diff --git a/config/routes.ts b/config/routes.ts
index e2b1ecd..6d77756 100644
--- a/config/routes.ts
+++ b/config/routes.ts
@@ -259,6 +259,17 @@ export default [
     name: 'company',
     path: '/company',
     routes: [
+      {
+        name: '企业列表',
+        path: '/company/list',
+        component: './Company/List',
+      },
+      {
+        name: '未参加招聘会详情',
+        path: '/company/list/missed-outdoor-fairs',
+        component: './Company/List/MissedOutdoorFairs',
+        hideInMenu: true,
+      },
       {
         name: '企业信息',
         path: '/company/info/index',
diff --git a/src/pages/Company/List/MissedOutdoorFairs/index.tsx b/src/pages/Company/List/MissedOutdoorFairs/index.tsx
new file mode 100644
index 0000000..dd561c8
--- /dev/null
+++ b/src/pages/Company/List/MissedOutdoorFairs/index.tsx
@@ -0,0 +1,58 @@
+import React from 'react';
+import { history, useSearchParams } from '@umijs/max';
+import { ActionType, PageContainer, ProColumns, ProTable } from '@ant-design/pro-components';
+import { Button, message } from 'antd';
+import { ArrowLeftOutlined } from '@ant-design/icons';
+import { getCmsCompanyMissedOutdoorFairs } from '@/services/company/list';
+
+const MissedOutdoorFairs: React.FC = () => {
+  const [searchParams] = useSearchParams();
+  const companyId = Number(searchParams.get('companyId'));
+
+  const columns: ProColumns<API.CompanyList.MissedOutdoorFair>[] = [
+    { title: '招聘会名称', dataIndex: 'title', ellipsis: true },
+    { title: '举办单位', dataIndex: 'hostUnit', ellipsis: true },
+    { title: '举办地址', dataIndex: 'address', ellipsis: true },
+    { title: '举办开始时间', dataIndex: 'holdTime', valueType: 'dateTime', width: 180 },
+    { title: '举办结束时间', dataIndex: 'endTime', valueType: 'dateTime', width: 180 },
+    { title: '报名时间', dataIndex: 'registrationTime', valueType: 'dateTime', width: 180 },
+  ];
+
+  return (
+    <PageContainer
+      header={{
+        title: '未参加招聘会详情',
+        extra: [
+          <Button key="back" icon={<ArrowLeftOutlined />} onClick={() => history.back()}>
+            返回企业列表
+          </Button>,
+        ],
+      }}
+    >
+      <ProTable<API.CompanyList.MissedOutdoorFair>
+        rowKey="fairId"
+        columns={columns}
+        search={false}
+        options={false}
+        pagination={{ pageSize: 10 }}
+        request={async (params) => {
+          if (!companyId) {
+            message.error('缺少企业ID');
+            return { data: [], total: 0, success: false };
+          }
+          const res = await getCmsCompanyMissedOutdoorFairs(companyId, {
+            current: params.current,
+            pageSize: params.pageSize,
+          });
+          return {
+            data: res.rows || [],
+            total: res.total || 0,
+            success: res.code === 200,
+          };
+        }}
+      />
+    </PageContainer>
+  );
+};
+
+export default MissedOutdoorFairs;
diff --git a/src/pages/Company/List/index.tsx b/src/pages/Company/List/index.tsx
index 40ee021..8896fa2 100644
--- a/src/pages/Company/List/index.tsx
+++ b/src/pages/Company/List/index.tsx
@@ -1,5 +1,5 @@
 import React, { Fragment, useEffect, useRef, useState } from 'react';
-import { FormattedMessage, useAccess } from '@umijs/max';
+import { FormattedMessage, history, useAccess } from '@umijs/max';
 import { Button, FormInstance, message, Modal, Tag } from 'antd';
