diff --git a/src/components/chat/autocompleteHelper.ts b/src/components/chat/autocompleteHelper.ts
index a335c1d9..bfe687e5 100644
--- a/src/components/chat/autocompleteHelper.ts
+++ b/src/components/chat/autocompleteHelper.ts
@@ -86,12 +86,14 @@ export default class AutocompleteHelper extends EventListenerBase<{
     this.addEventListener('visible', this.onVisible);
   }
 
-  public toggle(hide?: boolean) {
+  public toggle(hide?: boolean, fromController = false) {
     if(this.init) {
       return;
     }
     
-    hide = hide === undefined ? this.container.classList.contains('is-visible') && !this.container.classList.contains('backwards') : hide;
+    if(hide === undefined) {
+      hide = this.container.classList.contains('is-visible') && !this.container.classList.contains('backwards');
+    }
 
     if(this.hidden === hide) {
       if(!hide && this.resetTarget) {
@@ -103,10 +105,10 @@ export default class AutocompleteHelper extends EventListenerBase<{
 
     this.hidden = hide;
 
-    if(!this.hidden) {
+    if(!hide) {
       this.controller.hideOtherHelpers(this);
       this.dispatchEvent('visible'); // fire it before so target will be set
-    } else {
+    } else if(!fromController) {
       this.controller.hideOtherHelpers();
     }
 
diff --git a/src/components/chat/autocompleteHelperController.ts b/src/components/chat/autocompleteHelperController.ts
index 52cf10da..67f2e43e 100644
--- a/src/components/chat/autocompleteHelperController.ts
+++ b/src/components/chat/autocompleteHelperController.ts
@@ -29,11 +29,15 @@ export default class AutocompleteHelperController {
     this.helpers.add(helper);
   }
 
-  public hideOtherHelpers(helper?: AutocompleteHelper) {
-    this.helpers.forEach(h => {
-      if(h !== helper) {
-        h.toggle(true);
+  public hideOtherHelpers(preserveHelper?: AutocompleteHelper) {
+    this.helpers.forEach(helper => {
+      if(helper !== preserveHelper) {
+        helper.toggle(true, true);
       }
     });
+
+    if(!preserveHelper) {
+      this.middleware.clean();
+    }
   }
 }
diff --git a/src/components/chat/commandsHelper.ts b/src/components/chat/commandsHelper.ts
index d444be2d..c02b06c8 100644
--- a/src/components/chat/commandsHelper.ts
+++ b/src/components/chat/commandsHelper.ts
@@ -5,11 +5,19 @@
  */
 
 import type ChatInput from "./input";
+import type { AppProfileManager } from "../../lib/appManagers/appProfileManager";
+import type { AppUsersManager } from "../../lib/appManagers/appUsersManager";
+import type { BotInfo } from "../../layer";
 import AutocompleteHelperController from "./autocompleteHelperController";
 import AutocompletePeerHelper from "./autocompletePeerHelper";
+import SearchIndex from "../../lib/searchIndex";
 
 export default class CommandsHelper extends AutocompletePeerHelper {
-  constructor(appendTo: HTMLElement, controller: AutocompleteHelperController, private chatInput: ChatInput) {
+  constructor(appendTo: HTMLElement, 
+    controller: AutocompleteHelperController, 
+    chatInput: ChatInput, 
+    private appProfileManager: AppProfileManager,
+    private appUsersManager: AppUsersManager) {
     super(appendTo, 
       controller,
       'commands-helper',
@@ -20,4 +28,41 @@ export default class CommandsHelper extends AutocompletePeerHelper {
       }
     );
   }
+
+  public checkQuery(query: string, peerId: number) {
+    if(!this.appUsersManager.isBot(peerId)) {
+      return false;
+    }
+
+    const middleware = this.controller.getMiddleware();
+    this.appProfileManager.getProfileByPeerId(peerId).then(full => {
+      if(!middleware()) {
+        return;
+      }
+
+      const botInfos: BotInfo.botInfo[] = [].concat(full.bot_info);
+      const index = new SearchIndex<string>(false, false);
+      
+      const commands: Map<string, {peerId: number, name: string, description: string}> = new Map();
+      botInfos.forEach(botInfo => {
+        botInfo.commands.forEach(botCommand => {
+          const c = '/' + botCommand.command;
+          commands.set(botCommand.command, {
+            peerId: botInfo.user_id, 
+            name: c, 
+            description: botCommand.description
+          });
+
+          index.indexObject(botCommand.command, c);
+        });
+      });
+
+      const found = index.search(query);
+      const filtered = Array.from(found).map(command => commands.get(command));
+      this.render(filtered);
+      // console.log('found commands', found, filtered);
+    });
+
+    return true;
+  }
 }
diff --git a/src/components/chat/emojiHelper.ts b/src/components/chat/emojiHelper.ts
index f361774a..4bba51a9 100644
--- a/src/components/chat/emojiHelper.ts
+++ b/src/components/chat/emojiHelper.ts
@@ -5,6 +5,7 @@
  */
 
