diff --git a/src/widgets/common/downloaditem.cpp b/src/widgets/common/downloaditem.cpp
index e4aad7a..160edd8 100644
--- a/src/widgets/common/downloaditem.cpp
+++ b/src/widgets/common/downloaditem.cpp
@@ -177,13 +177,12 @@ void DownloadItem::slotAsyncInstall(int t)
     case 0:
         {
             QStringList args;
-            args << "/usr/local/bin/ssinstall"
-                 << "/tmp/spark-store/" + ui->label_filename->text().toUtf8();
+            args << "/tmp/spark-store/" + ui->label_filename->text().toUtf8();
             if (!installExtraArg.isEmpty()) {
                 args << installExtraArg;
             }
             args << "--delete-after-install";
-            installer.start("pkexec", args);
+            installer.start("/usr/local/bin/ssinstall", args);
         }
         break;
     case 1:
diff --git a/tool/ssinstall b/tool/ssinstall
index dee4ff2..e06c1a6 100755
--- a/tool/ssinstall
+++ b/tool/ssinstall
@@ -128,9 +128,8 @@ function parse_args() {
 # 验证当前用户
 function validate_user() {
     if [ "$(id -u)" != "0" ]; then
-        echo "${TRANSHELL_CONTENT_PLEASE_RUN_AS_ROOT}"
-        echo "OMG-IT-GOES-WRONG"
-        exit 1
+        pkexec DISPLAY=$DISPLAY "$0" "$@"
+        exit $?
     fi
 }