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 8eca32d4..2dc6c93a 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
@@ -217,8 +217,7 @@ public abstract class BaseServiceImpl<M extends BaseMapper<T>, T extends BaseDO,
      *            待填充列表信息
      */
     protected void fill(Object baseObj) {
-        if (baseObj instanceof BaseVO) {
-            BaseVO baseVO = (BaseVO)baseObj;
+        if (baseObj instanceof BaseVO baseVO) {
             Long createUser = baseVO.getCreateUser();
             if (createUser == null) {
                 return;
@@ -235,8 +234,7 @@ public abstract class BaseServiceImpl<M extends BaseMapper<T>, T extends BaseDO,
      *            待填充详情信息
      */
     protected void fillDetail(Object detailObj) {
-        if (detailObj instanceof BaseDetailVO) {
-            BaseDetailVO detailVO = (BaseDetailVO)detailObj;
+        if (detailObj instanceof BaseDetailVO detailVO) {
             this.fill(detailVO);
 
             Long updateUser = detailVO.getUpdateUser();
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..dda88a7e 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
@@ -60,9 +60,8 @@ public class MyBatisPlusMetaObjectHandler implements MetaObjectHandler {
 
             Long createUser = LoginHelper.getUserId();
             LocalDateTime createTime = LocalDateTime.now();
-            if (metaObject.getOriginalObject() instanceof BaseDO) {
+            if (metaObject.getOriginalObject()instanceof BaseDO baseDO) {
                 // 继承了 BaseDO 的类，填充创建信息
-                BaseDO baseDO = (BaseDO)metaObject.getOriginalObject();
                 baseDO.setCreateUser(ObjectUtil.defaultIfNull(baseDO.getCreateUser(), createUser));
                 baseDO.setCreateTime(ObjectUtil.defaultIfNull(baseDO.getCreateTime(), createTime));
                 baseDO.setUpdateUser(ObjectUtil.defaultIfNull(baseDO.getUpdateUser(), createUser));
@@ -94,9 +93,8 @@ public class MyBatisPlusMetaObjectHandler implements MetaObjectHandler {
 
             Long updateUser = LoginHelper.getUserId();
             LocalDateTime updateTime = LocalDateTime.now();
-            if (metaObject.getOriginalObject() instanceof BaseDO) {
+            if (metaObject.getOriginalObject()instanceof BaseDO baseDO) {
                 // 继承了 BaseDO 的类，填充修改信息
-                BaseDO baseDO = (BaseDO)metaObject.getOriginalObject();
                 baseDO.setUpdateUser(updateUser);
                 baseDO.setUpdateTime(updateTime);
             } else {
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 310c30ee..4c0ed35d 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
@@ -44,9 +44,8 @@ public class ExceptionUtils {
      *            异常
      */
     public static void printException(Runnable runnable, Throwable throwable) {
-        if (throwable == null && runnable instanceof Future<?>) {
+        if (throwable == null && runnable instanceof Future<?> future) {
             try {
-                Future<?> future = (Future<?>)runnable;
                 if (future.isDone()) {
                     future.get();
                 }
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 faad2c26..198d5276 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
@@ -131,8 +131,7 @@ public class DeptServiceImpl extends BaseServiceImpl<DeptMapper, DeptDO, DeptVO,
     @Override
     public void fillDetail(Object detailObj) {
         super.fillDetail(detailObj);
-        if (detailObj instanceof DeptDetailVO) {
-            DeptDetailVO detailVO = (DeptDetailVO)detailObj;
+        if (detailObj instanceof DeptDetailVO detailVO) {
             if (Objects.equals(SysConsts.SUPER_PARENT_ID, detailVO.getParentId())) {
                 return;
             }
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 2ee157d3..512fe61c 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
@@ -137,8 +137,7 @@ public class RoleServiceImpl extends BaseServiceImpl<RoleMapper, RoleDO, RoleVO,
     @Override
     public void fillDetail(Object detailObj) {
         super.fillDetail(detailObj);
-        if (detailObj instanceof RoleDetailVO) {
-            RoleDetailVO detailVO = (RoleDetailVO)detailObj;
+        if (detailObj instanceof RoleDetailVO detailVO) {
             Long roleId = detailVO.getId();
             if (SysConsts.ADMIN_ROLE_CODE.equals(detailVO.getCode())) {
                 List<MenuVO> list = menuService.list(null, null);
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 dcb9504e..ca6c54a3 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
@@ -147,8 +147,7 @@ public class UserServiceImpl extends BaseServiceImpl<UserMapper, UserDO, UserVO,
     @Override
     public void fillDetail(Object detailObj) {
         super.fillDetail(detailObj);
-        if (detailObj instanceof UserDetailVO) {
-            UserDetailVO detailVO = (UserDetailVO)detailObj;
+        if (detailObj instanceof UserDetailVO detailVO) {
             detailVO.setDeptName(ExceptionUtils.exToNull(() -> deptService.get(detailVO.getDeptId()).getName()));
             List<Long> roleIdList = userRoleService.listRoleIdByUserId(detailVO.getId());
             detailVO.setRoleIds(roleIdList);