diff --git a/ruoyi-modules/ruoyi-oa/src/main/java/org/dromara/oa/erp/controller/ErpContractOrderController.java b/ruoyi-modules/ruoyi-oa/src/main/java/org/dromara/oa/erp/controller/ErpContractOrderController.java
index 55f74b43..335b0d6c 100644
--- a/ruoyi-modules/ruoyi-oa/src/main/java/org/dromara/oa/erp/controller/ErpContractOrderController.java
+++ b/ruoyi-modules/ruoyi-oa/src/main/java/org/dromara/oa/erp/controller/ErpContractOrderController.java
@@ -99,9 +99,9 @@ public class ErpContractOrderController extends BaseController {
     }
 
     /**
-     * 获取合同订单采购匹配信息
+     * 获取合同订单采购匹配信息（合同物料 vs 备件已采）
      *
-     * @param projectId 主键
+     * @param projectId 与 erp_project_purchase.project_id 一致的项目主键（一般为实施项目），用于关联 erp_project_contracts 及汇总本项目采购
      */
     @GetMapping("/purchaseMaterialList/{projectId}")
     public R<List<ErpContractOrderPurchaseMaterialVo>> getPurchaseMaterialList(@NotNull(message = "主键不能为空")
diff --git a/ruoyi-modules/ruoyi-oa/src/main/java/org/dromara/oa/erp/service/IErpContractOrderService.java b/ruoyi-modules/ruoyi-oa/src/main/java/org/dromara/oa/erp/service/IErpContractOrderService.java
index b82340d2..adfbcc7c 100644
--- a/ruoyi-modules/ruoyi-oa/src/main/java/org/dromara/oa/erp/service/IErpContractOrderService.java
+++ b/ruoyi-modules/ruoyi-oa/src/main/java/org/dromara/oa/erp/service/IErpContractOrderService.java
@@ -50,9 +50,9 @@ public interface IErpContractOrderService {
     List<ErpProjectInfoVo> queryList(ErpProjectInfoBo bo);
 
     /**
-     * 查询合同订单采购匹配信息
+     * 查询合同订单采购匹配信息（合同物料 vs 备件已采）
      *
-     * @param projectId 合同订单ID
+     * @param projectId 与 erp_project_purchase.project_id 一致的项目主键（一般为实施项目）
      * @return 采购匹配信息
      */
     List<ErpContractOrderPurchaseMaterialVo> queryPurchaseMaterialList(Long projectId);
diff --git a/ruoyi-modules/ruoyi-oa/src/main/java/org/dromara/oa/erp/service/impl/ErpFinInvoiceInfoServiceImpl.java b/ruoyi-modules/ruoyi-oa/src/main/java/org/dromara/oa/erp/service/impl/ErpFinInvoiceInfoServiceImpl.java
index 6175ffdc..196ec960 100644
--- a/ruoyi-modules/ruoyi-oa/src/main/java/org/dromara/oa/erp/service/impl/ErpFinInvoiceInfoServiceImpl.java
+++ b/ruoyi-modules/ruoyi-oa/src/main/java/org/dromara/oa/erp/service/impl/ErpFinInvoiceInfoServiceImpl.java
@@ -358,13 +358,17 @@ public class ErpFinInvoiceInfoServiceImpl extends AbstractWorkflowService<ErpFin
     @Override
     @Transactional(rollbackFor = Exception.class)
     public Boolean updateInvoiceAttachByBo(ErpFinInvoiceInfoBo bo) {
-        ErpFinInvoiceInfo update = MapstructUtils.convert(bo, ErpFinInvoiceInfo.class);
-        validEntityBeforeSave(update);
+        if (bo.getInvoiceId() == null) {
+            throw new ServiceException("开票ID不能为空");
+        }
+        // 接口仅传 invoiceId、ossId，MapStruct 转换后 projectId 等为空，不可走整单 validEntityBeforeSave（会误报「请选择项目」）
+        ErpFinInvoiceInfo existing = baseMapper.selectById(bo.getInvoiceId());
+        if (existing == null) {
+            throw new ServiceException("开票信息不存在");
+        }
         UpdateWrapper<ErpFinInvoiceInfo> updateWrapper = new UpdateWrapper<>();
         updateWrapper.set("oss_id", bo.getOssId())
                 .eq("invoice_id", bo.getInvoiceId());
-        Boolean flag = baseMapper.update(updateWrapper) > 0;
-        return flag;
-
+        return baseMapper.update(null, updateWrapper) > 0;
     }
 }
diff --git a/ruoyi-modules/ruoyi-oa/src/main/resources/mapper/oa/erp/ErpContractMaterialMapper.xml b/ruoyi-modules/ruoyi-oa/src/main/resources/mapper/oa/erp/ErpContractMaterialMapper.xml
index 38eb4382..aea70e49 100644
--- a/ruoyi-modules/ruoyi-oa/src/main/resources/mapper/oa/erp/ErpContractMaterialMapper.xml
+++ b/ruoyi-modules/ruoyi-oa/src/main/resources/mapper/oa/erp/ErpContractMaterialMapper.xml
@@ -42,6 +42,12 @@
             ${ew.getCustomSqlSegment}
     </select>
 
