diff --git a/electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/pojo/models/EdFileInfo.java b/electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/pojo/models/EdFileInfo.java
index 561bdd6..db5039e 100644
--- a/electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/pojo/models/EdFileInfo.java
+++ b/electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/pojo/models/EdFileInfo.java
@@ -18,7 +18,7 @@ import java.util.Date;
 @Accessors(chain = true)
 @Data
 @FieldNameConstants
-public class EdFileInfo extends BaseModel {
+public class EdFileInfo extends BaseModel{
 
     public void newInit() {
         String userId = UserThreadLocal.getUserId();
diff --git a/electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/service/FileSystemService.java b/electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/service/FileSystemService.java
index 41cd016..f92c639 100644
--- a/electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/service/FileSystemService.java
+++ b/electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/service/FileSystemService.java
@@ -8,7 +8,7 @@ public interface FileSystemService {
 
     void copyFile(String source, String destination);
 
-    void moveFile(String source, String destination);
+    void moveFile(String source, String destination, boolean deleteSource);
 
     void save(InputStream inputStream, String destination);
 
@@ -17,4 +17,8 @@ public interface FileSystemService {
     void renameFile(String sourcePath, String sourceName, String newName);
 
     boolean checkFolderExist(String newPath);
+
+    boolean writeStringToFile(String filePath, String contents);
+
+    boolean deleteFile(String filePath);
 }
diff --git a/electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/service/serviceimpl/CommonService.java b/electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/service/serviceimpl/CommonService.java
index 2d6fbd5..856838a 100644
--- a/electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/service/serviceimpl/CommonService.java
+++ b/electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/service/serviceimpl/CommonService.java
@@ -317,4 +317,23 @@ public class CommonService {
         }
         return null;
     }
+
+    public String getPrjNameByDbPath(String dbPath) {
+        List<String> paths = StrUtil.split(dbPath, MYSQL_FILE_PATH_SPLIT);
+        String prjId = paths.get(0);
+        return edFileInfoMapper.selectById(prjId).getFileName();
+    }
+
+
+
+
+
+
+
+
+
+
+
+
+
 }
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 95927a4..ebb7279 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
@@ -7,6 +7,7 @@ import cn.hutool.core.io.FileUtil;
 import cn.hutool.core.io.IoUtil;
 import cn.hutool.core.lang.Assert;
 import cn.hutool.core.text.StrFormatter;
+import cn.hutool.core.util.IdUtil;
 import cn.hutool.core.util.StrUtil;
 import cn.hutool.core.util.ZipUtil;
 import cn.hutool.crypto.SecureUtil;
@@ -49,7 +50,6 @@ import javax.annotation.PostConstruct;
 import javax.annotation.Resource;
 import javax.servlet.http.HttpServletResponse;
 import java.io.*;
-import java.nio.charset.Charset;
 import java.nio.file.Files;
 import java.nio.file.Paths;
 import java.util.*;
@@ -71,7 +71,6 @@ public class EdFileInfoServiceImpl extends ServiceImpl<EdFileInfoMapper, EdFileI
     private String downloadDataDir = "";
     private String uploadDataDir = "";
 
-
     @Value("${file.security.passwd}")
     private String password;
 
@@ -300,6 +299,9 @@ public class EdFileInfoServiceImpl extends ServiceImpl<EdFileInfoMapper, EdFileI
 
