diff --git a/src/main/java/cmf/commitField/domain/pet/controller/PetController.java b/src/main/java/cmf/commitField/domain/pet/controller/PetController.java
index 3181b84..dcf649a 100644
--- a/src/main/java/cmf/commitField/domain/pet/controller/PetController.java
+++ b/src/main/java/cmf/commitField/domain/pet/controller/PetController.java
@@ -8,11 +8,9 @@
 import cmf.commitField.domain.user.entity.User;
 import cmf.commitField.domain.user.service.CustomOAuth2UserService;
 import lombok.RequiredArgsConstructor;
-import org.springframework.http.MediaType;
 import org.springframework.http.ResponseEntity;
 import org.springframework.security.core.annotation.AuthenticationPrincipal;
 import org.springframework.web.bind.annotation.*;
-import org.springframework.web.multipart.MultipartFile;
 
 import java.util.List;
 
@@ -45,14 +43,15 @@ public ResponseEntity<List<PetsDto>> getUserAllPets(@AuthenticationPrincipal Cus
     // *************************************
 
     // 새로운 펫 추가
-    @PostMapping(consumes = MediaType.MULTIPART_FORM_DATA_VALUE)
-    public Pet createPet(
-            @RequestParam String email,
-            @RequestParam String name,
-            @RequestPart(value = "imageFile") MultipartFile imageFile
-    ) throws Exception {
-        User user = userService.getUserByEmail(email).get();
-        return petService.createPet(name, imageFile, user);
+    @PostMapping("/new")
+    public ResponseEntity<Pet> createPet(@AuthenticationPrincipal CustomOAuth2User oAuth2User) throws Exception {
+        String username = oAuth2User.getName();
+        Pet pet = petService.createPet("알알", username);
+        if(pet == null){
+            //사용자가 현재 펫이 GROWN 상태가 아닌데도 다른 경로를 통해 요청한 경우
+            ResponseEntity.badRequest();
+        }
+        return ResponseEntity.ok(pet);
     }
 
     // 모든 펫 조회
diff --git a/src/main/java/cmf/commitField/domain/pet/entity/PetGrow.java b/src/main/java/cmf/commitField/domain/pet/entity/PetGrow.java
index 63d0cc1..c8701be 100644
--- a/src/main/java/cmf/commitField/domain/pet/entity/PetGrow.java
+++ b/src/main/java/cmf/commitField/domain/pet/entity/PetGrow.java
@@ -4,10 +4,10 @@
 
 @Getter
 public enum PetGrow {
-    //FIXME: 테스트를 위한 수정, 차후 15/30으로 변경 필요
+    //FIXME: 테스트를 위한 수정, 차후 150/300으로 변경 필요
     EGG(0),
-    HATCH(20),
-    GROWN(40);
+    HATCH(5),
+    GROWN(10);
 
     private final int requiredExp;
 
diff --git a/src/main/java/cmf/commitField/domain/pet/repository/PetRepository.java b/src/main/java/cmf/commitField/domain/pet/repository/PetRepository.java
index 5f54bbd..85b71bf 100644
--- a/src/main/java/cmf/commitField/domain/pet/repository/PetRepository.java
+++ b/src/main/java/cmf/commitField/domain/pet/repository/PetRepository.java
@@ -17,4 +17,6 @@ public interface PetRepository extends JpaRepository<Pet, Long> {
 
     @Query("SELECT p FROM Pet p WHERE p.user.email = :email ORDER BY p.id DESC")
     List<Pet> findLatestPetByUserEmail(@Param("email") String email);
+    @Query("SELECT p FROM Pet p WHERE p.user.username = :username ORDER BY p.id DESC")
+    List<Pet> findLatestPetByUserUsername(@Param("username") String username);
 }
diff --git a/src/main/java/cmf/commitField/domain/pet/service/PetService.java b/src/main/java/cmf/commitField/domain/pet/service/PetService.java
index ffbcf30..de1cc6f 100644
--- a/src/main/java/cmf/commitField/domain/pet/service/PetService.java
+++ b/src/main/java/cmf/commitField/domain/pet/service/PetService.java
@@ -11,7 +11,6 @@
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
-import org.springframework.web.multipart.MultipartFile;
 
 import java.io.IOException;
 import java.util.ArrayList;
@@ -27,12 +26,15 @@ public class PetService {
     private final S3Service s3Service;
 
