added set_settings functional

web/js/settings/settings.js

@@ -76,6 +76,10 @@ const setSettings = () => {
   })
     .then((data) => data.json())
     .then((jsondata) => {
+      if (jsondata.error) {
+        alert(jsondata.error);
+        return;
+      }
       settings = jsondata;
       updateInterface();
       alert("Success set settings");
@@ -88,7 +92,7 @@ save_settings_button.addEventListener("click", () => {
 });
 
 const write_cache_size = (value) => {
-  settings.cache_size = value;
+  settings.cache_size = parseInt(value);
 };
 
 cache_size_input.addEventListener("change", (e) => {