     /**
      * 合并分片
+     * case1: 用户上传的新文件
+     * case2: 用户上传的带版本号的文件
+     * case3: 用户上传的文件在线上已经被移动到其他目录
      * @param identifier
      * @param fileName
      * @param totalChunks
@@ -308,53 +310,176 @@ public class EdFileInfoServiceImpl extends ServiceImpl<EdFileInfoMapper, EdFileI
     @Override
     @Transactional(rollbackFor = Exception.class)
     public ElectromagneticResult<?> mergeChunks(String identifier, String fileName, Integer totalChunks) {
-        String destZipPath = doSysFileMerge(identifier, fileName, totalChunks);
-        int index = destZipPath.lastIndexOf(".zip");
-        String zipDirPath = destZipPath.substring(0, index);
+        String currentUserId = UserThreadLocal.getUserId();
+        String destColibPath = doSysFileMerge(identifier, fileName, totalChunks);
+        String mainName = FileUtil.mainName(destColibPath);
+        String parentDir = FileUtil.getParent(destColibPath, 1);
+        String zipDirPath = parentDir + File.separator + mainName + ".zip";
         AES aes = SecureUtil.aes(password.getBytes());
         try(
-                InputStream inputStream  = Files.newInputStream(Paths.get(destZipPath));
+                InputStream inputStream  = Files.newInputStream(Paths.get(destColibPath));
                 OutputStream outputStream = Files.newOutputStream(Paths.get(zipDirPath));
         ) {
             aes.decrypt(inputStream, outputStream, true);
         } catch (Exception e) {
             String info = "文件上传错误";
             log.error(info, e);
-            throw new BizException(-1, e.getMessage());
+            throw new BizException(-1, info);
         }
+        String uuid = IdUtil.fastSimpleUUID();
+        String tmpDir = uploadDataDir + currentUserId + File.separator + uuid + File.separator;
+        ZipUtil.unzip(zipDirPath, tmpDir);
         update2Database(zipDirPath);
-        update2FileSystem(zipDirPath);
         return null;
     }
 
-    private void update2Database(String colibDirPath) {
+    @Transactional(rollbackFor = Exception.class)
+    public void update2Database(String prjDirPath) {
 
-        // 首先解密该文件
-        AES aes = SecureUtil.aes(password.getBytes());
-        String zipFilePath = "";
-        try(
-                InputStream inputStream  = Files.newInputStream(Paths.get(colibDirPath));
-                OutputStream outputStream = Files.newOutputStream(Paths.get(zipFilePath));
-        ) {
-            aes.decrypt(inputStream, outputStream, true);
-        } catch (Exception e) {
-            String info = "文件上传失败";
-            log.error(info, e);
-            throw new BizException(-1, info);
+        List<EdFileInfo> importFileInfos = JSONUtil.toList(prjDirPath + File.separator + "mysql.info", EdFileInfo.class);
+        // 首先处理导入的文件夹及其下属文件
+        // 找出文件夹
+        List<EdFileInfo> needMove2FileSystemFiles = new ArrayList<>();
+        List<EdFileInfo> importDirs = importFileInfos.stream()
+                .filter(e -> e.getDataType().equals(EleDataTypeEnum.FOLDER.code))
+                .filter(e -> !e.getPrjDir()).collect(Collectors.toList());
+        for (EdFileInfo edFileInfo : importDirs) {
+            String fileName = edFileInfo.getFileName();
+            String parentId = edFileInfo.getParentId();
+            List<EdFileInfo> folders = queryChildFolders(parentId);
+            Map<String, EdFileInfo> foldersMap = folders.stream().collect(Collectors.toMap(EdFileInfo::getId, e -> e));
+            List<String> folderNames = folders.stream().map(EdFileInfo::getFileName).collect(Collectors.toList());
+            String saveSysFilePath;
+            if (folderNames.contains(fileName)) { // 有同名文件夹
+                // 判断id是否相同
+                if (foldersMap.get(fileName).getId().equals(edFileInfo.getId())) { // id相同，不做处理
+                  log.info("id相同，不做处理");
+                }  else { // 文件名重复，导入的文件名需要添加“_1”
+                    edFileInfo.setFileNote(fileName + "_1");
+                    this.baseMapper.insert(edFileInfo);
+                }
+            } else { // 没有同名文件夹
+                this.saveOrUpdate(edFileInfo); // 如果导出的文件夹在线上已经被作废，这里则直接恢复，需要注意的是，在作废文件时，需要将作废文件移动到回收站
+            }
+            needMove2FileSystemFiles.add(edFileInfo);
         }
-        String tmpDir = "";
+        // 处理文件
+        importFileInfos = importFileInfos.stream()
+                .filter(e -> e.getDataType().equals(EleDataTypeEnum.FILE.code))
+                .collect(Collectors.toList());
 
-//        ZipUtil.unzipq
+        Map<String, List<EdFileInfo>> fileInfoMap = new HashMap<>();
+        for (EdFileInfo edFileInfo : importFileInfos) {
+            List<EdFileInfo> list = fileInfoMap.getOrDefault(edFileInfo.getFileId(), new ArrayList<>());
+            list.add(edFileInfo);
+            fileInfoMap.put(edFileInfo.getFileId(), list);
+        }
 
