diff --git a/electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/service/EdFileInfoService.java b/electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/service/EdFileInfoService.java
index 9344e93..da1a2df 100644
--- a/electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/service/EdFileInfoService.java
+++ b/electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/service/EdFileInfoService.java
@@ -198,4 +198,10 @@ public interface EdFileInfoService {
      */
     void resetFileInfoName(EdFileInfo fileInfo);
 
+    /**
+     * 判断是否是文件夹
+     * @param id
+     * @return
+     */
+    public boolean isFolder(String id);
 }
diff --git a/electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/service/serviceimpl/EdFileInfoServiceImpl.java b/electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/service/serviceimpl/EdFileInfoServiceImpl.java
index 6c76d8c..aa60557 100644
--- a/electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/service/serviceimpl/EdFileInfoServiceImpl.java
+++ b/electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/service/serviceimpl/EdFileInfoServiceImpl.java
@@ -1303,4 +1303,16 @@ public class EdFileInfoServiceImpl extends ServiceImpl<EdFileInfoMapper, EdFileI
     public IPage<FileInfoVO> queryFileList (Page<FileInfoVO> page, List<String> ids, FileInfoQueryDTO queryDTO, int saveStatus, int effectFlag) {
         return this.baseMapper.queryFileList(page, ids, queryDTO, saveStatus, effectFlag);
     }
+
+    /**
+     * 判断是否是文件夹
+     * @param id
+     * @return
+     */
+    @Override
+    public boolean isFolder(String id) {
+        EdFileInfo fileInfo = this.baseMapper.selectById(id);
+        Assert.notNull(fileInfo, StrFormatter.format("文件不存在，ID为{}", id));
+        return fileInfo.getDataType().equals(EleDataTypeEnum.FOLDER.code);
+    }
 }
diff --git a/electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/service/serviceimpl/EdFileRelationServiceImpl.java b/electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/service/serviceimpl/EdFileRelationServiceImpl.java
index 925eec6..5785c71 100644
--- a/electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/service/serviceimpl/EdFileRelationServiceImpl.java
+++ b/electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/service/serviceimpl/EdFileRelationServiceImpl.java
@@ -57,6 +57,11 @@ public class EdFileRelationServiceImpl extends ServiceImpl<EdFileRelationMapper,
         // 无法建立已建立的关系
         String queryId1 = edFileRelation.getId1();
         String queryId2 = edFileRelation.getId2();
+
+        if (edFileInfoService.isFolder(queryId1) || edFileInfoService.isFolder(queryId2)) {
+            throw new BizException("文件夹无法建立关系");
+        }
+
         LambdaQueryWrapper<EdFileRelation> queryWrapper = new LambdaQueryWrapper<>();
         queryWrapper.eq(EdFileRelation::getId1, queryId1).eq(EdFileRelation::getId2, queryId2)
                 .or()