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index c44717b..1d08b4b 100644
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diff --git a/build/classes/java/main/bssm/db/bssmgit/domain/post/entity/Category.class b/build/classes/java/main/bssm/db/bssmgit/domain/post/entity/Category.class
index b9b8455..0de6c43 100644
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diff --git a/build/classes/java/main/bssm/db/bssmgit/domain/post/entity/Likes$LikesBuilder.class b/build/classes/java/main/bssm/db/bssmgit/domain/post/entity/Likes$LikesBuilder.class
index bf94b01..86e9f80 100644
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diff --git a/build/classes/java/main/bssm/db/bssmgit/domain/post/entity/Likes.class b/build/classes/java/main/bssm/db/bssmgit/domain/post/entity/Likes.class
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diff --git a/build/classes/java/main/bssm/db/bssmgit/domain/post/entity/Post$PostBuilder.class b/build/classes/java/main/bssm/db/bssmgit/domain/post/entity/Post$PostBuilder.class
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diff --git a/build/classes/java/main/bssm/db/bssmgit/domain/post/entity/Post.class b/build/classes/java/main/bssm/db/bssmgit/domain/post/entity/Post.class
index d44b97e..a54d89e 100644
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diff --git a/build/classes/java/main/bssm/db/bssmgit/domain/post/web/api/PostApiController.class b/build/classes/java/main/bssm/db/bssmgit/domain/post/web/api/PostApiController.class
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diff --git a/build/classes/java/main/bssm/db/bssmgit/domain/post/web/dto/req/PostCreateRequestDto$PostCreateRequestDtoBuilder.class b/build/classes/java/main/bssm/db/bssmgit/domain/post/web/dto/req/PostCreateRequestDto$PostCreateRequestDtoBuilder.class
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diff --git a/build/classes/java/main/bssm/db/bssmgit/domain/post/web/dto/req/PostCreateRequestDto.class b/build/classes/java/main/bssm/db/bssmgit/domain/post/web/dto/req/PostCreateRequestDto.class
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diff --git a/build/classes/java/main/bssm/db/bssmgit/domain/user/domain/ImaginaryNumber$ImaginaryNumberBuilder.class b/build/classes/java/main/bssm/db/bssmgit/domain/user/domain/ImaginaryNumber$ImaginaryNumberBuilder.class
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diff --git a/build/classes/java/main/bssm/db/bssmgit/domain/user/domain/ImaginaryNumber.class b/build/classes/java/main/bssm/db/bssmgit/domain/user/domain/ImaginaryNumber.class
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diff --git a/build/classes/java/main/bssm/db/bssmgit/domain/user/domain/User$UserBuilder.class b/build/classes/java/main/bssm/db/bssmgit/domain/user/domain/User$UserBuilder.class
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diff --git a/build/classes/java/main/bssm/db/bssmgit/domain/user/domain/User.class b/build/classes/java/main/bssm/db/bssmgit/domain/user/domain/User.class
index 13cb107..d4dad0d 100644
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diff --git a/build/classes/java/main/bssm/db/bssmgit/domain/user/facade/UserFacade.class b/build/classes/java/main/bssm/db/bssmgit/domain/user/facade/UserFacade.class
index 930f683..82dcf5c 100644
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diff --git a/build/classes/java/main/bssm/db/bssmgit/domain/user/repository/UserRepository.class b/build/classes/java/main/bssm/db/bssmgit/domain/user/repository/UserRepository.class
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diff --git a/build/classes/java/main/bssm/db/bssmgit/domain/user/service/AuthService$1.class b/build/classes/java/main/bssm/db/bssmgit/domain/user/service/AuthService$1.class
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diff --git a/build/classes/java/main/bssm/db/bssmgit/domain/user/service/AuthService.class b/build/classes/java/main/bssm/db/bssmgit/domain/user/service/AuthService.class
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diff --git a/build/classes/java/main/bssm/db/bssmgit/domain/user/service/BojService.class b/build/classes/java/main/bssm/db/bssmgit/domain/user/service/BojService.class
index d69a498..95ee5d3 100644
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diff --git a/build/classes/java/main/bssm/db/bssmgit/domain/user/service/GithubService.class b/build/classes/java/main/bssm/db/bssmgit/domain/user/service/GithubService.class
index 236d722..ff6f97f 100644
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diff --git a/build/classes/java/main/bssm/db/bssmgit/domain/user/service/ImaginaryNumberService.class b/build/classes/java/main/bssm/db/bssmgit/domain/user/service/ImaginaryNumberService.class
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diff --git a/build/classes/java/main/bssm/db/bssmgit/domain/user/web/api/AuthApiController.class b/build/classes/java/main/bssm/db/bssmgit/domain/user/web/api/AuthApiController.class
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diff --git a/build/classes/java/main/bssm/db/bssmgit/domain/user/web/api/ImaginaryNumberApiController.class b/build/classes/java/main/bssm/db/bssmgit/domain/user/web/api/ImaginaryNumberApiController.class
index 3decccb..4962457 100644
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diff --git a/build/classes/java/main/bssm/db/bssmgit/domain/user/web/api/UserApiController.class b/build/classes/java/main/bssm/db/bssmgit/domain/user/web/api/UserApiController.class
index 2432a91..308d9ad 100644
Binary files a/build/classes/java/main/bssm/db/bssmgit/domain/user/web/api/UserApiController.class and b/build/classes/java/main/bssm/db/bssmgit/domain/user/web/api/UserApiController.class differ
diff --git a/build/tmp/compileJava/previous-compilation-data.bin b/build/tmp/compileJava/previous-compilation-data.bin
index 0949857..ec0e0f9 100644
Binary files a/build/tmp/compileJava/previous-compilation-data.bin and b/build/tmp/compileJava/previous-compilation-data.bin differ
diff --git a/src/main/java/bssm/db/bssmgit/domain/user/domain/User.java b/src/main/java/bssm/db/bssmgit/domain/user/domain/User.java
index 9e3652d..6ad2f39 100644
--- a/src/main/java/bssm/db/bssmgit/domain/user/domain/User.java
+++ b/src/main/java/bssm/db/bssmgit/domain/user/domain/User.java
@@ -73,7 +73,7 @@ public class User {
     @Column(length = 8)
     private Integer commits;
 
