diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 2b9f6f5..27daecb 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -3,6 +3,9 @@
     xmlns:tools="http://schemas.android.com/tools">
 
     <uses-permission android:name="android.permission.INTERNET" />
+    <!--갤러리 오픈 권한-->
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
 
     <application
         android:allowBackup="true"
diff --git a/app/src/main/java/umc/com/mobile/project/ui/career/CareerEditActivityFragment.kt b/app/src/main/java/umc/com/mobile/project/ui/career/CareerEditActivityFragment.kt
index e92bedf..98d4b65 100644
--- a/app/src/main/java/umc/com/mobile/project/ui/career/CareerEditActivityFragment.kt
+++ b/app/src/main/java/umc/com/mobile/project/ui/career/CareerEditActivityFragment.kt
@@ -75,7 +75,6 @@ class CareerEditActivityFragment : Fragment() {
                 if (isDeleted) {
                     //삭제 작업이 완료되면 목록 업데이트
                     navigate(R.id.action_fragment_edit_activity_to_fragment_career_activity)
-                    Toast.makeText(mContext, "삭제되었습니다.", Toast.LENGTH_SHORT).show()
                 }
             })
         }
@@ -85,7 +84,6 @@ class CareerEditActivityFragment : Fragment() {
                 if (isUpdated) {
                     //수정 작업이 완료되면 목록 업데이트
                     navigate(R.id.action_fragment_edit_activity_to_fragment_career_activity)
-                    Toast.makeText(mContext, "수정되었습니다.", Toast.LENGTH_SHORT).show()
                 }
             })
         }
diff --git a/app/src/main/java/umc/com/mobile/project/ui/career/CareerEditCertificateFragment.kt b/app/src/main/java/umc/com/mobile/project/ui/career/CareerEditCertificateFragment.kt
index 07e06f0..36597ea 100644
--- a/app/src/main/java/umc/com/mobile/project/ui/career/CareerEditCertificateFragment.kt
+++ b/app/src/main/java/umc/com/mobile/project/ui/career/CareerEditCertificateFragment.kt
@@ -65,7 +65,6 @@ class CareerEditCertificateFragment : Fragment() {
                 if (isDeleted) {
                     //삭제 작업이 완료되면 목록 업데이트
                     navigate(R.id.action_fragment_edit_certificate_to_fragment_career_certificate)
-                    Toast.makeText(mContext, "삭제되었습니다.", Toast.LENGTH_SHORT).show()
                 }
             })
         }
@@ -76,7 +75,6 @@ class CareerEditCertificateFragment : Fragment() {
                 if (isUpdated) {
                     //수정 작업이 완료되면 목록 업데이트
                     navigate(R.id.action_fragment_edit_certificate_to_fragment_career_certificate)
-                    Toast.makeText(mContext, "수정되었습니다.", Toast.LENGTH_SHORT).show()
                 }
             })
         }
diff --git a/app/src/main/java/umc/com/mobile/project/ui/career/CareerEditContestFragment.kt b/app/src/main/java/umc/com/mobile/project/ui/career/CareerEditContestFragment.kt
index cd46110..b7e1c33 100644
--- a/app/src/main/java/umc/com/mobile/project/ui/career/CareerEditContestFragment.kt
+++ b/app/src/main/java/umc/com/mobile/project/ui/career/CareerEditContestFragment.kt
@@ -73,7 +73,6 @@ class CareerEditContestFragment : Fragment() {
                 if (isDeleted) {
                     //삭제 작업이 완료되면 목록 업데이트
                     navigate(R.id.action_fragment_edit_contest_to_fragment_career_contest)
-                    Toast.makeText(mContext, "삭제되었습니다.", Toast.LENGTH_SHORT).show()
                 }
             })
         }
@@ -83,7 +82,6 @@ class CareerEditContestFragment : Fragment() {
                 if (isUpdated) {
                     //수정 작업이 완료되면 목록 업데이트
                     navigate(R.id.action_fragment_edit_contest_to_fragment_career_contest)
-                    Toast.makeText(mContext, "수정되었습니다.", Toast.LENGTH_SHORT).show()
                 }
             })
         }
diff --git a/app/src/main/java/umc/com/mobile/project/ui/career/CareerEditVolunteerFragment.kt b/app/src/main/java/umc/com/mobile/project/ui/career/CareerEditVolunteerFragment.kt
index 0cb729f..979ff6d 100644
--- a/app/src/main/java/umc/com/mobile/project/ui/career/CareerEditVolunteerFragment.kt
+++ b/app/src/main/java/umc/com/mobile/project/ui/career/CareerEditVolunteerFragment.kt
@@ -64,7 +64,6 @@ class CareerEditVolunteerFragment : Fragment() {
                 if (isDeleted) {
                     //삭제 작업이 완료되면 목록 업데이트
                     navigate(R.id.action_fragment_edit_volunteer_to_fragment_career_volunteer)
-                    Toast.makeText(mContext, "삭제되었습니다.", Toast.LENGTH_SHORT).show()
                 }
             })
         }
@@ -74,7 +73,6 @@ class CareerEditVolunteerFragment : Fragment() {
                 if (isUpdated) {
                     //수정 작업이 완료되면 목록 업데이트
                     navigate(R.id.action_fragment_edit_volunteer_to_fragment_career_volunteer)
-                    Toast.makeText(mContext, "수정되었습니다.", Toast.LENGTH_SHORT).show()
                 }
             })
         }
diff --git a/app/src/main/java/umc/com/mobile/project/ui/career/UploadBottomFragment.kt b/app/src/main/java/umc/com/mobile/project/ui/career/UploadBottomFragment.kt
index 1c436a8..008b941 100644
--- a/app/src/main/java/umc/com/mobile/project/ui/career/UploadBottomFragment.kt
+++ b/app/src/main/java/umc/com/mobile/project/ui/career/UploadBottomFragment.kt
@@ -1,8 +1,12 @@
 package umc.com.mobile.project.ui.career
 
