diff --git a/Api/src/main/java/tify/server/api/user/service/UserFavorUseCase.java b/Api/src/main/java/tify/server/api/user/service/UserFavorUseCase.java
index 8e7017fb..ba29ad37 100644
--- a/Api/src/main/java/tify/server/api/user/service/UserFavorUseCase.java
+++ b/Api/src/main/java/tify/server/api/user/service/UserFavorUseCase.java
@@ -11,6 +11,7 @@
 import tify.server.domain.domains.question.domain.FavorAnswer;
 import tify.server.domain.domains.question.domain.FavorQuestionCategory;
 import tify.server.domain.domains.question.dto.model.FavorAnswerCategoryDto;
+import tify.server.domain.domains.user.domain.DetailCategory;
 import tify.server.domain.domains.user.domain.SmallCategory;
 import tify.server.domain.domains.user.vo.FavorAnswerContentVo;
 import tify.server.domain.domains.user.vo.UserAnswerVo;
@@ -50,30 +51,35 @@ public List<UserAnswerVo> execute(Long userId, List<SmallCategory> smallCategory
                                                                     .getFavorQuestion()
                                                                     .getNumber(),
                                                             favorAnswer.getAnswerContent())));
-                            int userAnswerCategorySize =
+
+                            List<FavorAnswerCategoryDto> userAnswerCategories =
                                     favorAnswerCategoryDTOs.stream()
                                             .filter(
                                                     dto ->
                                                             dto.getSmallCategory()
                                                                     .equals(smallCategory))
-                                            .toList()
-                                            .size();
-                            // smallCategory와 같은 smallCategory를 가지는 favorAnswerCategoryDTO의 개수
+                                            .toList();
+                            // smallCategory와 같은 smallCategory를 가지는 favorAnswerCategoryDTO
+
+                            List<DetailCategory> answeredDetailCategories =
+                                    userAnswerCategories.stream()
+                                            .map(FavorAnswerCategoryDto::getDetailCategory)
+                                            .toList();
 
-                            int size =
-                                    favorQuestionCategories.stream()
+                            List<DetailCategory> notAnsweredDetailCategories =
+                                    DetailCategory.getDetailCategoriesBySmallCategory(smallCategory)
+                                            .stream()
                                             .filter(
-                                                    category ->
-                                                            category.getSmallCategory()
-                                                                    .equals(smallCategory))
-                                            .toList()
-                                            .size();
-                            // smallCategory와 같은 smallCategory를 가지는 detailCategory의 개수
+                                                    detailCategory ->
+                                                            !answeredDetailCategories.contains(
+                                                                    detailCategory))
+                                            .toList();
 
                             return UserAnswerVo.of(
                                     smallCategory,
                                     favorAnswerContentList,
-                                    userAnswerCategorySize == size);
+                                    notAnsweredDetailCategories.isEmpty(),
+                                    notAnsweredDetailCategories);
                         })
                 .toList();
     }
diff --git a/Core/src/main/java/tify/server/core/jwt/JwtTokenProvider.java b/Core/src/main/java/tify/server/core/jwt/JwtTokenProvider.java
index d987dae0..cd776e24 100644
--- a/Core/src/main/java/tify/server/core/jwt/JwtTokenProvider.java
+++ b/Core/src/main/java/tify/server/core/jwt/JwtTokenProvider.java
@@ -8,10 +8,8 @@
 import io.jsonwebtoken.Jwts;
 import io.jsonwebtoken.SignatureAlgorithm;
 import io.jsonwebtoken.security.Keys;
-import java.io.File;
 import java.io.IOException;
 import java.nio.charset.StandardCharsets;
-import java.nio.file.Files;
 import java.security.Key;
 import java.security.KeyFactory;
 import java.security.NoSuchAlgorithmException;
@@ -167,19 +165,8 @@ public String buildAppleClientSecret()
 
     public PrivateKey getPrivateKey()
             throws IOException, NoSuchAlgorithmException, InvalidKeySpecException {
-        String result = "";
-
-        if (hashMap.get("apple") == null) {
-            File file = new File(appleKeyPath);
-            result = new String(Files.readAllBytes(file.toPath()));
-            hashMap.put("apple", result);
-        } else {
-            result = hashMap.get("apple");
-        }
 
