diff --git a/yudao-framework/yudao-spring-boot-starter-mybatis/src/main/java/cn/iocoder/yudao/framework/mybatis/core/mapper/BaseMapperX.java b/yudao-framework/yudao-spring-boot-starter-mybatis/src/main/java/cn/iocoder/yudao/framework/mybatis/core/mapper/BaseMapperX.java
index ec3194cec..fff6f7028 100644
--- a/yudao-framework/yudao-spring-boot-starter-mybatis/src/main/java/cn/iocoder/yudao/framework/mybatis/core/mapper/BaseMapperX.java
+++ b/yudao-framework/yudao-spring-boot-starter-mybatis/src/main/java/cn/iocoder/yudao/framework/mybatis/core/mapper/BaseMapperX.java
@@ -43,12 +43,12 @@ public interface BaseMapperX<T> extends BaseMapper<T> {
         return selectOne(new LambdaQueryWrapper<T>().eq(field1, value1).eq(field2, value2));
     }
 
-    default Integer selectCount(String field, Object value) {
-        return selectCount(new QueryWrapper<T>().eq(field, value)).intValue();
+    default Long selectCount(String field, Object value) {
+        return selectCount(new QueryWrapper<T>().eq(field, value));
     }
 
-    default Integer selectCount(SFunction<T, ?> field, Object value) {
-        return selectCount(new LambdaQueryWrapper<T>().eq(field, value)).intValue();
+    default Long selectCount(SFunction<T, ?> field, Object value) {
+        return selectCount(new LambdaQueryWrapper<T>().eq(field, value));
     }
 
     default List<T> selectList() {
@@ -76,4 +76,8 @@ public interface BaseMapperX<T> extends BaseMapper<T> {
         entities.forEach(this::insert);
     }
 
+    default Boolean exists(SFunction<T, ?> field, Object value) {
+        return selectCount(field, value) > 0;
+    }
+
 }
diff --git a/yudao-module-infra/yudao-module-infra-impl/src/main/java/cn/iocoder/yudao/module/infra/dal/mysql/file/FileMapper.java b/yudao-module-infra/yudao-module-infra-impl/src/main/java/cn/iocoder/yudao/module/infra/dal/mysql/file/FileMapper.java
index 06e887dde..f332ba770 100644
--- a/yudao-module-infra/yudao-module-infra-impl/src/main/java/cn/iocoder/yudao/module/infra/dal/mysql/file/FileMapper.java
+++ b/yudao-module-infra/yudao-module-infra-impl/src/main/java/cn/iocoder/yudao/module/infra/dal/mysql/file/FileMapper.java
@@ -24,7 +24,7 @@ public interface FileMapper extends BaseMapperX<FileDO> {
                 .orderByDesc("create_time"));
     }
 
-    default Integer selectCountById(String id) {
+    default Long selectCountById(String id) {
         return selectCount(FileDO::getId, id);
     }
 
diff --git a/yudao-module-system/yudao-module-system-impl/src/main/java/cn/iocoder/yudao/module/system/dal/mysql/dept/DeptMapper.java b/yudao-module-system/yudao-module-system-impl/src/main/java/cn/iocoder/yudao/module/system/dal/mysql/dept/DeptMapper.java
index 1a3a09873..703c6c23a 100644
--- a/yudao-module-system/yudao-module-system-impl/src/main/java/cn/iocoder/yudao/module/system/dal/mysql/dept/DeptMapper.java
+++ b/yudao-module-system/yudao-module-system-impl/src/main/java/cn/iocoder/yudao/module/system/dal/mysql/dept/DeptMapper.java
@@ -25,7 +25,7 @@ public interface DeptMapper extends BaseMapperX<DeptDO> {
                 .eq(DeptDO::getName, name));
     }
 
-    default Integer selectCountByParentId(Long parentId) {
+    default Long selectCountByParentId(Long parentId) {
         return selectCount(DeptDO::getParentId, parentId);
     }
 
diff --git a/yudao-module-system/yudao-module-system-impl/src/main/java/cn/iocoder/yudao/module/system/dal/mysql/dict/DictDataMapper.java b/yudao-module-system/yudao-module-system-impl/src/main/java/cn/iocoder/yudao/module/system/dal/mysql/dict/DictDataMapper.java
index 28e4e468d..a00dc791a 100644
--- a/yudao-module-system/yudao-module-system-impl/src/main/java/cn/iocoder/yudao/module/system/dal/mysql/dict/DictDataMapper.java
+++ b/yudao-module-system/yudao-module-system-impl/src/main/java/cn/iocoder/yudao/module/system/dal/mysql/dict/DictDataMapper.java
@@ -28,7 +28,7 @@ public interface DictDataMapper extends BaseMapperX<DictDataDO> {
                 .in(DictDataDO::getValue, values));
     }
 
