diff --git a/ServerLMS/Systems/commonclienthandler.cpp b/ServerLMS/Systems/commonclienthandler.cpp
index 7822b9a..c7af493 100644
--- a/ServerLMS/Systems/commonclienthandler.cpp
+++ b/ServerLMS/Systems/commonclienthandler.cpp
@@ -5,14 +5,11 @@ CommonClientHandler::CommonClientHandler(QObject *parent) : QObject(parent)
 
 }
 
-void CommonClientHandler::initialize(QMap<int, ClientHandler *> *clientsMap, ProcessingSystem *processingSystem, DataParser *dataParser, Logger *logger)
+void CommonClientHandler::initialize(QMap<int, ClientHandler *> *clientsMap, ProcessingSystem *processingSystem, DataParser *dataParser)
 {
     this->clientsMap = clientsMap;
     this->processingSystem = processingSystem;
     this->dataParser = dataParser;
-    this->logger = logger;
-
-    connect(this,&CommonClientHandler::sigSendToLogger,logger,&Logger::addTextToLogger,Qt::AutoConnection);
 }
 
 void CommonClientHandler::sendNewVersionListToAllClient()
diff --git a/ServerLMS/Systems/commonclienthandler.h b/ServerLMS/Systems/commonclienthandler.h
index 3e50560..f3b5f96 100644
--- a/ServerLMS/Systems/commonclienthandler.h
+++ b/ServerLMS/Systems/commonclienthandler.h
@@ -15,8 +15,7 @@ public:
     explicit CommonClientHandler(QObject *parent = nullptr);
     void initialize(QMap<int, ClientHandler*> *clientsMap,
                     ProcessingSystem *processingSystem,
-                    DataParser *dataParser,
-                    Logger *logger);
+                    DataParser *dataParser);
 
     void sendNewVersionListToAllClient();
     void sendCurrentVersionToAllClient();
@@ -32,8 +31,6 @@ private:
     QMap<int, ClientHandler*> *clientsMap;
     ProcessingSystem *processingSystem;
     DataParser *dataParser;
-    Logger *logger;
-
 };
 
 #endif // COMMONCLIENTHANDLER_H
diff --git a/ServerLMS/Systems/logger.cpp b/ServerLMS/Systems/logger.cpp
index 4ed5e90..e42ba55 100644
--- a/ServerLMS/Systems/logger.cpp
+++ b/ServerLMS/Systems/logger.cpp
@@ -2,10 +2,16 @@
 
 #include <QThread>
 
-
 Logger::Logger()
 {
-    //this->listWidget = widget;
+    connect(this,&Logger::sigAddToLogger, this, &Logger::handleLog,Qt::QueuedConnection);
+    createDirectory();
+}
+
+Logger &Logger::instance()
+{
+    static Logger logger;
+    return logger;
 }
 
 Logger::~Logger()
@@ -13,22 +19,79 @@ Logger::~Logger()
 
 }
 
-void Logger::setTypeLog(QString type)
+void Logger::setLoggingType(LoggingType type)
 {
-    typeLogger = type;
+    this->loggingType = type;
 }
 
-void Logger::addTextToLogger(QString msg)
+void Logger::log(QString message, LogLevel level)
 {
-    if(typeLogger == "widget")
+    emit sigAddToLogger(message,level);
+}
+
+void Logger::setLogFile(QString filePath)
+{
+    QMutexLocker locker(&mutex);
+    if (logFile.isOpen())
     {
-        emit sigSendTextToLogger(msg);
+        logFile.close();
     }
-    else if (typeLogger == "console")
+
+    logFile.setFileName(filePath);
+    logFile.open(QIODevice::WriteOnly | QIODevice::Append);
+}
+
+void Logger::setLogToFile(bool flag)
+{
+    isLogToFile = flag;
+    if (flag)
     {
-        //qDebug() << msg;
-    }else
-    {
-        emit sigSendTextToLogger(msg);
+        QString filePath = logFolderPath + "/" + "log " + QDateTime::currentDateTime().toString("dd-MM-yyyy")+".txt";
+        setLogFile(filePath);
     }
 }
+
+void Logger::handleLog(QString msg, LogLevel logLevel)
+{
+    QString level;
+
+    switch (logLevel)
+    {
+        case INFO: level = "INFO"; break;
+        case WARNING: level = "WARNING"; break;
+        case ERROR: level = "ERROR"; break;
+        case CRITICAL: level = "CRITICAL"; break;
+    }
+
+    QString timeStamp = QDateTime::currentDateTime().toString("hh:mm:ss");
+    QString message = timeStamp + " " + level + " " + msg;
+
+
+    if (loggingType == LoggingType::WIDGET)
+    {
+        emit sigLogToWidget(message);
+    }
+    else if(loggingType == LoggingType::CONSOLE)
+    {
+        qDebug() << message;
+    }
+
+    if(isLogToFile)
+    {
+        QMutexLocker locker(&mutex);
+        if (logFile.isOpen())
+        {
+            QTextStream stream(&logFile);
+            stream << message << "\n";
+        }
+    }
+}
+
+void Logger::createDirectory()
+{
+    QString directoryPath = logFolderPath;
+    QDir dir(directoryPath);
+
+    if(!dir.exists()) dir.mkdir(".");
+
+}
diff --git a/ServerLMS/Systems/logger.h b/ServerLMS/Systems/logger.h
index 7f1c58c..b8fac02 100644
--- a/ServerLMS/Systems/logger.h
+++ b/ServerLMS/Systems/logger.h
@@ -1,25 +1,58 @@
 #ifndef LOGGER_H
 #define LOGGER_H
 