-    @Column(length = 128)
+    @Column(length = 1024)
     private String githubMsg;
 
     @Column
diff --git a/src/main/java/bssm/db/bssmgit/domain/user/repository/UserRepository.java b/src/main/java/bssm/db/bssmgit/domain/user/repository/UserRepository.java
index dbb6d73..5350bc0 100644
--- a/src/main/java/bssm/db/bssmgit/domain/user/repository/UserRepository.java
+++ b/src/main/java/bssm/db/bssmgit/domain/user/repository/UserRepository.java
@@ -30,4 +30,6 @@ public interface UserRepository extends JpaRepository<User, Long> {
             "bssm.db.bssmgit.domain.user.domain.type.Imaginary.IMAGINARY_NUMBER")
     List<User> findByUserImaginaryUser();
 
-}
\ No newline at end of file
+    void deleteByGithubId(String githubId);
+
+}
diff --git a/src/main/java/bssm/db/bssmgit/domain/user/service/GithubService.java b/src/main/java/bssm/db/bssmgit/domain/user/service/GithubService.java
index ffb93c8..86f402d 100644
--- a/src/main/java/bssm/db/bssmgit/domain/user/service/GithubService.java
+++ b/src/main/java/bssm/db/bssmgit/domain/user/service/GithubService.java
@@ -11,14 +11,17 @@
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.scheduling.annotation.Scheduled;
 import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
 
 import java.io.BufferedReader;
+import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.io.InputStreamReader;
 import java.net.URLConnection;
 import java.util.List;
 
 import static bssm.db.bssmgit.global.exception.ErrorCode.GIT_CONNECTION_REFUSED;
+import static bssm.db.bssmgit.global.util.Constants.EVERY_10MINUTES;
 import static bssm.db.bssmgit.global.util.Constants.EVERY_5MINUTES;
 import static bssm.db.bssmgit.global.util.Constants.REGEX_FOR_COMMIT;
 
