diff --git a/apps/admin-web/src/lib/hq-log.ts b/apps/admin-web/src/lib/hq-log.ts
index 9eebfc8..9122d68 100644
--- a/apps/admin-web/src/lib/hq-log.ts
+++ b/apps/admin-web/src/lib/hq-log.ts
@@ -5,6 +5,7 @@ export const HQ_OPERATION_ACTION_OPTIONS = [
   { value: 'PARTNER_UPDATE', label: '编辑城市合伙人' },
   { value: 'PARTNER_ACCOUNT_CREATE', label: '新增合伙人账户' },
   { value: 'PARTNER_ACCOUNT_UPDATE', label: '编辑合伙人账户' },
+  { value: 'PARTNER_ACCOUNT_DELETE', label: '删除合伙人子账号' },
   { value: 'HQ_ACCOUNT_CREATE', label: '新增 HQ 管理员' },
   { value: 'HQ_ACCOUNT_UPDATE', label: '编辑 HQ 管理员' },
   { value: 'HQ_PERMISSION_UPDATE', label: '配置 HQ 权限' },
diff --git a/apps/admin-web/src/pages/PartnerAccountsPage.tsx b/apps/admin-web/src/pages/PartnerAccountsPage.tsx
index 8fb3d31..3177781 100644
--- a/apps/admin-web/src/pages/PartnerAccountsPage.tsx
+++ b/apps/admin-web/src/pages/PartnerAccountsPage.tsx
@@ -1,15 +1,27 @@
-import { useState } from 'react';
+import { useCallback, useEffect, useState } from 'react';
 import {
-  Button, Drawer, Form, Input, Modal, Select, Space, Table, Tabs, Tag, Typography, message,
+  Button, Drawer, Form, Input, Modal, Popconfirm, Select, Space, Table, Tabs, Tag, Typography, message,
 } from 'antd';
 import type { ColumnsType } from 'antd/es/table';
+import { PARTNER_STAFF_ROLE_LABELS } from '@dukang/shared-types';
 import { request, type Paginated } from '../lib/api';
+import { AdminCellLine } from '../components/AdminCellLine';
 import { ACCOUNT_STATUS_LABELS, ADMIN_OPTIONS_PAGE_SIZE, ORDER_STATUS_LABELS, PARTNER_BILL_STATUS_LABELS, fmtTime } from '../lib/constants';
-import { useAdminList } from '../lib/useAdminList';
 
-type Row = {
-  id: string; phone: string; name: string; status: string; isPrimary: number; createdAt: string;
+type PartnerOption = { id: string; companyName: string };
+
+type AccountTreeRow = {
+  id: string;
+  phone: string;
+  name: string;
+  status: string;
+  isPrimary: number;
+  staffRole: string | null;
+  parentAccountId: string | null;
+  createdAt: string;
+  lastLoginAt: string | null;
   partner?: { id: string; companyName: string };
+  children?: AccountTreeRow[];
 };
 
 type BillRow = {
@@ -22,40 +34,94 @@ type OrderRow = {
   user?: { userNo: string; phone: string | null };
 };
 
-type PartnerOption = { id: string; companyName: string };
+type Detail = AccountTreeRow & { bills?: BillRow[]; orders?: OrderRow[] };
 
-type Detail = Row & { bills?: BillRow[]; orders?: OrderRow[] };
+const STAFF_ROLE_OPTIONS = Object.entries(PARTNER_STAFF_ROLE_LABELS).map(([value, label]) => ({
+  value,
+  label,
+}));
+
+function filterTree(rows: AccountTreeRow[], phone?: string, status?: string): AccountTreeRow[] {
+  const phoneQ = phone?.trim();
+  const match = (row: AccountTreeRow) => {
+    const phoneOk = !phoneQ || row.phone.includes(phoneQ);
+    const statusOk = !status || row.status === status;
+    return phoneOk && statusOk;
+  };
+
+  const walk = (list: AccountTreeRow[]): AccountTreeRow[] =>
+    list
+      .map((row) => {
+        const children = row.children?.length ? walk(row.children) : undefined;
+        if (match(row) || (children && children.length > 0)) {
+          return { ...row, children: children?.length ? children : undefined };
+        }
+        return null;
+      })
+      .filter((row): row is AccountTreeRow => row !== null);
+
+  return walk(rows);
+}
 
