diff --git a/apps/admin/src/pages/Occupancies/index.tsx b/apps/admin/src/pages/Occupancies/index.tsx
index acb0407..89b3e8b 100644
--- a/apps/admin/src/pages/Occupancies/index.tsx
+++ b/apps/admin/src/pages/Occupancies/index.tsx
@@ -34,6 +34,7 @@ const OccupanciesPage: React.FC = () => {
   const [data, setData] = useState<any[]>([]);
   const [students, setStudents] = useState<any[]>([]);
   const [rooms, setRooms] = useState<any[]>([]);
+  const [tenants, setTenants] = useState<any[]>([]);
   const [loading, setLoading] = useState(false);
   const [checkInModal, setCheckInModal] = useState(false);
   const [checkOutModal, setCheckOutModal] = useState<any>(null);
@@ -52,14 +53,16 @@ const OccupanciesPage: React.FC = () => {
   const fetchData = async () => {
     setLoading(true);
     try {
-      const [occ, stu, rm]: any[] = await Promise.all([
+      const [occ, stu, rm, tn]: any[] = await Promise.all([
         api.get('/occupancies', { params: { active: showActive ? 'true' : undefined } }),
         api.get('/students'),
         api.get('/rooms/overview'),
+        api.get('/tenants'),
       ]);
       setData(occ);
       setStudents(stu);
       setRooms(rm);
+      setTenants(tn);
     } catch (e) {
       console.error(e);
     }
@@ -89,6 +92,8 @@ const OccupanciesPage: React.FC = () => {
         roomId: values.roomId,
         checkInDate: values.checkInDate.format('YYYY-MM-DD'),
         billingStartDate: values.billingStartDate?.format('YYYY-MM-DD'),
+        rentalType: values.rentalType,
+        tenantId: values.tenantId,
         notes: values.notes,
       });
       message.success('入住登记成功');
@@ -508,6 +513,28 @@ const OccupanciesPage: React.FC = () => {
               format="YYYY-MM-DD"
             />
           </Form.Item>
+          <Form.Item name="rentalType" label="租赁类型">
+            <Select
+              allowClear
+              options={[
+                { value: 'short', label: '短租' },
+                { value: 'long', label: '长租' },
+              ]}
+              placeholder="默认为短租"
+            />
+          </Form.Item>
+          <Form.Item name="tenantId" label="关联单位">
+            <Select
+              showSearch
+              allowClear
+              optionFilterProp="label"
+              placeholder="选择关联单位"
+              options={tenants.map((t: { id: number; name: string }) => ({
+                value: t.id,
+                label: t.name,
+              }))}
+            />
+          </Form.Item>
           <Form.Item name="notes" label="备注">
             <Input.TextArea rows={2} />
           </Form.Item>
diff --git a/apps/admin/src/pages/Rooms/index.tsx b/apps/admin/src/pages/Rooms/index.tsx
index c36b864..1b77d31 100644
--- a/apps/admin/src/pages/Rooms/index.tsx
+++ b/apps/admin/src/pages/Rooms/index.tsx
@@ -422,6 +422,19 @@ const RoomsPage: React.FC = () => {
               placeholder="留空自动解析"
             />
           </Form.Item>
+          <Form.Item name="rentalCategory" label="租赁类别">
+            <Select
+              allowClear
+              options={[
+                { value: 'short', label: '短租' },
+                { value: 'long', label: '长租' },
+              ]}
+              placeholder="默认为短租"
+            />
+          </Form.Item>
+          <Form.Item name="monthlyRate" label="月租金">
+            <InputNumber min={0} precision={2} style={{ width: '100%' }} placeholder="长租月租金" />
+          </Form.Item>
           {editing && (
             <Form.Item name="status" label="状态">
               <Select
diff --git a/apps/server/src/entities/occupancy.entity.ts b/apps/server/src/entities/occupancy.entity.ts
index ba46119..1ead54b 100644
--- a/apps/server/src/entities/occupancy.entity.ts
+++ b/apps/server/src/entities/occupancy.entity.ts
@@ -8,6 +8,7 @@ import {
 } from 'typeorm';
 import { Student } from './student.entity';
 import { Room } from './room.entity';
+import { Tenant } from './tenant.entity';
 
 @Entity('occupancies')
 export class Occupancy {
@@ -38,6 +39,16 @@ export class Occupancy {
   @Column({ type: 'text', nullable: true })
   notes: string;
 
