diff --git a/app/src/main/java/com/example/citrusclient/views/SignUpActivity.java b/app/src/main/java/com/example/citrusclient/views/SignUpActivity.java
index e092f40..f62348f 100644
--- a/app/src/main/java/com/example/citrusclient/views/SignUpActivity.java
+++ b/app/src/main/java/com/example/citrusclient/views/SignUpActivity.java
@@ -2,6 +2,7 @@
 
 import android.content.Intent;
 import android.os.Bundle;
+import android.os.Handler;
 import android.view.View;
 import android.widget.EditText;
 import android.widget.TextView;
@@ -23,6 +24,7 @@
 
 import org.w3c.dom.Text;
 
+
 public class SignUpActivity extends AppCompatActivity {
 
     private Retrofit retrofit;
@@ -72,6 +74,7 @@
                 String id = editid.getText().toString().trim();
                 EditText editpw = (EditText) findViewById(R.id.put_pw);
                 String pw = editpw.getText().toString().trim();
+                final Handler handler = new Handler();
 
                 //入力欄が空欄の時
                 if(id.isEmpty() && pw.isEmpty() && id.trim().isEmpty() && pw.trim().isEmpty()){
@@ -92,8 +95,14 @@
                                 citrus.setAccountId(id);
 
                                 //画面遷移
-                                Intent  intent = new Intent(SignUpActivity.this,MainActivity.class);
-                                startActivity(intent);
+                                handler.post(new Runnable() {
+                                    @Override
+                                    public void run() {
+                                        Intent  intent = new Intent(SignUpActivity.this,MainActivity.class);
+                                        startActivity(intent);
+                                    }
+                                });
+
 
                             }else{
                                 //通信可能（ただしエラーが発生した場合）