diff --git a/src/command/commands/get_members.ts b/src/command/commands/get_members.ts
index b713337..e517ffd 100755
--- a/src/command/commands/get_members.ts
+++ b/src/command/commands/get_members.ts
@@ -37,7 +37,9 @@ export default {
     for (const member of member_data) {
       let nickname: string;
       try {
-        nickname = (await interaction.guild.members.fetch(member[0])).nickname;
+        nickname =
+          (await interaction.guild.members.fetch(member[0])).nickname ||
+          (await interaction.client.users.fetch(member[0])).username;
       } catch (e) {
         nickname = ``;
       }
diff --git a/src/command/commands/search.ts b/src/command/commands/search.ts
index 97bdb45..a5d073d 100755
--- a/src/command/commands/search.ts
+++ b/src/command/commands/search.ts
@@ -73,9 +73,10 @@ export default {
         content: "`에러`: 해당 멤버는 등록되지 않았어요!",
       });
     }
-
     let text = "";
-    text += (await interaction.guild.members.fetch(discord_id)).nickname;
+    text +=
+      (await interaction.guild.members.fetch(discord_id)).nickname ||
+      interaction.user.username;
     text += ": ";
     for (const user of the_datas.docs) {
       const minecraft_uuid = user.data()["minecraft_uuid"];