diff --git a/src/backend/downloadworker.cpp b/src/backend/downloadworker.cpp
index 7bbe142..8b70540 100644
--- a/src/backend/downloadworker.cpp
+++ b/src/backend/downloadworker.cpp
@@ -1,9 +1,7 @@
 #include "downloadworker.h"
 
-#include <QEventLoop>
 #include <QProcess>
 #include <QRegularExpression>
-#include <QDir>
 #include <QtConcurrent>
 #include <QStandardPaths>
 
diff --git a/src/backend/downloadworker.h b/src/backend/downloadworker.h
index 83061c1..6b7110e 100644
--- a/src/backend/downloadworker.h
+++ b/src/backend/downloadworker.h
@@ -2,9 +2,7 @@
 #define DOWNLOADWORKER_H
 
 #include <QObject>
-#include <QList>
-#include <QFile>
-#include <QNetworkReply>
+#include <QVector>
 
 class DownloadController : public QObject
 {
@@ -19,23 +17,19 @@ public:
     qint64 getFileSize(const QString& url);
     QString replaceDomain(const QString& url, const QString domain);
 
+signals:
+    void errorOccur(const QString& msg);
+    void downloadProcess(QString, qint64, qint64);
+    void downloadFinished();
+
 private:
     int threadNum;
     qint64 pidNumber = -1;
     QString filename;
     qint64 fileSize;
     QVector<QPair<qint64, qint64>> ranges;
-    QFile *file;
     bool finished = false;
     QVector<QString> domains;
-
-
-
-signals:
-    void errorOccur(const QString& msg);
-    void downloadProcess(QString, qint64, qint64);
-    void downloadFinished();
-
 };
 
 #endif // FILEDOWNLOADWORKER_H
diff --git a/src/mainwindow-dtk.cpp b/src/mainwindow-dtk.cpp
index ca7bb13..19582d0 100644
--- a/src/mainwindow-dtk.cpp
+++ b/src/mainwindow-dtk.cpp
@@ -3,6 +3,7 @@
 #include "utils/widgetanimation.h"
 #include "widgets/common/progressbutton.h"
 #include "widgets/downloadlistwidget.h"
+#include "widgets/common/downloaditem.h"
 #include "dbus/dbussparkstoreservice.h"
 #include "application.h"
 
@@ -10,6 +11,7 @@
 #include <DWidgetUtil>
 #include <DGuiApplicationHelper>
 
+#include <QDesktopServices>
 #include <QAbstractButton>
 #include <QtConcurrent>
 
@@ -427,7 +429,8 @@ void MainWindow::notify(QObject *receiver, QEvent *event)
         return;
     }
 
-    if (receiver->inherits("QWidgetWindow")) {
+    if (receiver->inherits("QWidgetWindow")
+        || receiver->inherits("QStyleSheetStyle")) {
         return;
     }
 
diff --git a/src/pages/appintopage.cpp b/src/pages/appintopage.cpp
index 783f97d..1bd59f5 100644
--- a/src/pages/appintopage.cpp
+++ b/src/pages/appintopage.cpp
@@ -2,8 +2,10 @@
 #include "ui_appintopage.h"
 #include "backend/sparkapi.h"
 #include "widgets/downloadlistwidget.h"
+#include "widgets/common/downloaditem.h"
 #include "backend/image_show.h"
 #include "application.h"
+#include "utils/utils.h"
 
 #include <QtConcurrent>
 #include <QClipboard>
diff --git a/src/pages/appintopage.h b/src/pages/appintopage.h
index f696e7a..5541d38 100644
--- a/src/pages/appintopage.h
+++ b/src/pages/appintopage.h
@@ -1,8 +1,6 @@
 #ifndef APPINTOPAGE_H
 #define APPINTOPAGE_H
 
-#include "utils/utils.h"
-
 #include <QWidget>
 #include <QJsonObject>
 #include <QUrl>
diff --git a/src/widgets/downloadlistwidget.cpp b/src/widgets/downloadlistwidget.cpp
index 6e887f3..ba3c499 100644
--- a/src/widgets/downloadlistwidget.cpp
+++ b/src/widgets/downloadlistwidget.cpp
@@ -1,11 +1,14 @@
 #include "downloadlistwidget.h"
 #include "ui_downloadlistwidget.h"
-#include <QGraphicsOpacityEffect>
-#include <QPropertyAnimation>
-#include <QDebug>
+#include "widgets/common/downloaditem.h"
+#include "backend/sparkapi.h"
+#include "backend/downloadworker.h"
+#include "utils/utils.h"
+#include "application.h"
+
+#include <QDesktopServices>
 #include <QtConcurrent>
-
-
+#include <QDebug>
 
 DownloadListWidget::DownloadListWidget(QWidget *parent) : DBlurEffectWidget(parent),
                                                           ui(new Ui::DownloadListWidget)
@@ -118,14 +121,12 @@ void DownloadListWidget::startRequest(QUrl url, QString fileName)
     isdownload = true;
     downloaditemlist[allDownload - 1]->free = false;
 
-
     // 使用懒汉式单例来存储downloadController
     if (downloadController == nullptr)
     {
         downloadController = new DownloadController; // 并发下载，在第一次点击下载按钮的时候才会初始化
     }
 
-
     if (downloadController)
     {
         downloadController->disconnect();
@@ -139,7 +140,6 @@ void DownloadListWidget::startRequest(QUrl url, QString fileName)
     downloadController->startDownload(url.toString());
 }
 
-
 /***************************************************************
   *  @brief     下载列表完成下载的回调函数
   *  @param     
@@ -178,8 +178,6 @@ void DownloadListWidget::httpFinished() // 完成下载
             startRequest(urList.at(nowDownload - 1), fileName);
         }
     });
-    
-    
 }
 
 void DownloadListWidget::updateDataReadProgress(QString speedInfo, qint64 bytesRead, qint64 totalBytes)
diff --git a/src/widgets/downloadlistwidget.h b/src/widgets/downloadlistwidget.h
index dc9c359..9500a11 100644
--- a/src/widgets/downloadlistwidget.h
+++ b/src/widgets/downloadlistwidget.h
@@ -1,20 +1,19 @@
 #ifndef DOWNLOADLISTWIDGET_H
 #define DOWNLOADLISTWIDGET_H
 
+#include <DBlurEffectWidget>
+
 #include <QWidget>
 #include <QTimer>
-#include <DBlurEffectWidget>
-#include <QNetworkAccessManager>
-#include <QDesktopServices>
-#include "widgets/common/downloaditem.h"
-#include "backend/sparkapi.h"
-#include "backend/downloadworker.h"
-#include "utils/utils.h"
-DWIDGET_USE_NAMESPACE
+
 namespace Ui {
 class DownloadListWidget;
 }
 
+DWIDGET_USE_NAMESPACE
+
+class DownloadItem;
+class DownloadController;
 class DownloadListWidget : public DBlurEffectWidget
 {
     Q_OBJECT