diff --git a/continew-admin-common/src/main/java/top/charles7c/cnadmin/common/base/BaseServiceImpl.java b/continew-admin-common/src/main/java/top/charles7c/cnadmin/common/base/BaseServiceImpl.java
index 8244af02..55047e72 100644
--- a/continew-admin-common/src/main/java/top/charles7c/cnadmin/common/base/BaseServiceImpl.java
+++ b/continew-admin-common/src/main/java/top/charles7c/cnadmin/common/base/BaseServiceImpl.java
@@ -151,7 +151,7 @@ public abstract class BaseServiceImpl<M extends BaseMapper<T>, T extends BaseDO,
         // 设置排序
         Sort sort = Opt.ofNullable(sortQuery).orElseGet(SortQuery::new).getSort();
         for (Sort.Order order : sort) {
-            queryWrapper.orderBy(order != null, order.isAscending(), StrUtil.toUnderlineCase(order.getProperty()));
+            queryWrapper.orderBy(null != order, order.isAscending(), StrUtil.toUnderlineCase(order.getProperty()));
         }
         List<T> entityList = baseMapper.selectList(queryWrapper);
         return BeanUtil.copyToList(entityList, targetClass);
@@ -168,7 +168,7 @@ public abstract class BaseServiceImpl<M extends BaseMapper<T>, T extends BaseDO,
     @Override
     @Transactional(rollbackFor = Exception.class)
     public Long add(C request) {
-        if (request == null) {
+        if (null == request) {
             return 0L;
         }
         T entity = BeanUtil.copyProperties(request, entityClass);
@@ -220,7 +220,7 @@ public abstract class BaseServiceImpl<M extends BaseMapper<T>, T extends BaseDO,
         if (baseObj instanceof BaseVO) {
             BaseVO baseVO = (BaseVO)baseObj;
             Long createUser = baseVO.getCreateUser();
-            if (createUser == null) {
+            if (null == createUser) {
                 return;
             }
             CommonUserService userService = SpringUtil.getBean(CommonUserService.class);
@@ -240,7 +240,7 @@ public abstract class BaseServiceImpl<M extends BaseMapper<T>, T extends BaseDO,
             this.fill(detailVO);
 
             Long updateUser = detailVO.getUpdateUser();
-            if (updateUser == null) {
+            if (null == updateUser) {
                 return;
             }
             CommonUserService userService = SpringUtil.getBean(CommonUserService.class);
diff --git a/continew-admin-common/src/main/java/top/charles7c/cnadmin/common/config/SwaggerConfiguration.java b/continew-admin-common/src/main/java/top/charles7c/cnadmin/common/config/SwaggerConfiguration.java
index 746c7210..f340ffb2 100644
--- a/continew-admin-common/src/main/java/top/charles7c/cnadmin/common/config/SwaggerConfiguration.java
+++ b/continew-admin-common/src/main/java/top/charles7c/cnadmin/common/config/SwaggerConfiguration.java
@@ -63,7 +63,7 @@ public class SwaggerConfiguration {
     @Bean
     public GlobalOpenApiCustomizer orderGlobalOpenApiCustomizer() {
         return openApi -> {
-            if (openApi.getTags() != null) {
+            if (null != openApi.getTags()) {
                 openApi.getTags()
                     .forEach(tag -> tag.setExtensions(MapUtil.of("x-order", RandomUtil.randomInt(0, 100))));
             }
diff --git a/continew-admin-common/src/main/java/top/charles7c/cnadmin/common/config/easyexcel/ExcelBaseEnumConverter.java b/continew-admin-common/src/main/java/top/charles7c/cnadmin/common/config/easyexcel/ExcelBaseEnumConverter.java
index 103b2c8a..e000622b 100644
--- a/continew-admin-common/src/main/java/top/charles7c/cnadmin/common/config/easyexcel/ExcelBaseEnumConverter.java
+++ b/continew-admin-common/src/main/java/top/charles7c/cnadmin/common/config/easyexcel/ExcelBaseEnumConverter.java
@@ -25,7 +25,6 @@ import com.alibaba.excel.metadata.property.ExcelContentProperty;
 
 import cn.hutool.core.convert.Convert;
 import cn.hutool.core.util.ClassUtil;
-import cn.hutool.core.util.ObjectUtil;
 
 import top.charles7c.cnadmin.common.base.BaseEnum;
 import top.charles7c.cnadmin.common.constant.StringConsts;
@@ -63,7 +62,7 @@ public class ExcelBaseEnumConverter implements Converter<BaseEnum<Integer, Strin
     @Override
     public WriteCellData<String> convertToExcelData(BaseEnum<Integer, String> value,
         ExcelContentProperty contentProperty, GlobalConfiguration globalConfiguration) {
-        if (ObjectUtil.isNull(value)) {
+        if (null == value) {
             return new WriteCellData<>(StringConsts.EMPTY);
         }
         return new WriteCellData<>(value.getDescription());
diff --git a/continew-admin-common/src/main/java/top/charles7c/cnadmin/common/config/easyexcel/ExcelBigNumberConverter.java b/continew-admin-common/src/main/java/top/charles7c/cnadmin/common/config/easyexcel/ExcelBigNumberConverter.java
index 6d63c1b3..eb6b95b3 100644
--- a/continew-admin-common/src/main/java/top/charles7c/cnadmin/common/config/easyexcel/ExcelBigNumberConverter.java
+++ b/continew-admin-common/src/main/java/top/charles7c/cnadmin/common/config/easyexcel/ExcelBigNumberConverter.java
@@ -26,7 +26,6 @@ import com.alibaba.excel.metadata.data.WriteCellData;
 import com.alibaba.excel.metadata.property.ExcelContentProperty;
 
 import cn.hutool.core.convert.Convert;
-import cn.hutool.core.util.ObjectUtil;
 