 import { ActionType, ProColumns, ProTable } from '@ant-design/pro-components';
 import { DeleteOutlined, FormOutlined, PlusOutlined, AlignLeftOutlined, AuditOutlined } from '@ant-design/icons';
@@ -196,6 +196,34 @@ function ManagementList() {
         return <Tag color="orange">待审核</Tag>;
       },
     },
+    {
+      title: '招聘会参会情况',
+      dataIndex: 'missedOutdoorFairOnly',
+      valueType: 'select',
+      hideInTable: true,
+      valueEnum: {
+        true: { text: '有未参加招聘会记录' },
+      },
+    },
+    {
+      title: '未参加招聘会详情',
+      dataIndex: 'missedOutdoorFairCount',
+      hideInSearch: true,
+      align: 'center',
+      render: (_, record) => {
+        const count = record.missedOutdoorFairCount || 0;
+        if (!count) return '0';
+        return (
+          <Button
+            type="link"
+            size="small"
+            onClick={() => history.push(`/company/list/missed-outdoor-fairs?companyId=${record.companyId}`)}
+          >
+            {count} 场详情
+          </Button>
+        );
+      },
+    },
     {
       title: '驳回原因',
       dataIndex: 'notPassReason',
diff --git a/src/pages/Jobfair/Outdoorfair/Detail/components/CompanyAttendanceTab.tsx b/src/pages/Jobfair/Outdoorfair/Detail/components/CompanyAttendanceTab.tsx
new file mode 100644
index 0000000..c733f02
--- /dev/null
+++ b/src/pages/Jobfair/Outdoorfair/Detail/components/CompanyAttendanceTab.tsx
@@ -0,0 +1,85 @@
+import React from 'react';
+import { Card, Col, Row, Tag } from 'antd';
+import { ProColumns, ProTable } from '@ant-design/pro-components';
+import {
+  getOutdoorFairCompanyAttendanceList,
+} from '@/services/jobportal/outdoorFairDetail';
+import type { OutdoorFairCompanyAttendanceItem } from '@/services/jobportal/outdoorFairDetail';
+
+interface Props {
+  fairId: number;
+}
+
+const columns: ProColumns<OutdoorFairCompanyAttendanceItem>[] = [
+  { title: '企业名称', dataIndex: 'companyName', ellipsis: true },
+  {
+    title: '行业',
+    dataIndex: 'industry',
+    hideInSearch: true,
+    render: (_, record) => record.industry || '--',
+  },
+  {
+    title: '联系人',
+    dataIndex: 'contactPerson',
+    hideInSearch: true,
+    render: (_, record) => record.contactPerson || '--',
+  },
+  {
+    title: '签到时间',
+    dataIndex: 'checkInTime',
+    valueType: 'dateTime',
+    hideInSearch: true,
+    render: (_, record) => record.checkInTime || '--',
+  },
+];
+
+const CompanyAttendanceList: React.FC<{ fairId: number; checkedIn: boolean }> = ({
+  fairId,
+  checkedIn,
+}) => (
+  <ProTable<OutdoorFairCompanyAttendanceItem>
+    rowKey="id"
+    columns={columns}
+    search={{ labelWidth: 'auto' }}
+    options={false}
+    pagination={{ pageSize: 8 }}
+    request={async (params) => {
+      const res = await getOutdoorFairCompanyAttendanceList(fairId, {
+        current: params.current,
+        pageSize: params.pageSize,
+        companyName: params.companyName,
+        checkedIn,
+      });
+      return {
+        data: res.rows || [],
+        total: res.total || 0,
+        success: res.code === 200,
+      };
+    }}
+  />
+);
+
+const CompanyAttendanceTab: React.FC<Props> = ({ fairId }) => (
+  <Row gutter={16} align="top">
+    <Col span={12}>
+      <Card
+        title="已签到企业"
+        extra={<Tag color="green">已签到</Tag>}
+        bodyStyle={{ padding: 0 }}
+      >
+        <CompanyAttendanceList fairId={fairId} checkedIn />
+      </Card>
