diff --git a/.gitignore b/.gitignore
index 4fa3a0761e0c722bdbd4dfa98cb19ecabb3143ea..18b01f0349b4c4ee034a9fbf53f47058a66a297c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,3 @@
 spark-store.pro.user*
+build/
+.vscode/
\ No newline at end of file
diff --git a/README.md b/README.md
index 6da7c5fdcca4767ee735100d5b8f0c95e14feb8d..2b97773f80183edf1a8d6b6014b508287117404e 100644
--- a/README.md
+++ b/README.md
@@ -224,7 +224,7 @@ void SpkAppInfoLoaderThread::run()
 ```
 
 
-**应用下载**
+**应用下载**		
 Widget::on_pushButton_download_clicked() 是点击下载的安装方法。     
 最终使用的是 `QNetwrokAccessManager` 进行GET请求获取数据写入文件。             
 ```cpp
diff --git a/widget.cpp b/widget.cpp
index 2d0c7593026383af8e1a19f29ff2e79a88c60463..962b5a850e0f83b197329c4e9267df594b1f4212 100644
--- a/widget.cpp
+++ b/widget.cpp
@@ -988,7 +988,7 @@ void Widget::on_pushButton_uninstall_clicked()
         ui->pushButton_download->setEnabled(false);
         ui->pushButton_uninstall->setEnabled(false);
         QProcess uninstall;
-        uninstall.start("pkexec apt purge -y "+pkgName);
+        uninstall.start("pkexec apt purge -y "+pkgName.toLower());
         uninstall.waitForFinished();
         ui->pushButton_download->setEnabled(true);
         ui->pushButton_download->setText("Install");