feat(service): 添加商户 ID 查询条件

src/main/java/com/xynet/marketing/service/impl/PromotionServiceImpl.java

@@ -38,7 +38,8 @@ public class PromotionServiceImpl extends ServiceImpl<PromotionMapper, Promotion
 
     private LambdaQueryWrapper<Promotion> commonQueryWrapper(JMap<String, Object> param) {
         LambdaQueryWrapper<Promotion> lqw = new LambdaQueryWrapper<Promotion>()
-                .eq(Emptys.check(param.getInt("id")), Promotion::getId, param.getInt("id"));
+                .eq(Emptys.check(param.getInt("id")), Promotion::getId, param.getInt("id"))
+                .eq(Emptys.check(param.getInt("mercId")), Promotion::getMercId, param.getInt("mercId"));
         return lqw;
     }