diff --git a/src/main/java/top/csaf/ClassUtils.java b/src/main/java/top/csaf/ClassUtils.java
index 1cb37b4757408849e46694f4a96c6435fc7d0c21..3787ff3208f2cf37ccf5fb98a71031d9000e5b39 100644
--- a/src/main/java/top/csaf/ClassUtils.java
+++ b/src/main/java/top/csaf/ClassUtils.java
@@ -19,7 +19,7 @@ public class ClassUtils extends org.apache.commons.lang3.ClassUtils {
       throw new IllegalArgumentException("Classes: length should be greater than 0");
     }
     for (Class<?> clazz : classes) {
-      if (!((Integer.class.equals(clazz)) ||
+      if (!(Integer.class.equals(clazz) ||
         Long.class.equals(clazz) ||
         Double.class.equals(clazz) ||
         Float.class.equals(clazz) ||
@@ -48,7 +48,7 @@ public class ClassUtils extends org.apache.commons.lang3.ClassUtils {
       throw new IllegalArgumentException("Objects: length should be greater than 0");
     }
     for (Object object : objects) {
-      if (!((object instanceof Integer) ||
+      if (!(object instanceof Integer ||
         object instanceof Long ||
         object instanceof Double ||
         object instanceof Float ||
diff --git a/src/test/java/top/csaf/junit/ArrayUtilsTest.java b/src/test/java/top/csaf/junit/ArrayUtilsTest.java
index 564dd9e4c982b00e27d726d498d21a2ee94a87cb..cf545c7300bf7e5036e2adb96983c0e597260ff3 100644
--- a/src/test/java/top/csaf/junit/ArrayUtilsTest.java
+++ b/src/test/java/top/csaf/junit/ArrayUtilsTest.java
@@ -12,7 +12,7 @@ import java.nio.charset.Charset;
 import static org.junit.jupiter.api.Assertions.*;
 
 @DisplayName("数组工具类测试")
-public class ArrayUtilsTest {
+class ArrayUtilsTest {
 
   @DisplayName("toBytesAndToString：转字节数组和转字符串")
   @Test
diff --git a/src/test/java/top/csaf/junit/BeanUtilsTest.java b/src/test/java/top/csaf/junit/BeanUtilsTest.java
index 981ca3a633d411a889141246ffbbf86a807c4027..e95df84863c850d9d9be3b14771c04f530baace6 100644
--- a/src/test/java/top/csaf/junit/BeanUtilsTest.java
+++ b/src/test/java/top/csaf/junit/BeanUtilsTest.java
@@ -1,6 +1,7 @@
 package top.csaf.junit;
 
 import lombok.Data;
+import lombok.EqualsAndHashCode;
 import lombok.NoArgsConstructor;
 import org.junit.jupiter.api.DisplayName;
 import org.junit.jupiter.api.Test;
@@ -13,7 +14,7 @@ import java.util.*;
 import static org.junit.jupiter.api.Assertions.*;
 
 @DisplayName("Bean 工具类测试")
-public class BeanUtilsTest {
+class BeanUtilsTest {
 
   @NoArgsConstructor
   @Data
@@ -21,6 +22,7 @@ public class BeanUtilsTest {
     private String superName;
   }
 
+  @EqualsAndHashCode(callSuper = true)
   @NoArgsConstructor
   @Data
   public static class TestBean extends TestSuperBean implements Serializable {
diff --git a/src/test/java/top/csaf/junit/ClassUtilsTest.java b/src/test/java/top/csaf/junit/ClassUtilsTest.java
index 9db7b4ee4419f9176908bd515d823b4636768bdb..27832937736c79f97cbadfb5038bbb76fc6bca95 100644
--- a/src/test/java/top/csaf/junit/ClassUtilsTest.java
+++ b/src/test/java/top/csaf/junit/ClassUtilsTest.java
@@ -7,7 +7,7 @@ import top.csaf.ClassUtils;
 
