json/src/test/java/cn/hutool/json/Issue2572Test.java b/hutool-json/src/test/java/cn/hutool/json/Issue2572Test.java
index 1ef29ad24..9ebcea653 100755
--- a/hutool-json/src/test/java/cn/hutool/json/Issue2572Test.java
+++ b/hutool-json/src/test/java/cn/hutool/json/Issue2572Test.java
@@ -32,7 +32,7 @@ public class Issue2572Test {
 		months.add(Month.DECEMBER);
 		final JSONObject obj = new JSONObject();
 		obj.set("months", months);
-		Assert.assertEquals("{\"months\":[\"DECEMBER\"]}", obj.toString());
+		Assert.assertEquals("{\"months\":[12]}", obj.toString());
 
 		final Map<String, Set<Month>> monthDays1 = obj.toBean(new TypeReference<Map<String, Set<Month>>>() {
 		});