+    </Col>
+    <Col span={12}>
+      <Card
+        title="未签到企业"
+        extra={<Tag color="orange">未签到</Tag>}
+        bodyStyle={{ padding: 0 }}
+      >
+        <CompanyAttendanceList fairId={fairId} checkedIn={false} />
+      </Card>
+    </Col>
+  </Row>
+);
+
+export default CompanyAttendanceTab;
diff --git a/src/pages/Jobfair/Outdoorfair/Detail/index.tsx b/src/pages/Jobfair/Outdoorfair/Detail/index.tsx
index 80fb7c7..cffb95c 100644
--- a/src/pages/Jobfair/Outdoorfair/Detail/index.tsx
+++ b/src/pages/Jobfair/Outdoorfair/Detail/index.tsx
@@ -11,6 +11,7 @@ import ParticipatingCompaniesTab from './components/ParticipatingCompaniesTab';
 import ParticipatingJobsTab from './components/ParticipatingJobsTab';
 import CompanyUnsubscribeTab from './components/CompanyUnsubscribeTab';
 import AttendeeTab from './components/AttendeeTab';
+import CompanyAttendanceTab from './components/CompanyAttendanceTab';
 import DeviceTab from './components/DeviceTab';
 
 const OutdoorFairDetail: React.FC = () => {
@@ -43,6 +44,7 @@ const OutdoorFairDetail: React.FC = () => {
   const tabItems = [
     { key: 'fair-info', label: '招聘会管理' },
     { key: 'participating-companies', label: '参会企业' },
+    { key: 'company-attendance', label: '企业签到' },
     { key: 'company-unsubscribe', label: '企业退订' },
     { key: 'participating-jobs', label: '参会岗位' },
     { key: 'attendee', label: '参会人员管理' },
@@ -88,6 +90,8 @@ const OutdoorFairDetail: React.FC = () => {
                     return <BoothTab fairId={fairId} fairInfo={fairInfo} />;
                   case 'participating-companies':
                     return <ParticipatingCompaniesTab fairId={fairId} />;
+                  case 'company-attendance':
+                    return <CompanyAttendanceTab fairId={fairId} />;
                   case 'company-unsubscribe':
                     return <CompanyUnsubscribeTab fairId={fairId} />;
                   case 'participating-jobs':
diff --git a/src/pages/Jobfair/Outdoorfair/index.tsx b/src/pages/Jobfair/Outdoorfair/index.tsx
index 7159629..5c43c93 100644
--- a/src/pages/Jobfair/Outdoorfair/index.tsx
+++ b/src/pages/Jobfair/Outdoorfair/index.tsx
@@ -10,6 +10,7 @@ import {
   QrcodeOutlined,
   UnorderedListOutlined,
   ExportOutlined,
+  CheckOutlined,
 } from '@ant-design/icons';
 import {
   getOutdoorFairList,
@@ -20,6 +21,7 @@ import {
   signupOutdoorFair,
   unsubscribeOutdoorFair,
   getMyOutdoorFairQrCode,
+  checkInOutdoorFair,
   getOutdoorFairMiniProgramQrCode,
   exportOutdoorFair,
 } from '@/services/jobportal/outdoorFair';
@@ -193,6 +195,16 @@ const OutdoorFairList: React.FC = () => {
     }
   };
 
+  const handleCheckIn = async (record: OutdoorFairItem) => {
+    const res = await checkInOutdoorFair(record.id);
+    if (res.code === 200) {
+      message.success('签到成功');
+      actionRef.current?.reload();
+    } else {
+      message.error(res.msg || '签到失败');
+    }
+  };
+
   const openQrCode = async (record: OutdoorFairItem) => {
     const res = await getMyOutdoorFairQrCode(record.id);
     if (res.code === 200) {
@@ -451,7 +463,7 @@ const OutdoorFairList: React.FC = () => {
     {
       title: '操作',
       valueType: 'option',
-      width: isEnterprise ? 520 : 260,
+      width: isEnterprise ? 620 : 260,
       fixed: 'right',
       render: (_, record) => [
         isEnterprise && !record.signedUp ? (
@@ -475,6 +487,29 @@ const OutdoorFairList: React.FC = () => {