 /**
  * Easy Excel 大数值转换器（Excel 中对长度超过 15 位的数值输入是有限制的，从 16 位开始无论录入什么数字均会变为 0，因此输入时只能以文本的形式进行录入）
@@ -66,7 +65,7 @@ public class ExcelBigNumberConverter implements Converter<Long> {
     @Override
     public WriteCellData<Object> convertToExcelData(Long value, ExcelContentProperty contentProperty,
         GlobalConfiguration globalConfiguration) {
-        if (ObjectUtil.isNotNull(value)) {
+        if (null != value) {
             String str = Long.toString(value);
             if (str.length() > MAX_LENGTH) {
                 return new WriteCellData<>(str);
diff --git a/continew-admin-common/src/main/java/top/charles7c/cnadmin/common/config/jackson/SimpleDeserializersWrapper.java b/continew-admin-common/src/main/java/top/charles7c/cnadmin/common/config/jackson/SimpleDeserializersWrapper.java
index 0d9cce92..20d36174 100644
--- a/continew-admin-common/src/main/java/top/charles7c/cnadmin/common/config/jackson/SimpleDeserializersWrapper.java
+++ b/continew-admin-common/src/main/java/top/charles7c/cnadmin/common/config/jackson/SimpleDeserializersWrapper.java
@@ -52,14 +52,14 @@ public class SimpleDeserializersWrapper extends SimpleDeserializers {
     public JsonDeserializer<?> findEnumDeserializer(Class<?> type, DeserializationConfig config,
         BeanDescription beanDesc) throws JsonMappingException {
         JsonDeserializer<?> deser = super.findEnumDeserializer(type, config, beanDesc);
-        if (deser != null) {
+        if (null != deser) {
             return deser;
         }
 
         // 重写增强：开始查找指定枚举类型的接口的反序列化器（例如：GenderEnum 枚举类型，则是找它的接口 BaseEnum 的反序列化器）
         for (Class<?> typeInterface : type.getInterfaces()) {
             deser = this._classMappings.get(new ClassKey(typeInterface));
-            if (deser != null) {
+            if (null != deser) {
                 return deser;
             }
         }
diff --git a/continew-admin-common/src/main/java/top/charles7c/cnadmin/common/config/mybatis/DataPermissionHandlerImpl.java b/continew-admin-common/src/main/java/top/charles7c/cnadmin/common/config/mybatis/DataPermissionHandlerImpl.java
index 658a72f7..25a5808a 100644
--- a/continew-admin-common/src/main/java/top/charles7c/cnadmin/common/config/mybatis/DataPermissionHandlerImpl.java
+++ b/continew-admin-common/src/main/java/top/charles7c/cnadmin/common/config/mybatis/DataPermissionHandlerImpl.java
@@ -21,7 +21,6 @@ import java.util.Collections;
 
 import lombok.extern.slf4j.Slf4j;
 
-import com.baomidou.mybatisplus.core.toolkit.ObjectUtils;
 import com.baomidou.mybatisplus.core.toolkit.StringUtils;
 import com.baomidou.mybatisplus.extension.plugins.handler.DataPermissionHandler;
 
