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 b196db3..96fd5e0 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
@@ -54,7 +54,6 @@ import java.nio.charset.Charset;
 import java.nio.file.Files;
 import java.nio.file.Paths;
 import java.util.*;
-import java.util.concurrent.ConcurrentHashMap;
 import java.util.stream.Collectors;
 
 import static com.electromagnetic.industry.software.common.cons.ElectromagneticConstants.*;
@@ -659,7 +658,7 @@ public class EdFileInfoServiceImpl extends ServiceImpl<EdFileInfoMapper, EdFileI
                     .eq(EdFileInfo::getDataType, EleDataTypeEnum.FILE.code)
                     .eq(EdFileInfo::getEffectFlag, EffectFlagEnum.EFFECT.code));
             if (count > 0) {
-                fileName = fileName + "_1";
+                fileName = fileName + APPEND_NEW_FILE_NAME;
             } else {
                 fileInfo.setFileName(fileName);
                 return;
@@ -677,7 +676,7 @@ public class EdFileInfoServiceImpl extends ServiceImpl<EdFileInfoMapper, EdFileI
                     .eq(EdFileInfo::getDataType, EleDataTypeEnum.FOLDER.code)
                     .eq(EdFileInfo::getEffectFlag, EffectFlagEnum.EFFECT.code));
             if (count > 0) {
-                fileName = fileName + "_1";
+                fileName = fileName + APPEND_NEW_FILE_NAME;
             } else {
                 fileInfo.setFileName(fileName);
                 return;
@@ -1058,7 +1057,7 @@ public class EdFileInfoServiceImpl extends ServiceImpl<EdFileInfoMapper, EdFileI
             newEdFileInfo.setParentId(targetFolderId)
                     .setFileVersion(FILE_START_VERSION)
                     .setDataOwn(dataOwnCode)
-                    .setFileName(srcFileInfo.getFileName() + "_1")
+                    .setFileName(srcFileInfo.getFileName() + APPEND_NEW_FILE_NAME)
                     .setFileCode(commonService.createFileCode(dbPathByDbPath, srcFileInfo.getFileType(), FILE_START_VERSION, newEdFileInfo.getFileTime()))
                     .setFilePath(destFolderInfo.getFilePath() + MYSQL_FILE_PATH_SPLIT + newEdFileInfo.getId());
             resetFileInfoName(newEdFileInfo);
@@ -1228,7 +1227,7 @@ public class EdFileInfoServiceImpl extends ServiceImpl<EdFileInfoMapper, EdFileI
             String dbPathByDbPath = commonService.getCodePathByDbPath(destFolderInfo.getFilePath());
             newEdFileInfo.setParentId(targetFolderId)
                     .setFileVersion(FILE_START_VERSION)
-                    .setFileName(srcFileInfo.getFileName() + "_1")
+                    .setFileName(srcFileInfo.getFileName() + APPEND_NEW_FILE_NAME)
                     .setFileCode(commonService.createFileCode(dbPathByDbPath, srcFileInfo.getFileType(), FILE_START_VERSION, newEdFileInfo.getFileTime()))
                     .setFilePath(destFolderInfo.getFilePath() + MYSQL_FILE_PATH_SPLIT + newEdFileInfo.getId());
             resetFileInfoName(newEdFileInfo);
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 1cdcbd0..ba8e78a 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
@@ -17,8 +17,7 @@ public class FileSystemServiceImpl implements FileSystemService {
     }
 
     /**
-     *
-     * @param source /user/aaa/bbb.txt
+     * @param source      /user/aaa/bbb.txt
      * @param destination /user/bbb/aaa.txt
      */
     @Override
diff --git a/electromagnetic-common/src/main/java/com/electromagnetic/industry/software/common/cons/ElectromagneticConstants.java b/electromagnetic-common/src/main/java/com/electromagnetic/industry/software/common/cons/ElectromagneticConstants.java
index 801e3f3..5712597 100644
--- a/electromagnetic-common/src/main/java/com/electromagnetic/industry/software/common/cons/ElectromagneticConstants.java
+++ b/electromagnetic-common/src/main/java/com/electromagnetic/industry/software/common/cons/ElectromagneticConstants.java
@@ -29,4 +29,6 @@ public interface ElectromagneticConstants {
     String EXPORT_PRJ_NAME = "electromagnetic_export";
 
     String USER_ACCESS_LOG = "user_access_log";
+
+    String APPEND_NEW_FILE_NAME = "_1";
 }