-    default int selectCountByDictType(String dictType) {
+    default long selectCountByDictType(String dictType) {
         return selectCount(DictDataDO::getDictType, dictType);
     }
 
diff --git a/yudao-module-system/yudao-module-system-impl/src/main/java/cn/iocoder/yudao/module/system/dal/mysql/permission/MenuMapper.java b/yudao-module-system/yudao-module-system-impl/src/main/java/cn/iocoder/yudao/module/system/dal/mysql/permission/MenuMapper.java
index dd0e775ae..2720652ec 100644
--- a/yudao-module-system/yudao-module-system-impl/src/main/java/cn/iocoder/yudao/module/system/dal/mysql/permission/MenuMapper.java
+++ b/yudao-module-system/yudao-module-system-impl/src/main/java/cn/iocoder/yudao/module/system/dal/mysql/permission/MenuMapper.java
@@ -20,7 +20,7 @@ public interface MenuMapper extends BaseMapperX<MenuDO> {
                 .eq(MenuDO::getName, name));
     }
 
-    default Integer selectCountByParentId(Long parentId) {
+    default Long selectCountByParentId(Long parentId) {
         return selectCount(MenuDO::getParentId, parentId);
     }
 
diff --git a/yudao-module-system/yudao-module-system-impl/src/main/java/cn/iocoder/yudao/module/system/dal/mysql/sms/SmsTemplateMapper.java b/yudao-module-system/yudao-module-system-impl/src/main/java/cn/iocoder/yudao/module/system/dal/mysql/sms/SmsTemplateMapper.java
index 0002e79ff..f4ad4cd02 100644
--- a/yudao-module-system/yudao-module-system-impl/src/main/java/cn/iocoder/yudao/module/system/dal/mysql/sms/SmsTemplateMapper.java
+++ b/yudao-module-system/yudao-module-system-impl/src/main/java/cn/iocoder/yudao/module/system/dal/mysql/sms/SmsTemplateMapper.java
@@ -48,7 +48,7 @@ public interface SmsTemplateMapper extends BaseMapperX<SmsTemplateDO> {
                 .orderByDesc(SmsTemplateDO::getId));
     }
 
-    default Integer selectCountByChannelId(Long channelId) {
+    default Long selectCountByChannelId(Long channelId) {
         return selectCount(SmsTemplateDO::getChannelId, channelId);
     }
 
diff --git a/yudao-module-system/yudao-module-system-impl/src/main/java/cn/iocoder/yudao/module/system/service/dict/DictDataService.java b/yudao-module-system/yudao-module-system-impl/src/main/java/cn/iocoder/yudao/module/system/service/dict/DictDataService.java
index 0742f8293..db1a1b624 100644
--- a/yudao-module-system/yudao-module-system-impl/src/main/java/cn/iocoder/yudao/module/system/service/dict/DictDataService.java
+++ b/yudao-module-system/yudao-module-system-impl/src/main/java/cn/iocoder/yudao/module/system/service/dict/DictDataService.java
@@ -82,7 +82,7 @@ public interface DictDataService extends DictDataFrameworkService {
      * @param dictType 字典类型
      * @return 数据数量
      */
-    int countByDictType(String dictType);
+    long countByDictType(String dictType);
 
     /**
      * 校验字典数据们是否有效。如下情况，视为无效：
diff --git a/yudao-module-system/yudao-module-system-impl/src/main/java/cn/iocoder/yudao/module/system/service/dict/DictDataServiceImpl.java b/yudao-module-system/yudao-module-system-impl/src/main/java/cn/iocoder/yudao/module/system/service/dict/DictDataServiceImpl.java
index 4832507cd..89ed28c50 100644
--- a/yudao-module-system/yudao-module-system-impl/src/main/java/cn/iocoder/yudao/module/system/service/dict/DictDataServiceImpl.java
+++ b/yudao-module-system/yudao-module-system-impl/src/main/java/cn/iocoder/yudao/module/system/service/dict/DictDataServiceImpl.java
@@ -209,7 +209,7 @@ public class DictDataServiceImpl implements DictDataService {
     }
 
     @Override
-    public int countByDictType(String dictType) {
+    public long countByDictType(String dictType) {
         return dictDataMapper.selectCountByDictType(dictType);
     }
 
