diff --git a/iot-common/iot-common-dao/iot-data-service/src/main/java/cc/iotkit/data/ICommonData.java b/iot-common/iot-common-dao/iot-data-service/src/main/java/cc/iotkit/data/ICommonData.java
index cd482fc6..9bcc14a3 100644
--- a/iot-common/iot-common-dao/iot-data-service/src/main/java/cc/iotkit/data/ICommonData.java
+++ b/iot-common/iot-common-dao/iot-data-service/src/main/java/cc/iotkit/data/ICommonData.java
@@ -57,15 +57,13 @@ public interface ICommonData<T extends Id<ID>, ID> {
     /**
      * 按id删除
      */
-    default long deleteById(ID id) {
-        return 0L;
+    default void deleteById(ID id) {
     }
 
     /**
      * 按id批量删除
      */
-    default int deleteByIds(Collection<ID> ids) {
-        return 0;
+    default void deleteByIds(Collection<ID> ids) {
     }
 
     /**
diff --git a/iot-module/iot-system/src/main/java/cc/iotkit/system/service/ISysRoleService.java b/iot-module/iot-system/src/main/java/cc/iotkit/system/service/ISysRoleService.java
index 93e98162..9987ae48 100644
--- a/iot-module/iot-system/src/main/java/cc/iotkit/system/service/ISysRoleService.java
+++ b/iot-module/iot-system/src/main/java/cc/iotkit/system/service/ISysRoleService.java
@@ -143,7 +143,7 @@ public interface ISysRoleService {
      * @param roleId 角色ID
      * @return 结果
      */
-    int deleteRoleById(Long roleId);
+    void deleteRoleById(Long roleId);
 
     /**
      * 批量删除角色信息
@@ -151,7 +151,7 @@ public interface ISysRoleService {
      * @param roleIds 需要删除的角色ID
      * @return 结果
      */
-    int deleteRoleByIds(Long[] roleIds);
+    void deleteRoleByIds(Long[] roleIds);
 
     /**
      * 取消授权用户角色
@@ -159,7 +159,7 @@ public interface ISysRoleService {
      * @param userRole 用户和角色关联信息
      * @return 结果
      */
-    int deleteAuthUser(SysUserRole userRole);
+    void deleteAuthUser(SysUserRole userRole);
 
     /**
      * 批量取消授权用户角色
@@ -168,7 +168,7 @@ public interface ISysRoleService {
      * @param userIds 需要取消授权的用户数据ID
      * @return 结果
      */
-    int deleteAuthUsers(Long roleId, Long[] userIds);
+    void deleteAuthUsers(Long roleId, Long[] userIds);
 
     /**
      * 批量选择授权用户角色
@@ -177,7 +177,7 @@ public interface ISysRoleService {
      * @param userIds 需要删除的用户数据ID
      * @return 结果
      */
-    int insertAuthUsers(Long roleId, Long[] userIds);
+    void insertAuthUsers(Long roleId, Long[] userIds);
 
     void cleanOnlineUserByRole(Long roleId);
 }
diff --git a/iot-module/iot-system/src/main/java/cc/iotkit/system/service/impl/SysMenuServiceImpl.java b/iot-module/iot-system/src/main/java/cc/iotkit/system/service/impl/SysMenuServiceImpl.java
index 6677b9f7..1e0b2855 100644
--- a/iot-module/iot-system/src/main/java/cc/iotkit/system/service/impl/SysMenuServiceImpl.java
+++ b/iot-module/iot-system/src/main/java/cc/iotkit/system/service/impl/SysMenuServiceImpl.java
@@ -322,7 +322,6 @@ public class SysMenuServiceImpl implements ISysMenuService {
      * 新增保存菜单信息
      *
      * @param bo 菜单信息
-     * @return 结果
      */
     @Override
     public void insertMenu(SysMenuBo bo) {
@@ -333,7 +332,6 @@ public class SysMenuServiceImpl implements ISysMenuService {
      * 修改保存菜单信息
      *
      * @param bo 菜单信息
-     * @return 结果
      */
     @Override
     public void updateMenu(SysMenuBo bo) {
@@ -344,7 +342,6 @@ public class SysMenuServiceImpl implements ISysMenuService {
      * 删除菜单管理信息
      *
      * @param menuId 菜单ID
-     * @return 结果
      */
     @Override
     public void deleteMenuById(Long menuId) {
@@ -354,7 +351,7 @@ public class SysMenuServiceImpl implements ISysMenuService {
     /**
      * 校验菜单名称是否唯一
      *
-     * @param menu 菜单信息
+     * @param bo 菜单信息
      * @return 结果
      */
     @Override
diff --git a/iot-module/iot-system/src/main/java/cc/iotkit/system/service/impl/SysRoleServiceImpl.java b/iot-module/iot-system/src/main/java/cc/iotkit/system/service/impl/SysRoleServiceImpl.java
index 1bc0cab3..4caca080 100644
--- a/iot-module/iot-system/src/main/java/cc/iotkit/system/service/impl/SysRoleServiceImpl.java
+++ b/iot-module/iot-system/src/main/java/cc/iotkit/system/service/impl/SysRoleServiceImpl.java
@@ -35,12 +35,11 @@ import java.util.*;
  *
  * @author Lion Li
  */
-@RequiredArgsConstructor
 @Service
+@RequiredArgsConstructor
 public class SysRoleServiceImpl implements ISysRoleService {
 
