diff --git a/src/widgets/common/downloaditem.cpp b/src/widgets/common/downloaditem.cpp
index 9c5513e..c68797c 100644
--- a/src/widgets/common/downloaditem.cpp
+++ b/src/widgets/common/downloaditem.cpp
@@ -172,16 +172,19 @@ void DownloadItem::on_pushButton_3_clicked()
 void DownloadItem::slotAsyncInstall(int t)
 {
     QProcess installer;
-    switch(t)
+    switch (t)
     {
     case 0:
-        installer.start("pkexec", QStringList() << "ssinstall" << "/tmp/spark-store/" + ui->label_filename->text().toUtf8() << + "--delete-after-install");
+        installer.start("pkexec", QStringList() << "ssinstall"
+                                                << "/tmp/spark-store/" + ui->label_filename->text().toUtf8() << "--delete-after-install");
         break;
     case 1:
         installer.start("deepin-deb-installer", QStringList() << "/tmp/spark-store/" + ui->label_filename->text().toUtf8());
         break;
     case 2:
-        installer.start("pkexec", QStringList() << "gdebi" << "-n" << "/tmp/spark-store/" + ui->label_filename->text().toUtf8());
+        installer.start("pkexec", QStringList() << "gdebi"
+                                                << "-n"
+                                                << "/tmp/spark-store/" + ui->label_filename->text().toUtf8());
         break;
     }