@@ -80,13 +79,13 @@ public class DataPermissionHandlerImpl implements DataPermissionHandler {
             String methodName = mappedStatementId.substring(mappedStatementId.lastIndexOf(StringConsts.DOT) + 1);
             Method[] methods = clazz.getDeclaredMethods();
             for (Method method : methods) {
-                DataPermission annotation = method.getAnnotation(DataPermission.class);
-                if (ObjectUtils.isNotEmpty(annotation)
+                DataPermission dataPermission = method.getAnnotation(DataPermission.class);
+                if (null != dataPermission
                     && (method.getName().equals(methodName) || (method.getName() + "_COUNT").equals(methodName))) {
                     // 获取当前登录用户
                     LoginUser loginUser = LoginHelper.getLoginUser();
-                    if (ObjectUtils.isNotEmpty(loginUser) && !loginUser.isAdmin()) {
-                        return buildDataScopeFilter(loginUser, annotation.value(), where);
+                    if (null != loginUser && !loginUser.isAdmin()) {
+                        return buildDataScopeFilter(loginUser, dataPermission.value(), where);
                     }
                 }
             }
@@ -134,20 +133,19 @@ public class DataPermissionHandlerImpl implements DataPermissionHandler {
                 InExpression inExpression = new InExpression();
                 inExpression.setLeftExpression(buildColumn(tableAlias, DEPT_ID));
                 inExpression.setRightExpression(subSelect);
-                expression =
-                    ObjectUtils.isNotEmpty(expression) ? new OrExpression(expression, inExpression) : inExpression;
+                expression = null != expression ? new OrExpression(expression, inExpression) : inExpression;
             } else if (DataScopeEnum.DEPT.equals(dataScope)) {
                 // select t1.* from table as t1 where t1.`dept_id` = xxx;
                 EqualsTo equalsTo = new EqualsTo();
                 equalsTo.setLeftExpression(buildColumn(tableAlias, DEPT_ID));
                 equalsTo.setRightExpression(new LongValue(user.getDeptId()));
-                expression = ObjectUtils.isNotEmpty(expression) ? new OrExpression(expression, equalsTo) : equalsTo;
+                expression = null != expression ? new OrExpression(expression, equalsTo) : equalsTo;
             } else if (DataScopeEnum.SELF.equals(dataScope)) {
                 // select t1.* from table as t1 where t1.`create_user` = xxx;
                 EqualsTo equalsTo = new EqualsTo();
                 equalsTo.setLeftExpression(buildColumn(tableAlias, CREATE_USER));
                 equalsTo.setRightExpression(new LongValue(user.getId()));
-                expression = ObjectUtils.isNotEmpty(expression) ? new OrExpression(expression, equalsTo) : equalsTo;
+                expression = null != expression ? new OrExpression(expression, equalsTo) : equalsTo;
             } else if (DataScopeEnum.CUSTOM.equals(dataScope)) {
                 // select t1.* from table as t1 where t1.`dept_id` in (select `dept_id` from `sys_role_dept` where
                 // `role_id` = xxx);
@@ -165,11 +163,10 @@ public class DataPermissionHandlerImpl implements DataPermissionHandler {
                 InExpression inExpression = new InExpression();
                 inExpression.setLeftExpression(buildColumn(tableAlias, DEPT_ID));
                 inExpression.setRightExpression(subSelect);
-                expression =
-                    ObjectUtils.isNotEmpty(expression) ? new OrExpression(expression, inExpression) : inExpression;
+                expression = null != expression ? new OrExpression(expression, inExpression) : inExpression;
             }
         }
-        return ObjectUtils.isNotEmpty(where) ? new AndExpression(where, new Parenthesis(expression)) : expression;
+        return null != where ? new AndExpression(where, new Parenthesis(expression)) : expression;
     }
 
     /**
diff --git a/continew-admin-common/src/main/java/top/charles7c/cnadmin/common/config/mybatis/MyBatisPlusMetaObjectHandler.java b/continew-admin-common/src/main/java/top/charles7c/cnadmin/common/config/mybatis/MyBatisPlusMetaObjectHandler.java
index 410bb9b8..4c162758 100644
--- a/continew-admin-common/src/main/java/top/charles7c/cnadmin/common/config/mybatis/MyBatisPlusMetaObjectHandler.java
+++ b/continew-admin-common/src/main/java/top/charles7c/cnadmin/common/config/mybatis/MyBatisPlusMetaObjectHandler.java
@@ -54,7 +54,7 @@ public class MyBatisPlusMetaObjectHandler implements MetaObjectHandler {
     @Override
     public void insertFill(MetaObject metaObject) {
         try {
-            if (ObjectUtil.isNull(metaObject)) {
+            if (null == metaObject) {
                 return;
             }
 
@@ -88,7 +88,7 @@ public class MyBatisPlusMetaObjectHandler implements MetaObjectHandler {
     @Override
     public void updateFill(MetaObject metaObject) {
         try {
-            if (ObjectUtil.isNull(metaObject)) {
+            if (null == metaObject) {
                 return;
             }
 
@@ -124,7 +124,7 @@ public class MyBatisPlusMetaObjectHandler implements MetaObjectHandler {
     private void fillFieldValue(MetaObject metaObject, String fieldName, Object fillFieldValue, boolean isOverride) {
         if (metaObject.hasSetter(fieldName)) {
             Object fieldValue = metaObject.getValue(fieldName);
-            setFieldValByName(fieldName, fieldValue != null && !isOverride ? fieldValue : fillFieldValue, metaObject);
+            setFieldValByName(fieldName, null != fieldValue && !isOverride ? fieldValue : fillFieldValue, metaObject);
         }
     }
 }
diff --git a/continew-admin-common/src/main/java/top/charles7c/cnadmin/common/handler/CrudRequestMappingHandlerMapping.java b/continew-admin-common/src/main/java/top/charles7c/cnadmin/common/handler/CrudRequestMappingHandlerMapping.java
index 4755cf2c..cfb3f6d1 100644
--- a/continew-admin-common/src/main/java/top/charles7c/cnadmin/common/handler/CrudRequestMappingHandlerMapping.java
+++ b/continew-admin-common/src/main/java/top/charles7c/cnadmin/common/handler/CrudRequestMappingHandlerMapping.java
@@ -41,7 +41,7 @@ public class CrudRequestMappingHandlerMapping extends RequestMappingHandlerMappi
     @Override
     protected RequestMappingInfo getMappingForMethod(@NonNull Method method, @NonNull Class<?> handlerType) {
         RequestMappingInfo requestMappingInfo = super.getMappingForMethod(method, handlerType);
-        if (requestMappingInfo == null) {
+        if (null == requestMappingInfo) {
             return null;
         }
 
