diff --git a/laws-modules/src/main/java/com/jero/modules/laws/oldSystem/controller/OldSystemController.java b/laws-modules/src/main/java/com/jero/modules/laws/oldSystem/controller/OldSystemController.java
index f618d5e7..e3e5e47c 100644
--- a/laws-modules/src/main/java/com/jero/modules/laws/oldSystem/controller/OldSystemController.java
+++ b/laws-modules/src/main/java/com/jero/modules/laws/oldSystem/controller/OldSystemController.java
@@ -136,13 +136,4 @@ public class OldSystemController {
         oldSystemService.importGbStandSystem(file, response);
     }
 
-    @PostMapping("/importFbStandSystem")
-    @AutoLog(value = "老法规系统-导入外标体系")
-    @ApiOperation(value="老法规系统-导入外标体系", notes="老法规系统-导入外标体系", produces = "application/octet-stream")
-    @ApiOperationSupport(order = 11)
-    public void importFbStandSystem(@RequestParam("file") MultipartFile file,
-                                    HttpServletResponse response) throws IOException {
-        oldSystemService.importFbStandSystem(file, response);
-    }
-
 }
diff --git a/laws-modules/src/main/java/com/jero/modules/laws/oldSystem/service/OldSystemService.java b/laws-modules/src/main/java/com/jero/modules/laws/oldSystem/service/OldSystemService.java
index 3b8a7f9e..eb4bd684 100644
--- a/laws-modules/src/main/java/com/jero/modules/laws/oldSystem/service/OldSystemService.java
+++ b/laws-modules/src/main/java/com/jero/modules/laws/oldSystem/service/OldSystemService.java
@@ -82,11 +82,4 @@ public interface OldSystemService {
      */
     void importGbStandSystem(MultipartFile file, HttpServletResponse response);
 
-    /**
-     * 导入外标体系
-     * @param file
-     * @param response
-     */
-    void importFbStandSystem(MultipartFile file, HttpServletResponse response);
-
 }
diff --git a/laws-modules/src/main/java/com/jero/modules/laws/oldSystem/service/impl/OldSystemServiceImpl.java b/laws-modules/src/main/java/com/jero/modules/laws/oldSystem/service/impl/OldSystemServiceImpl.java
index 5d6d5444..76b9e28e 100644
--- a/laws-modules/src/main/java/com/jero/modules/laws/oldSystem/service/impl/OldSystemServiceImpl.java
+++ b/laws-modules/src/main/java/com/jero/modules/laws/oldSystem/service/impl/OldSystemServiceImpl.java
@@ -217,6 +217,14 @@ public class OldSystemServiceImpl implements OldSystemService {
         if (defaultUser == null) {
             throw new JeroBootException("未找到默认用户");
         }
+
+        // 获取所有企标体系节点并转为Map
+        String moduleCode = TableNameEnum.FOREIGN_REGULATIONS.getValue();
+        LambdaQueryWrapper<LawsTreeNode> treeNodeWrapper = new LambdaQueryWrapper<>();
+        treeNodeWrapper.eq(LawsTreeNode::getModuleCode, moduleCode);
+        treeNodeWrapper.eq(LawsTreeNode::getDelFlag, YesOrNoEnum.NO.getValue());
+        List<LawsTreeNode> treeNodeList = treeNodeService.list(treeNodeWrapper);
+        Map<String, LawsTreeNode> nodeNameMap = treeNodeList.stream().collect(Collectors.toMap(LawsTreeNode::getNodeName, o -> o));
         // 转换数据
         List<LawsOverseasStandard> fbList = new ArrayList<>();
         for (OldSystemImportDTO dto : fbDatalist) {
@@ -313,6 +321,22 @@ public class OldSystemServiceImpl implements OldSystemService {
                         ossFileList.add(ossFile);
                     }
                 }
+
+                // 校验体系
+                String bzfl = dto.getBzfl();
+                if (StrUtil.isNotBlank(bzfl)) {
+                    // 如果有/的话，只取第一个/后面的数据，无论后面有没有/
+                    if (bzfl.contains("/")) {
+                        bzfl = bzfl.substring(bzfl.indexOf("/") + 1);
+                    }
+                    // 到Map中找到对应的体系
+                    LawsTreeNode treeNode = nodeNameMap.get(bzfl.trim());
+                    if (treeNode != null) {
+                        fb.setStandardSystem(treeNode.getId());
+                    } else {
+                        throw new JeroBootException("未找到对应的体系，标准编号：" + dto.getBzh() + "体系名称：" + bzfl);
+                    }
+                }
                 fbList.add(fb);
             } catch (Exception e) {
                 log.error("导入转换外标数据时发生错误：{}", e.getMessage());
@@ -332,7 +356,7 @@ public class OldSystemServiceImpl implements OldSystemService {
         }
 
         // 3. 将文件关系列表转为Map，用于快速查找
-//        Map<String, List<OSSFile>> standardNumberToFileMap = ossFileList.stream().collect(Collectors.groupingBy(OSSFile::getStandardNo));
+        Map<String, List<OSSFile>> standardNumberToFileMap = ossFileList.stream().collect(Collectors.groupingBy(OSSFile::getStandardNo));
 
         // 4. 遍历待保存或更新的列表，设置ID
         StringBuilder oldIds = new StringBuilder();
@@ -367,18 +391,25 @@ public class OldSystemServiceImpl implements OldSystemService {
             }
             entity.setSubstituteStandardNumber(null);
             entity.setReplacedByStandardNumber(null);
-            // 构建updateWrapper 将其余字段全部设为null
 
+            String nodeId = entity.getStandardSystem();
+            entity.setStandardSystem(null);
             overseasStandardService.saveOrUpdate(entity);
 
             String standardId = entity.getId();
             // 保存文件关联
-//            List<OSSFile> ossFiles = standardNumberToFileMap.get(entity.getStandardNumber());
-//            if (ossFiles != null && !ossFiles.isEmpty()) {
-//                OSSFile ossFile = ossFiles.get(0);
-//                ossFile.setStandardId(standardId);
-//                ossFileService.save(ossFile);
-//            }
+            List<OSSFile> ossFiles = standardNumberToFileMap.get(entity.getStandardNumber());
+            if (ossFiles != null && !ossFiles.isEmpty()) {
+                OSSFile ossFile = ossFiles.get(0);
+                ossFile.setStandardId(standardId);
+                ossFileService.save(ossFile);
+            }
+
+            // 保存体系
+            if (StrUtil.isNotBlank(nodeId)) {
+                lawsNodeRelationService.removeByStandardId(standardId);
+                lawsNodeRelationService.addRelation(nodeId, null, standardId);
+            }
         }
         log.info("老法规外标覆盖导入完成");
         // 获取当前时间戳（毫秒）
@@ -972,11 +1003,6 @@ public class OldSystemServiceImpl implements OldSystemService {
 
     }
 
-    @Override
-    public void importFbStandSystem(MultipartFile file, HttpServletResponse response) {
-
-    }
-
     public boolean containsChinese(String text) {
         Pattern pattern = Pattern.compile("[\u4E00-\u9FA5]");
         Matcher matcher = pattern.matcher(text);