 export default function PartnerAccountsPage() {
   const [form] = Form.useForm();
   const [editForm] = Form.useForm();
   const [createForm] = Form.useForm();
-  const [filters, setFilters] = useState<Record<string, string>>({});
-  const { data, loading, page, pageSize, setPage, setPageSize, reload } = useAdminList<Row>(
-    '/admin/partner-accounts',
-    () => {
-      const qs = new URLSearchParams();
-      if (filters.phone) qs.set('phone', filters.phone);
-      if (filters.status) qs.set('status', filters.status);
-      return qs;
-    },
-    [filters],
-  );
+  const [subForm] = Form.useForm();
+  const [filters, setFilters] = useState<{ phone?: string; status?: string; partnerId?: string }>({});
+  const [treeData, setTreeData] = useState<AccountTreeRow[]>([]);
+  const [loading, setLoading] = useState(false);
+  const [expandedRowKeys, setExpandedRowKeys] = useState<string[]>([]);
   const [detail, setDetail] = useState<Detail | null>(null);
   const [drawerOpen, setDrawerOpen] = useState(false);
   const [createOpen, setCreateOpen] = useState(false);
+  const [subOpen, setSubOpen] = useState(false);
+  const [subParent, setSubParent] = useState<AccountTreeRow | null>(null);
   const [partners, setPartners] = useState<PartnerOption[]>([]);
 
+  const loadTree = useCallback(async () => {
+    setLoading(true);
+    try {
+      const qs = new URLSearchParams();
+      if (filters.partnerId) qs.set('partnerId', filters.partnerId);
+      const path = qs.toString() ? `/admin/partner-accounts/tree?${qs}` : '/admin/partner-accounts/tree';
+      const res = await request<AccountTreeRow[]>(path);
+      setTreeData(filterTree(res, filters.phone, filters.status));
+    } finally {
+      setLoading(false);
+    }
+  }, [filters]);
+
+  useEffect(() => {
+    void loadPartners();
+  }, []);
+
+  useEffect(() => {
+    void loadTree();
+  }, [loadTree]);
+
+  useEffect(() => {
+    if (!drawerOpen || !detail) return;
+    editForm.setFieldsValue({
+      name: detail.name,
+      phone: detail.phone,
+      status: detail.status,
+    });
+  }, [drawerOpen, detail, editForm]);
+
   async function loadPartners() {
     const res = await request<Paginated<PartnerOption>>(`/admin/partners?pageSize=${ADMIN_OPTIONS_PAGE_SIZE}`);
     setPartners(res.items);
   }
 
   async function openAccount(id: string) {
-    const d = await request<Detail>(`/admin/partner-accounts/${id}`);
-    setDetail(d);
-    editForm.setFieldsValue({ name: d.name, phone: d.phone, status: d.status });
-    setDrawerOpen(true);
+    try {
+      const d = await request<Detail>(`/admin/partner-accounts/${id}`);
+      setDetail(d);
+      setDrawerOpen(true);
+    } catch (e) {
+      message.error(e instanceof Error ? e.message : '加载账户详情失败');
+    }
   }
 
   async function saveAccount() {
@@ -64,22 +130,86 @@ export default function PartnerAccountsPage() {
     await request(`/admin/partner-accounts/${detail.id}`, { method: 'PUT', body: JSON.stringify(v) });
     message.success('已保存');
     setDrawerOpen(false);
-    void reload();
+    void loadTree();
   }
 
