Really fix /poweroff

main/index.html

@@ -171,7 +171,7 @@
                 </div>
                 <div>
                     <button id="resetBtn">Reset</button>
-                    <button id="powerOff">Power off</button>
+                    <button id="powerOff"><a style="text-decoration: none; color: inherit" href="/poweroff">Power off</a></button>
                 </div>
             </form>
         </div>

main/index.js

@@ -452,9 +452,6 @@ document.getElementById('resetBtn').addEventListener('click', () => {
   localStorage.clear();
   window.location.reload();
 });
-document.getElementById('powerOff').addEventListener('click', () => {
-  window.location.href = "/poweroff";
-});
 setParams();
 connect();