-        String key =
-                result.replace("-----BEGIN PRIVATE KEY-----\n", "")
-                        .replace("-----END PRIVATE KEY-----", "");
+        String key = oauthProperties.getAppleKey();
 
         byte[] encoded = Base64.decodeBase64(key.getBytes());
 
diff --git a/Core/src/main/java/tify/server/core/properties/OauthProperties.java b/Core/src/main/java/tify/server/core/properties/OauthProperties.java
index 977c15ec..a37a7e66 100644
--- a/Core/src/main/java/tify/server/core/properties/OauthProperties.java
+++ b/Core/src/main/java/tify/server/core/properties/OauthProperties.java
@@ -36,6 +36,7 @@ public static class AppleSecret {
         private String clientUrl;
         private String redirectUrl;
         private String keyPath;
+        private String key;
     }
 
     // base url
@@ -86,4 +87,8 @@ public String getAppleRedirectUrl() {
     public String getAppleKeyPath() {
         return apple.getKeyPath();
     }
+
+    public String getAppleKey() {
+        return apple.getKey();
+    }
 }
diff --git a/Core/src/main/resources/application-core.yml b/Core/src/main/resources/application-core.yml
index 5b0b2e22..7ff4af24 100644
--- a/Core/src/main/resources/application-core.yml
+++ b/Core/src/main/resources/application-core.yml
@@ -21,3 +21,4 @@ oauth2:
     log-in-key: ${APPLE_LOGIN_KEY}
     redirect-url: ${APPLE_REDIRECT}
     key-path: ${APPLE_KEY_PATH}
+    key: ${APPLE_KEY}
\ No newline at end of file
diff --git a/Domain/src/main/java/tify/server/domain/domains/user/domain/DetailCategory.java b/Domain/src/main/java/tify/server/domain/domains/user/domain/DetailCategory.java
index ab4fad38..b59a7d5a 100644
--- a/Domain/src/main/java/tify/server/domain/domains/user/domain/DetailCategory.java
+++ b/Domain/src/main/java/tify/server/domain/domains/user/domain/DetailCategory.java
@@ -33,6 +33,13 @@ public static List<DetailCategory> getDetailCategories() {
         return Arrays.stream(DetailCategory.values()).toList();
     }
 
+    public static List<DetailCategory> getDetailCategoriesBySmallCategory(
+            SmallCategory smallCategory) {
+        return Arrays.stream(DetailCategory.values())
+                .filter(detailCategory -> detailCategory.getSmallCategory().equals(smallCategory))
+                .toList();
+    }
+
     final String value;
     final SmallCategory smallCategory;
 }
diff --git a/Domain/src/main/java/tify/server/domain/domains/user/vo/UserAnswerVo.java b/Domain/src/main/java/tify/server/domain/domains/user/vo/UserAnswerVo.java
index b6a7e50d..08526449 100644
--- a/Domain/src/main/java/tify/server/domain/domains/user/vo/UserAnswerVo.java
+++ b/Domain/src/main/java/tify/server/domain/domains/user/vo/UserAnswerVo.java
@@ -4,6 +4,7 @@
 import java.util.List;
 import lombok.Builder;
 import lombok.Getter;
+import tify.server.domain.domains.user.domain.DetailCategory;
 import tify.server.domain.domains.user.domain.SmallCategory;
 
 @Getter
@@ -16,14 +17,18 @@ public class UserAnswerVo {
 
     private final boolean isAllDetailCategoryAnswered;
 
+    private final List<DetailCategory> notAnsweredDetailCategories;
+
     public static UserAnswerVo of(
             SmallCategory smallCategory,
             List<FavorAnswerContentVo> answerContentList,
-            boolean isAllDetailCategoryAnswered) {
+            boolean isAllDetailCategoryAnswered,
+            List<DetailCategory> detailCategories) {
         return UserAnswerVo.builder()
                 .smallCategory(smallCategory)
                 .answerContentList(answerContentList)
                 .isAllDetailCategoryAnswered(isAllDetailCategoryAnswered)
+                .notAnsweredDetailCategories(detailCategories)
                 .build();
     }
 }