+import android.Manifest
 import android.app.Activity
 import android.content.Context
 import android.content.Intent
+import android.content.pm.PackageManager
+import android.graphics.Bitmap
+import android.graphics.BitmapFactory
 import android.net.Uri
 import android.os.Bundle
 import android.provider.OpenableColumns
@@ -10,6 +14,8 @@ import android.util.Log
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import android.widget.Toast
+import androidx.core.content.ContextCompat
 import androidx.fragment.app.activityViewModels
 import com.google.android.material.bottomsheet.BottomSheetDialogFragment
 import umc.com.mobile.project.databinding.FragmentUploadBottomBinding
@@ -26,6 +32,9 @@ class UploadBottomFragment(context: Context, private val viewModelType: Int) :
     private val editViewModel: CareerEditActivityViewModel by activityViewModels()
     private val binding get() = _binding!!
 
+    private val REQUEST_CODE_PERMISSIONS = 10
+    private val REQUIRED_PERMISSIONS = arrayOf(Manifest.permission.READ_EXTERNAL_STORAGE, Manifest.permission.WRITE_EXTERNAL_STORAGE)
+
     override fun onCreateView(
         inflater: LayoutInflater,
         container: ViewGroup?,
@@ -44,9 +53,28 @@ class UploadBottomFragment(context: Context, private val viewModelType: Int) :
         _binding!!.ivUploadBottomClose.setOnClickListener {
             dialog!!.dismiss()
         }
+
+        if (!allPermissionsGranted()) {
+            requestPermissions(REQUIRED_PERMISSIONS, REQUEST_CODE_PERMISSIONS)
+        }
         return binding.root
     }
 
+    private fun allPermissionsGranted() = REQUIRED_PERMISSIONS.all {
+        ContextCompat.checkSelfPermission(requireContext(), it) == PackageManager.PERMISSION_GRANTED
+    }
+
+    override fun onRequestPermissionsResult(requestCode: Int, permissions: Array<String>, grantResults: IntArray) {
+        if (requestCode == REQUEST_CODE_PERMISSIONS) {
+            if (allPermissionsGranted()) {
+                // 권한이 모두 부여되었을 때 실행할 코드를 여기에 작성합니다.
+            } else {
+                Toast.makeText(requireContext(), "Permissions not granted by the user.", Toast.LENGTH_SHORT).show()
+                activity?.finish()
+            }
+        }
+    }
+
     private val PICK_IMAGE_MULTIPLE = 2
 
     private fun openGallery() {
@@ -68,13 +96,20 @@ class UploadBottomFragment(context: Context, private val viewModelType: Int) :
     }
 
     private fun createImageFile(uri: Uri): File {
-        val fileName = "img_" + System.currentTimeMillis() + ".jpg"
+        val fileName = getFileName(uri)
         val directory = requireContext().getExternalFilesDir(null)
         val file = File(directory, fileName)
 
         val inputStream = requireContext().contentResolver.openInputStream(uri)
+        val originalBitmap = BitmapFactory.decodeStream(inputStream)
+
+        // 이미지 리사이징
+        val newWidth = originalBitmap.width / 2
+        val newHeight = originalBitmap.height / 2
+        val resizedBitmap = Bitmap.createScaledBitmap(originalBitmap, newWidth, newHeight, true)
+
         val outputStream: OutputStream = FileOutputStream(file)
-        inputStream?.copyTo(outputStream)
+        resizedBitmap.compress(Bitmap.CompressFormat.JPEG, 100, outputStream)
 
         inputStream?.close()
         outputStream.close()