diff --git a/ServerLMS/Systems/recognizesystem.cpp b/ServerLMS/Systems/recognizesystem.cpp
index 8e30805..2389ca6 100644
--- a/ServerLMS/Systems/recognizesystem.cpp
+++ b/ServerLMS/Systems/recognizesystem.cpp
@@ -90,13 +90,23 @@ void RecognizeSystem::recognize()
         if (command == commandUpdateFilesClient)        //запускает процесс оновления
         {
             sendSystem->updateFiles(updateController->getFileSendList(),
-                                    updateController->getClientDataList());
+                                    updateController->getFileDeleteList());
 
             qDebug()<< "Call update";
             packetType = PacketType::TYPE_NONE;
             command = "";
         }
 
+        if(command == "check")
+        {
+            command = "";
+            QFile checkFile(clientHash);
+            checkFile.open(QIODevice::ReadOnly);
+            updateController->compareFiles(clientHandler,checkFile.readAll());
+            checkFile.close();
+
+        }
+
         if (packetType == PacketType::TYPE_XMLANSWER)
         {
 
@@ -280,14 +290,6 @@ void RecognizeSystem::recognize()
 
                 file.close();
 
-                if(command == "check")
-                {
-                    QFile checkFile(filePath);
-                    checkFile.open(QIODevice::ReadOnly);
-                    updateController->compareFiles(clientHandler,checkFile.readAll());
-                    checkFile.close();
-                }
-
                 filePath.clear();
                 fileSize = 0;
                 tmpBlock.clear();
diff --git a/ServerLMS/Systems/tools.h b/ServerLMS/Systems/tools.h
index f78fff9..e896664 100644
--- a/ServerLMS/Systems/tools.h
+++ b/ServerLMS/Systems/tools.h
@@ -22,6 +22,7 @@ static const QString versionListFile = staticDataFolderName + "/versionList.xml"
 static const QString hashFileName = staticDataFolderName + "/serverHash.xml";
 static const QString buildHashName = staticDataFolderName + "/buildHash.xml";
 static const QString buildDataPath = "/Application/RRJLoader/RRJ_Data/";
+static const QString clientHash = staticDataFolderName + "/clientHash.xml";
 
 static const QString baseNameVersion = "base";//может вынести комманды куда нибудь?
 
diff --git a/ServerLMS/Systems/updatecontroller.cpp b/ServerLMS/Systems/updatecontroller.cpp
index 7a548c1..088337f 100644
--- a/ServerLMS/Systems/updatecontroller.cpp
+++ b/ServerLMS/Systems/updatecontroller.cpp
@@ -59,7 +59,6 @@ void UpdateController::compareFiles(ClientHandler* handler, QByteArray array)
     loadHash();
     clientDataList.clear();
     xmlFileDataParse(array);
-    clientDataList.append(*datas);
     checkNeedUpdate(handler);
     mutex->unlock();
 }
@@ -182,8 +181,6 @@ QString UpdateController::getCommands()
 
 }
 
-
-
 void UpdateController::setUpCurrentServerHash()
 {
     QList<FileData> *fileList = new QList<FileData>;
@@ -296,62 +293,121 @@ QList<FileData>* UpdateController::calculateHash(QString path)
 {
     serverDataList.clear();
 
-    QDirIterator iterator(path,QDirIterator::Subdirectories);
     if(!QDir(path).exists()){
         QDir().mkdir(path);
     }
 
-    QDir dir(path);
-    dir.setFilter(QDir::NoDotAndDotDot);
     QString hashString;
+    QStringList filter;
+    filter << "*";
     QList<FileData> *files = new QList<FileData>;
 
-    while (iterator.hasNext())
+    QDirIterator dirIterator(path,filter, QDir::AllEntries | QDir::NoDotAndDotDot, QDirIterator::Subdirectories);
+
+    while (dirIterator.hasNext())
     {
-        iterator.next();
-        QFileInfo fileInfo = iterator.fileInfo();
+        QFileInfo fileInfo(dirIterator.next());
         FileData currentFile;
-        QFile file(fileInfo.absoluteFilePath());
-
-        quint64 fileSize = file.size();
-        const quint64 bufferSize = 10240;
-
-        if (fileInfo.isHidden()) continue;
-
-        if(fileInfo.isFile() && file.open(QIODevice::ReadOnly) && !fileInfo.fileName().contains(".meta"))
+        if(fileInfo.isDir() && !fileInfo.fileName().startsWith(".") && fileInfo.fileName() != "RRJLoader")
         {
-            char buffer[bufferSize];
-            int bytesRead;
-            int readSize = qMin(fileSize,bufferSize);
-
-            QCryptographicHash hash(QCryptographicHash::Md5);
-            while(readSize > 0 && (bytesRead = file.read(buffer,readSize)) > 0){
-                fileSize -= bytesRead;
-                hash.addData(buffer,bytesRead);
-                readSize = qMin(fileSize,bufferSize);
-            }
-
-            hashString = QString(hash.result().toHex());
-            currentFile.hash = hashString;
             currentFile.path = Tools::createLocalPath(fileInfo.absoluteFilePath());
-
-            files->push_back(currentFile);
-            file.close();
-
-        }
-        else if(fileInfo.isDir() && fileInfo.fileName() != ".." && !fileInfo.isRoot())
-        {
             currentFile.hash = "FOLDER";
-            currentFile.path = Tools::createLocalPath(fileInfo.path());
 