+#include <QPlainTextEdit>
+#include <QDateTime>
+#include <QMutex>
 #include <QObject>
+#include <QDebug>
+#include <QDir>
+#include "Systems/tools.h"
+
+enum LogLevel
+{
+    INFO,
+    WARNING,
+    ERROR,
+    CRITICAL
+};
+
+enum LoggingType
+{
+    WIDGET,
+    CONSOLE,
+    TOFILE
+};
 
 class Logger : public QObject
 {
     Q_OBJECT
 
 public:
-    explicit Logger();
+    Logger();
+    static Logger& instance();
     ~Logger();
-    void setTypeLog(QString type);
+    void setWidget(QPlainTextEdit * widget);
+    void setLoggingType(LoggingType type);
+    void log(QString message,LogLevel level = INFO);
+    void setLogFile(QString filePath);
+    void setLogToFile(bool flag);
+
 public slots:
-    void addTextToLogger(QString msg);
+    void handleLog(QString msg,LogLevel logLevel = INFO);
 
 signals:
-    void sigSendTextToLogger(QString msg);
+    void sigAddToLogger(QString msg, LogLevel logLevel = INFO);
+    void sigLogToWidget(QString message);
 
 private:
-    //ServerLMSWidget *listWidget;
-    QString typeLogger;
+    QString msg;
+    QFile logFile;
+    LoggingType loggingType;
+    QMutex mutex;
+    bool isLogToFile;
+
+    void createDirectory();
 };
 
 #endif // LOGGER_H
diff --git a/ServerLMS/Systems/processingsystem.cpp b/ServerLMS/Systems/processingsystem.cpp
index e9b466e..1c7de4d 100644
--- a/ServerLMS/Systems/processingsystem.cpp
+++ b/ServerLMS/Systems/processingsystem.cpp
@@ -13,7 +13,6 @@ ProcessingSystem::ProcessingSystem(ProviderDBLMS* providerDBLMS, UpdateControlle
 
 void ProcessingSystem::initialize(MultiThreadServer *server, DataParser *dataParser,
                                   CommonClientHandler *commonClientHandler,
-                                  Logger *logger,
                                   UpdateController *updateController,
                                   ChatSystem *chatSystem)
 {
@@ -27,9 +26,8 @@ void ProcessingSystem::initialize(MultiThreadServer *server, DataParser *dataPar
 
     connect(this,&ProcessingSystem::sigStatusTasksAMMofTraineeChanged,commonClientHandler, &CommonClientHandler::slot_StatusTasksAMMofTraineeChanged,Qt::AutoConnection);
     connect(this,&ProcessingSystem::sigStatusTasksFIMofTraineeChanged,commonClientHandler, &CommonClientHandler::slot_StatusTasksFIMofTraineeChanged,Qt::AutoConnection);
-
+    connect(this,&ProcessingSystem::sigUpdateListClients,server,&MultiThreadServer::updateClientList,Qt::AutoConnection);
     connect(this,&ProcessingSystem::sigSetData,updateController,&UpdateController::setDataInfo,Qt::AutoConnection);
-    connect(this,&ProcessingSystem::sigLogMessage,logger,&Logger::addTextToLogger,Qt::QueuedConnection);
 }
 
 void ProcessingSystem::processingClientAutorization(ClientHandler *client, ClientAutorization clientAutorization)
@@ -40,7 +38,7 @@ void ProcessingSystem::processingClientAutorization(ClientHandler *client, Clien
         client->sendXmlAnswer(arrayAnswer);
 
         QString str = QString(arrayAnswer);
-        emit sigLogMessage("To Client: " + str);
+        Logger::instance().log("To Client: " + str);
 
         return;
     }
@@ -108,7 +106,7 @@ void ProcessingSystem::processingClientDeAutorization(ClientHandler *client, Cli
         client->sendXmlAnswer(arrayAnswer);
 
         QString str = QString(arrayAnswer);
-        emit sigLogMessage("To Client: " + str);
+        Logger::instance().log("To Client: " + str);
 
         return;
     }
@@ -498,6 +496,7 @@ void ProcessingSystem::processingClientQueryTasksXML(ClientHandler *client, Clie
     {
         nameFile = tasksFIMfileName;
         pathFile = updateController->getPathAdditionalFile(nameFile);
+        Logger::instance().log(pathFile);
         client->sendFileBlock(pathFile);
         client->sendPacketType(PacketType::TYPE_XMLANSWER_QUERY_TASKS_XML_FIM);
     }
diff --git a/ServerLMS/Systems/processingsystem.h b/ServerLMS/Systems/processingsystem.h
index 7e360cd..e0ff3f2 100644
--- a/ServerLMS/Systems/processingsystem.h
+++ b/ServerLMS/Systems/processingsystem.h
@@ -29,7 +29,6 @@ public:
     void initialize(MultiThreadServer *server,
                     DataParser* dataParser,
                     CommonClientHandler *commonClientServer,
-                    Logger *logger,
                     UpdateController *updateComtroller,
                     ChatSystem *chatSystem);
 
@@ -62,7 +61,6 @@ signals:
     void sigListsInstructorsTraineesChanged();
     void sigStatusTasksAMMofTraineeChanged(int trainee_id);
     void sigStatusTasksFIMofTraineeChanged(int trainee_id);
-    void sigLogMessage(QString log);
     void sigAddToMessanger(QString login,QString text);
     void sigSetData(DataInfo *dataInfo);
 
diff --git a/ServerLMS/Systems/recognizesystem.cpp b/ServerLMS/Systems/recognizesystem.cpp
index 71bbc00..b1920cb 100644
--- a/ServerLMS/Systems/recognizesystem.cpp
+++ b/ServerLMS/Systems/recognizesystem.cpp
@@ -139,7 +139,7 @@ void RecognizeSystem::recognize()
                 stream.commitTransaction();
                 //if(!) continue;
                 //ПОЛУЧЕНИЕ САМОГО ФАЙЛА
-                qDebug() << (Tools::getTime() + "AfterRead size and path BytesAvailable: " + socket->bytesAvailable());
+                Logger::instance().log("AfterRead size and path BytesAvailable: " + QString::number(socket->bytesAvailable()));
 
                 qint64 readSize = 65535;
                 forever
@@ -148,7 +148,7 @@ void RecognizeSystem::recognize()
                     if(fileSize < readSize)
                     {
                         readSize = fileSize;
-                        qDebug() << "LastPackage: " << readSize;
+                        Logger::instance().log("LastPackage: " + QString::number(readSize));
                     }
 
                     socket->waitForReadyRead(20);
@@ -165,7 +165,7 @@ void RecognizeSystem::recognize()
                     if(fileSize == 0) break;
                 }
 