+    <!--
+        projectId 与前端台账 getContractOrderPurchaseMaterialList(bizProjectId) 一致：实施项目 project_id。
+        合同物料范围：erp_project_contracts 或 erp_project_info 上挂的本项目合同。
+        已采数量 = 备件类（relation_details_id=合同物料ID，与项目采购编辑页 selectContractMaterialsByProjectId 一致，按合同ID 关联）
+                + 非备件预算类（relation_details_id=预算材料费ID，pp.relation_id=bmc.budget_id，预算行与本项目、采购头 project_id 均为传入 projectId，再按合同行 material_id / relation_material_id 与预算行对齐）。
+    -->
     <select id="selectPurchaseMatchListByProjectId" resultMap="ErpContractOrderPurchaseMaterialResult">
         select cm.contract_material_id,
                cm.contract_id,
@@ -51,18 +57,17 @@
                cm.specification_description,
                u.unit_name,
                cm.amount                                  as contract_amount,
-               pm.purchased_amount                        as purchased_amount,
+               (coalesce(pm_spare.purchased_amount, 0) + coalesce(pm_budget.purchased_amount, 0)) as purchased_amount,
                case
-                   when coalesce(pm.purchased_amount, 0) &gt;= cm.amount then 0
-                   else cm.amount - coalesce(pm.purchased_amount, 0)
+                   when (coalesce(pm_spare.purchased_amount, 0) + coalesce(pm_budget.purchased_amount, 0)) &gt;= cm.amount then 0
+                   else cm.amount - (coalesce(pm_spare.purchased_amount, 0) + coalesce(pm_budget.purchased_amount, 0))
                    end                                     as unpurchased_amount
         from erp_contract_material cm
-                 inner join erp_project_info pi on pi.project_id = #{projectId}
-            and pi.del_flag = '0'
                  left join base_material_info m on m.material_id = cm.material_id
                  left join base_relation_material r on r.relation_material_id = cm.relation_material_id
                  left join base_unit_info u on u.unit_id = cm.unit_id
                  left join (select ppm.relation_details_id,
+                                   pp.relation_id,
                                    sum(coalesce(ppm.purchase_amount, 0)) as purchased_amount
                             from erp_project_purchase_material ppm
                                      inner join erp_project_purchase pp on pp.project_purchase_id = ppm.project_purchase_id
@@ -70,13 +75,53 @@
                                 and pp.spare_flag = '1'
                             where ppm.del_flag = '0'
                               and ppm.spare_flag = '1'
-                              and pp.relation_id = (select contract_id
-                                                    from erp_project_info
-                                                    where project_id = #{projectId}
-                                                      and del_flag = '0')
-                            group by ppm.relation_details_id) pm on pm.relation_details_id = cm.contract_material_id
+                            group by ppm.relation_details_id, pp.relation_id) pm_spare
+                          on pm_spare.relation_details_id = cm.contract_material_id
+                          and pm_spare.relation_id = cm.contract_id
+                 left join (select cm_line.contract_material_id,
+                                   sum(coalesce(ppm.purchase_amount, 0)) as purchased_amount
+                            from erp_contract_material cm_line
+                                     inner join erp_budget_material_cost bmc on bmc.project_id = #{projectId}
+                                and bmc.del_flag = '0'
+                                and (
+                                    (cm_line.material_id is not null and bmc.material_id = cm_line.material_id)
+                                    or (cm_line.material_id is null and cm_line.relation_material_id is not null
+                                        and bmc.relation_material_id = cm_line.relation_material_id)
+                                )
+                                     inner join erp_project_purchase_material ppm on ppm.relation_details_id = bmc.material_cost_id
+                                and ppm.del_flag = '0'
+                                and ppm.spare_flag = '0'
+                                     inner join erp_project_purchase pp on pp.project_purchase_id = ppm.project_purchase_id
+                                and pp.del_flag = '0'
+                                and pp.spare_flag = '0'
+                                and pp.project_id = #{projectId}
+                                and pp.relation_id = bmc.budget_id
+                            where cm_line.del_flag = '0'
+                              and (
+                                exists (select 1 from erp_project_contracts pc2
+                                        where pc2.project_id = #{projectId}
+                                          and pc2.contract_id = cm_line.contract_id
+                                          and pc2.del_flag = '0')
+                                or exists (select 1 from erp_project_info pi2
+                                           where pi2.project_id = #{projectId}
+                                             and pi2.del_flag = '0'
+                                             and pi2.contract_id is not null
+                                             and pi2.contract_id = cm_line.contract_id)
+                            )
+                            group by cm_line.contract_material_id) pm_budget
+                          on pm_budget.contract_material_id = cm.contract_material_id
         where cm.del_flag = '0'
-          and cm.contract_id = pi.contract_id
+          and (
+            exists (select 1 from erp_project_contracts pc
+                    where pc.project_id = #{projectId}
+                      and pc.contract_id = cm.contract_id
+                      and pc.del_flag = '0')
+            or exists (select 1 from erp_project_info pi
+                       where pi.project_id = #{projectId}
+                         and pi.del_flag = '0'
+                         and pi.contract_id is not null
+                         and pi.contract_id = cm.contract_id)
+        )
         order by cm.contract_material_id asc
     </select>
 
diff --git a/ruoyi-modules/ruoyi-oa/src/main/resources/mapper/oa/erp/ErpProjectPurchaseMaterialMapper.xml b/ruoyi-modules/ruoyi-oa/src/main/resources/mapper/oa/erp/ErpProjectPurchaseMaterialMapper.xml
index ac8c115f..11c5545b 100644
--- a/ruoyi-modules/ruoyi-oa/src/main/resources/mapper/oa/erp/ErpProjectPurchaseMaterialMapper.xml
+++ b/ruoyi-modules/ruoyi-oa/src/main/resources/mapper/oa/erp/ErpProjectPurchaseMaterialMapper.xml
@@ -91,7 +91,7 @@
         select t.material_cost_id                                    as relation_details_id,
                0                                                     as spare_flag,
                null                                                  as purchase_plan_flag,
-               case when t.material_id is not null then 1 else 0 end as material_flag,
+               case when t.material_id is not null then '1' else '2' end as material_flag,
                t.material_id,
                t.relation_material_id,
                t.material_code                                       as material_code,