diff --git a/yudao-module-system/yudao-module-system-impl/src/main/java/cn/iocoder/yudao/module/system/service/permission/MenuServiceImpl.java b/yudao-module-system/yudao-module-system-impl/src/main/java/cn/iocoder/yudao/module/system/service/permission/MenuServiceImpl.java
index 40d8c13c5..269aae283 100644
--- a/yudao-module-system/yudao-module-system-impl/src/main/java/cn/iocoder/yudao/module/system/service/permission/MenuServiceImpl.java
+++ b/yudao-module-system/yudao-module-system-impl/src/main/java/cn/iocoder/yudao/module/system/service/permission/MenuServiceImpl.java
@@ -166,6 +166,7 @@ public class MenuServiceImpl implements MenuService {
      * @param menuId 菜单编号
      */
     @Transactional(rollbackFor = Exception.class)
+    @Override
     public void deleteMenu(Long menuId) {
         // 校验是否还有子菜单
         if (menuMapper.selectCountByParentId(menuId) > 0) {
diff --git a/yudao-module-system/yudao-module-system-impl/src/main/java/cn/iocoder/yudao/module/system/service/sms/SmsTemplateService.java b/yudao-module-system/yudao-module-system-impl/src/main/java/cn/iocoder/yudao/module/system/service/sms/SmsTemplateService.java
index eaa655066..997586c73 100644
--- a/yudao-module-system/yudao-module-system-impl/src/main/java/cn/iocoder/yudao/module/system/service/sms/SmsTemplateService.java
+++ b/yudao-module-system/yudao-module-system-impl/src/main/java/cn/iocoder/yudao/module/system/service/sms/SmsTemplateService.java
@@ -110,6 +110,6 @@ public interface SmsTemplateService {
      * @param channelId 短信渠道编号
      * @return 数量
      */
-    Integer countByChannelId(Long channelId);
+    Long countByChannelId(Long channelId);
 
 }
diff --git a/yudao-module-system/yudao-module-system-impl/src/main/java/cn/iocoder/yudao/module/system/service/sms/SmsTemplateServiceImpl.java b/yudao-module-system/yudao-module-system-impl/src/main/java/cn/iocoder/yudao/module/system/service/sms/SmsTemplateServiceImpl.java
index ce8e71435..4a65551b4 100644
--- a/yudao-module-system/yudao-module-system-impl/src/main/java/cn/iocoder/yudao/module/system/service/sms/SmsTemplateServiceImpl.java
+++ b/yudao-module-system/yudao-module-system-impl/src/main/java/cn/iocoder/yudao/module/system/service/sms/SmsTemplateServiceImpl.java
@@ -220,7 +220,7 @@ public class SmsTemplateServiceImpl implements SmsTemplateService {
     }
 
     @Override
-    public Integer countByChannelId(Long channelId) {
+    public Long countByChannelId(Long channelId) {
         return smsTemplateMapper.selectCountByChannelId(channelId);
     }
 
diff --git a/yudao-module-system/yudao-module-system-impl/src/test/java/cn/iocoder/yudao/module/system/service/dict/DictTypeServiceTest.java b/yudao-module-system/yudao-module-system-impl/src/test/java/cn/iocoder/yudao/module/system/service/dict/DictTypeServiceTest.java
index 406f1e8a4..0c5045258 100644
--- a/yudao-module-system/yudao-module-system-impl/src/test/java/cn/iocoder/yudao/module/system/service/dict/DictTypeServiceTest.java
+++ b/yudao-module-system/yudao-module-system-impl/src/test/java/cn/iocoder/yudao/module/system/service/dict/DictTypeServiceTest.java
@@ -177,7 +177,7 @@ public class DictTypeServiceTest extends BaseDbUnitTest {
         // 准备参数
         Long id = dbDictType.getId();
         // mock 方法
-        when(dictDataService.countByDictType(eq(dbDictType.getType()))).thenReturn(1);
+        when(dictDataService.countByDictType(eq(dbDictType.getType()))).thenReturn(1L);
 
         // 调用, 并断言异常
         assertServiceException(() -> dictTypeService.deleteDictType(id), DICT_TYPE_HAS_CHILDREN);
diff --git a/yudao-module-system/yudao-module-system-impl/src/test/java/cn/iocoder/yudao/module/system/service/sms/SmsChannelServiceTest.java b/yudao-module-system/yudao-module-system-impl/src/test/java/cn/iocoder/yudao/module/system/service/sms/SmsChannelServiceTest.java
index 7e8b8445e..8ff9683a6 100644
--- a/yudao-module-system/yudao-module-system-impl/src/test/java/cn/iocoder/yudao/module/system/service/sms/SmsChannelServiceTest.java
+++ b/yudao-module-system/yudao-module-system-impl/src/test/java/cn/iocoder/yudao/module/system/service/sms/SmsChannelServiceTest.java
@@ -147,7 +147,7 @@ public class SmsChannelServiceTest extends BaseDbUnitTest {
         // 准备参数
         Long id = dbSmsChannel.getId();
         // mock 方法
-        when(smsTemplateService.countByChannelId(eq(id))).thenReturn(10);
+        when(smsTemplateService.countByChannelId(eq(id))).thenReturn(10L);
 
         // 调用, 并断言异常
         assertServiceException(() -> smsChannelService.deleteSmsChannel(id), SMS_CHANNEL_HAS_CHILDREN);