diff --git a/src/app/api/admin/users/route.ts b/src/app/api/admin/users/route.ts
new file mode 100644
index 0000000..544e094
--- /dev/null
+++ b/src/app/api/admin/users/route.ts
@@ -0,0 +1,109 @@
+export const dynamic = 'force-dynamic'
+
+import { NextRequest, NextResponse } from 'next/server'
+
+import { getAccountServiceApiBaseUrl } from '@server/serviceConfig'
+import { getAccountSession, userHasRole } from '@server/account/session'
+import type { AccountUserRole } from '@server/account/session'
+
+const ACCOUNT_API_BASE = getAccountServiceApiBaseUrl()
+const REQUIRED_ROLES: AccountUserRole[] = ['admin']
+
+const UUID_PATTERN =
+  /^[0-9a-f]{8}-[0-9a-f]{4}-[1-5][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/i
+
+type ErrorPayload = {
+  error: string
+}
+
+type CreateUserBody = {
+  email?: unknown
+  uuid?: unknown
+  groups?: unknown
+}
+
+function normalizeString(value: unknown): string | null {
+  if (typeof value !== 'string') {
+    return null
+  }
+  const trimmed = value.trim()
+  return trimmed.length > 0 ? trimmed : null
+}
+
+function normalizeGroups(value: unknown): string[] | null {
+  if (!Array.isArray(value)) {
+    return null
+  }
+  const result: string[] = []
+  for (const item of value) {
+    const normalized = normalizeString(item)
+    if (!normalized) {
+      continue
+    }
+    result.push(normalized)
+  }
+  if (result.length === 0) {
+    return null
+  }
+  return Array.from(new Set(result))
+}
+
+function isRootUser(username?: string): boolean {
+  return username?.trim().toLowerCase() === 'root'
+}
+
+export async function POST(request: NextRequest) {
+  const session = await getAccountSession(request)
+  const user = session.user
+
+  if (!user || !session.token) {
+    return NextResponse.json<ErrorPayload>({ error: 'unauthenticated' }, { status: 401 })
+  }
+
+  if (!(await userHasRole(user, REQUIRED_ROLES))) {
+    return NextResponse.json<ErrorPayload>({ error: 'forbidden' }, { status: 403 })
+  }
+
+  if (!isRootUser(user.username)) {
+    return NextResponse.json<ErrorPayload>({ error: 'root_only' }, { status: 403 })
+  }
+
+  const body = (await request.json().catch(() => null)) as CreateUserBody | null
+  if (!body) {
+    return NextResponse.json<ErrorPayload>({ error: 'invalid_body' }, { status: 400 })
+  }
+
+  const email = normalizeString(body.email)
+  const uuid = normalizeString(body.uuid)
+  const groups = normalizeGroups(body.groups)
+
+  if (!email || !uuid || !groups) {
+    return NextResponse.json<ErrorPayload>({ error: 'invalid_body' }, { status: 400 })
+  }
+
+  if (!UUID_PATTERN.test(uuid)) {
+    return NextResponse.json<ErrorPayload>({ error: 'invalid_uuid' }, { status: 400 })
+  }
+
+  const response = await fetch(`${ACCOUNT_API_BASE}/admin/users`, {
+    method: 'POST',
+    headers: {
+      Authorization: `Bearer ${session.token}`,
+      Accept: 'application/json',
+      'Content-Type': 'application/json',
+    },
+    body: JSON.stringify({
+      email,
+      uuid,
+      groups,
+    }),
+    cache: 'no-store',
+  })
+
+  const payload = await response.json().catch(() => null)
+  if (payload === null) {
+    return NextResponse.json<ErrorPayload>({ error: 'invalid_response' }, { status: 502 })
+  }
+
+  return NextResponse.json(payload, { status: response.status })
+}
diff --git a/src/modules/extensions/builtin/user-center/management/components/UserGroupManagement.tsx b/src/modules/extensions/builtin/user-center/management/components/UserGroupManagement.tsx
index 4b1a9ff..2b2826d 100644
--- a/src/modules/extensions/builtin/user-center/management/components/UserGroupManagement.tsx
+++ b/src/modules/extensions/builtin/user-center/management/components/UserGroupManagement.tsx
@@ -1,6 +1,6 @@
 'use client'
 
-import { useMemo } from 'react'
+import { type FormEvent, useMemo, useState } from 'react'
 import Card from '../../components/Card'
 
 export type ManagedUser = {
@@ -12,11 +12,18 @@ export type ManagedUser = {
   created_at?: string
 }
 