 @Slf4j
 @DisplayName("Class 工具类测试")
-public class ClassUtilsTest {
+class ClassUtilsTest {
 
   private void println(Object source) {
     System.out.println(source);
diff --git a/src/test/java/top/csaf/junit/CollectionUtilsTest.java b/src/test/java/top/csaf/junit/CollectionUtilsTest.java
index e2fb2e4aeb34b89883564c1db5f60003b1291873..e7dce554866089162292c7b7fd925b93574a28b4 100644
--- a/src/test/java/top/csaf/junit/CollectionUtilsTest.java
+++ b/src/test/java/top/csaf/junit/CollectionUtilsTest.java
@@ -19,7 +19,7 @@ import static org.junit.jupiter.api.Assertions.*;
 
 @Slf4j
 @DisplayName("集合工具类测试")
-public class CollectionUtilsTest {
+class CollectionUtilsTest {
 
   public static void main(String[] args) {
     genCollections4Fn();
diff --git a/src/test/java/top/csaf/junit/DateUtilsTest.java b/src/test/java/top/csaf/junit/DateUtilsTest.java
index 71926371da64ef359e73fe90f7976f895c50b2ae..c2a4ea93447905198c51a37509f8459e3bbf3972 100644
--- a/src/test/java/top/csaf/junit/DateUtilsTest.java
+++ b/src/test/java/top/csaf/junit/DateUtilsTest.java
@@ -17,7 +17,7 @@ import java.util.Locale;
 
 @Slf4j
 @DisplayName("时间工具类测试")
-public class DateUtilsTest {
+class DateUtilsTest {
 
   private final ZonedDateTime nowZonedDateTime = ZonedDateTime.now();
   private final LocalDateTime nowLocalDateTime = LocalDateTime.now();
diff --git a/src/test/java/top/csaf/junit/FileUtilsTest.java b/src/test/java/top/csaf/junit/FileUtilsTest.java
index 38c225cb36210f5cb07bfc86105571dcf9f42105..85745513c3a9f1b1a1a6d043e62eb8aa37e7bf2d 100644
--- a/src/test/java/top/csaf/junit/FileUtilsTest.java
+++ b/src/test/java/top/csaf/junit/FileUtilsTest.java
@@ -10,7 +10,7 @@ import static org.junit.jupiter.api.Assertions.assertThrows;
 
 @Slf4j
 @DisplayName("文件工具类测试")
-public class FileUtilsTest {
+class FileUtilsTest {
   private static final String PROJECT_PATH = FileUtils.getUserDir();
   private static final String PROJECT_PATH_SLASH = FileUtils.getUserDir().replace("\\", "/");
 
diff --git a/src/test/java/top/csaf/junit/HttpUtilsTest.java b/src/test/java/top/csaf/junit/HttpUtilsTest.java
index 9faf8c9054c8913202d863a355fbfc98a9f847ad..0fad96ca9d8a673ef0ecd91f40f6aecf139dfd29 100644
--- a/src/test/java/top/csaf/junit/HttpUtilsTest.java
+++ b/src/test/java/top/csaf/junit/HttpUtilsTest.java
@@ -21,7 +21,7 @@ import java.util.Map;
 
 @Slf4j
 @DisplayName("HTTP 工具类测试")
-public class HttpUtilsTest {
+class HttpUtilsTest {
 
   @DisplayName("获取 Media Types")
   @Test
diff --git a/src/test/java/top/csaf/junit/PinyinUtilsTest.java b/src/test/java/top/csaf/junit/PinyinUtilsTest.java
index df862a9c781ca7ea4c1d102821104b6dd103422c..fa2b3617587775b504cdb45f9e7ed7b36567da4a 100644
--- a/src/test/java/top/csaf/junit/PinyinUtilsTest.java
+++ b/src/test/java/top/csaf/junit/PinyinUtilsTest.java
@@ -24,7 +24,7 @@ import java.util.regex.Pattern;
 
 @Slf4j
 @DisplayName("拼音工具类测试")
-public class PinyinUtilsTest {
+class PinyinUtilsTest {
 
   private static final Pattern PINYIN_PATTERN_A = Pattern.compile("[āáǎà]");
   private static final Pattern PINYIN_PATTERN_O = Pattern.compile("[ōóǒò]");
diff --git a/src/test/java/top/csaf/junit/RegExUtilsTest.java b/src/test/java/top/csaf/junit/RegExUtilsTest.java
index 45d1bce33d06da6ccbcfcafa646af12359a8a2c3..11b9bd1748fecc3d81d7c049662aa37914e990af 100644
--- a/src/test/java/top/csaf/junit/RegExUtilsTest.java
+++ b/src/test/java/top/csaf/junit/RegExUtilsTest.java
@@ -13,7 +13,7 @@ import static org.junit.jupiter.api.Assertions.assertThrows;
 
