diff --git a/finance/views.py b/finance/views.py
index 391835a..cdb9a44 100644
--- a/finance/views.py
+++ b/finance/views.py
@@ -769,8 +769,31 @@ class issueAnInvoiceDetail(APIView):
             user_agents_page = paginator.page(1)
         except EmptyPage:
             user_agents_page = paginator.page(paginator.num_pages)
+        
+        # 导入案件模型，用于查找案件id
+        from business.models import Case, ProjectRegistration
+        
         data = []
         for info in user_agents_page.object_list:
+            # 通过ContractNo查找对应的案件id
+            case_id = None
+            project_id = None
+            
+            # 优先从Case（案件管理）中查找
+            try:
+                case = Case.objects.get(contract_no=info.ContractNo, is_deleted=False)
+                case_id = case.id
+                # 如果Case有关联的ProjectRegistration，也返回project_id
+                if case.project:
+                    project_id = case.project.id
+            except Case.DoesNotExist:
+                # 如果Case中找不到，尝试从ProjectRegistration（立项登记）中查找
+                try:
+                    project = ProjectRegistration.objects.get(ContractNo=info.ContractNo, is_deleted=False)
+                    project_id = project.id
+                except ProjectRegistration.DoesNotExist:
+                    pass  # 如果都找不到，case_id和project_id保持为None
+            
             itme = {
                 'id': info.id,
                 "ContractNo": info.ContractNo,
@@ -784,6 +807,8 @@ class issueAnInvoiceDetail(APIView):
                 "state": info.state,
                 "username": info.username,
                 "times": info.times,
+                "case_id": case_id,  # 案件管理ID（Case表）
+                "project_id": project_id,  # 立项登记ID（ProjectRegistration表）
             }
             data.append(itme)
         return Response({'message': '展示成功', "total": total, 'data': data, 'code': 0}, status=status.HTTP_200_OK)