+export type CreateManagedUserInput = {
+  email: string
+  uuid: string
+  groups: string[]
+}
+
 type UserGroupManagementProps = {
   users?: ManagedUser[]
   isLoading?: boolean
   pendingUserIds?: Set<string>
   canEditRoles: boolean
+  canCreateCustomUser?: boolean
   onRoleChange?: (userId: string, role: string) => void
   onInvite?: () => void
   onImport?: () => void
@@ -25,6 +32,7 @@ type UserGroupManagementProps = {
   onDeleteUser?: (userId: string) => void
   onRenewUuid?: (userId: string) => void
   onManageBlacklist?: () => void
+  onCreateCustomUser?: (input: CreateManagedUserInput) => Promise<void> | void
 }
 
 const ROLE_OPTIONS = [
@@ -33,11 +41,22 @@ const ROLE_OPTIONS = [
   { value: 'user', label: '用户' },
 ]
 
+function parseGroupList(input: string): string[] {
+  const values = input
+    .split(/[\n,，]/)
+    .map((entry) => entry.trim())
+    .filter((entry) => entry.length > 0)
+
+  return Array.from(new Set(values))
+}
+
+
 export function UserGroupManagement({
   users,
   isLoading = false,
   pendingUserIds,
   canEditRoles,
+  canCreateCustomUser = false,
   onRoleChange,
   onInvite,
   onImport,
@@ -46,10 +65,56 @@ export function UserGroupManagement({
   onDeleteUser,
   onRenewUuid,
   onManageBlacklist,
+  onCreateCustomUser,
 }: UserGroupManagementProps) {
   const data = useMemo(() => users ?? [], [users])
   const pendingSet = pendingUserIds ?? new Set<string>()
 
+  const [customEmail, setCustomEmail] = useState('')
+  const [customUuid, setCustomUuid] = useState('')
+  const [customGroups, setCustomGroups] = useState('')
+  const [isCreating, setIsCreating] = useState(false)
+  const [createMessage, setCreateMessage] = useState<string | undefined>()
+  const [createError, setCreateError] = useState<string | undefined>()
+
+  const parsedCustomGroups = useMemo(() => parseGroupList(customGroups), [customGroups])
+
+  const handleCreateCustomUser = async (event: FormEvent<HTMLFormElement>) => {
+    event.preventDefault()
+    if (!onCreateCustomUser) {
+      return
+    }
+
+    const email = customEmail.trim()
+    const uuid = customUuid.trim()
+    if (!email || !uuid) {
+      setCreateError('请填写邮箱与 UUID')
+      return
+    }
+
+    const groups = parsedCustomGroups
+    if (groups.length === 0) {
+      setCreateError('请至少填写一个用户组')
+      return
+    }
+
+    setIsCreating(true)
+    setCreateError(undefined)
+    setCreateMessage(undefined)
+
+    try {
+      await onCreateCustomUser({ email, uuid, groups })
+      setCreateMessage('用户创建成功')
+      setCustomEmail('')
+      setCustomUuid('')
+      setCustomGroups('')
+    } catch (error) {
+      setCreateError(error instanceof Error ? error.message : '创建失败')
+    } finally {
+      setIsCreating(false)
+    }
+  }
+
   return (
     <Card>
       <div className="flex flex-col gap-4">
@@ -83,6 +148,56 @@ export function UserGroupManagement({
           </div>
         </header>
 
