diff --git a/3rdparty/interface/archiveinterface/cliinterface.cpp b/3rdparty/interface/archiveinterface/cliinterface.cpp
index 47ff92a0..2be283ba 100644
--- a/3rdparty/interface/archiveinterface/cliinterface.cpp
+++ b/3rdparty/interface/archiveinterface/cliinterface.cpp
@@ -111,8 +111,7 @@ PluginFinishType CliInterface::extractFiles(const QList<FileEntry> &files, const
         qInfo() << "解压目标路径 --- " << destPath;
     }
     bool bHandleLongName = false;
-    Common com;
-    bool bDlnfs = com.isSubpathOfDlnfs(options.strTargetPath);
+    bool bDlnfs = m_common->isSubpathOfDlnfs(options.strTargetPath);
     QDir::setCurrent(destPath);
     if (!m_extractOptions.bAllExtract) {  // 提取部分文件
         m_files.clear();
diff --git a/3rdparty/libarchive/libarchive/libarchiveplugin.cpp b/3rdparty/libarchive/libarchive/libarchiveplugin.cpp
index e33a116f..7900701c 100644
--- a/3rdparty/libarchive/libarchive/libarchiveplugin.cpp
+++ b/3rdparty/libarchive/libarchive/libarchiveplugin.cpp
@@ -163,7 +163,7 @@ PluginFinishType LibarchivePlugin::extractFiles(const QList<FileEntry> &files, c
     struct archive_entry *entry = nullptr;
 
     QString extractDst;
-
+    bool bDlnfs = m_common->isSubpathOfDlnfs(options.strTargetPath);
     // Iterate through all entries in archive.
     int iIndex = 0;     // 存储索引值
     while (!QThread::currentThread()->isInterruptionRequested() && (archive_read_next_header(m_archiveReader.data(), &entry) == ARCHIVE_OK)) {
@@ -260,11 +260,8 @@ PluginFinishType LibarchivePlugin::extractFiles(const QList<FileEntry> &files, c
         bool bLongName = false;
         QString tempFilePathName;
         QString strOriginName = entryName;
-
-        Common com;
-        bool bDlnfs = com.isSubpathOfDlnfs(options.strTargetPath);
         if(!bDlnfs) {
-            QString sDir = com.handleLongNameforPath(strFilePath, entryName, m_mapLongDirName, m_mapRealDirValue);
+            QString sDir = m_common->handleLongNameforPath(strFilePath, entryName, m_mapLongDirName, m_mapRealDirValue);
             if(sDir.length() > 0) {
                strFilePath = sDir.endsWith(QDir::separator())?sDir.left(sDir.length() -1):sDir;
                if(entryName.endsWith(QDir::separator())) {
diff --git a/3rdparty/libzipplugin/libzipplugin.cpp b/3rdparty/libzipplugin/libzipplugin.cpp
index d18711ba..c872778c 100644
--- a/3rdparty/libzipplugin/libzipplugin.cpp
+++ b/3rdparty/libzipplugin/libzipplugin.cpp
@@ -152,6 +152,7 @@ PluginFinishType LibzipPlugin::extractFiles(const QList<FileEntry> &files, const
     } else {
         m_dScaleSize = 100.0 / options.qSize;
     }
+    m_bDlnfs = m_common->isSubpathOfDlnfs(options.strTargetPath);
 
     // 执行解压操作
     bool bHandleLongName = false;
@@ -784,10 +785,8 @@ ErrorType LibzipPlugin::extractEntry(zip_t *archive, zip_int64_t index, const Ex
     }
 
     QString tempFilePathName;
-    Common com;
-    bool bDlnfs = com.isSubpathOfDlnfs(options.strTargetPath);
-    if(!bDlnfs) {
-    QString sDir = com.handleLongNameforPath(strFilePath, strFileName, m_mapLongDirName, m_mapRealDirValue);
+    if(!m_bDlnfs) {
+        QString sDir = m_common->handleLongNameforPath(strFilePath, strFileName, m_mapLongDirName, m_mapRealDirValue);
         if(sDir.length() > 0) {
            strFilePath = sDir.endsWith(QDir::separator())?sDir.left(sDir.length() -1):sDir;
            if(strFileName.endsWith(QDir::separator())) {
diff --git a/3rdparty/libzipplugin/libzipplugin.h b/3rdparty/libzipplugin/libzipplugin.h
index 1398f879..e190fb55 100644
--- a/3rdparty/libzipplugin/libzipplugin.h
+++ b/3rdparty/libzipplugin/libzipplugin.h
@@ -197,6 +197,7 @@ class LibzipPlugin : public ReadWriteArchiveInterface
     QMap<QString, int> m_mapLongDirName;    // 长文件夹统计
     QMap<QString, int> m_mapRealDirValue;   // 长文件真实文件统计
     QSet<QString> m_setLongName;            // 存储被截取之后的文件名称（包含001之类的）
+    bool m_bDlnfs = false;                        //文件系统是否支持长文件
 };
 
 #endif // LIBZIPPLUGIN_H