diff --git a/app/src/main/java/umc/com/mobile/project/ui/career/ActivityFragment.kt b/app/src/main/java/umc/com/mobile/project/ui/career/ActivityFragment.kt
index 5a53720..50d5d1e 100644
--- a/app/src/main/java/umc/com/mobile/project/ui/career/ActivityFragment.kt
+++ b/app/src/main/java/umc/com/mobile/project/ui/career/ActivityFragment.kt
@@ -6,6 +6,7 @@ import androidx.fragment.app.Fragment
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import androidx.activity.OnBackPressedCallback
 import androidx.fragment.app.activityViewModels
 import androidx.fragment.app.viewModels
 import androidx.lifecycle.Observer
@@ -68,6 +69,13 @@ class ActivityFragment : Fragment() {
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
+        //뒤로가기 버튼 눌렀을 때
+        val callback = object : OnBackPressedCallback(true) {
+            override fun handleOnBackPressed() {
+                navigate(R.id.action_fragment_activity_to_fragment_career)
+            }
+        }
+        requireActivity().onBackPressedDispatcher.addCallback(viewLifecycleOwner, callback)
         //대외 활동 api 연결
         viewModel.getActivityInfo()
     }
diff --git a/app/src/main/java/umc/com/mobile/project/ui/career/CareerFragment.kt b/app/src/main/java/umc/com/mobile/project/ui/career/CareerFragment.kt
index b937b94..a7fe5e4 100644
--- a/app/src/main/java/umc/com/mobile/project/ui/career/CareerFragment.kt
+++ b/app/src/main/java/umc/com/mobile/project/ui/career/CareerFragment.kt
@@ -5,6 +5,7 @@ import android.text.Editable
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import androidx.activity.OnBackPressedCallback
 import androidx.fragment.app.Fragment
 import androidx.fragment.app.viewModels
 import umc.com.mobile.project.R
diff --git a/app/src/main/java/umc/com/mobile/project/ui/career/CertificateFragment.kt b/app/src/main/java/umc/com/mobile/project/ui/career/CertificateFragment.kt
index 8d815a8..f1331dc 100644
--- a/app/src/main/java/umc/com/mobile/project/ui/career/CertificateFragment.kt
+++ b/app/src/main/java/umc/com/mobile/project/ui/career/CertificateFragment.kt
@@ -7,6 +7,7 @@ import androidx.fragment.app.Fragment
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import androidx.activity.OnBackPressedCallback
 import androidx.fragment.app.activityViewModels
 import androidx.fragment.app.viewModels
 import androidx.lifecycle.Observer
@@ -60,7 +61,6 @@ class CertificateFragment : Fragment() {
                 false  // 그 외의 경우 이벤트 소비하지 않음
             }
         }
-
         _binding!!.ivCareerCertificateBack.setOnClickListener {
             navigate(R.id.action_fragment_certificate_to_fragment_career)
         }
@@ -69,6 +69,13 @@ class CertificateFragment : Fragment() {
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
+        //뒤로가기 버튼 눌렀을 때
+        val callback = object : OnBackPressedCallback(true) {
+            override fun handleOnBackPressed() {
+                navigate(R.id.action_fragment_certificate_to_fragment_career)
+            }
+        }
+        requireActivity().onBackPressedDispatcher.addCallback(viewLifecycleOwner, callback)
         //자격증 목록 api 연결
         viewModel.getCertificateInfo()
     }
diff --git a/app/src/main/java/umc/com/mobile/project/ui/career/ContestFragment.kt b/app/src/main/java/umc/com/mobile/project/ui/career/ContestFragment.kt
index 91a95d2..bf94711 100644
--- a/app/src/main/java/umc/com/mobile/project/ui/career/ContestFragment.kt
+++ b/app/src/main/java/umc/com/mobile/project/ui/career/ContestFragment.kt
@@ -6,6 +6,7 @@ import androidx.fragment.app.Fragment
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import androidx.activity.OnBackPressedCallback
 import androidx.fragment.app.activityViewModels
 import androidx.fragment.app.viewModels
 import androidx.lifecycle.Observer
@@ -53,6 +54,13 @@ class ContestFragment : Fragment() {
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
+        //뒤로가기 버튼 눌렀을 때
+        val callback = object : OnBackPressedCallback(true) {
+            override fun handleOnBackPressed() {
+                navigate(R.id.action_fragment_contest_to_fragment_career)
+            }
+        }
+        requireActivity().onBackPressedDispatcher.addCallback(viewLifecycleOwner, callback)
         //공모전 목록 api 연결
         viewModel.getContestInfo()
         // adapter 초기화
diff --git a/app/src/main/java/umc/com/mobile/project/ui/career/VolunteerFragment.kt b/app/src/main/java/umc/com/mobile/project/ui/career/VolunteerFragment.kt
index e79cc1f..78f027d 100644
--- a/app/src/main/java/umc/com/mobile/project/ui/career/VolunteerFragment.kt
+++ b/app/src/main/java/umc/com/mobile/project/ui/career/VolunteerFragment.kt
@@ -6,6 +6,7 @@ import androidx.fragment.app.Fragment
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import androidx.activity.OnBackPressedCallback
 import androidx.fragment.app.activityViewModels
 import androidx.fragment.app.viewModels
 import androidx.lifecycle.Observer
@@ -71,6 +72,13 @@ class VolunteerFragment : Fragment() {
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
+        //뒤로가기 버튼 눌렀을 때
+        val callback = object : OnBackPressedCallback(true) {
+            override fun handleOnBackPressed() {
+                navigate(R.id.action_fragment_volunteer_to_fragment_career)
+            }
+        }
+        requireActivity().onBackPressedDispatcher.addCallback(viewLifecycleOwner, callback)
         //봉사 활동 목록 api 연결
         viewModel.getVolunteerInfo()
     }
diff --git a/app/src/main/java/umc/com/mobile/project/ui/career/viewmodel/CareerAddActivityViewModel.kt b/app/src/main/java/umc/com/mobile/project/ui/career/viewmodel/CareerAddActivityViewModel.kt
index 4ce6d01..5c93e9e 100644
--- a/app/src/main/java/umc/com/mobile/project/ui/career/viewmodel/CareerAddActivityViewModel.kt
+++ b/app/src/main/java/umc/com/mobile/project/ui/career/viewmodel/CareerAddActivityViewModel.kt
@@ -70,6 +70,7 @@ class CareerAddActivityViewModel : ViewModel() {
     }
 
     fun addImageFile(file: File) {
+        Log.d("imagePath", file.toString())
         val requestFile = RequestBody.create("image/*".toMediaTypeOrNull(), file)
         val body = MultipartBody.Part.createFormData("image", file.name, requestFile)
         imageList.add(body)
@@ -179,6 +180,8 @@ class CareerAddActivityViewModel : ViewModel() {
                             } ?: RuntimeException("Unknown error")
                         } catch (e: Exception) {
                             Log.e("addCareerInfo", "addCareer:Extras API 오류: ${e.message}")
+                            val errorMessage = response.errorBody()?.string()
+                            Log.e("addCareerInfo", "addCareer:Extras API 오류: $errorMessage")
                             e.printStackTrace()
                         }
                     }