-        // TODO 注意 需要reversion
+        fileInfoMap.forEach((k, v) -> {
+            List<EdFileInfo> dbFileInfos = this.baseMapper.selectList(Wrappers.lambdaQuery(EdFileInfo.class).eq(EdFileInfo::getFileId, k).orderByAsc(EdFileInfo::getFileVersion));
+            if (CollUtil.isEmpty(dbFileInfos)) { // 在线上没有找到，则该批文件是从线下上传的
+                EdFileInfo fileInfo = v.stream().filter(e -> e.getEffectFlag().equals(EffectFlagEnum.EFFECT.code)).findFirst().get();
+                resetFileInfoName(fileInfo);
+                this.saveBatch(v);
+                needMove2FileSystemFiles.addAll(v);
+            } else {
+                Map<String, EdFileInfo> dbIdMap = dbFileInfos.stream().collect(Collectors.toMap(EdFileInfo::getId, e -> e));
+                Map<String, EdFileInfo> importIdMap = v.stream().collect(Collectors.toMap(EdFileInfo::getId, e -> e));
+                importIdMap.putAll(dbIdMap);
+                List<EdFileInfo> deepCopyV = JSONUtil.toList(JSONUtil.toJsonStr(v), EdFileInfo.class);
+                List<EdFileInfo> deepCopyDb = JSONUtil.toList(JSONUtil.toJsonStr(dbFileInfos), EdFileInfo.class);
+                EdFileInfo importEffectFile = deepCopyV.stream().filter(e -> e.getEffectFlag().equals(EffectFlagEnum.EFFECT.code)).findFirst().get();
+                EdFileInfo dbEffectFile = deepCopyDb.stream().filter(e -> e.getEffectFlag().equals(EffectFlagEnum.EFFECT.code)).findFirst().get();
+                String effectId = importEffectFile.getUpdateTime().after(dbEffectFile.getUpdateTime()) ? importEffectFile.getId() : dbEffectFile.getId();
+                Map<String, String> importVersionRelation = getVersionRelation(deepCopyV);
+                Map<String, String> dbVersionRelation = getVersionRelation(deepCopyDb);
+                dbVersionRelation.putAll(importVersionRelation);
+                int start = FILE_START_VERSION;
+                List<EdFileInfo> saveObjs = new ArrayList<>();
+                for (EdFileInfo importFileInfo : v) {
+                    if (dbIdMap.containsKey(importFileInfo.getId())) { // 该文件在数据库中存在，是从线上导出的。
+                        EdFileInfo dbFileInfo = dbIdMap.get(importFileInfo.getId());
+                        if (dbFileInfo.getUpdateTime().before(importFileInfo.getUpdateTime())) { // 线下版本的修改时间比线上的新，用线下的版本
+                            importFileInfo.setFileVersion(start);
+                            saveObjs.add(importFileInfo);
+                        } else { // 线上版本的修改时间比线下新，用线上的版本。
+                            dbFileInfo.setFileVersion(start);
+                            saveObjs.add(dbFileInfo);
+                        }
+                    } else { // 该文件是线下上传的。
+                        importFileInfo.setFileVersion(start);
+                        saveObjs.add(importFileInfo);
+                        needMove2FileSystemFiles.add(importFileInfo);
+                    }
+                    ++start;
+                }
+                for (EdFileInfo saveObj : saveObjs) {
+                    String id = saveObj.getId();
+                    String preVersionId = dbVersionRelation.get(id);
+                    EdFileInfo tmp = importIdMap.get(preVersionId);
+                    saveObj.setPreVersion(tmp.getFileVersion());
+                    int effect = Objects.equals(saveObj.getId(), effectId) ? EffectFlagEnum.EFFECT.code : EffectFlagEnum.NOT_EFFECTIVE.code;
+                    saveObj.setEffectFlag(effect);
+                }
+                this.saveOrUpdateBatch(saveObjs);
+            }
+        });
+        update2FileSystem(needMove2FileSystemFiles, prjDirPath);
     }
 
