diff --git a/MultiplethreadDownload/downloadworker.cpp b/MultiplethreadDownload/downloadworker.cpp
index 4bc8f49..fb2760c 100644
--- a/MultiplethreadDownload/downloadworker.cpp
+++ b/MultiplethreadDownload/downloadworker.cpp
@@ -16,10 +16,13 @@ void DownloadWorker::setIdentifier(int identifier)
     this->identifier = identifier;
 }
 
-void DownloadWorker::setParamter(const QString &url, QPair<qint64, qint64> range)
+void DownloadWorker::setParamter(const QString &url, QPair<qint64, qint64> range, QFile *file)
 {
     this->url = url;
-    this->range = range;
+//    this->range = range;
+    this->startPos = range.first;
+    this->endPos = range.second;
+    this->file = file;
 }
 
 void DownloadWorker::doWork()
@@ -28,14 +31,15 @@ void DownloadWorker::doWork()
         QNetworkRequest request;
         request.setUrl(url);
         request.setAttribute(QNetworkRequest::FollowRedirectsAttribute, true);
-        request.setRawHeader("Range", QString("bytes=%1-%2").arg(range.first)
-                    .arg(range.second).toLocal8Bit());
+        request.setRawHeader("Range", QString("bytes=%1-%2").arg(startPos)
+                    .arg(endPos).toLocal8Bit());
 //        QNetworkReply *reply = mgr->get(request);
 //        QNetworkReply *reply = mgr->get(request);
         reply = mgr->get(request);
-        qint64 writePos = range.first;
+//        qDebug() << "开始下载数据：" << QString(" %1~%2 -> writePos Start %3")
+//            .arg(range.first).arg(range.second).arg(writePos);
         qDebug() << "开始下载数据：" << QString(" %1~%2 -> writePos Start %3")
-            .arg(range.first).arg(range.second).arg(writePos);
+            .arg(startPos).arg(endPos).arg(receivedPos);
 //        connect(reply, &QNetworkReply::readyRead, [reply, this](){
 ////            qDebug() << "测试是否触发，午安啦啦啦";
 //            QByteArray data = reply->readAll();
@@ -50,18 +54,31 @@ void DownloadWorker::doWork()
         connect(reply, &QNetworkReply::finished, mgr, &QNetworkAccessManager::deleteLater);
         connect(reply, &QNetworkReply::finished, reply, &QNetworkReply::deleteLater);
         connect(reply, &QNetworkReply::readyRead, this, &DownloadWorker::dataReady);
+        connect(reply, &QNetworkReply::finished, this, &DownloadWorker::slotFinish);
 }
 
 void DownloadWorker::dataReady()
 {
+            qDebug() << QString("测试是否执行: %1 %2").arg(startPos).arg(receivedPos);
             QByteArray data = reply->readAll();
             qDebug() << "获取到了数据" << " " << data.size();
-            emit resultReady(identifier, data);
-            auto controller = qobject_cast<DownloadController*>(parent());
-            QMetaObject::invokeMethod(controller, "handleResults", Qt::DirectConnection,
-                                      Q_ARG(int, identifier), Q_ARG(QByteArray, data));
-//            QMetaObject::invokeMethod(controller, "handleResults", Qt::QueuedConnection,
+//            emit resultReady(identifier, data);
+//            auto controller = qobject_cast<DownloadController*>(parent());
+//            QMetaObject::invokeMethod(controller, "handleResults", Qt::DirectConnection,
 //                                      Q_ARG(int, identifier), Q_ARG(QByteArray, data));
+//            QMetaObject::invokeMethod(controller, "handleResults", Qt::QueuedConnection,
+        file->seek(startPos + receivedPos);
+        file->write(data);
+        qDebug() << QString("%1, %2, %3").arg(startPos).arg(receivedPos).arg(data.size());
+        receivedPos += data.size();
+        //                                      Q_ARG(int, identifier), Q_ARG(QByteArray, data));
+}
+
+void DownloadWorker::slotFinish()
+{
+    file->flush();
+    qDebug() << "数据块下载完毕：" << QString(" %1~%2 -> writePos Start %3")
+        .arg(startPos).arg(endPos).arg(receivedPos);
 }
 
 
@@ -109,15 +126,15 @@ void DownloadController::startDownload(const QString &url, qint64 fileSize)
     qDebug() << QString("查看分段下载：%1 %2").arg(ranges.size()).arg(writePosList.size());
 //    return;
     // 打开文件
-//    QFile file;
-    file.setFileName(filename);
-    if (file.exists())
-        file.remove();
-    if (!file.open(QIODevice::WriteOnly)) {
-        emit errorOccur(file.errorString());
+    file = new QFile;
+    file->setFileName(filename);
+    if (file->exists())
+        file->remove();
+    if (!file->open(QIODevice::WriteOnly)) {
+        emit errorOccur(file->errorString());
         return;
     }
-    file.resize(fileSize);
+    file->resize(fileSize);
 
     // 创建下载线程
 //    qint64 bytesReceived = 0;
@@ -126,8 +143,9 @@ void DownloadController::startDownload(const QString &url, qint64 fileSize)
         auto worker = new DownloadWorker(this);
         auto range = ranges.at(i);
         worker->setIdentifier(i);
-        worker->setParamter(url, range);
-        connect(worker, &DownloadWorker::resultReady, this, &DownloadController::handleResults);
+        worker->setParamter(url, range, file);
+//        connect(worker, &DownloadWorker::resultReady, this, &DownloadController::handleResults);
+
         worker->doWork();
     }
 }
@@ -158,8 +176,8 @@ void DownloadController::handleResults(int identifier, QByteArray data)
     qDebug() << QString("测试哈哈哈: %1 --- %2").arg(writePosList.size()).arg(identifier);
     QMutexLocker lock(&mutex);
     qint64 writePos = writePosList.at(identifier);
-    file.seek(writePos);
-    file.write(data);
+    file->seek(writePos);
+    file->write(data);
     qDebug() << QString("%1, %2, %3").arg(writePos).arg(bytesReceived).arg(data.size());
     writePos += data.size();
     writePosList.replace(identifier, writePos);
diff --git a/MultiplethreadDownload/downloadworker.h b/MultiplethreadDownload/downloadworker.h
index 2facefd..ea81615 100644
--- a/MultiplethreadDownload/downloadworker.h
+++ b/MultiplethreadDownload/downloadworker.h
@@ -13,11 +13,12 @@ class DownloadWorker : public QObject
 public:
     explicit DownloadWorker(QObject *parent = nullptr);
     void setIdentifier(int identifier);
-    void setParamter(const QString &url, QPair<qint64, qint64> range);
+    void setParamter(const QString &url, QPair<qint64, qint64> range, QFile *flle);
 
 public slots:
     void doWork();
     void dataReady();
+    void slotFinish();
 
 signals:
     void resultReady(int identifier, QByteArray data);
@@ -27,8 +28,12 @@ signals:
 private:
     int identifier;
     QString url;
-    QPair<qint64, qint64> range;
+//    QPair<qint64, qint64> range;
+    qint64 startPos;
+    qint64 endPos;
+    qint64 receivedPos = 0;
     QNetworkReply *reply;
+    QFile *file;
 };
 
 class DownloadController : public QObject
@@ -56,7 +61,7 @@ private:
     int threadNum;
     QString filename;
     QVector<QPair<qint64, qint64>> ranges;
-    QFile file;
+    QFile *file;
     qint64 bytesReceived;
     QVector<qint64> writePosList;
     QMutex mutex;