-  const columns: ColumnsType<Row> = [
-    { title: '姓名', dataIndex: 'name', width: 100 },
+  async function deleteSubAccount(row: AccountTreeRow) {
+    await request(`/admin/partner-accounts/${row.id}`, { method: 'DELETE' });
+    message.success('子账号已删除');
+    void loadTree();
+  }
+
+  function openAddSub(parent: AccountTreeRow) {
+    setSubParent(parent);
+    subForm.resetFields();
+    subForm.setFieldsValue({ staffRole: 'INTERNAL' });
+    setSubOpen(true);
+  }
+
+  function collectExpandableKeys(rows: AccountTreeRow[]): string[] {
+    const keys: string[] = [];
+    for (const row of rows) {
+      if (row.children?.length) {
+        keys.push(row.id);
+        keys.push(...collectExpandableKeys(row.children));
+      }
+    }
+    return keys;
+  }
+
+  const columns: ColumnsType<AccountTreeRow> = [
+    {
+      title: '姓名 / 类型',
+      width: 200,
+      ellipsis: true,
+      render: (_, row) => (
+        <AdminCellLine
+          primary={row.name}
+          secondary={
+            row.parentAccountId
+              ? `子账号 · ${PARTNER_STAFF_ROLE_LABELS[row.staffRole as keyof typeof PARTNER_STAFF_ROLE_LABELS] || row.staffRole || '—'}`
+              : row.isPrimary === 1
+                ? '主账号'
+                : '合伙人账号'
+          }
+        />
+      ),
+    },
     { title: '手机', dataIndex: 'phone', width: 120 },
-    { title: '开城合伙人', dataIndex: ['partner', 'companyName'], width: 140 },
-    { title: '主账号', dataIndex: 'isPrimary', width: 80, render: (v) => (v === 1 ? '是' : '否') },
+    {
+      title: '开城合伙人',
+      width: 140,
+      ellipsis: true,
+      render: (_, row) => row.partner?.companyName || '—',
+    },
+    {
+      title: '标识',
+      width: 100,
+      render: (_, row) =>
+        row.parentAccountId ? (
+          <Tag>子账号</Tag>
+        ) : row.isPrimary === 1 ? (
+          <Tag color="blue">主账号</Tag>
+        ) : (
+          <Tag>账号</Tag>
+        ),
+    },
     { title: '状态', dataIndex: 'status', width: 80, render: (s) => <Tag>{ACCOUNT_STATUS_LABELS[s] || s}</Tag> },
     { title: '创建', dataIndex: 'createdAt', width: 160, render: fmtTime },
     {
-      title: '操作', width: 120,
+      title: '操作',
+      width: 180,
       render: (_, row) => (
-        <Space>
+        <Space size={0} wrap onClick={(e) => e.stopPropagation()}>
           <Button type="link" size="small" onClick={() => void openAccount(row.id)}>详情</Button>
-          <Button type="link" size="small" onClick={() => void openAccount(row.id)}>编辑</Button>
+          {!row.parentAccountId && row.isPrimary === 1 ? (
+            <Button type="link" size="small" onClick={() => openAddSub(row)}>添加子账号</Button>
+          ) : null}
+          {row.parentAccountId ? (
+            <Popconfirm title="确定删除该子账号？" onConfirm={() => void deleteSubAccount(row)}>
+              <Button type="link" size="small" danger>删除</Button>
+            </Popconfirm>
+          ) : null}
         </Space>
       ),
     },
@@ -105,23 +235,70 @@ export default function PartnerAccountsPage() {
   return (
     <div>
       <Space style={{ marginBottom: 16, width: '100%', justifyContent: 'space-between' }}>
-        <Typography.Title level={4} style={{ margin: 0 }}>开城合伙人账户</Typography.Title>
+        <div>
+          <Typography.Title level={4} style={{ margin: 0 }}>开城合伙人账户</Typography.Title>
+          <Typography.Text type="secondary">主账号下可展开/收起子账号，支持添加与删除子账号</Typography.Text>
+        </div>
         <Button type="primary" onClick={() => { void loadPartners(); setCreateOpen(true); }}>新建账户</Button>
       </Space>
-      <Form form={form} layout="inline" style={{ marginBottom: 16 }} onFinish={(v) => { setFilters(v); setPage(1); }}>
+      <Form
+        form={form}
+        layout="inline"
+        style={{ marginBottom: 16 }}
+        onFinish={(v) => {
+          setFilters({
+            phone: v.phone?.trim() || undefined,
+            status: v.status || undefined,
+            partnerId: v.partnerId || undefined,
+          });
+        }}
+      >
+        <Form.Item name="partnerId" label="开城合伙人">
+          <Select
+            allowClear
+            showSearch
+            optionFilterProp="label"
+            style={{ width: 180 }}
+            placeholder="全部"
+            options={partners.map((p) => ({ value: p.id, label: p.companyName }))}
+            onFocus={() => void loadPartners()}
+          />
+        </Form.Item>
         <Form.Item name="phone" label="手机"><Input allowClear /></Form.Item>
         <Form.Item name="status" label="状态">
           <Select allowClear style={{ width: 100 }} options={Object.entries(ACCOUNT_STATUS_LABELS).map(([value, label]) => ({ value, label }))} />
         </Form.Item>
-        <Form.Item><Button type="primary" htmlType="submit">查询</Button></Form.Item>
+        <Form.Item>
+          <Space>
+            <Button type="primary" htmlType="submit">查询</Button>
+            <Button onClick={() => setExpandedRowKeys(collectExpandableKeys(treeData))}>全部展开</Button>
+            <Button onClick={() => setExpandedRowKeys([])}>全部收起</Button>
+          </Space>
+        </Form.Item>
       </Form>
-      <Table rowKey="id" className="admin-table-nowrap" loading={loading} columns={columns} dataSource={data?.items ?? []} scroll={{ x: 900 }}
-        pagination={{ current: page, pageSize, total: data?.total ?? 0, showSizeChanger: true, onChange: (p, ps) => { setPage(p); setPageSize(ps); } }} />
+      <Table<AccountTreeRow>
+        rowKey="id"
+        className="admin-table-nowrap"
+        loading={loading}
+        columns={columns}
+        dataSource={treeData}
+        scroll={{ x: 1100 }}
+        pagination={false}
+        expandable={{
+          expandedRowKeys,
+          onExpandedRowsChange: (keys) => setExpandedRowKeys(keys as string[]),
+          defaultExpandAllRows: false,
