diff --git a/backend/project/api/users/views.py b/backend/project/api/users/views.py
index 0654900..a67fd2a 100644
--- a/backend/project/api/users/views.py
+++ b/backend/project/api/users/views.py
@@ -29,7 +29,7 @@ class RegisterUsersFromExcelView(APIView):
             )
 
         excel_file = request.FILES.get("excel_file")
-        if not excel_file:
+        if excel_file is None:
             return Response(
                 {"error": "No Excel file provided"},
                 status=status.HTTP_400_BAD_REQUEST,
diff --git a/frontend/src/components/Hero.tsx b/frontend/src/components/Hero.tsx
index 7a97312..4656d7b 100644
--- a/frontend/src/components/Hero.tsx
+++ b/frontend/src/components/Hero.tsx
@@ -1,4 +1,3 @@
-import { Button } from "./ui/button";
 import { buttonVariants } from "./ui/button";
 
 import { Link } from "react-router-dom";
diff --git a/frontend/src/components/Team.tsx b/frontend/src/components/Team.tsx
index 2ade3a5..2917be6 100644
--- a/frontend/src/components/Team.tsx
+++ b/frontend/src/components/Team.tsx
@@ -7,7 +7,7 @@ import {
   CardHeader,
   CardTitle,
 } from "../components/ui/card";
-import { Facebook, Instagram, Linkedin, Github } from "lucide-react";
+import { Github } from "lucide-react";
 
 interface TeamProps {
   imageUrl: string;
@@ -25,7 +25,7 @@ const teamList: TeamProps[] = [
   {
     imageUrl: "https://raw.githubusercontent.com/devitq/devitq/main/logo.png",
     name: "ITQ",
-    position: "Backend & Frontend Developer",
+    position: "Backend & Frontend Developer & Dev OPS",
     socialNetworks: [
       { name: "GitHub", url: "https://github.com/devitq" },
     ],
diff --git a/frontend/src/components/pages/Main/Main.tsx b/frontend/src/components/pages/Main/Main.tsx
index 14e104c..3e9a4c5 100644
--- a/frontend/src/components/pages/Main/Main.tsx
+++ b/frontend/src/components/pages/Main/Main.tsx
@@ -17,12 +17,12 @@ const Main = () => {
             <div className={less["general-left"]}>
                 <form className={less["input-form"]} onSubmit={(event) => submitRegister(event, navigate)}>
                     <h1 className={less["title-form"]}>{t("entrance")}</h1>
-                    <Input type="text" name="first_name" placeholder="First name" />
-                    <Input type="text" name="last_name" placeholder="Last name" />
-                    <Input type="date" name="birth_date" placeholder="Date" />
-                    <Input type="email" name="email" placeholder="Email" />
+                    <Input type="text" name="first_name" placeholder="First name" className="mb-4" />
+                    <Input type="text" name="last_name" placeholder="Last name" className="mb-4" />
+                    <Input type="date" name="birth_date" placeholder="Date" className="mb-4" />
+                    <Input type="email" name="email" placeholder="Email" className="mb-4" />
                     
-                    <Textarea name="about" placeholder="About" />
+                    <Textarea name="about" placeholder="About" className="mb-4" />
 
                     <Button>{t("buttonLoginInSystem")}</Button>
                 </form>