+  @Column({ name: 'rental_type', length: 10, default: 'short' })
+  rentalType: string;
+
+  @Column({ name: 'tenant_id', type: 'integer', nullable: true })
+  tenantId: number;
+
+  @ManyToOne(() => Tenant, { nullable: true })
+  @JoinColumn({ name: 'tenant_id' })
+  tenant: Tenant;
+
   @CreateDateColumn({ name: 'created_at' })
   createdAt: Date;
 
diff --git a/apps/server/src/entities/room.entity.ts b/apps/server/src/entities/room.entity.ts
index 4d81bd5..8ab05c6 100644
--- a/apps/server/src/entities/room.entity.ts
+++ b/apps/server/src/entities/room.entity.ts
@@ -28,6 +28,12 @@ export class Room {
   @Column({ length: 10, nullable: true })
   gender: string;
 
+  @Column({ name: 'rental_category', length: 10, default: 'short' })
+  rentalCategory: string;
+
+  @Column({ name: 'monthly_rate', type: 'decimal', precision: 10, scale: 2, default: 0 })
+  monthlyRate: number;
+
   @CreateDateColumn({ name: 'created_at' })
   createdAt: Date;
 
diff --git a/apps/server/src/entities/student.entity.ts b/apps/server/src/entities/student.entity.ts
index 7aa4c8b..72b8764 100644
--- a/apps/server/src/entities/student.entity.ts
+++ b/apps/server/src/entities/student.entity.ts
@@ -4,11 +4,14 @@ import {
   Column,
   CreateDateColumn,
   UpdateDateColumn,
+  ManyToOne,
+  JoinColumn,
   OneToMany,
 } from 'typeorm';
 import { Occupancy } from './occupancy.entity';
 import { PersonalExpense } from './personal-expense.entity';
 import { Bill } from './bill.entity';
+import { Tenant } from './tenant.entity';
 
 @Entity('students')
 export class Student {
@@ -54,6 +57,13 @@ export class Student {
   @OneToMany(() => Occupancy, (o) => o.student)
   occupancies: Occupancy[];
 
+  @Column({ name: 'tenant_id', type: 'integer', nullable: true })
+  tenantId: number;
+
+  @ManyToOne(() => Tenant, { nullable: true })
+  @JoinColumn({ name: 'tenant_id' })
+  tenant: Tenant;
+
   @OneToMany(() => PersonalExpense, (e) => e.student)
   personalExpenses: PersonalExpense[];
 
diff --git a/apps/server/src/occupancies/dto/occupancy.dto.ts b/apps/server/src/occupancies/dto/occupancy.dto.ts
index 3615c74..d430610 100644
--- a/apps/server/src/occupancies/dto/occupancy.dto.ts
+++ b/apps/server/src/occupancies/dto/occupancy.dto.ts
@@ -17,6 +17,14 @@ export class CheckInDto {
   @IsOptional()
   @IsString()
   notes?: string;
+
+  @IsOptional()
+  @IsString()
+  rentalType?: string;
+
+  @IsOptional()
+  @IsInt()
+  tenantId?: number;
 }
 
 export class CheckOutDto {
diff --git a/apps/server/src/occupancies/occupancies.service.ts b/apps/server/src/occupancies/occupancies.service.ts
index 5e7a74a..dcc8104 100644
--- a/apps/server/src/occupancies/occupancies.service.ts
+++ b/apps/server/src/occupancies/occupancies.service.ts
@@ -65,6 +65,8 @@ export class OccupanciesService {
       roomId: dto.roomId,
       checkInDate: dto.checkInDate,
       billingStartDate: dto.billingStartDate || dto.checkInDate,
+      rentalType: dto.rentalType,
+      tenantId: dto.tenantId,
       notes: dto.notes,
     });
     const saved = await this.repo.save(occ);
diff --git a/apps/server/src/rooms/dto/room.dto.ts b/apps/server/src/rooms/dto/room.dto.ts
index 4cb37a9..4dac4dc 100644
--- a/apps/server/src/rooms/dto/room.dto.ts
+++ b/apps/server/src/rooms/dto/room.dto.ts
@@ -1,4 +1,4 @@
-import { IsString, IsOptional, IsInt, IsEnum, Min } from 'class-validator';
+import { IsString, IsOptional, IsInt, IsEnum, Min, IsNumber } from 'class-validator';
 
 export class CreateRoomDto {
   @IsString()
@@ -19,6 +19,14 @@ export class CreateRoomDto {
   @IsOptional()
   @IsString()
   roomType?: string;
+
+  @IsOptional()
+  @IsString()
+  rentalCategory?: string;
+
+  @IsOptional()
+  @IsNumber()
+  monthlyRate?: number;
 }
 
 export class UpdateRoomDto {
@@ -50,4 +58,12 @@ export class UpdateRoomDto {
   @IsOptional()
   @IsEnum(['available', 'full', 'maintenance'])
   status?: string;
+
+  @IsOptional()
+  @IsString()
+  rentalCategory?: string;
+
+  @IsOptional()
+  @IsNumber()
+  monthlyRate?: number;
 }