diff --git a/services/backend/api/v1/task/views.py b/services/backend/api/v1/task/views.py
index 6cf535d..00aa38d 100644
--- a/services/backend/api/v1/task/views.py
+++ b/services/backend/api/v1/task/views.py
@@ -210,7 +210,7 @@ def get_competition_results(request, competition_id: UUID):
             task_name=task.title,
             result=result,
             max_points=task.points,
-            position=task.in_competition_positions
+            position=task.in_competition_position
         ))
 
     return status.OK, data
diff --git a/services/frontend/public/lottie.png b/services/frontend/public/lottie.png
new file mode 100644
index 0000000..e2f59b6
Binary files /dev/null and b/services/frontend/public/lottie.png differ
diff --git a/services/frontend/src/components/layout/header.tsx b/services/frontend/src/components/layout/header.tsx
index 3bc9470..fd6d5af 100644
--- a/services/frontend/src/components/layout/header.tsx
+++ b/services/frontend/src/components/layout/header.tsx
@@ -30,13 +30,14 @@ export const Header = () => {
         </Link>
         
         <div className="flex items-center gap-4">
-          <a 
-            href="/docs/"
+          
+          <Link
+            to="/docs" target="_blank"
             className="hidden md:flex text-sm font-medium text-gray-700 hover:text-gray-900 transition-colors items-center gap-1"
           >
             <FileText className="h-4 w-4" />
             Материалы
-          </a>
+          </Link>
           
           <DropdownMenu>
             <DropdownMenuTrigger asChild>
@@ -53,7 +54,7 @@ export const Header = () => {
               </Link>
               
               <div className="md:hidden">
-                <Link to="/docs">
+                <Link to="/docs" target="_blank">
                   <DropdownMenuItem>
                     Материалы
                   </DropdownMenuItem>
diff --git a/services/frontend/src/pages/CompetitionSession/modules/TaskSolution/components/FileSolution/index.tsx b/services/frontend/src/pages/CompetitionSession/modules/TaskSolution/components/FileSolution/index.tsx
index 992f117..0e9db9e 100644
--- a/services/frontend/src/pages/CompetitionSession/modules/TaskSolution/components/FileSolution/index.tsx
+++ b/services/frontend/src/pages/CompetitionSession/modules/TaskSolution/components/FileSolution/index.tsx
@@ -60,11 +60,15 @@ const FileSolution: React.FC<FileSolutionProps> = ({
   };
 
 
-  const fileName = selectedFile 
+  const fullFileName = selectedFile 
     ? selectedFile.name 
     : existingFileUrl 
       ? existingFileUrl.split('/').pop() || 'file' 
       : '';
+      
+  const fileName = fullFileName.length > 20 
+    ? fullFileName.substring(0, 20) + '...' 
+    : fullFileName;
 
   const hasFile = !!selectedFile || !!existingFileUrl;
 
diff --git a/services/frontend/src/pages/Profile/widgets/user-info.tsx b/services/frontend/src/pages/Profile/widgets/user-info.tsx
index e0ddc94..3e025fd 100644
--- a/services/frontend/src/pages/Profile/widgets/user-info.tsx
+++ b/services/frontend/src/pages/Profile/widgets/user-info.tsx
@@ -3,15 +3,14 @@ import { User } from "@/shared/types/user";
 export const UserInfo = ({ user }: { user: User }) => {
   return (
     <section className="flex flex-1 flex-col items-center gap-6 text-center md:max-w-[420px] md:items-start md:text-left md:text-ellipsis">
-      {user.avatar && (
-        <div className="aspect-square h-auto w-full max-w-[300px] overflow-hidden rounded-full border">
-          <img
-            src={user.avatar}
-            alt={user.username}
-            className="h-full w-full object-cover object-center"
-          />
-        </div>
-      )}
+      <div className="bg-card aspect-square h-auto w-full max-w-[300px] overflow-hidden rounded-full border">
+        <img
+          src={user.avatar ?? "/lottie.png"}
+          alt={user.username}
+          className="h-full w-full object-cover object-center"
+        />
+      </div>
+
       <div className="flex flex-col gap-3">
         <h1 className="text-4xl font-semibold">{user.username}</h1>
         <p className="text-muted-foreground">{user.email}</p>
diff --git a/services/frontend/src/pages/Review/modules/review-dialog.tsx b/services/frontend/src/pages/Review/modules/review-dialog.tsx
index 59e7402..9ef4c42 100644
--- a/services/frontend/src/pages/Review/modules/review-dialog.tsx
+++ b/services/frontend/src/pages/Review/modules/review-dialog.tsx
@@ -148,7 +148,12 @@ const ReviewDescription = ({ review }: { review: Review }) => {
 
 const ReviewContent = ({ review }: { review: Review }) => {
   const extension = review.content.split(".").at(-1);
-  const filename = review.content.split("/").at(-1);
+  const fullFilename = review.content.split("/").at(-1);
+  
+  const filename = fullFilename ? 
+    (fullFilename.length > 20 ? fullFilename.substring(0, 20) + '...' : fullFilename) 
+    : '';
+
 
   const { data: content, isLoading } = useQuery({
     queryKey: ["review-file", review.id],