 import type ChatInput from "./input";
+import type { AppEmojiManager } from "../../lib/appManagers/appEmojiManager";
 import { appendEmoji, getEmojiFromElement } from "../emoticonsDropdown/tabs/emoji";
 import { ScrollableX } from "../scrollable";
 import AutocompleteHelper from "./autocompleteHelper";
@@ -13,13 +14,16 @@ import AutocompleteHelperController from "./autocompleteHelperController";
 export default class EmojiHelper extends AutocompleteHelper {
   private scrollable: ScrollableX;
 
-  constructor(appendTo: HTMLElement, controller: AutocompleteHelperController, private chatInput: ChatInput) {
+  constructor(appendTo: HTMLElement, 
+    controller: AutocompleteHelperController, 
+    chatInput: ChatInput, 
+    private appEmojiManager: AppEmojiManager) {
     super({
       appendTo,
       controller, 
       listType: 'x', 
       onSelect: (target) => {
-        this.chatInput.onEmojiSelected(getEmojiFromElement(target as any), true);
+        chatInput.onEmojiSelected(getEmojiFromElement(target as any), true);
       }
     });
 
@@ -50,6 +54,8 @@ export default class EmojiHelper extends AutocompleteHelper {
       this.init();
       this.init = null;
     }
+    
+    emojis = emojis.slice(0, 80);
 
     if(emojis.length) {
       this.list.innerHTML = '';
@@ -65,4 +71,18 @@ export default class EmojiHelper extends AutocompleteHelper {
       this.container.style.width = (3 * 2) + (emojis.length * 44) + 'px';
     }); */
   }
+
+  public checkQuery(query: string, firstChar: string) {
+    const middleware = this.controller.getMiddleware();
+    this.appEmojiManager.getBothEmojiKeywords().then(() => {
+      if(!middleware()) {
+        return;
+      }
+
+      const q = query.replace(/^:/, '');
+      const emojis = this.appEmojiManager.searchEmojis(q);
+      this.render(emojis, firstChar !== ':');
+      //console.log(emojis);
+    });
+  }
 }
diff --git a/src/components/chat/input.ts b/src/components/chat/input.ts
index e0bfb2ea..0b632fa6 100644
--- a/src/components/chat/input.ts
+++ b/src/components/chat/input.ts
@@ -60,11 +60,9 @@ import { MarkdownType, markdownTags } from '../../helpers/dom/getRichElementValu
 import getRichValueWithCaret from '../../helpers/dom/getRichValueWithCaret';
 import EmojiHelper from './emojiHelper';
 import setRichFocus from '../../helpers/dom/setRichFocus';
-import SearchIndex from '../../lib/searchIndex';
 import CommandsHelper from './commandsHelper';
 import AutocompleteHelperController from './autocompleteHelperController';
 import AutocompleteHelper from './autocompleteHelper';
-import appUsersManager from '../../lib/appManagers/appUsersManager';
 import MentionsHelper from './mentionsHelper';
 
 const RECORD_MIN_TIME = 500;
@@ -372,9 +370,9 @@ export default class ChatInput {
     this.rowsWrapper.append(this.replyElements.container);
     this.autocompleteHelperController = new AutocompleteHelperController();
     this.stickersHelper = new StickersHelper(this.rowsWrapper, this.autocompleteHelperController);
-    this.emojiHelper = new EmojiHelper(this.rowsWrapper, this.autocompleteHelperController, this);
-    this.commandsHelper = new CommandsHelper(this.rowsWrapper, this.autocompleteHelperController, this);
-    this.mentionsHelper = new MentionsHelper(this.rowsWrapper, this.autocompleteHelperController, this);
+    this.emojiHelper = new EmojiHelper(this.rowsWrapper, this.autocompleteHelperController, this, this.appEmojiManager);
+    this.commandsHelper = new CommandsHelper(this.rowsWrapper, this.autocompleteHelperController, this, this.chat.appProfileManager, this.chat.appUsersManager);
+    this.mentionsHelper = new MentionsHelper(this.rowsWrapper, this.autocompleteHelperController, this, this.chat.appProfileManager, this.chat.appUsersManager);
     this.rowsWrapper.append(this.newMessageWrapper);
 
     this.btnCancelRecord = ButtonIcon('delete danger btn-circle z-depth-1 btn-record-cancel');
@@ -1258,61 +1256,18 @@ export default class ChatInput {
     //console.log('autocomplete matches', matches);
 
