diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 4c3cd5d..88f3f83 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -10,17 +10,21 @@
 
     <application
         android:name=".app.Cosmos"
-        android:networkSecurityConfig="@xml/network_security_config"
         android:allowBackup="true"
         android:hardwareAccelerated="true"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
+        android:networkSecurityConfig="@xml/network_security_config"
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/AppTheme">
         <activity
+            android:name=".views.DisplayGroupIDActivity"
+            android:label="IDを表示"
+            ></activity>
+        <activity
             android:name=".views.CreateGroupActivity"
-            android:label="グループ作成"></activity>
+            android:label="グループ作成" />
         <activity
             android:name=".views.JoinGroupByIDActivity"
             android:label="IDでグループに入る" />