-            if(!files->contains(currentFile)){
+            if(!files->contains(currentFile))
+            {
                 files->push_back(currentFile);
             }
         }
     }
 
-    std::sort(files->begin(),files->end());
+    QDirIterator fileIterator(path,filter,QDir::Files | QDir::NoDotAndDotDot,QDirIterator::Subdirectories);
+
+    while (fileIterator.hasNext())
+        {
+            fileIterator.next();
+            QFileInfo fileInfo = fileIterator.fileInfo();
+            FileData currentFile;
+            QFile file(fileInfo.absoluteFilePath());
+
+            quint64 fileSize = file.size();     //буффер для хэширования крупных файлов
+            const quint64 bufferSize = 10240;
+
+            if(fileInfo.isHidden()) continue;
+
+            if(fileInfo.isFile() && file.open(QIODevice::ReadOnly) && !fileInfo.fileName().contains(".meta"))
+            {
+                char buffer[bufferSize];
+                int bytesRead;
+                int readSize = qMin(fileSize,bufferSize);
+
+                QCryptographicHash hash(QCryptographicHash::Md5);
+
+                while(readSize > 0 && (bytesRead = file.read(buffer,readSize)) > 0)
+                {
+                    fileSize -= bytesRead;
+                    hash.addData(buffer,bytesRead);
+                    readSize = qMin(fileSize,bufferSize);
+                }
+
+                hashString = QString(hash.result().toHex());
+                currentFile.path = Tools::createLocalPath(fileInfo.absoluteFilePath());
+                currentFile.hash = hashString;
+                files->push_back(currentFile);
+                file.close();
+            }
+    }
     serverDataList.append(*files);
+
+//    QDirIterator iterator(path,QDirIterator::Subdirectories);
+//    QDir dir(path);
+//    dir.setFilter(QDir::NoDotAndDotDot);
+
+//    while (iterator.hasNext())
+//    {
+//        iterator.next();
+//        QFileInfo fileInfo = iterator.fileInfo();
+//        FileData currentFile;
+//        QFile file(fileInfo.absoluteFilePath());
+
+//        quint64 fileSize = file.size();
+//        const quint64 bufferSize = 10240;
+
+//        if (fileInfo.isHidden()) continue;
+
+//        if(fileInfo.isFile() && file.open(QIODevice::ReadOnly) && !fileInfo.fileName().contains(".meta"))
+//        {
+//            char buffer[bufferSize];
+//            int bytesRead;
+//            int readSize = qMin(fileSize,bufferSize);
+
+//            QCryptographicHash hash(QCryptographicHash::Md5);
+//            while(readSize > 0 && (bytesRead = file.read(buffer,readSize)) > 0){
+//                fileSize -= bytesRead;
+//                hash.addData(buffer,bytesRead);
+//                readSize = qMin(fileSize,bufferSize);
+//            }
+
+//            hashString = QString(hash.result().toHex());
+//            currentFile.hash = hashString;
+//            currentFile.path = Tools::createLocalPath(fileInfo.absoluteFilePath());
+
+//            files->push_back(currentFile);
+//            file.close();
+
+//        }
+//        else if(fileInfo.isDir() && fileInfo.fileName() != ".." && !fileInfo.isRoot())
+//        {
+//            currentFile.hash = "FOLDER";
+//            currentFile.path = Tools::createLocalPath(fileInfo.path());
+
+//            if(!files->contains(currentFile)){
+//                files->push_back(currentFile);
+//            }
+//        }
+//    }
+
+//    std::sort(files->begin(),files->end());
+//
     return files;
 }
 
@@ -499,7 +555,6 @@ bool UpdateController::checkDuplicate(QString versionName)
 void UpdateController::xmlFileDataParse(QByteArray array)
 {
     QXmlStreamReader xmlReader(array);
-    datas = new QList<FileData>;
     xmlReader.readNext();
 
     //Крутимся в цикле до тех пор, пока не достигнем конца документа
@@ -523,7 +578,7 @@ void UpdateController::xmlFileDataParse(QByteArray array)
                         data.hash = value;
                 }
 
-                datas->append(data);
+                clientDataList.append(data);
             }
         }
 
@@ -565,11 +620,6 @@ DataInfo *UpdateController::getCurrentDataInfo()
     return dataInfo;
 }
 
-QList<FileData> *UpdateController::getDatas() const
-{
-    return datas;
-}
-
 void UpdateController::clearCurrentDataInfo()
 {
     delete dataInfo;
diff --git a/ServerLMS/Systems/updatecontroller.h b/ServerLMS/Systems/updatecontroller.h
index 611ef2f..efe3aee 100644
--- a/ServerLMS/Systems/updatecontroller.h
+++ b/ServerLMS/Systems/updatecontroller.h
@@ -51,7 +51,6 @@ public:
 
     DataInfo *getCurrentDataInfo();
     void clearCurrentDataInfo();
-    QList<FileData> *getDatas() const;
     void createVersionListXmlAnswer(QList<StreamingVersionData *> version);
     void saveVersionToFile(StreamingVersionData *streamingVersion);
     void xmlFileDataParse(QByteArray array);
@@ -71,7 +70,6 @@ private:
     QList<FileData> fileSendList;
     QList<FileData> fileDeleteList;
 
-    QList<FileData> *datas;
     DataInfo *dataInfo;
 
     QString buildPath;