diff --git a/continew-admin-common/src/main/java/top/charles7c/cnadmin/common/model/vo/PageDataVO.java b/continew-admin-common/src/main/java/top/charles7c/cnadmin/common/model/vo/PageDataVO.java
index f5b34161..7716e112 100644
--- a/continew-admin-common/src/main/java/top/charles7c/cnadmin/common/model/vo/PageDataVO.java
+++ b/continew-admin-common/src/main/java/top/charles7c/cnadmin/common/model/vo/PageDataVO.java
@@ -69,7 +69,7 @@ public class PageDataVO<V> implements Serializable {
      * @return 分页信息
      */
     public static <T, V> PageDataVO<V> build(IPage<T> page, Class<V> targetClass) {
-        if (page == null) {
+        if (null == page) {
             return null;
         }
         PageDataVO<V> pageDataVO = new PageDataVO<>();
@@ -88,7 +88,7 @@ public class PageDataVO<V> implements Serializable {
      * @return 分页信息
      */
     public static <V> PageDataVO<V> build(IPage<V> page) {
-        if (page == null) {
+        if (null == page) {
             return null;
         }
         PageDataVO<V> pageDataVO = new PageDataVO<>();
diff --git a/continew-admin-common/src/main/java/top/charles7c/cnadmin/common/util/ExceptionUtils.java b/continew-admin-common/src/main/java/top/charles7c/cnadmin/common/util/ExceptionUtils.java
index b272b7d6..84484560 100644
--- a/continew-admin-common/src/main/java/top/charles7c/cnadmin/common/util/ExceptionUtils.java
+++ b/continew-admin-common/src/main/java/top/charles7c/cnadmin/common/util/ExceptionUtils.java
@@ -46,7 +46,7 @@ public class ExceptionUtils {
      *            异常
      */
     public static void printException(Runnable runnable, Throwable throwable) {
-        if (throwable == null && runnable instanceof Future<?>) {
+        if (null == throwable && runnable instanceof Future<?>) {
             try {
                 Future<?> future = (Future<?>)runnable;
                 if (future.isDone()) {
@@ -60,7 +60,7 @@ public class ExceptionUtils {
                 Thread.currentThread().interrupt();
             }
         }
-        if (throwable != null) {
+        if (null != throwable) {
             log.error(throwable.getMessage(), throwable);
         }
     }
@@ -135,9 +135,9 @@ public class ExceptionUtils {
     public static <T> T exToDefault(ExSupplier<T> exSupplier, T defaultValue, Consumer<Exception> exConsumer) {
         try {
             return exSupplier.get();
-        } catch (Exception ex) {
-            if (exConsumer != null) {
-                exConsumer.accept(ex);
+        } catch (Exception e) {
+            if (null != exConsumer) {
+                exConsumer.accept(e);
             }
             return defaultValue;
         }
diff --git a/continew-admin-common/src/main/java/top/charles7c/cnadmin/common/util/IpUtils.java b/continew-admin-common/src/main/java/top/charles7c/cnadmin/common/util/IpUtils.java
index 8c43cac0..188c393a 100644
--- a/continew-admin-common/src/main/java/top/charles7c/cnadmin/common/util/IpUtils.java
+++ b/continew-admin-common/src/main/java/top/charles7c/cnadmin/common/util/IpUtils.java
@@ -91,7 +91,7 @@ public class IpUtils {
         }
         Ip2regionSearcher ip2regionSearcher = SpringUtil.getBean(Ip2regionSearcher.class);
         IpInfo ipInfo = ip2regionSearcher.memorySearch(ip);
-        if (ipInfo != null) {
+        if (null != ipInfo) {
             return ipInfo.getAddress();
         }
         return null;
diff --git a/continew-admin-common/src/main/java/top/charles7c/cnadmin/common/util/ServletUtils.java b/continew-admin-common/src/main/java/top/charles7c/cnadmin/common/util/ServletUtils.java
index 6f1b8811..c184580c 100644
--- a/continew-admin-common/src/main/java/top/charles7c/cnadmin/common/util/ServletUtils.java
+++ b/continew-admin-common/src/main/java/top/charles7c/cnadmin/common/util/ServletUtils.java
@@ -65,7 +65,7 @@ public class ServletUtils {
      * @return 浏览器及其版本信息
      */
     public static String getBrowser(HttpServletRequest request) {
-        if (request == null) {
+        if (null == request) {
             return null;
         }
         UserAgent userAgent = UserAgentUtil.parse(request.getHeader("User-Agent"));
diff --git a/continew-admin-common/src/main/java/top/charles7c/cnadmin/common/util/helper/LoginHelper.java b/continew-admin-common/src/main/java/top/charles7c/cnadmin/common/util/helper/LoginHelper.java
index fd48d0f7..75dc13d5 100644
--- a/continew-admin-common/src/main/java/top/charles7c/cnadmin/common/util/helper/LoginHelper.java
+++ b/continew-admin-common/src/main/java/top/charles7c/cnadmin/common/util/helper/LoginHelper.java
@@ -54,7 +54,7 @@ public class LoginHelper {
      *            登录用户信息
      */
     public static void login(LoginUser loginUser) {
-        if (loginUser == null) {
+        if (null == loginUser) {
             return;
         }
 
