diff --git a/src/main.cpp b/src/main.cpp
index b40cfe8..32f686e 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -13,7 +13,6 @@
 
 #include <DSysInfo>
 #include <DApplicationSettings>
-#include <DWidgetUtil>
 
 #include <QDate>
 #include <QProcessEnvironment>
@@ -196,8 +195,6 @@ int main(int argc, char *argv[])
 
     MainWindow w;
     a.setMainWindow(&w); // 设置应用程序主窗口，用于初始化关于对话框
-    // 让打开时界面显示在正中
-    Dtk::Widget::moveToCenter(&w);
 
     if (argc > 1)
     {
diff --git a/src/mainwindow-dtk.cpp b/src/mainwindow-dtk.cpp
index b278b1d..c5f328b 100755
--- a/src/mainwindow-dtk.cpp
+++ b/src/mainwindow-dtk.cpp
@@ -48,6 +48,11 @@ MainWindow::~MainWindow()
     delete ui;
 
     downloadlistwidget->deleteLater();
+
+    QSettings config(QStandardPaths::writableLocation(QStandardPaths::AppConfigLocation) + "/config.ini", QSettings::IniFormat);
+    config.setValue("window/width", width());
+    config.setValue("window/height", height());
+    config.sync();
 }
 
 void MainWindow::initDbus()
@@ -123,6 +128,17 @@ void MainWindow::closeEvent(QCloseEvent *event)
 
 void MainWindow::initUI()
 {
+    QSettings config(QStandardPaths::writableLocation(QStandardPaths::AppConfigLocation) + "/config.ini", QSettings::IniFormat);
+    QSize size;
+    size.rwidth() = config.value("window/width").toInt();
+    size.rheight() = config.value("window/height").toInt();
+    if (!size.isEmpty()) {
+        resize(size);
+    }
+
+    // 让打开时界面显示在正中
+    moveToCenter(this);
+
     setWindowTitle(QObject::tr("Spark Store"));
     setMaskAlpha(250);