diff --git a/db/20260930_backfill_mch_manage_discounts_rate.sql b/db/20260930_backfill_mch_manage_discounts_rate.sql
new file mode 100644
index 000000000..a6c5c64e7
--- /dev/null
+++ b/db/20260930_backfill_mch_manage_discounts_rate.sql
@@ -0,0 +1,32 @@
+-- 回填 mch_manage.discounts_rate：
+-- 从 discounts_price 文案（如"享9.5折"、"享菜品7.8折（不含酒水）"、"全场95折"）中提取"折"前面的数字，
+-- 折算规则与 discounts_rate 语义(1-99，10=1折)一致：
+--   小数或个位整数("9.5折"->95、"9折"->90、"0.5折"->5) 乘以10；
+--   两位整数("95折")本身即百分比，保持原值 -> 95。
+-- 仅填充 discounts_rate 为空的行，已配置的值不覆盖；提取不到"数字+折"或折算结果不在 1-99 的行跳过。
+
+-- ① 预览：执行前先跑这条，人工确认折算结果
+SELECT id, name, discounts_price,
+       ROUND(CAST(REPLACE(REGEXP_SUBSTR(discounts_price, '[0-9]+(\\.[0-9]+)?折'), '折', '') AS DECIMAL(10, 2))
+             * IF(CAST(REPLACE(REGEXP_SUBSTR(discounts_price, '[0-9]+(\\.[0-9]+)?折'), '折', '') AS DECIMAL(10, 2)) < 10, 10, 1)) AS will_rate
+FROM mch_manage
+WHERE discounts_rate IS NULL
+  AND discounts_price REGEXP '[0-9]+(\\.[0-9]+)?折';
+
+-- ② 执行回填
+UPDATE mch_manage m
+    JOIN (SELECT id,
+                 ROUND(CAST(REPLACE(REGEXP_SUBSTR(discounts_price, '[0-9]+(\\.[0-9]+)?折'), '折', '') AS DECIMAL(10, 2))
+                       * IF(CAST(REPLACE(REGEXP_SUBSTR(discounts_price, '[0-9]+(\\.[0-9]+)?折'), '折', '') AS DECIMAL(10, 2)) < 10,
+                            10, 1)) AS rate
+          FROM mch_manage
+          WHERE discounts_rate IS NULL
+            AND discounts_price REGEXP '[0-9]+(\\.[0-9]+)?折') t ON t.id = m.id
+SET m.discounts_rate = t.rate
+WHERE t.rate BETWEEN 1 AND 99;
+
+-- ③ 核对：回填结果与原文对照
+SELECT id, name, discounts_price, discounts_rate
+FROM mch_manage
+WHERE discounts_rate IS NOT NULL
+ORDER BY update_time DESC;
diff --git a/pjcloud-wallet/pjcloud-wallet-biz/src/main/java/com/bsd/pjcloud/wallet/mapper/MchManageMapper.java b/pjcloud-wallet/pjcloud-wallet-biz/src/main/java/com/bsd/pjcloud/wallet/mapper/MchManageMapper.java
index d26e5d0de..476b12111 100644
--- a/pjcloud-wallet/pjcloud-wallet-biz/src/main/java/com/bsd/pjcloud/wallet/mapper/MchManageMapper.java
+++ b/pjcloud-wallet/pjcloud-wallet-biz/src/main/java/com/bsd/pjcloud/wallet/mapper/MchManageMapper.java
@@ -30,8 +30,8 @@ public interface MchManageMapper extends PjcloudBaseMapper<MchManageEntity> {
                 .likeIfExists(MchManageEntity::getName, dto.getName())
                 .in(ObjectUtil.isNotEmpty(dto.getDeptIds()), MchManageEntity::getDeptId, dto.getDeptIds())
                 .apply(ObjectUtil.isNotEmpty(dto.getType()), "FIND_IN_SET({0}, types)", dto.getType())
-                // 优惠折扣(1-99,10=1折)越小折扣越大：有折扣的排在无折扣(ifnull补100)前面，1折排在2折前面
-                .last("order by ifnull(discounts_rate, 100) asc, sort desc, create_time desc, id desc");
+                // 排序：优惠折扣(1-99,10=1折)越小折扣越大优先；同档内有优惠价格文案(discounts_price非空)的靠前；再按sort/创建时间/id
+                .last("order by ifnull(discounts_rate, 100) asc, (ifnull(discounts_price, '') = '') asc, sort desc, create_time desc, id desc");
         return selectJoinPage(page, MchManageVo.class, wrapper);
     }