diff --git a/apps/backend/src/db/migrations/151_sales_daily_facts_on_account_channel.sql b/apps/backend/src/db/migrations/151_sales_daily_facts_on_account_channel.sql
new file mode 100644
index 00000000..9a89b47f
--- /dev/null
+++ b/apps/backend/src/db/migrations/151_sales_daily_facts_on_account_channel.sql
@@ -0,0 +1,25 @@
+-- 151_sales_daily_facts_on_account_channel.sql
+--
+-- 财务销售事实渠道枚举补齐统一结算渠道。
+-- v_finance_order_item_scope 会原样输出 fulfillments.channel，而履约真源自
+-- 132_on_account_and_manual_channels.sql 起已合法包含 on_account。
+
+ALTER TABLE sales_daily_facts
+  DROP CONSTRAINT IF EXISTS chk_sales_daily_facts_fulfillment_mode;
+
+ALTER TABLE sales_daily_facts
+  ADD CONSTRAINT chk_sales_daily_facts_fulfillment_mode
+  CHECK (
+    channel IN (
+      'work_order',
+      'affiliate_dash',
+      'third_party_voucher',
+      'manual',
+      'on_account',
+      'unclassified',
+      'archived'
+    )
+  );
+
+COMMENT ON COLUMN sales_daily_facts.channel IS
+  '销售事实维度（渠道）：work_order / affiliate_dash / third_party_voucher / manual / on_account / unclassified 未分类 / archived 归档';