diff --git a/app/src/main/java/com/example/nemophila/MyPageEditorActivity.java b/app/src/main/java/com/example/nemophila/MyPageEditorActivity.java
index e46feb8..a92b444 100644
--- a/app/src/main/java/com/example/nemophila/MyPageEditorActivity.java
+++ b/app/src/main/java/com/example/nemophila/MyPageEditorActivity.java
@@ -29,12 +29,14 @@
     private String icon;
     //マイページ編集画面の作成
 
-    private ActivityResultLauncher<String[]> launcher = registerForActivityResult(new ActivityResultContracts.OpenMultipleDocuments(), new ActivityResultCallback<List<Uri>>() {
+    private ActivityResultLauncher<String[]> launcher = registerForActivityResult(new ActivityResultContracts.OpenDocument(), new ActivityResultCallback<Uri>() {
         @Override
-        public void onActivityResult(List<Uri> uriList) {
+        public void onActivityResult(Uri uri) {
 
-            if(uriList.size() == 0)return;
-            icon = new String(Base64.getEncoder().encode(uriList.get(0).toString().getBytes()));
+            if(uri == null)return;
+            icon = new String(Base64.getEncoder().encode(uri.toString().getBytes()));
+            ImageButton changeIconButton = (ImageButton)findViewById(R.id.changeIconButton);
+            changeIconButton.setImageURI(uri);
         }
 
     });
@@ -100,7 +102,7 @@
         ImageButton changeIconButton = (ImageButton)findViewById(R.id.changeIconButton);
         changeIconButton.setOnClickListener(new View.OnClickListener(){
             public void onClick(View v) {
-                launcher.launch(new String[]{"image/*"});
+                launcher.launch(new String[] {"image/*"});
             }
         });
 
@@ -140,7 +142,7 @@
                 String uid = nemophila.getUid();
                 String token = nemophila.getToken();
                 accountViewModel.deleteAccount(uid,token);
-                Intent intent = new Intent(MyPageEditorActivity.this, LoginActivity.class);
+                Intent intent = new Intent(MyPageEditorActivity.this, SignUpActivity.class);
                 startActivity(intent);
             }
         });