diff --git a/frontend/src/pages/usr/UserDetail.tsx b/frontend/src/pages/usr/UserDetail.tsx
index 7e5fc37..a4db38b 100644
--- a/frontend/src/pages/usr/UserDetail.tsx
+++ b/frontend/src/pages/usr/UserDetail.tsx
@@ -25,7 +25,6 @@ import {
   USER_TYPES,
   LANGUAGE_OPTIONS,
   PERMISSION_GROUPS,
-  DEPARTMENTS,
   SCOPE_ITEMS,
 } from "@/utils/data";
 import { useAppDispatch, useAppSelector } from "@/store";
@@ -44,7 +43,6 @@ interface FormState {
   sUserName: string;
   iStaffId: number | null;
   staffName: string;
-  department: string;
   sUserType: string;
   sLanguage: string;
   bCanModifyDocs: boolean;
@@ -73,7 +71,6 @@ export default function UserDetail({ userId, mode: initialMode }: Props) {
         sUserName: string;
         iStaffId: number | null;
         staffName: string | null;
-        department: string | null;
         sUserType: string;
         sLanguage: string;
         bCanModifyDocs?: boolean;
@@ -89,7 +86,6 @@ export default function UserDetail({ userId, mode: initialMode }: Props) {
           sUserName: "",
           iStaffId: null,
           staffName: "",
-          department: "",
           sUserType: "普通用户",
           sLanguage: "zh",
           bCanModifyDocs: false,
@@ -99,7 +95,6 @@ export default function UserDetail({ userId, mode: initialMode }: Props) {
           sUserName: snapshot.sUserName,
           iStaffId: snapshot.iStaffId,
           staffName: snapshot.staffName ?? "",
-          department: snapshot.department ?? "",
           sUserType: snapshot.sUserType,
           sLanguage: snapshot.sLanguage,
           bCanModifyDocs: !!snapshot.bCanModifyDocs,
@@ -348,14 +343,6 @@ export default function UserDetail({ userId, mode: initialMode }: Props) {
           />
         </Field>
 
-        <Field label="部门">
-          <PrimSelect
-            value={form.department}
-            onChange={(v) => set("department", v)}
-            disabled={disabled}
-            options={DEPARTMENTS}
-          />
-        </Field>
         <Field label="语言" required>
           <PrimSelect
             value={form.sLanguage}
diff --git a/frontend/src/utils/data.ts b/frontend/src/utils/data.ts
index 5a00bcc..62de063 100644
--- a/frontend/src/utils/data.ts
+++ b/frontend/src/utils/data.ts
@@ -55,25 +55,6 @@ export const PERMISSION_GROUPS = [
   "仓库管理员",
 ];
 
-// Visual-only — 部门 dropdown options on UserDetail.
-export const DEPARTMENTS = [
-  "工艺技术",
-  "印刷车间",
-  "机修",
-  "机务部",
-  "财务部",
-  "装订车间",
-  "总经办公室",
-  "总务部",
-  "供应链",
-  "质量管理部",
-  "模切车间",
-  "计划组",
-  "样品开发",
-  "设计部",
-  "仓库",
-];
-
 // Visual-only — scope tabs in UserDetail (客户/供应商/人员/工序/司机).
 export const SCOPE_ITEMS: Record<string, { label: string; items: string[] }> = {
   customer: {