     // 새로운 펫 생성
-    public Pet createPet(String name, MultipartFile imageFile, User user) throws IOException {
-
-
+    public Pet createPet(String petname, String username) throws IOException {
         Random random = new Random();
-        Pet pet = new Pet(name, user);
-        return petRepository.save(pet);
+        User user = userRepository.findByUsername(username).get();
+        Pet pet = petRepository.findLatestPetByUserUsername(username).get(0);
+        if(pet.getGrow() != PetGrow.GROWN){
+            return null;
+        }
+        Pet newPet = new Pet("알알", user);
+        return petRepository.save(newPet);
     }
 
     // 모든 펫 조회
@@ -55,7 +57,7 @@ public void deletePet(Long petId) {
     @Transactional
     public UserPetDto getExpPet(String username, long commitCount) {
         User user = userRepository.findByUsername(username).get();
-        Pet pet = user.getPets().get(0);
+        Pet pet = petRepository.findLatestPetByUserUsername(username).get(0);
         pet.addExp(commitCount); // 경험치 증가
         petRepository.save(pet);
 
diff --git a/src/main/java/cmf/commitField/domain/user/controller/UserController.java b/src/main/java/cmf/commitField/domain/user/controller/UserController.java
index 2b6ee46..29c5b7c 100644
--- a/src/main/java/cmf/commitField/domain/user/controller/UserController.java
+++ b/src/main/java/cmf/commitField/domain/user/controller/UserController.java
@@ -33,7 +33,7 @@ public ResponseEntity<UserChatInfoDto> getUserChatInfo(@AuthenticationPrincipal
         return ResponseEntity.ok(userChatInfoDto);
     }
 
-    @GetMapping("/info")
+    @GetMapping("info")
     public ResponseEntity<UserInfoDto> getUserInfo(@AuthenticationPrincipal CustomOAuth2User oAuth2User){
         String username = oAuth2User.getName();
 
diff --git a/src/main/java/cmf/commitField/domain/user/service/UserService.java b/src/main/java/cmf/commitField/domain/user/service/UserService.java
index 33c79db..74c81aa 100644
--- a/src/main/java/cmf/commitField/domain/user/service/UserService.java
+++ b/src/main/java/cmf/commitField/domain/user/service/UserService.java
@@ -3,6 +3,7 @@
 import cmf.commitField.domain.commit.scheduler.CommitUpdateService;
 import cmf.commitField.domain.commit.totalCommit.service.TotalCommitService;
 import cmf.commitField.domain.pet.entity.Pet;
+import cmf.commitField.domain.pet.entity.PetGrow;
 import cmf.commitField.domain.pet.repository.PetRepository;
 import cmf.commitField.domain.pet.service.PetService;
 import cmf.commitField.domain.user.dto.UserChatInfoDto;
@@ -73,6 +74,14 @@ public UserInfoDto showUserInfo(String username) {
         User user = userRepository.findByUsername(username).get();
         Pet pet = petRepository.findLatestPetByUserEmail(user.getEmail()).get(0);
 
+        if(user.getTier() != Tier.getLevelByExp(user.getSeasonCommitCount())){
+            user.setTier(Tier.getLevelByExp(user.getSeasonCommitCount()));
+            userRepository.save(user);
+        }
+        if(pet.getGrow() != PetGrow.getLevelByExp(pet.getExp())){
+            pet.setGrow(PetGrow.getLevelByExp(pet.getExp()));
+            petRepository.save(pet);
+        }
 
         // 유저 정보 조회 후 active 상태가 아니면 Redis에 추가, 커밋 추적 시작
         String key = "commit_active:" + user.getUsername();