+        }}
+      />
       <Drawer
-        title="编辑开城合伙人账户"
+        title={detail?.parentAccountId ? '合伙人子账号详情' : '开城合伙人账户详情'}
         width={720}
         open={drawerOpen}
-        onClose={() => setDrawerOpen(false)}
+        onClose={() => {
+          setDrawerOpen(false);
+          setDetail(null);
+        }}
+        destroyOnClose
         extra={<Button type="primary" onClick={() => void saveAccount()}>保存</Button>}
       >
         {detail && (
@@ -130,10 +307,27 @@ export default function PartnerAccountsPage() {
               key: 'info',
               label: '基本信息',
               children: (
-                <Form form={editForm} layout="vertical">
+                <Form
+                  form={editForm}
+                  layout="vertical"
+                  key={detail.id}
+                  initialValues={{
+                    name: detail.name,
+                    phone: detail.phone,
+                    status: detail.status,
+                  }}
+                >
                   <Form.Item label="开城合伙人">
                     <Input value={detail.partner?.companyName} disabled />
                   </Form.Item>
+                  {detail.parentAccountId ? (
+                    <Form.Item label="账号类型">
+                      <Input
+                        value={`子账号 · ${PARTNER_STAFF_ROLE_LABELS[detail.staffRole as keyof typeof PARTNER_STAFF_ROLE_LABELS] || detail.staffRole || '—'}`}
+                        disabled
+                      />
+                    </Form.Item>
+                  ) : null}
                   <Form.Item name="name" label="姓名" rules={[{ required: true }]}><Input /></Form.Item>
                   <Form.Item
                     name="phone"
@@ -179,7 +373,7 @@ export default function PartnerAccountsPage() {
         message.success('已创建');
         setCreateOpen(false);
         createForm.resetFields();
-        void reload();
+        void loadTree();
       }}>
         <Form form={createForm} layout="vertical">
           <Form.Item name="partnerId" label="开城合伙人" rules={[{ required: true }]}>
@@ -198,6 +392,46 @@ export default function PartnerAccountsPage() {
           </Form.Item>
         </Form>
       </Modal>
+      <Modal
+        title={subParent ? `添加子账号 · ${subParent.name}` : '添加子账号'}
+        open={subOpen}
+        onCancel={() => setSubOpen(false)}
+        onOk={async () => {
+          if (!subParent) return;
+          const v = await subForm.validateFields();
+          await request('/admin/partner-accounts', {
+            method: 'POST',
+            body: JSON.stringify({
+              partnerId: subParent.partner?.id,
+              parentAccountId: subParent.id,
+              name: v.name,
+              phone: v.phone,
+              staffRole: v.staffRole,
+            }),
+          });
+          message.success('子账号已创建');
+          setSubOpen(false);
+          setExpandedRowKeys((keys) => [...new Set([...keys, subParent.id])]);
+          void loadTree();
+        }}
+      >
+        <Form form={subForm} layout="vertical">
+          <Form.Item name="name" label="姓名" rules={[{ required: true }]}><Input /></Form.Item>
+          <Form.Item
+            name="phone"
+            label="登录手机"
+            rules={[
+              { required: true },
+              { pattern: /^1[3-9]\d{9}$/, message: '请输入正确的手机号码' },
+            ]}
+          >
+            <Input maxLength={11} />
+          </Form.Item>
+          <Form.Item name="staffRole" label="角色" rules={[{ required: true }]}>
+            <Select options={STAFF_ROLE_OPTIONS.filter((o) => o.value !== 'PARTNER')} />
+          </Form.Item>
+        </Form>
+      </Modal>
     </div>
   );
 }
diff --git a/server/dukang-api/src/common/hq-operation/hq-operation.constants.ts b/server/dukang-api/src/common/hq-operation/hq-operation.constants.ts
index 92b71f1..985a6ce 100644
--- a/server/dukang-api/src/common/hq-operation/hq-operation.constants.ts
+++ b/server/dukang-api/src/common/hq-operation/hq-operation.constants.ts
@@ -6,6 +6,7 @@ export const HqOperationAction = {
   PARTNER_UPDATE: 'PARTNER_UPDATE',
   PARTNER_ACCOUNT_CREATE: 'PARTNER_ACCOUNT_CREATE',
   PARTNER_ACCOUNT_UPDATE: 'PARTNER_ACCOUNT_UPDATE',
+  PARTNER_ACCOUNT_DELETE: 'PARTNER_ACCOUNT_DELETE',
   HQ_ACCOUNT_CREATE: 'HQ_ACCOUNT_CREATE',
   HQ_ACCOUNT_UPDATE: 'HQ_ACCOUNT_UPDATE',
   HQ_PERMISSION_UPDATE: 'HQ_PERMISSION_UPDATE',
@@ -50,6 +51,7 @@ export const HQ_OPERATION_ACTION_LABELS: Record<string, string> = {
   [HqOperationAction.PARTNER_UPDATE]: '编辑城市合伙人',
   [HqOperationAction.PARTNER_ACCOUNT_CREATE]: '新增合伙人账户',
   [HqOperationAction.PARTNER_ACCOUNT_UPDATE]: '编辑合伙人账户',
+  [HqOperationAction.PARTNER_ACCOUNT_DELETE]: '删除合伙人子账号',
   [HqOperationAction.HQ_ACCOUNT_CREATE]: '新增 HQ 管理员',
   [HqOperationAction.HQ_ACCOUNT_UPDATE]: '编辑 HQ 管理员',
   [HqOperationAction.HQ_PERMISSION_UPDATE]: '配置 HQ 权限',
diff --git a/server/dukang-api/src/modules/ops/admin-partners.controller.ts b/server/dukang-api/src/modules/ops/admin-partners.controller.ts
index bbf8edc..a27be3c 100644
--- a/server/dukang-api/src/modules/ops/admin-partners.controller.ts
+++ b/server/dukang-api/src/modules/ops/admin-partners.controller.ts
@@ -1,4 +1,4 @@
-import { Body, Controller, Get, Param, Post, Put, Query, UseGuards } from '@nestjs/common';
+import { Body, Controller, Delete, Get, Param, Post, Put, Query, UseGuards } from '@nestjs/common';
 import { HqAuthGuard } from '../../common/guards/hq-auth.guard';
 import { HqOperation } from '../../common/hq-operation/hq-operation.decorator';
 import { HqOperationAction } from '../../common/hq-operation/hq-operation.constants';
@@ -54,6 +54,11 @@ export class AdminPartnersController {
 export class AdminPartnerAccountsController {
   constructor(private readonly service: AdminPartnersService) {}
 
