diff --git a/src/api/module/workplan.ts b/src/api/module/workplan.ts
index 12d686c..302c86a 100644
--- a/src/api/module/workplan.ts
+++ b/src/api/module/workplan.ts
@@ -1,5 +1,6 @@
 import { Method } from "alova";
 import { alovaInstance } from "@/utils/alova/alova-iview";
+import conf from "@/assets/config/host.config";
 import type {
     AllPlanItemVo,
     AllPlanQuery,
@@ -150,7 +151,9 @@ export async function importWeekPlan(
     form.append("term", String(term));
     form.append("week", String(week));
 
-    const resp = await fetch(`${WORKPLAN}/WeekPlanExcelImport`, {
+    // alova 实例的 baseURL 是 serviceHost（线上为 /work-week-plan），
+    // 原生 fetch 不经过它，必须手动带上，否则部署站 404
+    const resp = await fetch(`${conf.serviceHost}${WORKPLAN}/WeekPlanExcelImport`, {
         method: "POST",
         body: form,
         credentials: "include",