     if(firstChar === '@') { // mentions
-      const trimmed = query.trim(); // check that there is no whitespace
-      if(this.chat.peerId < 0 && query.length === trimmed.length) {
+      const topMsgId = this.chat.threadId ? this.appMessagesManager.getServerMessageId(this.chat.threadId) : undefined;
+      if(this.mentionsHelper.checkQuery(query, this.chat.peerId, topMsgId)) {
         foundHelper = this.mentionsHelper;
-        const topMsgId = this.chat.threadId ? this.appMessagesManager.getServerMessageId(this.chat.threadId) : undefined;
-        this.chat.appProfileManager.getMentions(-this.chat.peerId, trimmed, topMsgId).then(peerIds => {
-          const username = trimmed.slice(1).toLowerCase();
-          this.mentionsHelper.render(peerIds.map(peerId => {
-            const user = this.chat.appUsersManager.getUser(peerId);
-            if(user.username && user.username.toLowerCase() === username) { // hide full matched suggestion
-              return;
-            }
-
-            return {
-              peerId,
-              description: user.username ? '@' + user.username : undefined
-            };
-          }).filter(Boolean));
-        });
       }
     } else if(!matches[1] && firstChar === '/') { // commands
-      if(appUsersManager.isBot(this.chat.peerId)) {
+      if(this.commandsHelper.checkQuery(query, this.chat.peerId)) {
         foundHelper = this.commandsHelper;
-        this.chat.appProfileManager.getProfileByPeerId(this.chat.peerId).then(full => {
-          const botInfos: BotInfo.botInfo[] = [].concat(full.bot_info);
-          const index = new SearchIndex<string>(true, false);
-          
-          const commands: Map<string, {peerId: number, name: string, description: string}> = new Map();
-          botInfos.forEach(botInfo => {
-            botInfo.commands.forEach(botCommand => {
-              const c = '/' + botCommand.command;
-              commands.set(botCommand.command, {
-                peerId: botInfo.user_id, 
-                name: c, 
-                description: botCommand.description
-              });
-
-              index.indexObject(botCommand.command, c);
-            });
-          });
-
-          const found = index.search(query);
-          const filtered = Array.from(found).map(command => commands.get(command));
-          this.commandsHelper.render(filtered);
-          // console.log('found commands', found, filtered);
-        });
       }
     } else if(rootScope.settings.emoji.suggest) { // emoji
       if(!value.match(/^\s*:(.+):\s*$/)) {
         foundHelper = this.emojiHelper;
-        this.appEmojiManager.getBothEmojiKeywords().then(() => {
-          const q = query.replace(/^:/, '');
-          const emojis = this.appEmojiManager.searchEmojis(q);
-          this.emojiHelper.render(emojis, firstChar !== ':');
-          //console.log(emojis);
-        });
+        this.emojiHelper.checkQuery(query, firstChar);
       }
     }
 
diff --git a/src/components/chat/mentionsHelper.ts b/src/components/chat/mentionsHelper.ts
index ba0be516..7a523322 100644
--- a/src/components/chat/mentionsHelper.ts
+++ b/src/components/chat/mentionsHelper.ts
@@ -6,12 +6,17 @@
 
 import type ChatInput from "./input";
 import type { MessageEntity } from "../../layer";
+import type { AppProfileManager } from "../../lib/appManagers/appProfileManager";
+import type { AppUsersManager } from "../../lib/appManagers/appUsersManager";
 import AutocompleteHelperController from "./autocompleteHelperController";
 import AutocompletePeerHelper from "./autocompletePeerHelper";
-import appUsersManager from "../../lib/appManagers/appUsersManager";
 
 export default class MentionsHelper extends AutocompletePeerHelper {
-  constructor(appendTo: HTMLElement, controller: AutocompleteHelperController, private chatInput: ChatInput) {
+  constructor(appendTo: HTMLElement, 
+    controller: AutocompleteHelperController, 
+    chatInput: ChatInput, 
+    private appProfileManager: AppProfileManager,
+    private appUsersManager: AppUsersManager) {
     super(appendTo, 
       controller,
       'mentions-helper',
@@ -35,4 +40,26 @@ export default class MentionsHelper extends AutocompletePeerHelper {
       }
     );
   }
+
+  public checkQuery(query: string, peerId: number, topMsgId: number) {
+    const trimmed = query.trim(); // check that there is no whitespace
+    if(peerId > 0 || query.length !== trimmed.length) return false;
+
+    this.appProfileManager.getMentions(-peerId, trimmed, topMsgId).then(peerIds => {
+      const username = trimmed.slice(1).toLowerCase();
+      this.render(peerIds.map(peerId => {
+        const user = this.appUsersManager.getUser(peerId);
+        if(user.username && user.username.toLowerCase() === username) { // hide full matched suggestion
+          return;
+        }
+
+        return {
+          peerId,
+          description: user.username ? '@' + user.username : undefined
+        };
+      }).filter(Boolean));
+    });
+
+    return true;
+  }
 }