diff --git a/yudao-module-mall/yudao-module-market-biz/src/main/java/cn/iocoder/yudao/module/market/service/banner/BannerService.java b/yudao-module-mall/yudao-module-market-biz/src/main/java/cn/iocoder/yudao/module/market/service/banner/BannerService.java
new file mode 100644
index 000000000..2c57a4cee
--- /dev/null
+++ b/yudao-module-mall/yudao-module-market-biz/src/main/java/cn/iocoder/yudao/module/market/service/banner/BannerService.java
@@ -0,0 +1,66 @@
+package cn.iocoder.yudao.module.market.service.banner;
+
+import cn.iocoder.yudao.framework.common.pojo.PageResult;
+import cn.iocoder.yudao.module.market.controller.admin.activity.vo.ActivityCreateReqVO;
+import cn.iocoder.yudao.module.market.controller.admin.activity.vo.ActivityPageReqVO;
+import cn.iocoder.yudao.module.market.controller.admin.activity.vo.ActivityUpdateReqVO;
+import cn.iocoder.yudao.module.market.dal.dataobject.activity.ActivityDO;
+
+import javax.validation.Valid;
+import java.util.Collection;
+import java.util.List;
+
+/**
+ * 首页Banner Service 接口
+ *
+ * @author xia
+ */
+public interface ActivityService {
+
+    /**
+     * 创建促销活动
+     *
+     * @param createReqVO 创建信息
+     * @return 编号
+     */
+    Long createActivity(@Valid ActivityCreateReqVO createReqVO);
+
+    /**
+     * 更新促销活动
+     *
+     * @param updateReqVO 更新信息
+     */
+    void updateActivity(@Valid ActivityUpdateReqVO updateReqVO);
+
+    /**
+     * 删除促销活动
+     *
+     * @param id 编号
+     */
+    void deleteActivity(Long id);
+
+    /**
+     * 获得促销活动
+     *
+     * @param id 编号
+     * @return 促销活动
+     */
+    ActivityDO getActivity(Long id);
+
+    /**
+     * 获得促销活动列表
+     *
+     * @param ids 编号
+     * @return 促销活动列表
+     */
+    List<ActivityDO> getActivityList(Collection<Long> ids);
+
+    /**
+     * 获得促销活动分页
+     *
+     * @param pageReqVO 分页查询
+     * @return 促销活动分页
+     */
+    PageResult<ActivityDO> getActivityPage(ActivityPageReqVO pageReqVO);
+
+}
diff --git a/yudao-module-mall/yudao-module-market-biz/src/main/java/cn/iocoder/yudao/module/market/service/banner/BannerServiceImpl.java b/yudao-module-mall/yudao-module-market-biz/src/main/java/cn/iocoder/yudao/module/market/service/banner/BannerServiceImpl.java
new file mode 100644
index 000000000..70157c817
--- /dev/null
+++ b/yudao-module-mall/yudao-module-market-biz/src/main/java/cn/iocoder/yudao/module/market/service/banner/BannerServiceImpl.java
@@ -0,0 +1,79 @@
+package cn.iocoder.yudao.module.market.service.banner;
+
+import cn.iocoder.yudao.framework.common.pojo.PageResult;
+import cn.iocoder.yudao.module.market.controller.admin.activity.vo.ActivityCreateReqVO;
+import cn.iocoder.yudao.module.market.controller.admin.activity.vo.ActivityPageReqVO;
+import cn.iocoder.yudao.module.market.controller.admin.activity.vo.ActivityUpdateReqVO;
+import cn.iocoder.yudao.module.market.convert.activity.ActivityConvert;
+import cn.iocoder.yudao.module.market.dal.dataobject.activity.ActivityDO;
+import cn.iocoder.yudao.module.market.dal.mysql.activity.ActivityMapper;
+import org.springframework.stereotype.Service;
+import org.springframework.validation.annotation.Validated;
+
+import javax.annotation.Resource;
+import java.util.Collection;
+import java.util.List;
+
+import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception;
+import static cn.iocoder.yudao.module.market.enums.ErrorCodeConstants.ACTIVITY_NOT_EXISTS;
+
+/**
+ * 首页banner 实现类
+ *
+ * @author xia
+ */
+@Service
+@Validated
+public class ActivityServiceImpl implements ActivityService {
+
+    @Resource
+    private ActivityMapper activityMapper;
+
+    @Override
+    public Long createActivity(ActivityCreateReqVO createReqVO) {
+        // 插入
+        ActivityDO activity = ActivityConvert.INSTANCE.convert(createReqVO);
+        activityMapper.insert(activity);
+        // 返回
+        return activity.getId();
+    }
+
+    @Override
+    public void updateActivity(ActivityUpdateReqVO updateReqVO) {
+        // 校验存在
+        this.validateActivityExists(updateReqVO.getId());
+        // 更新
+        ActivityDO updateObj = ActivityConvert.INSTANCE.convert(updateReqVO);
+        activityMapper.updateById(updateObj);
+    }
+
+    @Override
+    public void deleteActivity(Long id) {
+        // 校验存在
+        this.validateActivityExists(id);
+        // 删除
+        activityMapper.deleteById(id);
+    }
+
+    private void validateActivityExists(Long id) {
+        if (activityMapper.selectById(id) == null) {
+            throw exception(ACTIVITY_NOT_EXISTS);
+        }
+    }
+
+    @Override
+    public ActivityDO getActivity(Long id) {
+        return activityMapper.selectById(id);
+    }
+
+    @Override
+    public List<ActivityDO> getActivityList(Collection<Long> ids) {
+        return activityMapper.selectBatchIds(ids);
+    }
+
+    @Override
+    public PageResult<ActivityDO> getActivityPage(ActivityPageReqVO pageReqVO) {
+        return activityMapper.selectPage(pageReqVO);
+    }
+
+}