-    private void update2FileSystem(String zipDirPath) {
+    private void resetFileInfoName(EdFileInfo fileInfo) {
+        String fileName = fileInfo.getFileName();
+        String parentId = fileInfo.getParentId();
+        for (int i = 0; i < 1000; ++i) {
+            long count = this.baseMapper.selectCount(Wrappers.lambdaQuery(EdFileInfo.class)
+                    .eq(EdFileInfo::getFileName, fileName)
+                    .eq(EdFileInfo::getParentId, parentId)
+                    .eq(EdFileInfo::getDataType, EleDataTypeEnum.FILE.code)
+                    .eq(EdFileInfo::getEffectFlag, EffectFlagEnum.EFFECT.code));
+            if (count > 0) {
+                fileName = fileName + "_1";
+            } else {
+                fileInfo.setFileName(fileName);
+                return;
+            }
+        }
+    }
+
+    private void update2FileSystem(List<EdFileInfo> needMove2FileSystemFiles, String prjDirPath) {
+        Map<String, String> idNameMaps = needMove2FileSystemFiles.stream().collect(Collectors.toMap(EdFileInfo::getId, EdFileInfo::getFileName));
+        List<EdFileInfo> files = needMove2FileSystemFiles.stream().filter(e -> e.getDataType().equals(EleDataTypeEnum.FILE.code)).collect(Collectors.toList());
+        for (EdFileInfo edFileInfo : files) {
+            String filePath = edFileInfo.getFilePath();
+            StringBuilder sysFilePath = new StringBuilder();
+            for (String id : filePath.split(MYSQL_FILE_PATH_SPLIT)) {
+                sysFilePath.append(idNameMaps.get(id)).append(File.separator);
+            }
+            String destPath = commonService.getEleDataPath() + File.separator + sysFilePath;
+            String sourcePath = prjDirPath + File.separator + sysFilePath;
+            fileSystemService.moveFile(sourcePath, destPath, true);
+        }
+    }
+
+    private Map<String, String> getVersionRelation(List<EdFileInfo> edFileInfos) {
+        Map<String, String> versionRelation = new HashMap<>();
+        Map<Integer, EdFileInfo> versionMap = edFileInfos.stream().collect(Collectors.toMap(EdFileInfo::getFileVersion, e -> e));
+        for (EdFileInfo edFileInfo : edFileInfos) {
+            Integer preVersion = edFileInfo.getPreVersion();
+            EdFileInfo fileInfo = versionMap.get(preVersion);
+            String preVersionId = Objects.isNull(fileInfo) ? null : fileInfo.getId();
+            versionRelation.put(edFileInfo.getId(), preVersionId);
+        }
+        return versionRelation;
+    }
+
+    private List<EdFileInfo> queryChildFolders(String parentId) {
+        return this.baseMapper.selectList(Wrappers.lambdaQuery(EdFileInfo.class).eq(EdFileInfo::getParentId, parentId)
+                        .eq(EdFileInfo::getDataType, EleDataTypeEnum.FOLDER.code)
+                        .eq(EdFileInfo::getEffectFlag, false));
     }
 
