diff --git a/frontend/src/api/dailyInventory.js b/frontend/src/api/dailyInventory.js
new file mode 100644
index 0000000..e844361
--- /dev/null
+++ b/frontend/src/api/dailyInventory.js
@@ -0,0 +1,9 @@
+import request from './request';
+
+const LIST_TIMEOUT_MS = 5 * 60 * 1000;
+
+// 每日进销存：25 仓 × 进销存流水 + 实时期末 + 分级库存量
+export const getDailyInventory = () => request.get(
+  '/api/daily-inventory',
+  { timeout: LIST_TIMEOUT_MS }
+);