diff --git a/src/api/FetchPerson.js b/src/api/FetchPerson.js
index 2ce5fce..bcaba03 100644
--- a/src/api/FetchPerson.js
+++ b/src/api/FetchPerson.js
@@ -39,13 +39,25 @@ export async function createPersonProfile(createdContent, imgFile) {
     const profileInfoJSON = JSON.stringify(createdContent);
     formData.append('person', new Blob([profileInfoJSON], { type: 'application/json' }));
 
+
+    try{
     const response = await axios.post('/api/person'
         , formData
         , { headers: { 'Content-Type': 'multipart/form-data' } }
     );
-
+    
+    const regexp = /^https:\/\/github\.com\//;
     const userInfo = await response.data;
-    return userInfo;
+    if (!regexp.test(response.data.github)) {
+        throw Error("깃허브 주소 형식이 올바르지 않아요")
+    }else{
+        return userInfo
+    }
+} catch(error){
+    document.location.href='/person/creation';
+    alert("깃허브 주소 형식이 올바르지 않습니다.");
+    
+}
 
 }
 
diff --git a/src/assets/main.png b/src/assets/main.png
new file mode 100644
index 0000000..38690c4
Binary files /dev/null and b/src/assets/main.png differ
diff --git a/src/components/Headers.js b/src/components/Headers.js
index ee63dbd..bf31037 100644
--- a/src/components/Headers.js
+++ b/src/components/Headers.js
@@ -169,7 +169,7 @@ export default function SearchAppBar() {
             />
             {groupedOptions.length > 0 ? (
               <Listbox {...getListboxProps()}>
-                {groupedOptions.slice(0, 5).map((option, index) => (
+                {groupedOptions.map((option, index) => (
                   <li {...getOptionProps({ option, index })} key={option.name} style={{ padding: '5px' }}>
                     {option.name}
                   </li>
@@ -183,7 +183,7 @@ export default function SearchAppBar() {
 
           {userCookie ? (
             <>
-              <div style={{minWidth:"50px", textAlign:"center"}}>
+              <div style={{width:'100px', fontSize: '1rem' ,textAlign:"center"}}>
                 {userCookie.name}
               </div>
               <CustomButton variant="contained" color="neutral" onClick={logoutHandleSubmit}>
diff --git a/src/pages/MainPage.js b/src/pages/MainPage.js
index 59e7e24..7c6c27f 100644
--- a/src/pages/MainPage.js
+++ b/src/pages/MainPage.js
@@ -3,7 +3,7 @@ import styled from 'styled-components';
 import { useNavigate, useParams } from 'react-router-dom';
 import { Box, Button, Container } from '@mui/material';
 import BaseComponent from '../components/BaseComponents';
-
+import MainImg from '../assets/main.png';
 const WrapperContainer = styled.div`
     height:100vh; 
     display:flex;
@@ -19,7 +19,6 @@ const Title = styled.div`
 function MainPage() {
 
   const [data, setData] = useState({});
-
   const params = useParams();
   const id = params.id;
 
@@ -32,7 +31,7 @@ function MainPage() {
       <Container component="main" maxWidth="xs" style={{textAlign:'center', fontSize:'1rem'}}>
         
         <Title>씨앗 위키에 오신 것을 환영합니다!</Title>
-        <hr></hr>
+        <img src={MainImg} style={{width:'200px'}}></img>
         <Box padding={'10px 0'}></Box>
         <Title>기획 의도</Title>
 
diff --git a/src/pages/SignInPage.js b/src/pages/SignInPage.js
index 5865ee5..3f69214 100644
--- a/src/pages/SignInPage.js
+++ b/src/pages/SignInPage.js
@@ -88,10 +88,6 @@ export default function SingInPage({ data }) {
               id="password"
               autoComplete="current-password"
             />
-            {/* <FormControlLabel
-              control={<Checkbox value="remember" color="primary" />}
-              label="Remember me"
-            /> */}
             <Button
               type="submit"
               fullWidth