@@ -64,7 +64,7 @@ public class LoginHelper {
         loginUser.setLocation(IpUtils.getCityInfo(loginUser.getClientIp()));
         loginUser.setBrowser(ServletUtils.getBrowser(request));
         LogContext logContext = LogContextHolder.get();
-        loginUser.setLoginTime(logContext != null ? logContext.getCreateTime() : LocalDateTime.now());
+        loginUser.setLoginTime(null != logContext ? logContext.getCreateTime() : LocalDateTime.now());
 
         // 登录保存用户信息
         StpUtil.login(loginUser.getId());
@@ -79,7 +79,7 @@ public class LoginHelper {
      */
     public static LoginUser getLoginUser() {
         LoginUser loginUser = (LoginUser)SaHolder.getStorage().get(CacheConsts.LOGIN_USER_KEY);
-        if (loginUser != null) {
+        if (null != loginUser) {
             return loginUser;
         }
         loginUser = (LoginUser)StpUtil.getTokenSession().get(CacheConsts.LOGIN_USER_KEY);
diff --git a/continew-admin-common/src/main/java/top/charles7c/cnadmin/common/util/helper/QueryHelper.java b/continew-admin-common/src/main/java/top/charles7c/cnadmin/common/util/helper/QueryHelper.java
index 04720d86..82441487 100644
--- a/continew-admin-common/src/main/java/top/charles7c/cnadmin/common/util/helper/QueryHelper.java
+++ b/continew-admin-common/src/main/java/top/charles7c/cnadmin/common/util/helper/QueryHelper.java
@@ -60,7 +60,7 @@ public class QueryHelper {
     public static <Q, R> QueryWrapper<R> build(Q query) {
         QueryWrapper<R> queryWrapper = new QueryWrapper<>();
         // 没有查询条件，直接返回
-        if (query == null) {
+        if (null == query) {
             return queryWrapper;
         }
 
@@ -90,7 +90,7 @@ public class QueryHelper {
             field.setAccessible(true);
             // 没有 @Query，直接返回
             Query queryAnnotation = field.getAnnotation(Query.class);
-            if (queryAnnotation == null) {
+            if (null == queryAnnotation) {
                 return;
             }
 
diff --git a/continew-admin-common/src/main/java/top/charles7c/cnadmin/common/util/validate/Validator.java b/continew-admin-common/src/main/java/top/charles7c/cnadmin/common/util/validate/Validator.java
index 9d0e1d0e..e2a3f955 100644
--- a/continew-admin-common/src/main/java/top/charles7c/cnadmin/common/util/validate/Validator.java
+++ b/continew-admin-common/src/main/java/top/charles7c/cnadmin/common/util/validate/Validator.java
@@ -47,7 +47,7 @@ public class Validator {
      *            异常类型
      */
     protected static void throwIfNull(Object obj, String message, Class<? extends RuntimeException> exceptionType) {
-        throwIf(obj == null, message, exceptionType);
+        throwIf(null == obj, message, exceptionType);
     }
 
     /**
@@ -61,7 +61,7 @@ public class Validator {
      *            异常类型
      */
     protected static void throwIfNotNull(Object obj, String message, Class<? extends RuntimeException> exceptionType) {
-        throwIf(obj != null, message, exceptionType);
+        throwIf(null != obj, message, exceptionType);
     }
 
     /**
@@ -219,7 +219,7 @@ public class Validator {
      */
     protected static void throwIf(BooleanSupplier conditionSupplier, String message,
         Class<? extends RuntimeException> exceptionType) {
-        if (conditionSupplier != null && conditionSupplier.getAsBoolean()) {
+        if (null != conditionSupplier && conditionSupplier.getAsBoolean()) {
             log.error(message);
             throw ReflectUtil.newInstance(exceptionType, message);
         }
diff --git a/continew-admin-monitor/src/main/java/top/charles7c/cnadmin/monitor/interceptor/LogInterceptor.java b/continew-admin-monitor/src/main/java/top/charles7c/cnadmin/monitor/interceptor/LogInterceptor.java
index 828a0fb5..c2e23d2f 100644
--- a/continew-admin-monitor/src/main/java/top/charles7c/cnadmin/monitor/interceptor/LogInterceptor.java
+++ b/continew-admin-monitor/src/main/java/top/charles7c/cnadmin/monitor/interceptor/LogInterceptor.java
@@ -91,7 +91,7 @@ public class LogInterceptor implements HandlerInterceptor {
         @NonNull Object handler, Exception e) {
         // 记录请求耗时及异常信息
         LogDO logDO = this.logElapsedTimeAndException();
-        if (logDO == null) {
+        if (null == logDO) {
             return;
         }
 