-                qDebug() << (Tools::getTime() + "File loaded");
+                Logger::instance().log("File loaded");
 
                 //ОЧИСТКА ПОСЛЕ ПЕРЕДАЧИ
                 fileSize = 0;
@@ -225,7 +225,7 @@ void RecognizeSystem::recognize()
                 if (file.exists())
                 {
                     file.remove();  //удаление файла, если он уже есть, но необходимо обновить
-                    qDebug() << Tools::getTime() + "Delete exist file: " + filePath;
+                   Logger::instance().log("Delete exist file: " + filePath);
                 }
 
                 if (!file.open(QFile::Append))
@@ -333,11 +333,10 @@ void RecognizeSystem::recognize()
 
                 }
 
-                QString logMessage = Tools::getTime() + " ";
-                logMessage.append("Load from " + client->getLogin() + " ");
+                QString logMessage = "Load from " + client->getLogin() + " ";
                 logMessage.append(fileInfo.fileName());
 
-                emit sigSendToLogger(logMessage);
+               Logger::instance().log(logMessage);
 
                 file.close();
 
diff --git a/ServerLMS/Systems/sendsystem.cpp b/ServerLMS/Systems/sendsystem.cpp
index 3515894..18317da 100644
--- a/ServerLMS/Systems/sendsystem.cpp
+++ b/ServerLMS/Systems/sendsystem.cpp
@@ -1,22 +1,20 @@
 #include "sendsystem.h"
 
-
 SendSystem::SendSystem(QObject *parent) : QObject(parent)
 {
     isSendStopped = false; 
 }
 
-void SendSystem::initialize(DataParser *dataParser,Logger *logger)
+void SendSystem::initialize(DataParser *dataParser,QMutex *globalMutex)
 {
     this->dataParser = dataParser;
-    this->logger = logger;
-
-    connect(this,&SendSystem::sigSendToLogger,logger,&Logger::addTextToLogger,Qt::AutoConnection);
     connect(this,&SendSystem::sigSendXMLmessage,dataParser->ClientAnswer(),&ClientAnswerParser::message,Qt::AutoConnection);
     connect(this,&SendSystem::sigSendNotify,dataParser->ClientAnswer(),&ClientAnswerParser::notify,Qt::DirectConnection); //потому что возвращает значение
     connect(this,&SendSystem::sigSendVersion,dataParser->ClientAnswer(),&ClientAnswerParser::currentVersion,Qt::AutoConnection);
 
     qDebug() << "SendSystem thread: " << QThread::currentThreadId();
+    mutex = globalMutex;
+
 }
 
 void SendSystem::setClient(Client *client,QTcpSocket *socket)
@@ -35,30 +33,35 @@ void SendSystem::sendMessageBlock(QString message)
 
 void SendSystem::sendFileBlock(QString path)
 {
-     qDebug() << "sendFileBlock thread: " << QThread::currentThreadId();
-
+    //qDebug() << "sendFileBlock thread: " << QThread::currentThreadId();
+    Logger::instance().log("TRY LOCK MUTEX : " + client->getLogin(),LogLevel::WARNING);
+    QMutexLocker locker(mutex);
+    Logger::instance().log("LOCK MUTEX " + client->getLogin(),LogLevel::WARNING);
     QFile file(path);
     QFileInfo fileInfo(file);
+    Logger::instance().log("OPEN FILE : " + client->getLogin() + " " + fileInfo.fileName());
 
     if(isSendStopped)
     {             //Поведение на случай отключения клиента
-
         file.close();
+        Logger::instance().log("UNLOCK STOP MUTEX : " + client->getLogin(),LogLevel::ERROR);
         return;
     }
 
     QDataStream stream(socket);
     stream.setVersion(QDataStream::Qt_DefaultCompiledVersion);
 
+    fileSize = file.size();
+    Logger::instance().log("size FILE :" + client->getLogin() + " " + QString::number(fileSize));
 
-    fileSize = fileInfo.size();
-
-    if(fileSize == 0){
-        emit sigSendToLogger(Tools::getTime() +  " WARNING! Zero size " + path);
+    if (fileSize == 0)
+    {
+        Logger::instance().log("Client: " + client->getLogin() +  " WARNING! Zero size " + fileInfo.fileName(),LogLevel::ERROR);
+        Logger::instance().log(path,LogLevel::ERROR);
+        Logger::instance().log("UNLOCK SIZE MUTEX : " + client->getLogin(),LogLevel::ERROR);
         return;
     }
 
-
     stream << PacketType::TYPE_FILE; //Отправляем тип блока
     stream << path << fileSize;
 
@@ -77,14 +80,17 @@ void SendSystem::sendFileBlock(QString path)
         //emit sigSendToLogger(Tools::getTime() + " send file " + fileInfo.fileName());
     }
 
