diff --git a/hutool-core/src/main/java/cn/hutool/core/comparator/CompareUtil.java b/hutool-core/src/main/java/cn/hutool/core/comparator/CompareUtil.java
index 3795eec52..c592e7a30 100644
--- a/hutool-core/src/main/java/cn/hutool/core/comparator/CompareUtil.java
+++ b/hutool-core/src/main/java/cn/hutool/core/comparator/CompareUtil.java
@@ -2,6 +2,11 @@ package cn.hutool.core.comparator;
 
 import java.util.Comparator;
 
+/**
+ * 比较工具类
+ *
+ * @author looly
+ */
 public class CompareUtil {
 
 	/**
@@ -22,7 +27,7 @@ public class CompareUtil {
 	@SuppressWarnings({"rawtypes", "unchecked"})
 	public static <T> int compare(T c1, T c2, Comparator<T> comparator) {
 		if (null == comparator) {
-			return compare((Comparable)c1, (Comparable)c2);
+			return compare((Comparable) c1, (Comparable) c2);
 		}
 		return comparator.compare(c1, c2);
 	}
diff --git a/hutool-core/src/test/java/cn/hutool/core/bean/BeanUtilTest.java b/hutool-core/src/test/java/cn/hutool/core/bean/BeanUtilTest.java
index 360051230..16112e51d 100644
--- a/hutool-core/src/test/java/cn/hutool/core/bean/BeanUtilTest.java
+++ b/hutool-core/src/test/java/cn/hutool/core/bean/BeanUtilTest.java
@@ -156,6 +156,16 @@ public class BeanUtilTest {
 		Assert.assertEquals("sub名字", map.get("aliasSubName"));
 	}
 
+	@Test
+	public void mapToBeanWithAliasTest() {
+		Map<String, Object> map = MapUtil.newHashMap();
+		map.put("aliasSubName", "sub名字");
+		map.put("slow", true);
+
+		final SubPersonWithAlias subPersonWithAlias = BeanUtil.mapToBean(map, SubPersonWithAlias.class, false);
+		Assert.assertEquals("sub名字", subPersonWithAlias.getSubName());
+	}
+
 	@Test
 	public void beanToMapWithLocalDateTimeTest() {
 		final LocalDateTime now = LocalDateTime.now();
diff --git a/hutool-core/src/test/java/cn/hutool/core/comparator/CompareUtilTest.java b/hutool-core/src/test/java/cn/hutool/core/comparator/CompareUtilTest.java
new file mode 100644
index 000000000..b1378be80
--- /dev/null
+++ b/hutool-core/src/test/java/cn/hutool/core/comparator/CompareUtilTest.java
@@ -0,0 +1,16 @@
+package cn.hutool.core.comparator;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+public class CompareUtilTest {
+
+	@Test
+	public void compareTest(){
+		int compare = CompareUtil.compare(null, "a", true);
+		Assert.assertTrue(compare > 0);
+
+		compare = CompareUtil.compare(null, "a", false);
+		Assert.assertTrue(compare < 0);
+	}
+}
diff --git a/hutool-http/src/main/java/cn/hutool/http/server/action/Action.java b/hutool-http/src/main/java/cn/hutool/http/server/action/Action.java
index a905fd5df..73b69058e 100644
--- a/hutool-http/src/main/java/cn/hutool/http/server/action/Action.java
+++ b/hutool-http/src/main/java/cn/hutool/http/server/action/Action.java
@@ -12,6 +12,7 @@ import java.io.IOException;
  * @author Looly
  * @since 5.2.6
  */
+@FunctionalInterface
 public interface Action {
 
 	/**
diff --git a/hutool-http/src/test/java/cn/hutool/http/server/BlankServerTest.java b/hutool-http/src/test/java/cn/hutool/http/server/BlankServerTest.java
new file mode 100644
index 000000000..b5819778e
--- /dev/null
+++ b/hutool-http/src/test/java/cn/hutool/http/server/BlankServerTest.java
@@ -0,0 +1,13 @@
+package cn.hutool.http.server;
+
+import cn.hutool.http.HttpUtil;
+
+public class BlankServerTest {
+	public static void main(String[] args) {
+		HttpUtil.createServer(8888)
+				.addAction("/", (req, res)->{
+					res.write("Hello Hutool Server");
+				})
+				.start();
+	}
+}
diff --git a/hutool-http/src/test/java/cn/hutool/http/server/DocServerTest.java b/hutool-http/src/test/java/cn/hutool/http/server/DocServerTest.java
index 198af98c6..e5685e2bc 100644
--- a/hutool-http/src/test/java/cn/hutool/http/server/DocServerTest.java
+++ b/hutool-http/src/test/java/cn/hutool/http/server/DocServerTest.java
@@ -9,7 +9,6 @@ public class DocServerTest {
 		HttpUtil.createServer(80)
 				// 设置默认根目录，
 				.setRoot("D:\\workspace\\site\\hutool-site")
-				// 返回JSON数据测试
 				.start();
 
 		DesktopUtil.browse("http://localhost/");
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 ddf9082ab..2c325eec1 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
@@ -23,11 +23,11 @@ public class SimpleServerTest {
 				// 文件上传测试
 				// http://localhost:8888/formTest?a=1&a=2&b=3
 				.addAction("/file", (request, response) -> {
-					final UploadFile file = request.getMultipart().getFile("file");
-					// 传入目录，默认读取HTTP头中的文件名然后创建文件
-					file.write("d:/test/");
-					Console.log("Write file to: d:/test/");
-					response.write(request.getParams().toString(), ContentType.TEXT_PLAIN.toString());
+							final UploadFile file = request.getMultipart().getFile("file");
+							// 传入目录，默认读取HTTP头中的文件名然后创建文件
+							file.write("d:/test/");
+							Console.log("Write file to: d:/test/");
+							response.write(request.getParams().toString(), ContentType.TEXT_PLAIN.toString());
 						}
 				)
 				.start();