diff --git a/src/main.cpp b/src/main.cpp
index 0a37a21..2742b01 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -4,6 +4,8 @@
 #include <DAboutDialog>
 #include <QVector>
 #include <QScreen>
+#include <QDir>
+#include <QSettings>
 //新增dbus
 #include <QDBusInterface>
 #include <QDBusPendingCall>
@@ -32,12 +34,18 @@ int main(int argc, char *argv[])
     a.setAttribute(Qt::AA_UseHighDpiPixmaps);
     a.loadTranslator();     // 载入翻译
 
+    QSettings *setConfig = new QSettings(QDir::homePath() + "/.config/spark-store/config.ini", QSettings::IniFormat);
+    setConfig->setValue("build/version", "Version 3.3.3~test4");
+    setConfig->deleteLater();
+    QSettings readConfig(QDir::homePath() + "/.config/spark-store/config.ini", QSettings::IniFormat);
+
+
     //Customized DAboutDialog 
      
      DAboutDialog dialog;
       a.setAboutDialog(&dialog);
       dialog.setLicense(QObject::tr("We publish this program under GPL V3"));
-      dialog.setVersion(DApplication::buildVersion("Version 3.3.3~test4"));
+      dialog.setVersion(DApplication::buildVersion(readConfig.value("build/version").toString()));
       dialog.setProductIcon(QIcon::fromTheme("spark-store"));  // 设置Logo
       dialog.setProductName(QLabel::tr("Spark Store"));
       dialog.setDescription(
@@ -58,7 +66,7 @@ int main(int argc, char *argv[])
     a.setOrganizationName("spark-union");
     a.setOrganizationDomain("https://www.deepinos.org/");
     a.setApplicationName("Spark Store");    //不需要翻译，否则 ~/.local/share/ 下文件夹名称也被翻译为中文
-    a.setApplicationVersion(DApplication::buildVersion("3.3.3~test4"));
+    a.setApplicationVersion(DApplication::buildVersion(readConfig.value("build/version").toString()));
     a.setApplicationAcknowledgementPage("https://gitee.com/deepin-community-store/spark-store");
     a.setApplicationDescription(
                 QObject::tr(
diff --git a/src/widget.cpp b/src/widget.cpp
index 7acee43..bf67d28 100644
--- a/src/widget.cpp
+++ b/src/widget.cpp
@@ -805,6 +805,7 @@ void Widget::displaySearchApp(QJsonArray array)
     {
         QJsonObject appInfo = array.at(i).toObject();
         AppItem *appItem = new AppItem(this);
+        appItem->setAttribute(Qt::WA_DeleteOnClose);
         QString url = QString("spk://store/%1/%2")
                 .arg(appInfo["category_slug"].toString())
                 .arg(appInfo["pkgname"].toString());
@@ -1090,6 +1091,7 @@ void Widget::on_comboBox_server_currentIndexChanged(const QString &arg1)
         QSettings *setConfig = new QSettings(QDir::homePath() + "/.config/spark-store/config.ini", QSettings::IniFormat);
         setConfig->setValue("server/choose", arg1);
         setConfig->setValue("server/updated", updatedInfo);
+        setConfig->deleteLater();
     }
 }