+        {canCreateCustomUser ? (
+          <form onSubmit={handleCreateCustomUser} className="rounded-xl border border-purple-100 bg-purple-50/60 p-4">
+            <h3 className="text-sm font-semibold text-purple-800">Root 管理员专用：创建自定义 UUID 用户</h3>
+            <p className="mt-1 text-xs text-purple-700">支持一次配置多个分组（逗号或换行分隔）。</p>
+            <div className="mt-3 grid grid-cols-1 gap-3 md:grid-cols-2">
+              <label className="flex flex-col gap-1 text-xs text-gray-600">
+                邮箱
+                <input
+                  type="email"
+                  value={customEmail}
+                  onChange={(event) => setCustomEmail(event.target.value)}
+                  placeholder="user@example.com"
+                  className="rounded-lg border border-gray-200 bg-white px-3 py-2 text-sm text-gray-800 focus:border-purple-400 focus:outline-none focus:ring-2 focus:ring-purple-200"
+                />
+              </label>
+              <label className="flex flex-col gap-1 text-xs text-gray-600">
+                自定义 UUID
+                <input
+                  type="text"
+                  value={customUuid}
+                  onChange={(event) => setCustomUuid(event.target.value)}
+                  placeholder="xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"
+                  className="rounded-lg border border-gray-200 bg-white px-3 py-2 text-sm text-gray-800 focus:border-purple-400 focus:outline-none focus:ring-2 focus:ring-purple-200"
+                />
+              </label>
+              <label className="flex flex-col gap-1 text-xs text-gray-600 md:col-span-2">
+                分组列表
+                <textarea
+                  value={customGroups}
+                  onChange={(event) => setCustomGroups(event.target.value)}
+                  placeholder="group-a,group-b"
+                  rows={3}
+                  className="rounded-lg border border-gray-200 bg-white px-3 py-2 text-sm text-gray-800 focus:border-purple-400 focus:outline-none focus:ring-2 focus:ring-purple-200"
+                />
+              </label>
+            </div>
+            <div className="mt-3 flex flex-wrap items-center gap-3">
+              <button
+                type="submit"
+                disabled={isCreating}
+                className="inline-flex items-center rounded-full bg-purple-600 px-4 py-2 text-sm font-medium text-white transition hover:bg-purple-700 disabled:cursor-not-allowed disabled:opacity-60"
+              >
+                {isCreating ? '创建中…' : '创建用户'}
+              </button>
+              {createMessage ? <span className="text-xs text-green-700">{createMessage}</span> : null}
+              {createError ? <span className="text-xs text-red-600">{createError}</span> : null}
+            </div>
+          </form>
+        ) : null}
+
         <div className="overflow-x-auto" aria-busy={isLoading} aria-live="polite">
           <table className="min-w-full divide-y divide-gray-200 text-left text-sm">
             <thead className="bg-gray-50/80 text-xs uppercase tracking-wide text-gray-500">
@@ -139,8 +254,7 @@ export function UserGroupManagement({
                       <td className="px-4 py-3 text-gray-600">{user.groups?.join('、') || '—'}</td>
                       <td className="px-4 py-3">
                         <span
-                          className={`inline-flex items-center rounded-full px-2 py-1 text-xs font-medium ${user.active ? 'bg-green-100 text-green-700' : 'bg-red-100 text-red-700'
-                            }`}
+                          className={`inline-flex items-center rounded-full px-2 py-1 text-xs font-medium ${user.active ? 'bg-green-100 text-green-700' : 'bg-red-100 text-red-700'}`}
                         >
                           {user.active ? '活跃' : '已暂停'}
                         </span>
diff --git a/src/modules/extensions/builtin/user-center/routes/management.tsx b/src/modules/extensions/builtin/user-center/routes/management.tsx
index 7f45960..3ec6fb0 100644
--- a/src/modules/extensions/builtin/user-center/routes/management.tsx
+++ b/src/modules/extensions/builtin/user-center/routes/management.tsx
@@ -9,7 +9,10 @@ import OverviewCards, { type MetricsOverview } from '../management/components/Ov
 import PermissionMatrixEditor, {
   type PermissionMatrix,
 } from '../management/components/PermissionMatrixEditor'
-import UserGroupManagement, { type ManagedUser } from '../management/components/UserGroupManagement'
+import UserGroupManagement, {
+  type ManagedUser,
+  type CreateManagedUserInput,
+} from '../management/components/UserGroupManagement'
 import { EmailBlacklist } from '../management/components/EmailBlacklist'
 import { resolveAccess } from '@lib/accessControl'
 import { useUserStore } from '@lib/userStore'
@@ -64,6 +67,7 @@ export default function UserCenterManagementRoute() {
   const canAccess = accessDecision.allowed
   const canEditPermissions = Boolean(user?.isAdmin)
   const canEditRoles = Boolean(user?.isAdmin)
+  const canCreateCustomUser = Boolean(user?.isAdmin && user?.username?.trim().toLowerCase() === 'root')
 
   const [matrixDraft, setMatrixDraft] = useState<PermissionMatrix>({})
   const [matrixVersion, setMatrixVersion] = useState<number>(0)
@@ -288,6 +292,23 @@ export default function UserCenterManagementRoute() {
     }
   }, [usersSWR])
 
+  const handleCreateCustomUser = useCallback(async (input: CreateManagedUserInput) => {
+    if (!canCreateCustomUser) {
+      throw new Error('仅 root 管理员可创建自定义 UUID 用户')
+    }
+
+    await jsonFetcher('/api/admin/users', {
+      method: 'POST',
+      body: JSON.stringify({
+        email: input.email,
+        uuid: input.uuid,
+        groups: input.groups,
+      }),
+    })
+
+    await usersSWR.mutate()
+  }, [canCreateCustomUser, usersSWR])
+
   const matrixPending = matrixSaving || isUserLoading
   const metricsLoading = metricsSWR.isLoading
   const settingsLoading = settingsSWR.isLoading
@@ -323,11 +344,13 @@ export default function UserCenterManagementRoute() {
         isLoading={usersLoading}
         onRoleChange={handleRoleChange}
         canEditRoles={canEditRoles}
+        canCreateCustomUser={canCreateCustomUser}
         pendingUserIds={pendingRoleUpdates}
         onPauseUser={handlePauseUser}
         onResumeUser={handleResumeUser}
         onDeleteUser={handleDeleteUser}
         onRenewUuid={handleRenewUuid}
+        onCreateCustomUser={handleCreateCustomUser}
         onManageBlacklist={() => setIsBlacklistOpen(true)}
       />
       <EmailBlacklist isOpen={isBlacklistOpen} onClose={() => setIsBlacklistOpen(false)} />