diff --git a/apps/backend/src/db/migrations/147_consignment_platform.sql b/apps/backend/src/db/migrations/147_consignment_platform.sql
index e5985926..23f114da 100644
--- a/apps/backend/src/db/migrations/147_consignment_platform.sql
+++ b/apps/backend/src/db/migrations/147_consignment_platform.sql
@@ -467,8 +467,8 @@ BEGIN
       "policy": "reopen"
     },
     "priceDrop": {
-      "enabled": false,
-      "hours": 72,
+      "enabled": true,
+      "hours": 24,
       "mode": "percent",
       "value": 10
     }
diff --git a/apps/backend/src/services/worker-platform/consignment-profile-service.test.ts b/apps/backend/src/services/worker-platform/consignment-profile-service.test.ts
index cae4db72..81fe8fef 100644
--- a/apps/backend/src/services/worker-platform/consignment-profile-service.test.ts
+++ b/apps/backend/src/services/worker-platform/consignment-profile-service.test.ts
@@ -137,3 +137,15 @@ test('打手端寄卖分类：苏尔南手枪固定排第一', async () => {
     '苏尔南手枪必须排在打手端分类列表第一位',
   )
 })
+
+test('合并迁移 147 的苏尔南种子：降价提示默认开启、24 小时、按比例 10%', async () => {
+  const sql = await readFile(
+    new URL('../../db/migrations/147_consignment_platform.sql', import.meta.url),
+    'utf8',
+  )
+  assert.match(
+    sql,
+    /"priceDrop":\s*\{\s*"enabled":\s*true,\s*"hours":\s*24,\s*"mode":\s*"percent",\s*"value":\s*10\s*\}/,
+    '新库初始化必须与前端默认值一致（开启 / 24 小时 / 按比例 10%）',
+  )
+})