fix bug

hutool-json/src/main/java/cn/hutool/json/JSONObject.java

@@ -671,7 +671,6 @@ public class JSONObject implements JSON, JSONGetter<String>, Map<String, Object>
 			// 不支持对象类型转换为JSONObject
 			throw new JSONException("Unsupported type [{}] to JSONObject!", source.getClass());
 		}
-
 	}
 
 	/**

hutool-json/src/test/java/cn/hutool/json/Issue2090Test.java

@@ -0,0 +1,43 @@
+package cn.hutool.json;
+
+import lombok.Data;
+import org.junit.Assert;
+import org.junit.Test;
+
+import java.time.LocalDate;
+import java.time.Month;
+
+/**
+ * https://github.com/dromara/hutool/issues/2090
+ */
+public class Issue2090Test {
+
+	@Test
+	public void parseTest(){
+		final TestBean test = new TestBean();
+		test.setLocalDate(LocalDate.now());
+
+		final JSONObject json = JSONUtil.parseObj(test);
+		final TestBean test1 = json.toBean(TestBean.class);
+		Assert.assertEquals(test, test1);
+	}
+
+	@Test
+	public void parseLocalDateTest(){
+		LocalDate localDate = LocalDate.now();
+		final JSONObject jsonObject = JSONUtil.parseObj(localDate);
+		Assert.assertNotNull(jsonObject.toString());
+	}
+
+	@Test
+	public void monthTest(){
+		final JSONObject jsonObject = new JSONObject();
+		jsonObject.set("month", Month.JANUARY);
+		Assert.assertEquals("{\"month\":1}", jsonObject.toString());
+	}
+
+	@Data
+	public static class TestBean{
+		private LocalDate localDate;
+	}
+}

hutool-json/src/test/java/cn/hutool/json/JSONObjectTest.java

@@ -30,6 +30,7 @@ import org.junit.Test;
 
 import java.math.BigDecimal;
 import java.sql.Timestamp;
+import java.time.LocalDate;
 import java.util.Date;
 import java.util.HashMap;
 import java.util.List;