diff --git a/continew-starter-extension/continew-starter-extension-crud/pom.xml b/continew-starter-extension/continew-starter-extension-crud/pom.xml
index bc645adb..c3758e59 100644
--- a/continew-starter-extension/continew-starter-extension-crud/pom.xml
+++ b/continew-starter-extension/continew-starter-extension-crud/pom.xml
@@ -16,6 +16,12 @@
     <description>ContiNew Starter 扩展模块 - CRUD（增删改查）</description>
 
     <dependencies>
+        <!-- Crane4j（一个基于注解的，用于完成一切 “根据 A 的 key 值拿到 B，再把 B 的属性映射到 A” 这类需求的字段填充框架） -->
+        <dependency>
+            <groupId>cn.crane4j</groupId>
+            <artifactId>crane4j-spring-boot-starter</artifactId>
+        </dependency>
+
         <dependency>
             <groupId>org.springframework.data</groupId>
             <artifactId>spring-data-commons</artifactId>
@@ -44,11 +50,5 @@
             <groupId>top.charles7c.continew</groupId>
             <artifactId>continew-starter-api-doc</artifactId>
         </dependency>
-
-        <!-- Crane4j（一个基于注解的，用于完成一切 “根据 A 的 key 值拿到 B，再把 B 的属性映射到 A” 这类需求的字段填充框架） -->
-        <dependency>
-            <groupId>cn.crane4j</groupId>
-            <artifactId>crane4j-spring-boot-starter</artifactId>
-        </dependency>
     </dependencies>
 </project>
\ No newline at end of file
diff --git a/continew-starter-extension/continew-starter-extension-crud/src/main/java/top/charles7c/continew/starter/extension/crud/base/BaseServiceImpl.java b/continew-starter-extension/continew-starter-extension-crud/src/main/java/top/charles7c/continew/starter/extension/crud/base/BaseServiceImpl.java
index dca7db9a..2584f2ff 100644
--- a/continew-starter-extension/continew-starter-extension-crud/src/main/java/top/charles7c/continew/starter/extension/crud/base/BaseServiceImpl.java
+++ b/continew-starter-extension/continew-starter-extension-crud/src/main/java/top/charles7c/continew/starter/extension/crud/base/BaseServiceImpl.java
@@ -146,26 +146,31 @@ public abstract class BaseServiceImpl<M extends BaseMapper<T>, T extends BaseDO,
     }
 
     @Override
+    @Transactional(rollbackFor = Exception.class)
     public Long add(C req) {
-        if (null == req) {
-            return 0L;
-        }
+        this.beforeAdd(req);
         T entity = BeanUtil.copyProperties(req, entityClass);
         baseMapper.insert(entity);
+        this.afterAdd(req, entity);
         return entity.getId();
     }
 
     @Override
+    @Transactional(rollbackFor = Exception.class)
     public void update(C req, Long id) {
+        this.beforeUpdate(req, id);
         T entity = this.getById(id);
         BeanUtil.copyProperties(req, entity, CopyOptions.create().ignoreNullValue());
         baseMapper.updateById(entity);
+        this.afterUpdate(req, entity);
     }
 
     @Override
     @Transactional(rollbackFor = Exception.class)
     public void delete(List<Long> ids) {
+        this.beforeDelete(ids);
         baseMapper.deleteBatchIds(ids);
+        this.afterDelete(ids);
     }
 
     @Override
@@ -212,6 +217,57 @@ public abstract class BaseServiceImpl<M extends BaseMapper<T>, T extends BaseDO,
         }
     }
 
+    /**
+     * 新增前置处理
+     *
+     * @param req 创建信息
+     */
+    protected void beforeAdd(C req) {
+    }
+
+    /**
+     * 修改前置处理
+     *
+     * @param req 修改信息
+     * @param id  ID
+     */
+    protected void beforeUpdate(C req, Long id) {
+    }
+
+    /**
+     * 删除前置处理
+     *
+     * @param ids ID 列表
+     */
+    protected void beforeDelete(List<Long> ids) {
+    }
+
+    /**
+     * 新增后置处理
+     *
+     * @param req    创建信息
+     * @param entity 实体信息
+     */
+    protected void afterAdd(C req, T entity) {
+    }
+
+    /**
+     * 修改后置处理
+     *
+     * @param req    修改信息
+     * @param entity 实体信息
+     */
+    protected void afterUpdate(C req, T entity) {
+    }
+
+    /**
+     * 删除后置处理
+     *
+     * @param ids ID 列表
+     */
+    private void afterDelete(List<Long> ids) {
+    }
+
     /**
      * 获取当前实体类型
      *