diff --git a/src/main/java/com/spring/modules/quote/service/impl/QuoteDetailBomTreeServiceImpl.java b/src/main/java/com/spring/modules/quote/service/impl/QuoteDetailBomTreeServiceImpl.java
index bced5862..5cd48a64 100644
--- a/src/main/java/com/spring/modules/quote/service/impl/QuoteDetailBomTreeServiceImpl.java
+++ b/src/main/java/com/spring/modules/quote/service/impl/QuoteDetailBomTreeServiceImpl.java
@@ -498,7 +498,36 @@ public class QuoteDetailBomTreeServiceImpl extends ServiceImpl<QuoteDetailBomTre
     
     @Override
     public BigDecimal queryEstimatedMaterialCost(String site, String partNo) {
-        BigDecimal cost = baseMapper.queryEstimatedMaterialCost(site, partNo);
-        return cost != null ? cost : BigDecimal.ZERO;
+        try {
+            // 获取当前用户的IFS连接
+            String username = ((SysUserEntity) SecurityUtils.getSubject().getPrincipal()).getUsername();
+            SysUserEntity ifsUser = sysUserDao.selectOne(new QueryWrapper<SysUserEntity>().eq("username", username));
+            if (ifsUser == null || !org.apache.commons.lang3.StringUtils.isNotBlank(ifsUser.getIfsUsername()) 
+                    || !org.apache.commons.lang3.StringUtils.isNotBlank(ifsUser.getIfsPassword())) {
+                log.warn("用户 {} 未维护IFS账号，使用数据库查询estimatedMaterialCost", username);
+                BigDecimal cost = baseMapper.queryEstimatedMaterialCost(site, partNo);
+                return cost != null ? cost : BigDecimal.ZERO;
+            }
+            Server ifsCon = ifsServer.getIfsServer(ifsUser.getIfsUsername(), ifsUser.getIfsPassword());
+            
+            // 调用IFS接口获取预估材料成本
+            PartInformationEntity part = new PartInformationEntity();
+            part.setSite(site);
+            part.setPartNo(partNo);
+            Map<String, String> map = baseSearchBean.getInventoryEstimatedMaterialCostByPartNo(ifsCon, part);
+            
+            if (Objects.equals(map.get("resultCode"), "200")) {
+                InventoryPartUnitCostSumVo unitCostSumVo = JSONObject.parseObject(map.get("obj"), InventoryPartUnitCostSumVo.class);
+                BigDecimal estimatedCost = new BigDecimal(unitCostSumVo.getInventoryValue());
+                log.info("物料 {} 从IFS获取预估材料成本: {}", partNo, estimatedCost);
+                return estimatedCost;
+            } else {
+                log.warn("物料 {} 从IFS获取预估材料成本失败: {}", partNo, map.get("resultMsg"));
+                return BigDecimal.ZERO;
+            }
+        } catch (Exception e) {
+            log.error("物料 {} 获取预估材料成本异常: {}", partNo, e.getMessage());
+            return BigDecimal.ZERO;
+        }
     }
 }