@@ -39,7 +42,8 @@ private void connectToGithub(String token) throws IOException {
         github.checkApiUrlValidity();
     }
 
-    @Scheduled(cron = EVERY_5MINUTES)
+    @Scheduled(cron = EVERY_10MINUTES)
+    @Transactional
     public void updateUserGithubInfo() throws IOException {
         connectGithub();
         List<User> users = userRepository.findAll();
@@ -47,7 +51,7 @@ public void updateUserGithubInfo() throws IOException {
         for (int i = 0, userSize = users.size(); i < userSize; i++) {
             User user = users.get(i);
             if (user.hasNotGithubId()) {
-                return;
+                continue;
             }
             Integer commit = getCommit(user.getGithubId());
             String bio = github.getUser(user.getGithubId()).getBio();
@@ -67,6 +71,22 @@ private Integer getCommit(String githubId) throws IOException {
         return Integer.parseInt(commitSymbol);
     }
 
+    @Scheduled(cron = EVERY_5MINUTES)
+    @Transactional
+    public void deleteNotFoundGithubIdUser() throws IOException {
+        List<User> users = userRepository.findAll();
+        for (int i = 0, userSize = users.size(); i < userSize; i++) {
+            User user = users.get(i);
+            try {
+                URLConnection connection = GithubUtil.getGithubUrlConnection(user.getGithubId());
+                connection.getInputStream();
+            } catch (FileNotFoundException e) {
+                log.info("{}를 찾을 수 없음 -> 해당 유저 깃허브 아이디 자동 삭제 처리", e.getMessage());
+                userRepository.deleteByGithubId(user.getGithubId());
+            }
+        }
+    }
+
     private static String getCommitSymbol(BufferedReader br) throws IOException {
         boolean isMatchRegexForCommit = false;
         String inputLine;
diff --git a/src/main/java/bssm/db/bssmgit/domain/user/web/api/UserApiController.java b/src/main/java/bssm/db/bssmgit/domain/user/web/api/UserApiController.java
index 9560bd6..8e733de 100644
--- a/src/main/java/bssm/db/bssmgit/domain/user/web/api/UserApiController.java
+++ b/src/main/java/bssm/db/bssmgit/domain/user/web/api/UserApiController.java
@@ -7,6 +7,7 @@
 import bssm.db.bssmgit.domain.user.web.dto.response.UserResponseDto;
 import bssm.db.bssmgit.global.generic.Result;
 import lombok.RequiredArgsConstructor;
+import org.springframework.web.bind.annotation.DeleteMapping;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
@@ -45,4 +46,8 @@ public void test() throws IOException {
         githubService.updateUserGithubInfo();
     }
 
+    @DeleteMapping("/test")
+    public void deleteTest() throws IOException {
+        githubService.deleteNotFoundGithubIdUser();
+    }
 }
diff --git a/src/main/java/bssm/db/bssmgit/global/util/Constants.java b/src/main/java/bssm/db/bssmgit/global/util/Constants.java
index 0789c64..12803ab 100644
--- a/src/main/java/bssm/db/bssmgit/global/util/Constants.java
+++ b/src/main/java/bssm/db/bssmgit/global/util/Constants.java
@@ -6,6 +6,7 @@ public class Constants {
     public static final String BOJ_URL = "https://solved.ac/api/v3/user/show?handle=";
 
     public static final String REGEX_FOR_COMMIT = "<h2 class=\"f4 text-normal mb-2\">";
+    public static final String EVERY_10MINUTES = "0 0/5 * * * ?";
     public static final String EVERY_5MINUTES = "0 0/5 * * * ?";
     public static final String EVERY_50MINUTES = "0 0/50 * * * ?";
 }