     /**
      * 导出
-     *
      * @param dataIdArr
      * @return
      */
@@ -368,20 +493,27 @@ public class EdFileInfoServiceImpl extends ServiceImpl<EdFileInfoMapper, EdFileI
                     .eq(EdFileInfo::getEffectFlag, true));
             resFiles.addAll(edFileInfos);
         }
-        String prjName = resFiles.stream().filter(e -> e.getParentId().equals(PRJ_PARENT_ID)).findFirst().get().getFileName();
+
+        List<EdFileInfo> prjFolders = this.baseMapper.selectList(Wrappers.lambdaQuery(EdFileInfo.class).eq(EdFileInfo::getPrjDir, true).eq(EdFileInfo::getEffectFlag, EffectFlagEnum.EFFECT.code));
+        Map<String, EdFileInfo> prjFoldersMap = prjFolders.stream().collect(Collectors.toMap(EdFileInfo::getId, e -> e));
+        Map<String, EdFileInfo> tmps = resFiles.stream().collect(Collectors.toMap(EdFileInfo::getId, e -> e));
+        resFiles.clear();
+        resFiles.addAll(tmps.values());
+        resFiles.addAll(prjFoldersMap.values());
+        String prjName = commonService.getPrjNameByDbPath(resFiles.get(0).getFilePath());
         List<EdFileInfo> folders = resFiles.stream().filter(e -> e.getDataType().equals(EleDataTypeEnum.FOLDER.code)).collect(Collectors.toList());
         List<EdFileInfo> files = resFiles.stream().filter(e -> e.getDataType().equals(EleDataTypeEnum.FILE.code)).collect(Collectors.toList());
         for (EdFileInfo edFileInfo : folders) {
             String destFolderPath = downloadDataDir + File.separator + commonService.getFileSysPath(edFileInfo.getFileId());
-            FileUtil.mkdir(destFolderPath);
+            fileSystemService.createDirectory(destFolderPath);
         }
         for (EdFileInfo edFileInfo : files) {
             String filePath = commonService.getFileSysPath(edFileInfo.getFileId()) + edFileInfo.getFileCode() + "." + edFileInfo.getFileCode();
             String destPath = downloadDataDir + File.separator + commonService.getDbPath(edFileInfo.getFileId());
-            FileUtil.copy(filePath, destPath, false);
+            fileSystemService.copyFile(filePath, destPath);
         }
         String mysqlInfo = JSONUtil.toJsonStr(resFiles);
-        FileUtil.writeString(mysqlInfo, downloadDataDir + File.separator + "mysql.info", Charset.defaultCharset());
+        fileSystemService.writeStringToFile(downloadDataDir + File.separator + "mysql.info", mysqlInfo);
         String exportZipFile = downloadDataDir + File.separator + prjName + ".zip";
         String exportColibFile = downloadDataDir + File.separator + prjName + EXPORT_FILE_SUFFIX;
         ZipUtil.zip(downloadDataDir + File.separator + prjName, exportZipFile);
@@ -396,18 +528,16 @@ public class EdFileInfoServiceImpl extends ServiceImpl<EdFileInfoMapper, EdFileI
             log.error(info, e);
             throw new BizException(-1, info);
         } finally {
-            FileUtil.del(exportZipFile);
+            fileSystemService.deleteFile(exportZipFile);
         }
-        File file = new File(exportColibFile);
+        File file = FileUtil.newFile(exportColibFile);
         FileSystemResource fileSystemResource = new FileSystemResource(file);
-
         HttpHeaders headers = new HttpHeaders();
         headers.add("Cache-Control", "no-cache, no-store, must-revalidate");
         String fileName = Base64.encode(fileSystemResource.getFilename());
         headers.add("Pragma", "no-cache");
         headers.add("Expires", "0");
         response.setHeader("content-disposition","attachment;filename=" + fileName);
-
         // 构建响应实体(可以返回<byte[]或Resource，返回类型取决body入参类型)
         return ResponseEntity
                 .ok()
@@ -532,7 +662,7 @@ public class EdFileInfoServiceImpl extends ServiceImpl<EdFileInfoMapper, EdFileI
             // 移动文件
             String srcFileSysPath = commonService.getFileSysPath(srcFileInfo.getFilePath());
             String destFileSysPath = commonService.getFileSysPath(destFolderInfo.getFilePath());
-            fileSystemService.moveFile(srcFileSysPath, destFileSysPath);
+            fileSystemService.moveFile(srcFileSysPath, destFileSysPath, deleteSrc);
         }
     }
 