+    Logger::instance().log("Sended to : " + client->getLogin() + " : " + fileInfo.fileName());
     file.close();
+    Logger::instance().log("CLOSE FILE : " + client->getLogin() + " " + fileInfo.fileName());
     countSend = 0;
+    Logger::instance().log("UNLOCK MUTEX : " + client->getLogin(),LogLevel::WARNING);
 }
 
 void SendSystem::sendFileBlockByteArray(QByteArray array, PacketType packetType)
 {
     qDebug() << "sendFileBlockByteArray thread: " << QThread::currentThreadId();
-
+    QMutexLocker locker(mutex);
     if(client->GETTYPE() == TypeClientAutorization::TYPE_QT_CLIENT ||
        client->GETTYPE() == TypeClientAutorization::TYPE_GUI)
     {
@@ -94,7 +100,7 @@ void SendSystem::sendFileBlockByteArray(QByteArray array, PacketType packetType)
         fileSize = array.size();
 
         if(fileSize == 0){
-            emit sigSendToLogger(Tools::getTime() +  " WARNING! Zero size ");
+            Logger::instance().log(" WARNING! Zero size ",LogLevel::ERROR);
             return;
         }
 
@@ -123,6 +129,7 @@ void SendSystem::sendVersion()
 
 void SendSystem::sendFileBlockWithRename(QString path, QString newName)
 {
+    QMutexLocker locker(mutex);
     qDebug() << "sendFileBlockWithRename thread: " << QThread::currentThreadId();
 
     QDataStream stream(socket);
@@ -133,7 +140,7 @@ void SendSystem::sendFileBlockWithRename(QString path, QString newName)
     fileSize = fileInfo.size();
 
     if(fileSize == 0){
-        emit sigSendToLogger(Tools::getTime() +  " WARNING! Zero size " + path);
+        Logger::instance().log("Client: " + client->getLogin() + " WARNING! Zero size " + fileInfo.fileName(),LogLevel::ERROR);
         return;
     }
 
@@ -160,7 +167,7 @@ void SendSystem::sendFileBlockWithRename(QString path, QString newName)
             countSend++;
         }
 
-        emit sigSendToLogger(Tools::getTime() + " send file " + fileInfo.fileName());
+        Logger::instance().log("Send file " + fileInfo.fileName());
     }
 
     file.close();
@@ -194,6 +201,7 @@ void SendSystem::sendDeleteBlock(QString path)
 
 void SendSystem::sendPacketType(PacketType packetType)
 {
+    QMutexLocker locker(mutex);
     if (client->GETTYPE() == TypeClientAutorization::TYPE_QT_CLIENT ||
         client->GETTYPE() == TypeClientAutorization::TYPE_GUI)
     {
@@ -219,6 +227,7 @@ void SendSystem::sendHello()
 
 void SendSystem::sendNotify(QString notify)
 {
+    QMutexLocker locker(mutex);
     qDebug() << "SendNotify thread: " << QThread::currentThreadId();
     auto answer = emit sigSendNotify(notify);//"END");
     sendXmlAnswer(answer);
@@ -226,6 +235,7 @@ void SendSystem::sendNotify(QString notify)
 
 void SendSystem::sendXmlAnswer(QByteArray array, PacketType packetType)
 {
+    QMutexLocker locker(mutex);
     qDebug() << "SendSystemThread: " << QThread::currentThreadId();
     if (client->GETTYPE() == TypeClientAutorization::TYPE_QT_CLIENT ||
         client->GETTYPE() == TypeClientAutorization::TYPE_GUI)
diff --git a/ServerLMS/Systems/sendsystem.h b/ServerLMS/Systems/sendsystem.h
index 4e2146f..79ea0b0 100644
--- a/ServerLMS/Systems/sendsystem.h
+++ b/ServerLMS/Systems/sendsystem.h
@@ -4,6 +4,7 @@
 #include <QObject>
 #include <QString>
 #include <QtNetwork>
+#include <QMutex>
 
 #include <Systems/Parsers/dataparser.h>
 #include <Systems/tools.h>
@@ -12,7 +13,6 @@
 
 class DataParser;
 class FileData;
-
 class SendSystem : public QObject
 {
 
@@ -20,7 +20,7 @@ class SendSystem : public QObject
 public:
     explicit SendSystem(QObject* parent = nullptr);
 
-    void initialize(DataParser* dataParser,Logger *logger);
+    void initialize(DataParser* dataParser,QMutex *globalMutex);
     void setClient(Client* client,QTcpSocket *socket);
     void sendMessageBlock(QString message);
     void sendFileBlock(QString path);
@@ -49,7 +49,6 @@ public slots:
 
 signals:
     void sigLoadHash();
-    void sigSendToLogger(QString message);
     QByteArray sigSendXMLmessage(QString loginFrom, QString loginTo, QString text, QString userType);
     QByteArray sigSendNotify(QString message);
     QByteArray sigSendVersion();
@@ -58,9 +57,8 @@ private:
     Client *client;
     QTcpSocket* socket;
     DataParser* dataParser;
-    Logger *logger;
-    QMutex *mutex;
     quint64 fileSize;
+    QMutex *mutex;
     int countSend;
     bool isSendStopped;
     TypeClientAutorization type;
diff --git a/ServerLMS/Systems/tools.cpp b/ServerLMS/Systems/tools.cpp
index 65f6131..acaa03b 100644
--- a/ServerLMS/Systems/tools.cpp
+++ b/ServerLMS/Systems/tools.cpp
@@ -7,12 +7,6 @@ void Tools::printTime()
     qDebug() << QTime::currentTime().toString("hh:mm:ss.zzz");
 }
 
