增加实体类，以及部分逻辑修改

pluss-dao-bundle/src/main/java/cn/pluss/platform/mapper/UserPromotionMapper.java

@@ -0,0 +1,10 @@
+package cn.pluss.platform.mapper;
+
+import cn.pluss.platform.entity.UserManageProfit;
+import cn.pluss.platform.entity.UserPromotion;
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import org.apache.ibatis.annotations.Mapper;
+
+@Mapper
+public interface  UserPromotionMapper extends BaseMapper<UserPromotion> {
+}