diff --git a/dislocker.py b/dislocker.py
index 87f2c0c..866a0e9 100644
--- a/dislocker.py
+++ b/dislocker.py
@@ -967,7 +967,7 @@ class Bot(discord.Client):
 
             if len(custom_id_split) >= 3:
                 if custom_id_split[2] == "quick":
-                    reason = custom_id_split[5]
+                    reason = custom_id_split[3]
                     register = bot.register(discord_user_id=interaction.user.id, name=interaction.user.name, display_name=interaction.user.display_name, pc_number=pc_number, keyboard_number=keyboard_number, mouse_number=mouse_number, detail=reason)
                     if register["about"] == "ok":
                         await interaction.response.send_message(f":white_check_mark: 使用が開始されました。\n>>> # パスワード | {register["output_dict"]["password"]}\n## PC番号 | {pc_number}\n## 使用目的 | {reason}", ephemeral=True)