调整房表生成国籍选项

client/src/tests/roomingListService.spec.ts

@@ -19,7 +19,7 @@ function createInput(): RoomingListGenerationInput {
     departure: '2026-05-16',
     roomType: 'DLX',
     paymentType: 'CA',
-    nationality: 'CHN',
+    nationality: 'CN',
   }
 }
 
@@ -80,7 +80,7 @@ describe('roomingListService', () => {
     expect(formData.get('departure')).toBe('2026-05-16')
     expect(formData.get('room_type')).toBe('DLX')
     expect(formData.get('payment_type')).toBe('CA')
-    expect(formData.get('nationality')).toBe('CHN')
+    expect(formData.get('nationality')).toBe('CN')
     expect(formData.get('title')).toBeNull()
     expect(formData.get('rate_code')).toBeNull()
     expect(formData.get('adults')).toBeNull()