fix: local file up blank bug.

ClientCore/ClientCore.cpp

@@ -72,7 +72,6 @@ void ClientCore::UseFrame(QSharedPointer<FrameBuffer> frame)
     case FrameBufferType::FBT_CLI_ASK_DIRFILE: {
         DirFileInfoVec vec;
         InfoMsg info = infoUnpack<InfoMsg>(frame->data);
-        vec.root = info.msg;
         if (!localFile_.GetDirFile(info.msg, vec)) {
             qWarning() << QString(tr("get dir file failed use %1")).arg(info.msg);
             return;

Gui/Control/FileControl.cpp

@@ -172,13 +172,13 @@ void FileManager::evtUp()
 {
     QString path(curRoot_);
     QDir dir(path);
-    dir.cdUp();
+    if (!dir.cdUp()) {
+        return;
+    }
     path = dir.path();
-
     if (path.isEmpty()) {
         return;
     }
-
     auto r = fileHelper_->GetDirFile(path);
     if (r) {
         curRoot_ = path;

Util/LocalFile.cpp

@@ -24,6 +24,7 @@ bool LocalFile::GetDirFile(const QString& dir)
 bool LocalFile::GetDirFile(const QString& dir, DirFileInfoVec& vec)
 {
     vec.vec.clear();
+    vec.root = dir;
 
     QDir qdir(dir);
     if (!qdir.exists()) {