-
-QString Tools::getTime()
-{
-    return QTime::currentTime().toString("hh:mm:ss.zzz");
-}
-
 QString Tools::createLocalPath(QString path)
 {
     qint8 pos = path.indexOf(applicationFolderName);
diff --git a/ServerLMS/Systems/tools.h b/ServerLMS/Systems/tools.h
index b37a867..f25ebff 100644
--- a/ServerLMS/Systems/tools.h
+++ b/ServerLMS/Systems/tools.h
@@ -28,6 +28,7 @@ static const QString buildDataPath = "/Application/" + projectFolderName + "/RRJ
 static const QString tasksAMMfileName = "/docs.xml";   //"/tasksAmm.xml";
 static const QString tasksFIMfileName = "/tasksFIM.xml";
 static const QString clientHash = staticDataFolderName + "/clientHash.xml";
+static const QString logFolderPath = "log";
 
 static const QString baseNameVersion = "base";//может вынести комманды куда нибудь?
 
diff --git a/ServerLMS/Systems/updatecontroller.cpp b/ServerLMS/Systems/updatecontroller.cpp
index 9b5dbda..b4d6e8b 100644
--- a/ServerLMS/Systems/updatecontroller.cpp
+++ b/ServerLMS/Systems/updatecontroller.cpp
@@ -7,11 +7,11 @@ UpdateController::UpdateController(QObject *parent) :
 {
     buildPath = QDir::currentPath() + "/" + applicationFolderName;
     sharedDataPath = QDir::currentPath() + "/" + sharedDataFolderName;
-    emit sigLogMessage(buildPath);
+    Logger::instance().log(buildPath);
     qDebug() << hashFileName;
 }
 
-void UpdateController::initialize(CommonClientHandler *commonClientHandler,DataParser *dataParser,AssetsManager *assetManager,Logger *logger)
+void UpdateController::initialize(CommonClientHandler *commonClientHandler,DataParser *dataParser,AssetsManager *assetManager)
 {
     this->commonClientHandler = commonClientHandler;
     this->dataParser = dataParser;
@@ -31,8 +31,6 @@ void UpdateController::initialize(CommonClientHandler *commonClientHandler,DataP
         return;
     }
 
-    connect(this,&UpdateController::sigLogMessage,logger,&Logger::addTextToLogger,Qt::AutoConnection);
-
     calculateFullHash();
     currentStreamingPath = assetManager->setVersion("base"); //TODO: сохрнаять предыдущую версию и загружать ее при включении
     setUpCurrentServerHash();
@@ -82,20 +80,19 @@ void UpdateController::compareFiles(ClientHandler* handler, QByteArray array)
 void UpdateController::showHash()
 {
     for(FileData& str : serverDataList){
-        emit sigLogMessage(str.hash);
+        Logger::instance().log(str.hash);
     }
 }
 
 void UpdateController::calculateFullHash()
 {
-    qDebug() << "Calculate hash...";
+    Logger::instance().log("Calculate hash...");
     commonClientHandler->slot_sendPacketToAllClients(PacketType::BUSY);
     auto *list = calculateHash(buildPath);
     saveHash(buildHashName,list);
     calculateSharedHash();
-    emit sigLogMessage("Calculate hash complete");
+    Logger::instance().log("Calculate hash complete");
     commonClientHandler->slot_sendPacketToAllClients(PacketType::FREE);
-    qDebug() << "Calculate complete...";
 }
 
 void UpdateController::calculateFullHashWithSetup()
@@ -175,7 +172,7 @@ QList<FileData>* UpdateController::loadHash(QString filename)
         xmlReader.readNextStartElement();
     }
 
-    emit sigLogMessage("Hash load from file ");
+    Logger::instance().log("Hash load from file ");
 
     return files;
 
@@ -194,8 +191,8 @@ void UpdateController::calculateSize()
         iterator.next();
     }
 
-    emit sigLogMessage("Full size: ");
-    emit sigLogMessage(QString::number(total));
+    Logger::instance().log("Full size: ");
+    Logger::instance().log(QString::number(total));
 }
 
 QString UpdateController::getCommands()
@@ -272,14 +269,13 @@ bool UpdateController::checkNeedUpdate(ClientHandler *handler)
     if(forSend->length() > 0)                   //формирование сообщения об обновлении
     {
         QString log;
-        log.append(Tools::getTime());
         log.append(" Client: " + handler->getClient()->getLogin());
         log.append(" Need updates: ");
         log.append(QString::number(forSend->length()));
         log.append(" objects");
         fileSendList = *forSend;
 
-        emit sigLogMessage(log);
+        Logger::instance().log(log);
         //printFileList(*forSend);
 
         handler->sendMessageBlock(log);
@@ -288,16 +284,14 @@ bool UpdateController::checkNeedUpdate(ClientHandler *handler)
     else
     {
         QString log;
-        log.append(Tools::getTime());
         log.append(" Client: " + handler->getClient()->getLogin());
         log.append(" no update required");
-        emit sigLogMessage(log);
+        Logger::instance().log(log);
         handler->sendMessageBlock(log);
     }
 
     if(forDelete->length() > 0){
         QString log;
-        log.append(Tools::getTime());
         log.append(" Client: " + handler->getClient()->getLogin());
 
         log.append(" Need delete: ");
@@ -305,7 +299,7 @@ bool UpdateController::checkNeedUpdate(ClientHandler *handler)
         log.append(" objects");
         fileDeleteList = *forDelete;
 
-        emit sigLogMessage(log);
+        Logger::instance().log(log);
         //printFileList(*forDelete);
         handler->sendMessageBlock(log);
         needUpdate = true;
@@ -313,11 +307,10 @@ bool UpdateController::checkNeedUpdate(ClientHandler *handler)
     else
     {
         QString log;
-        log.append(Tools::getTime());
         log.append(" Client: " + handler->getClient()->getLogin());
         log.append(" no delete required");
 
-        emit sigLogMessage(log);
+        Logger::instance().log(log);
         handler->sendMessageBlock(log);
     }
 