@@ -127,7 +127,7 @@ public class LogInterceptor implements HandlerInterceptor {
     private LogDO logElapsedTimeAndException() {
         LogContext logContext = LogContextHolder.get();
         try {
-            if (logContext != null) {
+            if (null != logContext) {
                 LogDO logDO = new LogDO();
                 logDO.setCreateTime(logContext.getCreateTime());
                 logDO
@@ -142,7 +142,7 @@ public class LogInterceptor implements HandlerInterceptor {
                 }
                 // 记录异常详情
                 Exception exception = logContext.getException();
-                if (exception != null) {
+                if (null != exception) {
                     logDO.setStatus(LogStatusEnum.FAILURE);
                     logDO.setExceptionDetail(ExceptionUtil.stacktraceToString(exception, -1));
                 }
@@ -169,16 +169,16 @@ public class LogInterceptor implements HandlerInterceptor {
 
         // 例如：@Tag(name = "部门管理") -> 部门管理
         // （本框架代码规范）例如：@Tag(name = "部门管理 API") -> 部门管理
-        if (classTag != null) {
+        if (null != classTag) {
             String name = classTag.name();
             logDO
                 .setModule(StrUtil.isNotBlank(name) ? name.replace("API", StringConsts.EMPTY).trim() : "请在该接口类上指定所属模块");
         }
         // 例如：@Log(module = "部门管理") -> 部门管理
-        if (classLog != null && StrUtil.isNotBlank(classLog.module())) {
+        if (null != classLog && StrUtil.isNotBlank(classLog.module())) {
             logDO.setModule(classLog.module());
         }
-        if (methodLog != null && StrUtil.isNotBlank(methodLog.module())) {
+        if (null != methodLog && StrUtil.isNotBlank(methodLog.module())) {
             logDO.setModule(methodLog.module());
         }
     }
@@ -196,11 +196,11 @@ public class LogInterceptor implements HandlerInterceptor {
         Log methodLog = handlerMethod.getMethodAnnotation(Log.class);
 
         // 例如：@Operation(summary="新增部门") -> 新增部门
-        if (methodOperation != null) {
+        if (null != methodOperation) {
             logDO.setDescription(StrUtil.blankToDefault(methodOperation.summary(), "请在该接口方法上指定日志描述"));
         }
         // 例如：@Log("新增部门") -> 新增部门
-        if (methodLog != null && StrUtil.isNotBlank(methodLog.value())) {
+        if (null != methodLog && StrUtil.isNotBlank(methodLog.value())) {
             logDO.setDescription(methodLog.value());
         }
     }
@@ -227,7 +227,7 @@ public class LogInterceptor implements HandlerInterceptor {
         logDO.setLocation(IpUtils.getCityInfo(logDO.getClientIp()));
         logDO.setBrowser(ServletUtils.getBrowser(request));
         logDO.setCreateUser(ObjectUtil.defaultIfNull(logDO.getCreateUser(), LoginHelper.getUserId()));
-        if (logDO.getCreateUser() == null && SysConsts.LOGIN_URI.equals(request.getRequestURI())) {
+        if (null == logDO.getCreateUser() && SysConsts.LOGIN_URI.equals(request.getRequestURI())) {
             LoginRequest loginRequest = JSONUtil.toBean(requestBody, LoginRequest.class);
             logDO.setCreateUser(
                 ExceptionUtils.exToNull(() -> userService.getByUsername(loginRequest.getUsername()).getId()));
@@ -291,7 +291,7 @@ public class LogInterceptor implements HandlerInterceptor {
     private String getRequestBody(HttpServletRequest request) {
         String requestBody = "";
         ContentCachingRequestWrapper wrapper = WebUtils.getNativeRequest(request, ContentCachingRequestWrapper.class);
-        if (wrapper != null) {
+        if (null != wrapper) {
             requestBody = StrUtil.utf8Str(wrapper.getContentAsByteArray());
         }
         return requestBody;
@@ -308,7 +308,7 @@ public class LogInterceptor implements HandlerInterceptor {
         String responseBody = "";
         ContentCachingResponseWrapper wrapper =
             WebUtils.getNativeResponse(response, ContentCachingResponseWrapper.class);
-        if (wrapper != null) {
+        if (null != wrapper) {
             responseBody = StrUtil.utf8Str(wrapper.getContentAsByteArray());
         }
         return responseBody;
@@ -340,22 +340,22 @@ public class LogInterceptor implements HandlerInterceptor {
         Log methodLog = handlerMethod.getMethodAnnotation(Log.class);
         // 3.1 如果接口方法上既没有 @Log 注解，也没有 @Operation 注解，则不记录系统日志
         Operation methodOperation = handlerMethod.getMethodAnnotation(Operation.class);
-        if (methodLog == null && methodOperation == null) {
+        if (null == methodLog && null == methodOperation) {
             return false;
         }
         // 3.2 请求方式不要求记录且接口方法上没有 @Log 注解，则不记录系统日志
-        if (methodLog == null && operationLogProperties.getExcludeMethods().contains(request.getMethod())) {
+        if (null == methodLog && operationLogProperties.getExcludeMethods().contains(request.getMethod())) {
             return false;
         }
         // 3.3 如果接口被隐藏，不记录系统日志
-        if (methodOperation != null && methodOperation.hidden()) {
+        if (null != methodOperation && methodOperation.hidden()) {
             return false;
         }
         // 3.4 如果接口方法或类上有 @Log 注解，但是要求忽略该接口，则不记录系统日志
-        if (methodLog != null && methodLog.ignore()) {
+        if (null != methodLog && methodLog.ignore()) {
             return false;
         }
         Log classLog = handlerMethod.getBeanType().getDeclaredAnnotation(Log.class);
-        return classLog == null || !classLog.ignore();
+        return null == classLog || !classLog.ignore();
     }
 }
diff --git a/continew-admin-monitor/src/main/java/top/charles7c/cnadmin/monitor/service/impl/LogServiceImpl.java b/continew-admin-monitor/src/main/java/top/charles7c/cnadmin/monitor/service/impl/LogServiceImpl.java
index 468d822a..2fec39de 100644
--- a/continew-admin-monitor/src/main/java/top/charles7c/cnadmin/monitor/service/impl/LogServiceImpl.java
+++ b/continew-admin-monitor/src/main/java/top/charles7c/cnadmin/monitor/service/impl/LogServiceImpl.java
@@ -83,7 +83,7 @@ public class LogServiceImpl implements LogService {
         PageDataVO<OperationLogVO> pageDataVO = PageDataVO.build(page, OperationLogVO.class);
 
