diff --git a/deb/DEBIAN/postinst b/deb/DEBIAN/postinst
index 6210532..47193db 100755
--- a/deb/DEBIAN/postinst
+++ b/deb/DEBIAN/postinst
@@ -94,6 +94,6 @@ fi
 #	fi
 #fi
 # 设置目录权限，让用户可读可写，方便后续删除组件
-chmod 777 -R /opt/apps/deepin-wine-runner
+chmod 777 -R /opt/apps/deepin-wine-runner > /dev/null 2>&1 | true
 # 向服务器返回安装数加1（不显示内容且忽略错误）
 python3 /opt/apps/deepin-wine-runner/Download.py $version > /dev/null 2>&1 | true
diff --git a/mainwindow.py b/mainwindow.py
index ffe9325..0a46257 100755
--- a/mainwindow.py
+++ b/mainwindow.py
@@ -3457,7 +3457,7 @@ for i in [
         for x in i[0]:
             x.setDisabled(True)
 # 有些功能是 Arch Linux 不适用的，需要屏蔽
-if not os.path.exists("/etc/arch-release"):
+if os.path.exists("/etc/arch-release"):
     for i in [installLat, installWineHQ, installWineHQOrg,
               installBox86CN, installBox86, installBox86Own, addWineDebMirrorForDeepin20]:
         i.setDisabled(True)