diff --git a/build.sh b/build.sh
index 2faf87c..5e4d368 100755
--- a/build.sh
+++ b/build.sh
@@ -4,7 +4,7 @@ if [ -d unpack ]; then
   sudo rm -rf unpack
 fi
 
-version="3.0.2"
+version="3.0.3"
 
 mkdir -p unpack/DEBIAN
 
@@ -26,6 +26,7 @@ sed -i "s/{{size}}/${_size}/" DEBIAN/control
 sed -i "s/{{version}}/${version}/" DEBIAN/control
 
 cd ..
+sudo chown -R root:root unpack/
 dpkg-deb -b unpack/ "hosts-switch-${version}.deb"
 
 sudo rm -rf unpack
\ No newline at end of file
diff --git a/usr/lib/hosts-switch/hosts-switch.py b/usr/lib/hosts-switch/hosts-switch.py
index 9a9f594..eb32937 100755
--- a/usr/lib/hosts-switch/hosts-switch.py
+++ b/usr/lib/hosts-switch/hosts-switch.py
@@ -13,8 +13,12 @@ APP_ID = 'fun.wkit.hosts-switch'
 __dir__ = os.path.dirname(os.path.realpath(__file__))
 
 web_root = os.path.join(__dir__, './webapp')
+home_dir = os.getenv('HOME'),
+config_dir = os.path.join(os.getenv('HOME'), '.config/hosts-switch'),
 
 
+if not os.path.isdir(config_dir):
+  os.mkdir(config_dir)
 
 
 class Application(Gtk.Application):
diff --git a/usr/lib/hosts-switch/webapp/components/sidebar.js b/usr/lib/hosts-switch/webapp/components/sidebar.js
index ba8654c..08783af 100644
--- a/usr/lib/hosts-switch/webapp/components/sidebar.js
+++ b/usr/lib/hosts-switch/webapp/components/sidebar.js
@@ -101,7 +101,7 @@ class Sidebar extends Component {
 
   toggleDomain(ev, name) {
     let { HOST_DATA, records } = this.$store
-    name = name || ev.currentTarget.dataset.name
+    name = name ?? ev.currentTarget.dataset.name
     this.$store.activeDomain = name
 
     this.$store.records = records = (HOST_DATA[name] || []).sort((a, b) =>