diff --git a/hutool-core/src/main/java/cn/hutool/core/date/Month.java b/hutool-core/src/main/java/cn/hutool/core/date/Month.java
index cae70b500..fd3085fb2 100644
--- a/hutool-core/src/main/java/cn/hutool/core/date/Month.java
+++ b/hutool-core/src/main/java/cn/hutool/core/date/Month.java
@@ -108,11 +108,7 @@ public enum Month {
 	 * @return 此月份最后一天的值
 	 */
 	public int getLastDay(boolean isLeapYear) {
-		int lastDay = DAYS_OF_MONTH[value];
-		if (isLeapYear && Calendar.FEBRUARY == value){
-			lastDay += 1;
-		}
-		return lastDay;
+		return getLastDay(this.value, isLeapYear);
 	}
 
 	/**
@@ -166,4 +162,20 @@ public enum Month {
 				return null;
 		}
 	}
+
+	/**
+	 * 获得指定月的最后一天
+	 * @param month 月份
+	 * @param isLeapYear 是否为闰年，闰年只对二月有影响
+	 * @return 最后一天，可能为28,29,30,31
+	 * @since 5.4.7
+	 */
+	public static int getLastDay(int month, boolean isLeapYear){
+		int lastDay = DAYS_OF_MONTH[month];
+		if (isLeapYear && Calendar.FEBRUARY == month){
+			// 二月
+			lastDay += 1;
+		}
+		return lastDay;
+	}
 }
diff --git a/hutool-cron/src/main/java/cn/hutool/cron/CronTimer.java b/hutool-cron/src/main/java/cn/hutool/cron/CronTimer.java
index 84d7317a2..abc95544c 100644
--- a/hutool-cron/src/main/java/cn/hutool/cron/CronTimer.java
+++ b/hutool-cron/src/main/java/cn/hutool/cron/CronTimer.java
@@ -9,7 +9,7 @@ import java.io.Serializable;
 
 /**
  * 定时任务计时器<br>
- * 计时器线程每隔一分钟检查一次任务列表，一旦匹配到执行对应的Task
+ * 计时器线程每隔一分钟（一秒钟）检查一次任务列表，一旦匹配到执行对应的Task
  * @author Looly
  *
  */
@@ -57,7 +57,7 @@ public class CronTimer extends Thread implements Serializable {
 				spawnLauncher(thisTime);
 			}
 		}
-		log.debug("Hutool-cron timer stoped.");
+		log.debug("Hutool-cron timer stopped.");
 	}
 	
 	/**
diff --git a/hutool-cron/src/main/java/cn/hutool/cron/pattern/CronPattern.java b/hutool-cron/src/main/java/cn/hutool/cron/pattern/CronPattern.java
index abb8da6d5..53ce2cb4b 100644
--- a/hutool-cron/src/main/java/cn/hutool/cron/pattern/CronPattern.java
+++ b/hutool-cron/src/main/java/cn/hutool/cron/pattern/CronPattern.java
@@ -111,8 +111,6 @@ public class CronPattern {
 	/**
 	 * 构造
 	 * 
-	 * @see CronPattern
-	 * 
 	 * @param pattern 表达式
 	 */
 	public CronPattern(String pattern) {
diff --git a/hutool-cron/src/main/java/cn/hutool/cron/pattern/matcher/BoolArrayValueMatcher.java b/hutool-cron/src/main/java/cn/hutool/cron/pattern/matcher/BoolArrayValueMatcher.java
index 18d4bb721..a152f654f 100644
--- a/hutool-cron/src/main/java/cn/hutool/cron/pattern/matcher/BoolArrayValueMatcher.java
+++ b/hutool-cron/src/main/java/cn/hutool/cron/pattern/matcher/BoolArrayValueMatcher.java
@@ -1,10 +1,10 @@
 package cn.hutool.cron.pattern.matcher;
 
+import cn.hutool.core.util.StrUtil;
+
 import java.util.Collections;
 import java.util.List;
 
-import cn.hutool.core.util.StrUtil;
-
 /**
  * 将表达式中的数字值列表转换为Boolean数组，匹配时匹配相应数组位
  * @author Looly
@@ -31,6 +31,6 @@ public class BoolArrayValueMatcher implements ValueMatcher{
 	
 	@Override
 	public String toString() {
-		return StrUtil.format("Matcher:{}", (Object)this.bValues);
+		return StrUtil.format("Matcher:{}", new Object[]{this.bValues});
 	}
 }
diff --git a/hutool-cron/src/main/java/cn/hutool/cron/pattern/matcher/DayOfMonthValueMatcher.java b/hutool-cron/src/main/java/cn/hutool/cron/pattern/matcher/DayOfMonthValueMatcher.java
index fd859a81f..75f1aec13 100644
--- a/hutool-cron/src/main/java/cn/hutool/cron/pattern/matcher/DayOfMonthValueMatcher.java
+++ b/hutool-cron/src/main/java/cn/hutool/cron/pattern/matcher/DayOfMonthValueMatcher.java
@@ -1,10 +1,12 @@
 package cn.hutool.cron.pattern.matcher;
 