 @Slf4j
 @DisplayName("正则工具类测试")
-public class RegExUtilsTest {
+class RegExUtilsTest {
 
   @Test
   void testCodeCoverage() {
diff --git a/src/test/java/top/csaf/junit/SecurityUtilsTest.java b/src/test/java/top/csaf/junit/SecurityUtilsTest.java
index 902df2a1c6b4c3101e9d4f626e3d9e1e489ea6e3..68b78f6f5c24d0114bfef3fa2cc21e755b3a5c84 100644
--- a/src/test/java/top/csaf/junit/SecurityUtilsTest.java
+++ b/src/test/java/top/csaf/junit/SecurityUtilsTest.java
@@ -13,7 +13,7 @@ import java.security.spec.InvalidKeySpecException;
 
 @Slf4j
 @DisplayName("加密解密工具类测试")
-public class SecurityUtilsTest {
+class SecurityUtilsTest {
 
   private void println(Object source) {
     System.out.println(source);
diff --git a/src/test/java/top/csaf/junit/StringUtilsTest.java b/src/test/java/top/csaf/junit/StringUtilsTest.java
index 09a4164cdac3643fa643a93b946020b1602ef47d..cfa6268d376086c671e6bd4eb0ecdadcb1e4d696 100644
--- a/src/test/java/top/csaf/junit/StringUtilsTest.java
+++ b/src/test/java/top/csaf/junit/StringUtilsTest.java
@@ -9,7 +9,7 @@ import java.util.Collections;
 
 @Slf4j
 @DisplayName("字符串工具类测试")
-public class StringUtilsTest {
+class StringUtilsTest {
 
   private void println(Object source) {
     System.out.println(source);
diff --git a/src/test/java/top/csaf/junit/XmlUtilsTest.java b/src/test/java/top/csaf/junit/XmlUtilsTest.java
index 194d119ff9912f2afbac272f281fbd4b63b7a4b1..b9f84add1e48c461579eb4852ef5222b5580a4c2 100644
--- a/src/test/java/top/csaf/junit/XmlUtilsTest.java
+++ b/src/test/java/top/csaf/junit/XmlUtilsTest.java
@@ -13,7 +13,7 @@ import top.csaf.io.FileUtils;
 
 @Slf4j
 @DisplayName("XML 工具类测试")
-public class XmlUtilsTest {
+class XmlUtilsTest {
 
   private void println(Object source) {
     System.out.println(source);
diff --git a/src/test/java/top/csaf/junit/YamlUtilsTest.java b/src/test/java/top/csaf/junit/YamlUtilsTest.java
index e7aaa2714829a33cd09cd4f18c841a8a86c00fde..9016182f6f76694a4e775cf84a471f81e25ceb33 100644
--- a/src/test/java/top/csaf/junit/YamlUtilsTest.java
+++ b/src/test/java/top/csaf/junit/YamlUtilsTest.java
@@ -10,7 +10,7 @@ import static org.junit.jupiter.api.Assertions.assertEquals;
 
 @Slf4j
 @DisplayName("YAML 工具类测试")
-public class YamlUtilsTest {
+class YamlUtilsTest {
 
   private static final String YML_FILE_PATH = FileUtils.getProjectPath() + "/src/test/java/top/csaf/assets/yaml/test.yml";
 
diff --git a/src/test/java/top/csaf/junit/id/SnowFlakeTest.java b/src/test/java/top/csaf/junit/id/SnowFlakeTest.java
index 86424e80bd01d34321456e518840afc32793b551..ea5559f19688c465ec2784b6db34bf96d6ca8ae3 100644
--- a/src/test/java/top/csaf/junit/id/SnowFlakeTest.java
+++ b/src/test/java/top/csaf/junit/id/SnowFlakeTest.java
@@ -5,7 +5,7 @@ import org.junit.jupiter.api.Test;
 import top.csaf.id.SnowFlake;
 
 @DisplayName("雪花算法测试")
-public class SnowFlakeTest {
+class SnowFlakeTest {
 
   @DisplayName("简单实现")
   @Test