+  @Get('tree')
+  tree(@Query('partnerId') partnerId?: string) {
+    return this.service.listPartnerAccountTree(partnerId ? BigInt(partnerId) : undefined);
+  }
+
   @Get()
   list(@Query() query: AdminPartnerAccountsQueryDto) {
     return this.service.listPartnerAccounts(query);
@@ -85,4 +90,14 @@ export class AdminPartnerAccountsController {
   update(@Param('id') id: string, @Body() dto: UpdatePartnerAccountDto) {
     return this.service.updatePartnerAccount(BigInt(id), dto);
   }
+
+  @Delete(':id')
+  @HqOperation({
+    action: HqOperationAction.PARTNER_ACCOUNT_DELETE,
+    refType: 'PARTNER_ACCOUNT',
+    refIdParam: 'id',
+  })
+  remove(@Param('id') id: string) {
+    return this.service.deletePartnerSubAccount(BigInt(id));
+  }
 }
diff --git a/server/dukang-api/src/modules/ops/admin-partners.service.ts b/server/dukang-api/src/modules/ops/admin-partners.service.ts
index 5c2a84b..eb8c57a 100644
--- a/server/dukang-api/src/modules/ops/admin-partners.service.ts
+++ b/server/dukang-api/src/modules/ops/admin-partners.service.ts
@@ -94,10 +94,65 @@ export class AdminPartnersService {
     return serializeBigInt({ items, total, page, pageSize });
   }
 