         // 填充数据（如果是查询个人操作日志，只查询一次用户信息即可）
-        if (query.getUid() != null) {
+        if (null != query.getUid()) {
             String nickname = ExceptionUtils.exToNull(() -> commonUserService.getNicknameById(query.getUid()));
             pageDataVO.getList().forEach(o -> o.setCreateUserString(nickname));
         } else {
@@ -150,7 +150,7 @@ public class LogServiceImpl implements LogService {
      */
     private void fill(LogVO logVO) {
         Long createUser = logVO.getCreateUser();
-        if (createUser == null) {
+        if (null == createUser) {
             return;
         }
         logVO.setCreateUserString(ExceptionUtils.exToNull(() -> commonUserService.getNicknameById(createUser)));
diff --git a/continew-admin-system/src/main/java/top/charles7c/cnadmin/auth/config/satoken/SaTokenRedisDaoImpl.java b/continew-admin-system/src/main/java/top/charles7c/cnadmin/auth/config/satoken/SaTokenRedisDaoImpl.java
index fff94441..4b103157 100644
--- a/continew-admin-system/src/main/java/top/charles7c/cnadmin/auth/config/satoken/SaTokenRedisDaoImpl.java
+++ b/continew-admin-system/src/main/java/top/charles7c/cnadmin/auth/config/satoken/SaTokenRedisDaoImpl.java
@@ -97,7 +97,7 @@ public class SaTokenRedisDaoImpl implements SaTokenDao {
 
     @Override
     public void setObject(String key, Object object, long timeout) {
-        if (timeout == 0 || timeout <= SaTokenDao.NOT_VALUE_EXPIRE) {
+        if (0 == timeout || timeout <= SaTokenDao.NOT_VALUE_EXPIRE) {
             return;
         }
         // 判断是否为永不过期
diff --git a/continew-admin-system/src/main/java/top/charles7c/cnadmin/system/model/vo/UserVO.java b/continew-admin-system/src/main/java/top/charles7c/cnadmin/system/model/vo/UserVO.java
index 59cfa654..947f303e 100644
--- a/continew-admin-system/src/main/java/top/charles7c/cnadmin/system/model/vo/UserVO.java
+++ b/continew-admin-system/src/main/java/top/charles7c/cnadmin/system/model/vo/UserVO.java
@@ -103,7 +103,7 @@ public class UserVO extends BaseVO {
     }
 
     public String getPhone() {
-        if (phone == null) {
+        if (null == phone) {
             return null;
         }
         return DesensitizedUtil.mobilePhone(phone);
diff --git a/continew-admin-system/src/main/java/top/charles7c/cnadmin/system/service/impl/DeptServiceImpl.java b/continew-admin-system/src/main/java/top/charles7c/cnadmin/system/service/impl/DeptServiceImpl.java
index f2635abe..e29cc90b 100644
--- a/continew-admin-system/src/main/java/top/charles7c/cnadmin/system/service/impl/DeptServiceImpl.java
+++ b/continew-admin-system/src/main/java/top/charles7c/cnadmin/system/service/impl/DeptServiceImpl.java
@@ -153,7 +153,7 @@ public class DeptServiceImpl extends BaseServiceImpl<DeptMapper, DeptDO, DeptVO,
      */
     private boolean checkNameExists(String name, Long parentId, Long id) {
         return baseMapper.lambdaQuery().eq(DeptDO::getName, name).eq(DeptDO::getParentId, parentId)
-            .ne(id != null, DeptDO::getId, id).exists();
+            .ne(null != id, DeptDO::getId, id).exists();
     }
 