             添加岗位
           </Button>
         ) : null,
+        isEnterprise &&
+        record.signedUp &&
+        record.reviewStatus === '1' &&
+        record.companyCheckInStatus === 'checked_in' ? (
+          <Button key="checkedIn" type="link" size="small" icon={<CheckOutlined />} disabled>
+            已签到
+          </Button>
+        ) : null,
+        isEnterprise &&
+        record.signedUp &&
+        record.reviewStatus === '1' &&
+        record.companyCheckInStatus !== 'checked_in' &&
+        record.companyCheckInAllowed ? (
+          <Button
+            key="checkIn"
+            type="link"
+            size="small"
+            icon={<CheckOutlined />}
+            onClick={() => handleCheckIn(record)}
+          >
+            签到
+          </Button>
+        ) : null,
         isEnterprise && record.signedUp && record.reviewStatus === '1' ? (
           <Button
             key="jobs"
diff --git a/src/services/company/list.ts b/src/services/company/list.ts
index 3e38b30..7b81981 100644
--- a/src/services/company/list.ts
+++ b/src/services/company/list.ts
@@ -59,6 +59,22 @@ export async function getCmsCompanyDetail(companyId: number | string) {
   });
 }
 
+/** 获取企业未参加的已结束户外招聘会明细。 */
+export async function getCmsCompanyMissedOutdoorFairs(
+  companyId: number | string,
+  params?: { current?: number; pageSize?: number },
+) {
+  return request<{
+    code: number;
+    msg?: string;
+    total: number;
+    rows: API.CompanyList.MissedOutdoorFair[];
+  }>(`/api/cms/company/${companyId}/missed-outdoor-fairs`, {
+    method: 'GET',
+    params,
+  });
+}
+
 /** 获取当前企业用户关联的企业信息 */
 export async function getCmsCurrentCompany() {
   return request<{
diff --git a/src/services/jobportal/outdoorFair.ts b/src/services/jobportal/outdoorFair.ts
index 48016f3..8b07658 100644
--- a/src/services/jobportal/outdoorFair.ts
+++ b/src/services/jobportal/outdoorFair.ts
@@ -58,6 +58,12 @@ export interface OutdoorFairItem {
   reviewStatus?: string;
   /** 当前企业报名审核备注 */
   reviewRemark?: string;
+  /** 当前企业签到状态：not_checked_in/checked_in */
+  companyCheckInStatus?: 'not_checked_in' | 'checked_in';
+  /** 当前企业签到时间 */
+  companyCheckInTime?: string;
+  /** 当前企业当前是否允许签到 */
+  companyCheckInAllowed?: boolean;
   createTime?: string;
   updateTime?: string;
 }
@@ -70,6 +76,14 @@ export interface OutdoorFairListParams {
   region?: string;
   venueId?: number;
   onlineApply?: boolean;
+  /** 举办开始时间下限 */
+  startTime?: string;
+  /** 举办结束时间上限 */
+  endTime?: string;
+  /** 报名开始时间下限 */
+  applyStartTime?: string;
+  /** 报名截止时间上限 */
+  applyEndTime?: string;
   current?: number;
   pageSize?: number;
 }
@@ -343,6 +357,25 @@ export async function getMyOutdoorFairQrCode(fairId: number) {
   );
 }
 
+/**
+ * 当前企业在招聘会举办期间签到
+ * POST /api/cms/outdoor-fair/{fairId}/company/check-in
+ */
+export async function checkInOutdoorFair(fairId: number) {
+  return request<{
+    code: number;
+    msg?: string;
+    data?: {
+      fairId: number;
+      companyId: number;
+      checkInTime: string;
+      attendanceStatus: 'checked_in';
+    };
+  }>(`${CMS_OUTDOOR_FAIR_BASE}/${fairId}/company/check-in`, {
+    method: 'POST',
+  });
+}
+
 /**
  * 管理员获取招聘会微信小程序码
  * GET /api/cms/outdoor-fair/{fairId}/mini-program-qrcode
diff --git a/src/services/jobportal/outdoorFairDetail.ts b/src/services/jobportal/outdoorFairDetail.ts