+  async listPartnerAccountTree(partnerId?: bigint) {
+    const where: Prisma.PartnerAccountWhereInput = {};
+    if (partnerId) where.partnerId = partnerId;
+
+    const accounts = await this.prisma.partnerAccount.findMany({
+      where,
+      orderBy: [{ isPrimary: 'desc' }, { createdAt: 'asc' }],
+      include: { partner: { select: { id: true, companyName: true } } },
+    });
+
+    type TreeNode = (typeof accounts)[number] & { children: TreeNode[] };
+    const nodeMap = new Map<string, TreeNode>();
+    const roots: TreeNode[] = [];
+
+    for (const account of accounts) {
+      nodeMap.set(account.id.toString(), { ...account, children: [] });
+    }
+
+    for (const account of accounts) {
+      const node = nodeMap.get(account.id.toString())!;
+      if (account.parentAccountId) {
+        const parent = nodeMap.get(account.parentAccountId.toString());
+        if (parent) parent.children.push(node);
+        else roots.push(node);
+      } else {
+        roots.push(node);
+      }
+    }
+
+    const mapNode = (node: TreeNode) => ({
+      id: node.id,
+      phone: node.phone,
+      name: node.name,
+      status: node.status,
+      isPrimary: node.isPrimary,
+      staffRole: node.staffRole,
+      parentAccountId: node.parentAccountId,
+      partner: node.partner,
+      createdAt: node.createdAt,
+      lastLoginAt: node.lastLoginAt,
+      children: node.children.length ? node.children.map(mapNode) : undefined,
+    });
+
+    return serializeBigInt(roots.map(mapNode));
+  }
+
   async detailPartnerAccount(id: bigint) {
     const account = await this.prisma.partnerAccount.findUnique({
       where: { id },
-      include: { partner: true },
+      include: {
+        partner: {
+          select: {
+            id: true,
+            companyName: true,
+            contactPhone: true,
+            address: true,
+          },
+        },
+      },
     });
     if (!account) throw new NotFoundException('开城合伙人账号不存在');
 
