置顶消息，回复API限制，修改闭社树地址配置方式

app/javascript/mastodon/features/ui/components/tabs_bar.js

@@ -7,7 +7,7 @@ import { isUserTouching } from '../../../is_mobile';
 import Icon from 'mastodon/components/icon';
 import NotificationsCounterIcon from './notifications_counter_icon';
 
-import { treeRoot } from '../../../initial_state';
+import { treeRoot, pinnedInfo } from '../../../initial_state';
 
 export const links = [
   <NavLink className='tabs-bar__link' to='/timelines/home' data-preview-title-id='column.home' data-preview-icon='home' ><Icon id='home' fixedWidth /><FormattedMessage id='tabs_bar.home' defaultMessage='Home' /></NavLink>,
@@ -82,6 +82,11 @@ class TabsBar extends React.PureComponent {
         </nav>
 
         <div id='tabs-bar__portal' />
+        { pinnedInfo &&
+          <div className="hero-widget__text pinned-info">
+            <p>{pinnedInfo}</p>
+          </div>
+        }
       </div>
     );
   }

app/javascript/mastodon/initial_state.js

@@ -26,5 +26,6 @@ export const showTrends = getMeta('trends');
 export const title = getMeta('title');
 
 export const treeRoot = getMeta('tree_root');
+export const pinnedInfo = getMeta('pinned_info');
 
 export default initialState;

app/serializers/initial_state_serializer.rb

@@ -22,7 +22,8 @@ class InitialStateSerializer < ActiveModel::Serializer
       mascot: instance_presenter.mascot&.file&.url,
       profile_directory: Setting.profile_directory,
       trends: Setting.trends,
-      tree_root: Setting.site_description,
+      tree_root:  ENV['TREE_ADDRESS'], 
+      pinned_info: Setting.site_description,
     }
 
     if object.current_account

config/initializers/rack_attack.rb

@@ -53,11 +53,11 @@ class Rack::Attack
     req.remote_ip == '127.0.0.1' || req.remote_ip == '::1'
   end
 
-  throttle('throttle_authenticated_api', limit: 300, period: 2.minutes) do |req|
+  throttle('throttle_authenticated_api', limit: 300, period: 5.minutes) do |req|
     req.authenticated_user_id if req.api_request?
   end
 
-  throttle('throttle_unauthenticated_api', limit: 300, period: 2.minutes) do |req|
+  throttle('throttle_unauthenticated_api', limit: 300, period: 5.minutes) do |req|
     req.remote_ip if req.api_request? && req.unauthenticated?
   end