index c575f4e..22b60a4 100644
--- a/src/services/jobportal/outdoorFairDetail.ts
+++ b/src/services/jobportal/outdoorFairDetail.ts
@@ -19,6 +19,21 @@ type GateEntryLog = API.OutdoorFairDetail.GateEntryLog;
 type FairStatistics = API.OutdoorFairDetail.FairStatistics;
 type CompanyQrCodeInfo = API.OutdoorFairDetail.CompanyQrCodeInfo;
 
+export interface OutdoorFairCompanyAttendanceItem {
+  id: number;
+  fairId: number;
+  companyId: number;
+  companyName: string;
+  industry?: string;
+  scale?: string;
+  contactPerson?: string;
+  contactPhone?: string;
+  reviewTime?: string;
+  registrationTime?: string;
+  attendanceStatus: '0' | '1';
+  checkInTime?: string;
+}
+
 // ==================== 模块1: 招聘会管理 假数据 ====================
 
 const MOCK_COMPANIES: ParticipatingCompany[] = [
@@ -1016,6 +1031,11 @@ export async function getParticipatingCompanies(
     current?: number;
     pageSize?: number;
     companyName?: string;
+    reviewStatus?: string;
+    /** 报名时间下限 */
+    startTime?: string;
+    /** 报名时间上限 */
+    endTime?: string;
   },
 ) {
   return request<{ code: number; msg?: string; total: number; rows: ParticipatingCompany[] }>(
@@ -1027,6 +1047,27 @@ export async function getParticipatingCompanies(
   );
 }
 
+/** 获取招聘会企业签到列表。 */
+export async function getOutdoorFairCompanyAttendanceList(
+  fairId: number,
+  params?: {
+    current?: number;
+    pageSize?: number;
+    companyName?: string;
+    checkedIn?: boolean;
+  },
+) {
+  return request<{
+    code: number;
+    msg?: string;
+    total: number;
+    rows: OutdoorFairCompanyAttendanceItem[];
+  }>(`/api/cms/outdoor-fair/${fairId}/company-attendance`, {
+    method: 'GET',
+    params,
+  });
+}
+
 /** 获取招聘会企业退订记录。 */
 export async function getCompanyUnsubscribes(
   fairId: number,
diff --git a/src/types/company/list.d.ts b/src/types/company/list.d.ts
index 900e033..ffb0399 100644
--- a/src/types/company/list.d.ts
+++ b/src/types/company/list.d.ts
@@ -1,4 +1,14 @@
 declare namespace API.CompanyList {
+  export interface MissedOutdoorFair {
+    fairId: number;
+    title: string;
+    hostUnit?: string;
+    address?: string;
+    holdTime?: string;
+    endTime?: string;
+    registrationTime?: string;
+  }
+
   export interface CompanyListResult {
     total: number;
     rows: RootObjectRows[];
@@ -30,6 +40,7 @@ declare namespace API.CompanyList {
     notPassReason?: string;
     updateTime?: string;
     status?: 0 | 1 | 2; // 0 待审核, 1 通过, 2 驳回
+    missedOutdoorFairCount?: number;
   }
 
   export interface Params {
@@ -51,5 +62,7 @@ declare namespace API.CompanyList {
     status?: 0 | 1 | 2;
     startDate?: string;
     endDate?: string;
+    /** 仅查看有未参加已结束户外招聘会记录的企业。 */
+    missedOutdoorFairOnly?: boolean;
   }
 }
diff --git a/src/types/jobfair/outdoorFairDetail.d.ts b/src/types/jobfair/outdoorFairDetail.d.ts
index b3fd50e..3192f87 100644
--- a/src/types/jobfair/outdoorFairDetail.d.ts
+++ b/src/types/jobfair/outdoorFairDetail.d.ts
@@ -30,6 +30,12 @@ declare namespace API.OutdoorFairDetail {
     reviewBy?: string;
     reviewTime?: string;
     reviewRemark?: string;
+    /** 企业报名时间。 */
+    registrationTime?: string;
+    /** 企业签到状态：not_checked_in/checked_in。 */
+    companyCheckInStatus?: 'not_checked_in' | 'checked_in';
+    /** 企业签到时间。 */
+    companyCheckInTime?: string;
     /** 仅兼容旧 mock 数据，真实企业接口不再返回岗位列表。 */
     jobList?: PostedJob[];
   }