@@ -542,7 +535,7 @@ void UpdateController::printFileList(QList<FileData> fileData)
    while (iterator.hasNext())
    {
        auto next = iterator.next();
-       emit sigLogMessage(next.path);
+       Logger::instance().log(next.path);
    }
 }
 
diff --git a/ServerLMS/Systems/updatecontroller.h b/ServerLMS/Systems/updatecontroller.h
index b3046dc..ffb6312 100644
--- a/ServerLMS/Systems/updatecontroller.h
+++ b/ServerLMS/Systems/updatecontroller.h
@@ -32,7 +32,7 @@ class UpdateController : public QObject
 public:
 
     explicit UpdateController(QObject *parent = 0);
-    void initialize(CommonClientHandler* commonClientHandler,DataParser *dataParser,AssetsManager *assetManager,Logger *logger);
+    void initialize(CommonClientHandler* commonClientHandler,DataParser *dataParser,AssetsManager *assetManager);
     void compareFiles(ClientHandler* handler, QByteArray array);
     void showHash();
     void calculateFullHash();
@@ -68,7 +68,6 @@ public slots:
     void setUpCurrentServerHash();
 
 signals:
-    void sigLogMessage(QString message);
     void sigErrorRequired(int code);
 
 private:
diff --git a/ServerLMS/clienthandler.cpp b/ServerLMS/clienthandler.cpp
index 5e1f576..d11c873 100644
--- a/ServerLMS/clienthandler.cpp
+++ b/ServerLMS/clienthandler.cpp
@@ -10,7 +10,7 @@ ClientHandler::ClientHandler( QObject *parent):
 }
 
 void ClientHandler::initialize(int descriptor,ServerLMSWidget *serverWidget,
-    UpdateController *updateController,DataParser *dataParser,Logger *logger)
+    UpdateController *updateController,DataParser *dataParser)
 {
     this->socket = new QTcpSocket;
     this->thread = new QThread;
@@ -40,7 +40,7 @@ void ClientHandler::initialize(int descriptor,ServerLMSWidget *serverWidget,
 
     connect(this,&ClientHandler::sigSendXmlAnswer,sendSystem,&SendSystem::sendXmlAnswer,Qt::AutoConnection);
     connect(this,&ClientHandler::sigInitSender,sendSystem,&SendSystem::initialize,Qt::AutoConnection);
-    connect(this,&ClientHandler::sigFileBlock,sendSystem,&SendSystem::sendFileBlock,Qt::AutoConnection);
+    connect(this,&ClientHandler::sigFileBlock,sendSystem,&SendSystem::sendFileBlock,Qt::QueuedConnection);
     connect(this,&ClientHandler::sigFileBlockByteArray,sendSystem,&SendSystem::sendFileBlockByteArray,Qt::AutoConnection);
     connect(this,&ClientHandler::sigFolderBlock,sendSystem,&SendSystem::sendFolderBlock,Qt::AutoConnection);
     connect(this,&ClientHandler::sigGetIsSendStopped,sendSystem,&SendSystem::getIsSendStopped,Qt::AutoConnection);
@@ -61,9 +61,7 @@ void ClientHandler::initialize(int descriptor,ServerLMSWidget *serverWidget,
 
     recognizeSystem->initialize(updateController,dataParser,serverWidget,sendSystem, this);
     sendSystem->setClient(client,socket);
-
-    connect(recognizeSystem,&RecognizeSystem::sigSendToLogger,logger,&Logger::addTextToLogger);
-    emit sigInitSender(dataParser,logger);
+    emit sigInitSender(dataParser,serverWidget->getMutex());
 }
 
 void ClientHandler::setClient(Client *value)
diff --git a/ServerLMS/clienthandler.h b/ServerLMS/clienthandler.h
index a1641aa..b9189af 100644
--- a/ServerLMS/clienthandler.h
+++ b/ServerLMS/clienthandler.h
@@ -24,7 +24,7 @@ class ClientHandler : public QObject
 
 public:
     ClientHandler(QObject* parent = nullptr);
-    void initSender(DataParser *dataParser,Logger *logger);
+    void initSender(DataParser *dataParser);
     void sendXmlAnswer(QByteArray array, PacketType packetType = PacketType::TYPE_XMLANSWER);
     void sendFolderBlock(QString path);
     void sendFileBlock(QString path);
@@ -51,7 +51,7 @@ public:
 
 signals:
     void sigSendXmlAnswer(QByteArray array, PacketType packetType);
-    void sigInitSender (DataParser *dataParse,Logger *logger);
+    void sigInitSender (DataParser *dataParse, QMutex *mutex);
     void sigFolderBlock(QString path);
     void sigFileBlock(QString path);
     void sigFileBlockByteArray(QByteArray array, PacketType packetType);
@@ -76,7 +76,7 @@ public :
     QTcpSocket *socket;
 
     void initialize(int descriptor, ServerLMSWidget *serverWidget,
-                    UpdateController *updateController, DataParser *dataParser,Logger *logger);
+                    UpdateController *updateController, DataParser *dataParser);
     void setClient(Client *value);
 private:
     UpdateController *updateController;
diff --git a/ServerLMS/multithreadserver.cpp b/ServerLMS/multithreadserver.cpp
index 90f68dc..3b4956a 100644
--- a/ServerLMS/multithreadserver.cpp
+++ b/ServerLMS/multithreadserver.cpp
@@ -1,18 +1,16 @@
 #include "multithreadserver.h"
 
 MultiThreadServer::MultiThreadServer(ServerLMSWidget *widget,UpdateController *updateController,ProcessingSystem *processingSystem,
-    DataParser *dataParser,Logger *logger,qint16 hostPort, QObject *parent ):
+    DataParser *dataParser,qint16 hostPort, QObject *parent ):
     QTcpServer(parent),
     serverLmsWidget(widget),
     hostPort(hostPort),
     processingSystem(processingSystem),
     updateController(updateController),
     dataParser(dataParser),
-    logger(logger),
     stateServer(stoped),
     stateBlockAutorization(unblocked)
 {
-    connect(this,&MultiThreadServer::sigSendToLogger,logger,&Logger::addTextToLogger);
     clientsMap = new QMap<int,ClientHandler*>;
 }
 
