diff --git a/src/pages/course-list/course-list.tsx b/src/pages/course-list/course-list.tsx
index f006b73..fe63eeb 100644
--- a/src/pages/course-list/course-list.tsx
+++ b/src/pages/course-list/course-list.tsx
@@ -152,7 +152,7 @@ export const CoursesList = () => {
 
   return (
     <>
-    <div id="dots" ref={serviceMenuContainerRef}></div>
+    <div style={{ position: 'absolute', top: 6, left: 6 }} id="dots" ref={serviceMenuContainerRef}></div>
     <Container maxW="container.xl">
       {isTeacher(user) && (
         <Box mt="15" mb="15">
diff --git a/src/pages/lesson-details.tsx b/src/pages/lesson-details.tsx
index b88ae4b..c71296d 100644
--- a/src/pages/lesson-details.tsx
+++ b/src/pages/lesson-details.tsx
@@ -1,9 +1,9 @@
-import React, { useEffect, useState, useRef, useMemo } from 'react'
+import React, { useEffect, useRef, useMemo } from 'react'
 import { useParams, Link } from 'react-router-dom'
 import dayjs from 'dayjs'
 import QRCode from 'qrcode'
 import { sha256 } from 'js-sha256'
-import { getConfigValue, getNavigationsValue } from '@brojs/cli'
+import { getConfigValue, getNavigationValue } from '@brojs/cli'
 import {
   Box,
   Breadcrumb,
@@ -90,7 +90,7 @@ const LessonDetail = () => {
       ...(accessCode?.body.lesson.students || []),
     ]
 
-    while (allStudents.length && presentStudents.length) {
+    while (presentStudents.length) {
       const student = presentStudents.pop()
 
       const present = allStudents.find((st) => st.sub === student.sub)
@@ -110,7 +110,7 @@ const LessonDetail = () => {
       <BreadcrumbsWrapper>
         <Breadcrumb>
           <BreadcrumbItem>
-            <BreadcrumbLink as={Link} to={getNavigationsValue('journal.main')}>
+            <BreadcrumbLink as={Link} to={getNavigationValue('journal.main')}>
               Журнал
             </BreadcrumbLink>
           </BreadcrumbItem>
@@ -118,7 +118,7 @@ const LessonDetail = () => {
           <BreadcrumbItem>
             <BreadcrumbLink
               as={Link}
-              to={`${getNavigationsValue('journal.main')}/lessons-list/${courseId}`}
+              to={`${getNavigationValue('journal.main')}/lessons-list/${courseId}`}
             >
               Курс
             </BreadcrumbLink>