     private final ISysRoleData iSysRoleData;
-
     private final ISysRoleMenuData iSysRoleMenuData;
     private final ISysUserRoleData iSysUserRoleData;
     private final ISysRoleDeptData iSysRoleDeptData;
@@ -238,7 +237,6 @@ public class SysRoleServiceImpl implements ISysRoleService {
      *
      * @param roleId 角色ID
      * @param status 角色状态
-     * @return 结果
      */
     @Override
     public void updateRoleStatus(Long roleId, String status) {
@@ -296,7 +294,7 @@ public class SysRoleServiceImpl implements ISysRoleService {
     private int insertRoleDept(SysRoleBo role) {
         long rows = 1;
         // 新增角色与部门（数据权限）管理
-        List<SysRoleDept> list = new ArrayList<SysRoleDept>();
+        List<SysRoleDept> list = new ArrayList<>();
         for (Long deptId : role.getDeptIds()) {
             SysRoleDept rd = new SysRoleDept();
             rd.setRoleId(role.getRoleId());
@@ -313,17 +311,15 @@ public class SysRoleServiceImpl implements ISysRoleService {
      * 通过角色ID删除角色
      *
      * @param roleId 角色ID
-     * @return 结果
      */
     @Override
     @Transactional(rollbackFor = Exception.class)
-    public int deleteRoleById(Long roleId) {
+    public void deleteRoleById(Long roleId) {
         // 删除角色与菜单关联
         iSysRoleMenuData.deleteByRoleId(List.of(roleId));
         // 删除角色与部门关联
         iSysRoleDeptData.deleteByRoleId(List.of(roleId));
-        long num = iSysRoleData.deleteById(roleId);
-        return Integer.parseInt(num + "");
+        iSysRoleData.deleteById(roleId);
     }
 
     /**
@@ -334,7 +330,7 @@ public class SysRoleServiceImpl implements ISysRoleService {
      */
     @Override
     @Transactional(rollbackFor = Exception.class)
-    public int deleteRoleByIds(Long[] roleIds) {
+    public void deleteRoleByIds(Long[] roleIds) {
         for (Long roleId : roleIds) {
             checkRoleAllowed(roleId);
             checkRoleDataScope(roleId);
@@ -348,7 +344,7 @@ public class SysRoleServiceImpl implements ISysRoleService {
         iSysRoleMenuData.deleteByRoleId(ids);
         // 删除角色与部门关联
         iSysRoleDeptData.deleteByRoleId(ids);
-        return iSysRoleData.deleteByIds(ids);
+        iSysRoleData.deleteByIds(ids);
     }
 
     /**
@@ -358,12 +354,11 @@ public class SysRoleServiceImpl implements ISysRoleService {
      * @return 结果
      */
     @Override
-    public int deleteAuthUser(SysUserRole userRole) {
+    public void deleteAuthUser(SysUserRole userRole) {
         long rows = iSysUserRoleData.delete(userRole.getRoleId(), List.of(userRole.getUserId()));
         if (rows > 0) {
             cleanOnlineUserByRole(userRole.getRoleId());
         }
-        return Integer.parseInt(rows + "");
     }
 
     /**
@@ -374,12 +369,11 @@ public class SysRoleServiceImpl implements ISysRoleService {
      * @return 结果
      */
     @Override
-    public int deleteAuthUsers(Long roleId, Long[] userIds) {
+    public void deleteAuthUsers(Long roleId, Long[] userIds) {
         long rows = iSysUserRoleData.delete(roleId, Arrays.asList(userIds));
         if (rows > 0) {
             cleanOnlineUserByRole(roleId);
         }
-        return Integer.parseInt(rows + "");
     }
 
     /**
@@ -390,7 +384,7 @@ public class SysRoleServiceImpl implements ISysRoleService {
      * @return 结果
      */
     @Override
-    public int insertAuthUsers(Long roleId, Long[] userIds) {
+    public void insertAuthUsers(Long roleId, Long[] userIds) {
         // 新增用户与角色管理
         long rows = 1;
         List<SysUserRole> list = StreamUtils.toList(List.of(userIds), userId -> {
@@ -405,7 +399,6 @@ public class SysRoleServiceImpl implements ISysRoleService {
         if (rows > 0) {
             cleanOnlineUserByRole(roleId);
         }
-        return Integer.parseInt(rows + "");
     }
 
     @Override