diff --git a/src/widget.cpp b/src/widget.cpp
index 910615d..ed8846e 100644
--- a/src/widget.cpp
+++ b/src/widget.cpp
@@ -1128,7 +1128,7 @@ void Widget::on_pushButton_uninstall_clicked()
 
         QProcess uninstall;
         uninstall.start("pkexec", QStringList() << "apt" << "purge" << "-y" << pkgName.toLower());
-        uninstall.waitForFinished(180); // 默认超时 3 分钟
+        uninstall.waitForFinished(-1); // 默认无限时长
 
         QProcess check;
         check.start("dpkg", QStringList() << "-s" << pkgName.toLower());