+import cn.hutool.core.date.Month;
+
 import java.util.List;
 
 /**
  * 每月第几天匹配<br>
- * 考虑每月的天数不同，切存在闰年情况，日匹配单独使用
+ * 考虑每月的天数不同，且存在闰年情况，日匹配单独使用
  * 
  * @author Looly
  *
@@ -49,10 +51,6 @@ public class DayOfMonthValueMatcher extends BoolArrayValueMatcher {
 	 * @return 是否为本月最后一天
 	 */
 	private static boolean isLastDayOfMonth(int value, int month, boolean isLeapYear) {
-		if (isLeapYear && month == 2) {
-			return value == 29;
-		} else {
-			return value == LAST_DAYS[month - 1];
-		}
+		return value == Month.getLastDay(month, isLeapYear);
 	}
 }
diff --git a/hutool-http/src/test/java/cn/hutool/http/server/SimpleServerTest.java b/hutool-http/src/test/java/cn/hutool/http/server/SimpleServerTest.java
index 633943dc7..bca649874 100644
--- a/hutool-http/src/test/java/cn/hutool/http/server/SimpleServerTest.java
+++ b/hutool-http/src/test/java/cn/hutool/http/server/SimpleServerTest.java
@@ -5,6 +5,7 @@ import cn.hutool.core.lang.Console;
 import cn.hutool.core.net.multipart.UploadFile;
 import cn.hutool.http.ContentType;
 import cn.hutool.http.HttpUtil;
+import cn.hutool.json.JSONUtil;
 
 public class SimpleServerTest {
 
@@ -17,9 +18,13 @@ public class SimpleServerTest {
 						response.write(request.getURI().toString(), ContentType.TEXT_PLAIN.toString())
 				)
 				// 返回JSON数据测试
-				.addAction("/restTest", (request, response) ->
-						response.write("{\"id\": 1, \"msg\": \"OK\"}", ContentType.JSON.toString())
-				)
+				.addAction("/restTest", (request, response) -> {
+					String res = JSONUtil.createObj()
+							.set("id", 1)
+							.set("method", request.getMethod())
+							.toStringPretty();
+					response.write(res, ContentType.JSON.toString());
+				})
 				// 获取表单数据测试
 				// http://localhost:8888/formTest?a=1&a=2&b=3
 				.addAction("/formTest", (request, response) ->
diff --git a/hutool-http/src/test/java/cn/hutool/http/test/RestTest.java b/hutool-http/src/test/java/cn/hutool/http/test/RestTest.java
index 2730ec6d9..4a43c05c6 100644
--- a/hutool-http/src/test/java/cn/hutool/http/test/RestTest.java
+++ b/hutool-http/src/test/java/cn/hutool/http/test/RestTest.java
@@ -1,6 +1,7 @@
 package cn.hutool.http.test;
 
 import cn.hutool.core.lang.Console;
+import cn.hutool.http.Header;
 import cn.hutool.http.HttpRequest;
 import cn.hutool.http.HttpUtil;
 import cn.hutool.json.JSONUtil;
@@ -46,8 +47,9 @@ public class RestTest {
 
 	@Test
 	@Ignore
-	public void postTest3() {
-		HttpRequest request = HttpRequest.post("http://211.162.39.204:8181/jeesite-simple/a/open/bizGwbnService/test")//
+	public void getWithBodyTest() {
+		HttpRequest request = HttpRequest.get("http://localhost:8888/restTest")//
+				.header(Header.CONTENT_TYPE, "application/json")
 				.body(JSONUtil.createObj()
 						.set("aaa", "aaaValue")
 						.set("键2", "值2").toString());
diff --git a/hutool-poi/src/main/java/cn/hutool/poi/excel/ExcelWriter.java b/hutool-poi/src/main/java/cn/hutool/poi/excel/ExcelWriter.java
index 6d9137134..b484bfa69 100644
--- a/hutool-poi/src/main/java/cn/hutool/poi/excel/ExcelWriter.java
+++ b/hutool-poi/src/main/java/cn/hutool/poi/excel/ExcelWriter.java
@@ -965,7 +965,7 @@ public class ExcelWriter extends ExcelBase<ExcelWriter> {
 	 * @param y Y坐标，从0计数，即行号
 	 * @return {@link CellStyle}
 	 * @since 4.0.9
-	 * @deprecated 请使用{@link #createCellStyle(int, int)}
+	 * @deprecated 请使用 {@link #createCellStyle(int, int)}
 	 */
 	@Deprecated
 	public CellStyle createStyleForCell(int x, int y) {