@@ -126,16 +181,49 @@ export class AdminPartnersService {
   }
 
   async createPartnerAccount(dto: CreatePartnerAccountDto) {
-    const partner = await this.prisma.partner.findUnique({ where: { id: BigInt(dto.partnerId) } });
+    const phone = dto.phone.trim();
+    if (!/^1[3-9]\d{9}$/.test(phone)) {
+      throw new BadRequestException('请输入正确的手机号码');
+    }
+    const phoneTaken = await this.prisma.partnerAccount.findUnique({ where: { phone } });
+    if (phoneTaken) throw new BadRequestException('该手机号已被使用');
+
+    if (dto.parentAccountId) {
+      const parent = await this.prisma.partnerAccount.findUnique({
+        where: { id: BigInt(dto.parentAccountId) },
+      });
+      if (!parent) throw new BadRequestException('主账号不存在');
+      if (parent.isPrimary !== 1) throw new BadRequestException('仅可向主账号添加子账号');
+      if (dto.partnerId && dto.partnerId !== parent.partnerId.toString()) {
+        throw new BadRequestException('开城合伙人与主账号不匹配');
+      }
+
+      const account = await this.prisma.partnerAccount.create({
+        data: {
+          partnerId: parent.partnerId,
+          phone,
+          name: dto.name.trim(),
+          staffRole: (dto.staffRole ?? 'INTERNAL') as 'PARTNER' | 'INTERNAL' | 'PROMOTER',
+          isPrimary: 0,
+          parentAccountId: parent.id,
+          status: 'ACTIVE',
+        },
+        include: { partner: { select: { id: true, companyName: true } } },
+      });
+      return serializeBigInt(account);
+    }
+
+    const partner = await this.prisma.partner.findUnique({ where: { id: BigInt(dto.partnerId!) } });
     if (!partner) throw new BadRequestException('开城合伙人不存在');
     const account = await this.prisma.partnerAccount.create({
       data: {
         partnerId: partner.id,
-        phone: dto.phone,
-        name: dto.name,
+        phone,
+        name: dto.name.trim(),
         staffRole: dto.staffRole ? (dto.staffRole as 'PARTNER' | 'INTERNAL' | 'PROMOTER') : undefined,
         isPrimary: 0,
       },
+      include: { partner: { select: { id: true, companyName: true } } },
     });
     return serializeBigInt(account);
   }
@@ -162,4 +250,14 @@ export class AdminPartnersService {
     const account = await this.prisma.partnerAccount.update({ where: { id }, data });
     return serializeBigInt(account);
   }
+
+  async deletePartnerSubAccount(id: bigint) {
+    const account = await this.prisma.partnerAccount.findUnique({ where: { id } });
+    if (!account) throw new NotFoundException('开城合伙人账号不存在');
+    if (!account.parentAccountId) {
+      throw new BadRequestException('仅可删除子账号');
+    }
+    await this.prisma.partnerAccount.delete({ where: { id } });
+    return { ok: true };
+  }
 }
diff --git a/server/dukang-api/src/modules/ops/dto/admin-mutate.dto.ts b/server/dukang-api/src/modules/ops/dto/admin-mutate.dto.ts
index 71f0694..4e2c4cd 100644
--- a/server/dukang-api/src/modules/ops/dto/admin-mutate.dto.ts
+++ b/server/dukang-api/src/modules/ops/dto/admin-mutate.dto.ts
@@ -211,9 +211,10 @@ export class UpdatePartnerAccountDto {
 }
 
 export class CreatePartnerAccountDto {
+  @ValidateIf((o: CreatePartnerAccountDto) => !o.parentAccountId)
   @IsString()
   @IsNotEmpty()
-  partnerId: string;
+  partnerId?: string;
 
   @IsString()
   @IsNotEmpty()
@@ -226,6 +227,11 @@ export class CreatePartnerAccountDto {
   @IsOptional()
   @IsIn(['PARTNER', 'INTERNAL', 'PROMOTER'])
   staffRole?: string;
+
+  /** 主账号 ID；传入则创建子账号 */
+  @IsOptional()
+  @IsString()
+  parentAccountId?: string;
 }
 
 export class CreateCityDto {