     /**
diff --git a/continew-admin-system/src/main/java/top/charles7c/cnadmin/system/service/impl/MenuServiceImpl.java b/continew-admin-system/src/main/java/top/charles7c/cnadmin/system/service/impl/MenuServiceImpl.java
index 49e8eacf..a601c698 100644
--- a/continew-admin-system/src/main/java/top/charles7c/cnadmin/system/service/impl/MenuServiceImpl.java
+++ b/continew-admin-system/src/main/java/top/charles7c/cnadmin/system/service/impl/MenuServiceImpl.java
@@ -100,6 +100,6 @@ public class MenuServiceImpl extends BaseServiceImpl<MenuMapper, MenuDO, MenuVO,
      */
     private boolean checkNameExists(String name, Long parentId, Long id) {
         return baseMapper.lambdaQuery().eq(MenuDO::getTitle, name).eq(MenuDO::getParentId, parentId)
-            .ne(id != null, MenuDO::getId, id).exists();
+            .ne(null != id, MenuDO::getId, id).exists();
     }
 }
diff --git a/continew-admin-system/src/main/java/top/charles7c/cnadmin/system/service/impl/RoleServiceImpl.java b/continew-admin-system/src/main/java/top/charles7c/cnadmin/system/service/impl/RoleServiceImpl.java
index f69ddce3..48c28f02 100644
--- a/continew-admin-system/src/main/java/top/charles7c/cnadmin/system/service/impl/RoleServiceImpl.java
+++ b/continew-admin-system/src/main/java/top/charles7c/cnadmin/system/service/impl/RoleServiceImpl.java
@@ -189,7 +189,7 @@ public class RoleServiceImpl extends BaseServiceImpl<RoleMapper, RoleDO, RoleVO,
      * @return 是否存在
      */
     private boolean checkNameExists(String name, Long id) {
-        return baseMapper.lambdaQuery().eq(RoleDO::getName, name).ne(id != null, RoleDO::getId, id).exists();
+        return baseMapper.lambdaQuery().eq(RoleDO::getName, name).ne(null != id, RoleDO::getId, id).exists();
     }
 
     /**
@@ -202,6 +202,6 @@ public class RoleServiceImpl extends BaseServiceImpl<RoleMapper, RoleDO, RoleVO,
      * @return 是否存在
      */
     private boolean checkCodeExists(String code, Long id) {
-        return baseMapper.lambdaQuery().eq(RoleDO::getCode, code).ne(id != null, RoleDO::getId, id).exists();
+        return baseMapper.lambdaQuery().eq(RoleDO::getCode, code).ne(null != id, RoleDO::getId, id).exists();
     }
 }
diff --git a/continew-admin-system/src/main/java/top/charles7c/cnadmin/system/service/impl/UserServiceImpl.java b/continew-admin-system/src/main/java/top/charles7c/cnadmin/system/service/impl/UserServiceImpl.java
index 78685163..7fdac624 100644
--- a/continew-admin-system/src/main/java/top/charles7c/cnadmin/system/service/impl/UserServiceImpl.java
+++ b/continew-admin-system/src/main/java/top/charles7c/cnadmin/system/service/impl/UserServiceImpl.java
@@ -175,7 +175,7 @@ public class UserServiceImpl extends BaseServiceImpl<UserMapper, UserDO, UserVO,
         String avatarPath = localStorageProperties.getPath().getAvatar();
         File newAvatarFile = FileUtils.upload(avatarFile, avatarPath, false);
         CheckUtils.throwIfNull(newAvatarFile, "上传头像失败");
-        assert newAvatarFile != null;
+        assert null != newAvatarFile;
 
         // 更新用户头像
         String newAvatar = newAvatarFile.getName();
@@ -266,7 +266,7 @@ public class UserServiceImpl extends BaseServiceImpl<UserMapper, UserDO, UserVO,
      * @return 是否存在
      */
     private boolean checkNameExists(String name, Long id) {
-        return baseMapper.lambdaQuery().eq(UserDO::getUsername, name).ne(id != null, UserDO::getId, id).exists();
+        return baseMapper.lambdaQuery().eq(UserDO::getUsername, name).ne(null != id, UserDO::getId, id).exists();
     }
 
     /**
@@ -279,7 +279,7 @@ public class UserServiceImpl extends BaseServiceImpl<UserMapper, UserDO, UserVO,
      * @return 是否存在
      */
     private boolean checkEmailExists(String email, Long id) {
-        return baseMapper.lambdaQuery().eq(UserDO::getEmail, email).ne(id != null, UserDO::getId, id).exists();
+        return baseMapper.lambdaQuery().eq(UserDO::getEmail, email).ne(null != id, UserDO::getId, id).exists();
     }
 
     /**
@@ -292,6 +292,6 @@ public class UserServiceImpl extends BaseServiceImpl<UserMapper, UserDO, UserVO,
      * @return 是否存在
      */
     private boolean checkPhoneExists(String phone, Long id) {
-        return baseMapper.lambdaQuery().eq(UserDO::getPhone, phone).ne(id != null, UserDO::getId, id).exists();
+        return baseMapper.lambdaQuery().eq(UserDO::getPhone, phone).ne(null != id, UserDO::getId, id).exists();
     }
 }