diff --git a/packages/ui-default/pages/contest_edit.page.ts b/packages/ui-default/pages/contest_edit.page.ts
index 5e17c4936..df79b751e 100644
--- a/packages/ui-default/pages/contest_edit.page.ts
+++ b/packages/ui-default/pages/contest_edit.page.ts
@@ -11,20 +11,23 @@ const page = new NamedPage(['contest_edit', 'contest_create', 'homework_create',
   UserSelectAutoComplete.getOrConstruct<true>($('[name="maintainer"]'), { multi: true, clearDefaultValue: false });
   $('[name="rule"]').on('change', () => {
     const rule = $('[name="rule"]').val();
+    $('.contest-rule-settings input').attr('disabled', 'disabled');
     $('.contest-rule-settings').hide();
+    $(`.contest-rule--${rule} input`).removeAttr('disabled');
     $(`.contest-rule--${rule}`).show();
   }).trigger('change');
   $('[name="beginAtDate"], [name="beginAtTime"], [name="duration"]').on('change', () => {
     const beginAtDate = $('[name="beginAtDate"]').val();
     const beginAtTime = $('[name="beginAtTime"]').val();
     const duration = $('[name="duration"]').val();
-    console.log(beginAtDate, beginAtTime, duration);
     const endAt = moment(`${beginAtDate} ${beginAtTime}`).add(+duration, 'hours').toDate();
     if (endAt) $('[name="endAt"]').val(moment(endAt).format('YYYY-MM-DD HH:mm'));
   });
   $('[name="authorize"]').removeAttr('disabled').on('change', () => {
     const authorized = $('[name="authorize"]').val();
+    $('.authorize-settings input').attr('disabled', 'disabled');
     $('.authorize-settings').hide();
+    $(`.authorize--${authorized} input`).removeAttr('disabled');
     $(`.authorize--${authorized}`).show();
   }).trigger('change');
   if (pagename.endsWith('edit')) {
diff --git a/packages/ui-default/templates/contest_edit.html b/packages/ui-default/templates/contest_edit.html
index 9f490a715..fd8433570 100644
--- a/packages/ui-default/templates/contest_edit.html
+++ b/packages/ui-default/templates/contest_edit.html
@@ -111,6 +111,7 @@
               name:'assign',
               placeholder:_('Group / UID'),
               value:tdoc.assign|default(''),
+              disabled:true,
               row:false
             }) }}
             </div>
@@ -121,6 +122,7 @@
               name:'code',
               placeholder:_('(leave blank if none)'),
               value:tdoc._code|default(''),
+              disabled:true,
               row:false
             }) }}
             </div>
@@ -164,6 +166,7 @@
               placeholder:_('(leave blank if none)'),
               value:(((tdoc.endAt - tdoc.lockAt)/60000)|int)|default(''),
               help_text:_('Lock scoreboard on last N minutes'),
+              disabled:true,
               row:false
             }) }}
             </div>
@@ -175,6 +178,7 @@
               placeholder:_('(leave blank if none)'),
               value:tdoc.duration|default(''),
               help_text:_('Limit user in N hours finish contest'),
+              disabled:true,
               row:false
             }) }}
             </div>