@@ -22,13 +20,12 @@ void MultiThreadServer::incomingConnection(qintptr socketDesriptor)
 
     connect(this,&MultiThreadServer::sigInitClient,newClient,&ClientHandler::initialize,Qt::AutoConnection);
     connect(newClient,&ClientHandler::sigClientDisconnected,this,&MultiThreadServer::slotDisconnectClient,Qt::AutoConnection);
-
-    emit sigInitClient(socketDesriptor,serverLmsWidget,updateController,dataParser,logger);
+    emit sigInitClient(socketDesriptor,serverLmsWidget,updateController,dataParser);
     disconnect(this,&MultiThreadServer::sigInitClient,newClient,&ClientHandler::initialize);
 
     addClient(socketDesriptor,newClient);
 
-    emit sigSendToLogger("To Client: " + QString(SERVER_HELLO));
+    Logger::instance().log("To Client: " + QString(SERVER_HELLO));
 }
 
 bool MultiThreadServer::startServer()
@@ -39,13 +36,13 @@ bool MultiThreadServer::startServer()
 
         if(!listen(QHostAddress::Any, hostPort))
         {
-            logger->addTextToLogger("SERVER: start ERROR");
+            Logger::instance().log("SERVER: start ERROR");
             stateServer = stoped;
             return false;
         }
         else
         {
-            logger->addTextToLogger("SERVER: start OK");
+            Logger::instance().log("SERVER: start OK");
             stateServer = started;
             return true;
         }
@@ -131,7 +128,7 @@ void MultiThreadServer::slotDisconnectClient(QString peerAddress, QString peerPo
     }
 
     emit signalStopSendFile();
-    emit sigSendToLogger("SERVER: Client " + login + " disconnected");
+    Logger::instance().log("SERVER: Client " + login + " disconnected");
 
     serverLmsWidget->slotUpdateListClients();
     serverLmsWidget->getProcessingSystem()->processingClientDeAutorization(login);
diff --git a/ServerLMS/multithreadserver.h b/ServerLMS/multithreadserver.h
index 761b61f..f748395 100644
--- a/ServerLMS/multithreadserver.h
+++ b/ServerLMS/multithreadserver.h
@@ -12,7 +12,7 @@ class MultiThreadServer : public QTcpServer
 
 public:
     MultiThreadServer(ServerLMSWidget *widget,UpdateController *updateController,ProcessingSystem *processingSystem,
-        DataParser *dataParser,Logger *logger, qint16 hostPort, QObject *parent = nullptr);
+        DataParser *dataParser, qint16 hostPort, QObject *parent = nullptr);
 
 
     QMap<int, ClientHandler *> *getClientsMap() const;
@@ -35,9 +35,8 @@ public:
     }
 signals:
     void sigInitClient(int descriptor, ServerLMSWidget *serverWidget,
-                       UpdateController *updateController, DataParser *dataParser,Logger *logger);
+                       UpdateController *updateController, DataParser *dataParser);
     void signalStopSendFile();
-    void sigSendToLogger(QString text);
 
 public slots:
     void slotDisconnectClient(QString peerAddress, QString peerPort);
@@ -51,7 +50,6 @@ private:
     ProcessingSystem *processingSystem;
     UpdateController *updateController;
     DataParser *dataParser;
-    Logger *logger;
 
     EStateServer stateServer;
     EStateBlockAutorization stateBlockAutorization;
diff --git a/ServerLMS/serverlmswidget.cpp b/ServerLMS/serverlmswidget.cpp
index f083b1b..b5a9979 100644
--- a/ServerLMS/serverlmswidget.cpp
+++ b/ServerLMS/serverlmswidget.cpp
@@ -17,13 +17,14 @@ ServerLMSWidget::ServerLMSWidget(QWidget *parent) :
     dataParser(nullptr),
     processingSystem(nullptr),
     updateController(nullptr),
-    logger(nullptr),
     providerDBLMS(nullptr)
 {
     ui->setupUi(this);
+    mutex = new QMutex;
 
     qRegisterMetaType<PacketType>("PacketType");
     qRegisterMetaType<UserType>("UserType");
+    qRegisterMetaType<LogLevel>("LogLevel");
     errorCode = 0;
 
     ui->btnStopServer->setEnabled(false);
@@ -40,13 +41,9 @@ ServerLMSWidget::ServerLMSWidget(QWidget *parent) :
     providerDBLMS->ConnectionToDB();
     providerDBLMS->deAuthorizationAll();
 
-    logger = new Logger();
     chatSystem = new ChatSystem();
 
     connect(providerDBLMS, &ProviderDBLMS::signal_BlockAutorization, this, &ServerLMSWidget::slot_BlockAutorization);
-    connect(logger,&Logger::sigSendTextToLogger,this,&ServerLMSWidget::slotAddToLog,Qt::AutoConnection);
-
-    logger->moveToThread(loggerThread);
 
     assetsManager = new AssetsManager;
     assetsManager->moveToThread(updateThread);
@@ -60,24 +57,25 @@ ServerLMSWidget::ServerLMSWidget(QWidget *parent) :
     dataParser = new DataParser(assetsManager,processingSystem);
 
     commonClientHandler = new CommonClientHandler;
-    server = new MultiThreadServer(this,updateController,processingSystem,dataParser,logger,6000);
+    server = new MultiThreadServer(this,updateController,processingSystem,dataParser,6000);
 
     loggerThread->start();
     updateThread->start();
 
