充值活动 满足金额

src/main/resources/mapper/TbActivateMapper.xml

@@ -23,8 +23,8 @@
         select *
         from tb_activate
         where shop_id = #{shopId}
-          and amount = #{amount}
-        ORDER BY amount desc
+          and amount <= #{amount}
+        order by amount desc
             limit 1
     </select>