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 1aa85f1..af6a741 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
@@ -744,7 +744,9 @@ public class EdFileInfoServiceImpl extends ServiceImpl<EdFileInfoMapper, EdFileI
                         .setPrjDir(false);
                 this.saveOrUpdate(newEdFileInfo);
                 String fileDestPath = commonService.getFileSysPath(newEdFileInfo.getFilePath());
-                fileSystemService.save(file.getInputStream(), fileDestPath);
+                FileUtil.writeFromStream(file.getInputStream(), fileDestPath);
+                EleCommonUtil.encryptFile(fileDestPath, SecureUtil.aes(password.getBytes()));
+                fileSystemService.save(FileUtil.getInputStream(fileDestPath), fileDestPath);
             }
         } catch (Exception e) {
             newEdFileInfo.setParentId(parentId)
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 674aaf7..7db5b84 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
@@ -2,6 +2,7 @@ package com.electromagnetic.industry.software.manage.service.serviceimpl;
 
 import cn.hutool.core.io.FileUtil;
 import cn.hutool.core.lang.Assert;
+import cn.hutool.crypto.SecureUtil;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.core.toolkit.Wrappers;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
@@ -22,6 +23,7 @@ import com.electromagnetic.industry.software.manage.pojo.resp.FileSimpleInfoVO;
 import com.electromagnetic.industry.software.manage.service.EdFileRelationService;
 import com.electromagnetic.industry.software.manage.service.FileSystemService;
 import org.springframework.beans.BeanUtils;
+import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 import org.springframework.web.multipart.MultipartFile;
@@ -43,6 +45,8 @@ public class EdFileRelationServiceImpl extends ServiceImpl<EdFileRelationMapper,
     private CommonService commonService;
     @Resource
     private FileSystemService fileSystemService;
+    @Value("${file.security.passwd}")
+    private String password;
 
     /**
      * 创建文件关系
@@ -230,7 +234,9 @@ public class EdFileRelationServiceImpl extends ServiceImpl<EdFileRelationMapper,
                         .setPrjDir(false);
                 edFileInfoService.saveOrUpdate(newEdFileInfo);
                 String fileDestPath = commonService.getFileSysPath(newEdFileInfo.getFilePath());
-                fileSystemService.save(file.getInputStream(), fileDestPath);
+                FileUtil.writeFromStream(file.getInputStream(), fileDestPath);
+                EleCommonUtil.encryptFile(fileDestPath, SecureUtil.aes(password.getBytes()));
+                fileSystemService.save(FileUtil.getInputStream(fileDestPath), fileDestPath);
 
                 // 创建文件关系
                 EdFileRelation relation = new EdFileRelation();
diff --git a/electromagnetic-common/src/main/java/com/electromagnetic/industry/software/common/util/EleCommonUtil.java b/electromagnetic-common/src/main/java/com/electromagnetic/industry/software/common/util/EleCommonUtil.java
index d8ec8f8..7a12dd4 100644
--- a/electromagnetic-common/src/main/java/com/electromagnetic/industry/software/common/util/EleCommonUtil.java
+++ b/electromagnetic-common/src/main/java/com/electromagnetic/industry/software/common/util/EleCommonUtil.java
@@ -1,7 +1,15 @@
 package com.electromagnetic.industry.software.common.util;
 
+import cn.hutool.core.io.FileUtil;
 import cn.hutool.core.util.StrUtil;
+import cn.hutool.crypto.symmetric.AES;
+import com.electromagnetic.industry.software.common.exception.BizException;
 
+import java.io.File;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.nio.file.Files;
+import java.nio.file.Paths;
 import java.time.LocalDateTime;
 import java.time.format.DateTimeFormatter;
 import java.util.regex.Pattern;
@@ -16,6 +24,8 @@ public final class EleCommonUtil {
     // 编译正则表达式
     private static final Pattern pattern = Pattern.compile(PATTERN);
 
+    private static EleLog log = new EleLog(EleCommonUtil.class);
+
     public static String getFileName(String fileFullName) {
         if (fileFullName == null) {
             return "";
@@ -52,4 +62,21 @@ public final class EleCommonUtil {
         return now.format(formatter);
     }
 
+    public static void encryptFile(String filePath, AES aes) {
+        String tmpPath = filePath + ".tmp";
+        try (
+                InputStream inputStream = Files.newInputStream(Paths.get(filePath));
+                OutputStream outputStream = Files.newOutputStream(Paths.get(tmpPath));
+        ) {
+            aes.encrypt(inputStream, outputStream, true);
+        } catch (Exception e) {
+            String info = "文件加密失败";
+            log.error(info, e);
+            throw new BizException(-1, info);
+        } finally {
+            FileUtil.del(filePath);
+            FileUtil.move(new File(tmpPath), new File(filePath), true);
+        }
+    }
+
 }