-    commonClientHandler->initialize(server->getClientsMap(),processingSystem,dataParser,logger);
-    processingSystem->initialize(server,dataParser,commonClientHandler,logger,updateController,chatSystem);
+    commonClientHandler->initialize(server->getClientsMap(),processingSystem,dataParser);
+    processingSystem->initialize(server,dataParser,commonClientHandler,updateController,chatSystem);
     chatSystem->initialize(commonClientHandler,dataParser,server->getClientsMap());
 
-    logger->setTypeLog("widget");
-    connect(dataParser,&DataParser::sigLogMessage,logger,&Logger::addTextToLogger);
+    Logger::instance().moveToThread(loggerThread);
+    Logger::instance().setLoggingType(LoggingType::CONSOLE);
+    Logger::instance().setLogToFile(true);
 
     connect(this,&ServerLMSWidget::sigUpdateController,updateController,&UpdateController::initialize,Qt::DirectConnection);
-    connect(this,&ServerLMSWidget::sigLog,logger,&Logger::addTextToLogger,Qt::AutoConnection);
     connect(this,&ServerLMSWidget::sigCalculateFullHash,updateController,&UpdateController::calculateFullHash,Qt::AutoConnection);
     connect(updateController,&UpdateController::sigErrorRequired,this,&ServerLMSWidget::setError);
+    connect(&Logger::instance(),&Logger::sigLogToWidget,this, &ServerLMSWidget::addToLog,Qt::QueuedConnection);
 
-    emit sigUpdateController(commonClientHandler,dataParser,assetsManager,logger);
+    emit sigUpdateController(commonClientHandler,dataParser,assetsManager);
     on_btnStartServer_clicked();
 
     first = true;
@@ -98,12 +96,6 @@ ServerLMSWidget::~ServerLMSWidget()
 }
 
 
-
-Logger *ServerLMSWidget::getLogger() const
-{
-    return logger;
-}
-
 void ServerLMSWidget::slotUpdateListClients()
 {
     //Очищаем список
@@ -119,7 +111,12 @@ void ServerLMSWidget::slotUpdateListClients()
     }
 
     int countClients = (*server->getClientsMap()).count();
-    emit sigLog("SERVER: countClients = " + QString::number(countClients));
+    Logger::instance().log("SERVER: countClients = " + QString::number(countClients));
+}
+
+void ServerLMSWidget::addToLog(QString message)
+{
+    ui->loggerTextField->appendPlainText(message);
 }
 
 void ServerLMSWidget::slot_BlockAutorization(bool block)
@@ -136,12 +133,6 @@ void ServerLMSWidget::slot_LanguageChanged(QString language)
     qApp->installTranslator(&qtLanguageTranslator);
 }
 
-void ServerLMSWidget::slotAddToLog(QString msg)
-{
-    ui->listWidgetLogger->addItem(msg);
-    ui->listWidgetLogger->scrollToBottom();
-}
-
 void ServerLMSWidget::on_btnStartServer_clicked()
 {
     if(server->startServer())
@@ -165,6 +156,11 @@ void ServerLMSWidget::on_btnStopServer_clicked()
     }
 }
 
+QMutex *ServerLMSWidget::getMutex() const
+{
+    return mutex;
+}
+
 void ServerLMSWidget::changeEvent(QEvent *event)
 {
     // В случае получения события изменения языка приложения
diff --git a/ServerLMS/serverlmswidget.h b/ServerLMS/serverlmswidget.h
index cae2965..77b8357 100644
--- a/ServerLMS/serverlmswidget.h
+++ b/ServerLMS/serverlmswidget.h
@@ -58,9 +58,8 @@ protected:
 
 signals:
     void sigRecognize();
-    void sigLog(QString log);
     void sigCalculateFullHash();
-    void sigUpdateController(CommonClientHandler* commonClientHandler,DataParser *dataParser,AssetsManager *assetManager,Logger *logger);
+    void sigUpdateController(CommonClientHandler* commonClientHandler,DataParser *dataParser,AssetsManager *assetManager);
 
     QTcpSocket* sigGetSocket();
 
@@ -68,8 +67,7 @@ public slots:
     void slot_LanguageChanged(QString language);
     void slotUpdateListClients();
     void slot_BlockAutorization(bool block);
-    void slotAddToLog(QString msg);
-
+    void addToLog(QString message);
 public:
     void removeClient(int socketId);
 
@@ -83,7 +81,7 @@ public:
         return processingSystem;
     }
 
-    Logger *getLogger() const;
+    QMutex *getMutex() const;
 
 private slots:
     void on_btnStartServer_clicked();
@@ -96,12 +94,12 @@ private:
     MultiThreadServer *server;
     QThread *updateThread;
     QThread *loggerThread;
+    QMutex *mutex;
 
     DataParser *dataParser;
     ProcessingSystem *processingSystem;
     UpdateController *updateController;
     AssetsManager *assetsManager;
-    Logger *logger;
     CommonClientHandler *commonClientHandler;
     ChatSystem *chatSystem;
 
diff --git a/ServerLMS/serverlmswidget.ui b/ServerLMS/serverlmswidget.ui
index db46443..3b14ed6 100644
--- a/ServerLMS/serverlmswidget.ui
+++ b/ServerLMS/serverlmswidget.ui
@@ -43,18 +43,9 @@
            <item row="0" column="0">
             <layout class="QVBoxLayout" name="verticalLayout">
              <item>
-              <widget class="QListWidget" name="listWidgetLogger">
-               <property name="sizePolicy">
-                <sizepolicy hsizetype="Expanding" vsizetype="Preferred">
-                 <horstretch>0</horstretch>
-                 <verstretch>0</verstretch>
-                </sizepolicy>
-               </property>
-               <property name="minimumSize">
-                <size>
-                 <width>0</width>
-                 <height>200</height>
-                </size>
+              <widget class="QPlainTextEdit" name="loggerTextField">
+               <property name="readOnly">
+                <bool>true</bool>
                </property>
               </widget>
              </item>