@@ -559,7 +689,7 @@ public class EdFileInfoServiceImpl extends ServiceImpl<EdFileInfoMapper, EdFileI
             // 文件系统移动文件
             String srcFilePath = commonService.getFileSysPath(srcFileInfo.getFileId()) + File.separator + srcFileInfo.getFileCode();
             String destFilePath = commonService.getFileSysPath(destFolderInfo.getFileId()) + File.separator + destFolderInfo.getFileCode();
-            fileSystemService.moveFile(srcFilePath, destFilePath);
+            fileSystemService.moveFile(srcFilePath, destFilePath, deleteSrc);
         } else {
             handMoveConflict(targetFolderId, strategy, srcFileInfo, destFolderInfo, deleteSrc);
         }
@@ -632,7 +762,7 @@ public class EdFileInfoServiceImpl extends ServiceImpl<EdFileInfoMapper, EdFileI
                     .setPrjDir(false);
             this.baseMapper.insert(newEdFileInfo);
             String fileDestPath = commonService.getFileSysPath(newEdFileInfo.getFileId()) + File.separator + mainName + suffix + "." + fileCode;
-            FileUtil.writeFromStream(file.getInputStream(), fileDestPath);
+            fileSystemService.save(file.getInputStream(), fileDestPath);
         } else if (strategy == 3) {
             // 文件名加”_1“，存为新文件
             EdFileInfo parentFileInfo = this.baseMapper.selectOne(Wrappers.lambdaQuery(EdFileInfo.class)
@@ -657,7 +787,7 @@ public class EdFileInfoServiceImpl extends ServiceImpl<EdFileInfoMapper, EdFileI
                     .setPrjDir(false);
             this.baseMapper.insert(newEdFileInfo);
             String fileDestPath = commonService.getFileSysPath(parentFileInfo.getFileId()) + File.separator + mainName + "_1." + suffix + "." + fileCode;
-            FileUtil.writeFromStream(file.getInputStream(), fileDestPath);
+            fileSystemService.save(file.getInputStream(), fileDestPath);
         }
 
     }
@@ -674,21 +804,21 @@ public class EdFileInfoServiceImpl extends ServiceImpl<EdFileInfoMapper, EdFileI
             }
         }
         // 合并分片
-        String destZipPath = uploadDataDir + File.separator + currentUserId + File.separator + identifier + File.separator + fileName;
+        String destColibPath = uploadDataDir + File.separator + currentUserId + File.separator + fileName;
         File[] partFiles = FileUtil.ls(uploadDataDir + File.separator + currentUserId + File.separator + identifier);
 
         for (File partFile : partFiles) {
-            try (BufferedOutputStream outputStream = FileUtil.getOutputStream(destZipPath);
+            try (BufferedOutputStream outputStream = FileUtil.getOutputStream(destColibPath);
                  BufferedInputStream inputStream = FileUtil.getInputStream(partFile)) {
                 IoUtil.copy(inputStream, outputStream);
             } catch (Exception e) {
-                FileUtil.del(destZipPath);
+                FileUtil.del(destColibPath);
                 String info = "文件合并失败";
                 log.error(info, e);
                 throw new BizException(-1, info);
             }
         }
         Arrays.stream(partFiles).forEach(e -> FileUtil.del(e.getAbsolutePath()));
-        return destZipPath;
+        return destColibPath;
     }
 }
diff --git a/electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/service/serviceimpl/FileSystemServiceImpl.java b/electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/service/serviceimpl/FileSystemServiceImpl.java
index cfe4c2a..bbc806e 100644
--- a/electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/service/serviceimpl/FileSystemServiceImpl.java
+++ b/electrmangnetic/src/main/java/com/electromagnetic/industry/software/manage/service/serviceimpl/FileSystemServiceImpl.java
@@ -6,6 +6,7 @@ import org.springframework.stereotype.Service;
 
 import java.io.File;
 import java.io.InputStream;
+import java.nio.charset.Charset;
 
 @Service
 public class FileSystemServiceImpl implements FileSystemService {
@@ -17,10 +18,16 @@ public class FileSystemServiceImpl implements FileSystemService {
 
     @Override
     public void copyFile(String source, String destination) {
+        moveFile(source, destination, false);
     }
 
     @Override
-    public void moveFile(String source, String destination) {
+    public void moveFile(String source, String destination, boolean deleteSource) {
+        if (deleteSource) {
+            FileUtil.move(new File(source), new File(destination), true);
+            return;
+        }
+        FileUtil.copy(new File(source), new File(destination), false);
     }
 
     @Override
@@ -43,4 +50,16 @@ public class FileSystemServiceImpl implements FileSystemService {
     public boolean checkFolderExist(String newPath) {
         return FileUtil.exist(newPath);
     }
+
+    @Override
+    public boolean writeStringToFile(String filePath, String contents) {
+        FileUtil.writeString(contents, filePath, Charset.defaultCharset());
+        return true;
+    }
+
+    @Override
+    public boolean deleteFile(String filePath) {
+        FileUtil.del(filePath);
+        return false;
+    }
 }