diff --git a/README.md b/README.md
index 1353fad..ba62ca2 100644
--- a/README.md
+++ b/README.md
@@ -357,6 +357,16 @@ Endpoint = 0.0.0.0:51820
 
 Starting with `v3.0`, you can simply do `./wgd.sh update` !! (I hope, lol)
 
+## 🥘 Experimental Functions
+
+#### Progressive Web App (PWA)
+
+With `v3.0`, I've added a `manifest.json` into the dashboard, so user could add their dashboard as a PWA to their browser or mobile device.
+
+<img src="img/PWA.gif"/>
+
+
+
 ## 🔍 Screenshot
 
 ![Sign In Page](img/SignIn.png)
diff --git a/img/PWA.gif b/img/PWA.gif
new file mode 100644
index 0000000..bcc0f4b
Binary files /dev/null and b/img/PWA.gif differ
diff --git a/src/dashboard.py b/src/dashboard.py
index e8aca9d..1e4dbdb 100644
--- a/src/dashboard.py
+++ b/src/dashboard.py
@@ -901,7 +901,8 @@ def update_app_ip_port():
     config.set("Server", "app_port", request.form['app_port'])
     set_dashboard_conf(config)
     config.clear()
-    os.system('./wgd.sh restart')
+    subprocess.Popen('bash wgd.sh restart', shell=True)
+    return ""
 
 
 # Update WireGuard configuration file path
@@ -918,7 +919,7 @@ def update_wg_conf_path():
     config.clear()
     session['message'] = "WireGuard Configuration Path Update Successfully!"
     session['message_status'] = "success"
-    os.system('./wgd.sh restart')
+    subprocess.Popen('bash wgd.sh restart', shell=True)
 
 
 @app.route('/update_dashboard_sort', methods=['POST'])
diff --git a/src/wgd.sh b/src/wgd.sh
index 896a9a8..26c1ba0 100755
--- a/src/wgd.sh
+++ b/src/wgd.sh
@@ -192,7 +192,7 @@ if [ "$#" != 1 ];
            printf "%s\n" "$dashes"
            stop_wgd
            printf "| WGDashboard is stopped.                                  |\n"
-           sleep 2
+           sleep 4
            start_wgd
         else
           start_wgd