diff --git a/.gitignore b/.gitignore
index 9f6b1b1..92e176d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,3 +10,6 @@ replit.nix
 
 #빌드파일
 /out
+
+# IDE
+/.idea
diff --git a/src/command/commands/add_nick.ts b/src/command/commands/add_nick.ts
index 982a0b0..c39e46e 100755
--- a/src/command/commands/add_nick.ts
+++ b/src/command/commands/add_nick.ts
@@ -31,19 +31,19 @@ export default {
     const blacklist = firebase.collection("blacklist");
 
     if (!(await blacklist.where("discord_id", "==", discord_id).get()).empty) {
-      interaction.editReply({
+      await interaction.editReply({
         content: "`에러`: 해당 디스코드 아이디는 블랙리스트 되었습니다.",
       });
       return;
     }
     if (!(await blacklist.where("minecraft_uuid", "==", mcuuid).get()).empty) {
-      interaction.editReply({
+      await interaction.editReply({
         content: "`에러`: 해당 마인크래프트 계정은 블랙리스트 되었습니다.",
       });
       return;
     }
     if (!(await members.where("minecraft_uuid", "==", mcuuid).get()).empty) {
-      interaction.editReply({
+      await interaction.editReply({
         content: "`에러`: 해당 마인크래프트 아이디는 이미 등록되었습니다.",
       });
       return;
diff --git a/src/command/commands/add_nick_super.ts b/src/command/commands/add_nick_super.ts
index 38ae61b..dbf6d98 100755
--- a/src/command/commands/add_nick_super.ts
+++ b/src/command/commands/add_nick_super.ts
@@ -43,19 +43,19 @@ export default {
     const blacklist = firebase.collection("blacklist");
 
     if (!(await blacklist.where("discord_id", "==", discord_id).get()).empty) {
-      interaction.editReply({
+      await interaction.editReply({
         content: "`에러`: 해당 디스코드 아이디는 블랙리스트 되었습니다.",
       });
       return;
     }
     if (!(await blacklist.where("minecraft_uuid", "==", mcuuid).get()).empty) {
-      interaction.editReply({
+      await interaction.editReply({
         content: "`에러`: 해당 마인크래프트 계정은 블랙리스트 되었습니다.",
       });
       return;
     }
     if (!(await members.where("minecraft_uuid", "==", mcuuid).get()).empty) {
-      interaction.editReply({
+      await interaction.editReply({
         content: "`에러`: 해당 마인크래프트 아이디는 이미 등록되었습니다.",
       });
       return;
diff --git a/src/command/commands/del_nick_super.ts b/src/command/commands/del_nick_super.ts
index 7c3a9ec..c34984f 100755
--- a/src/command/commands/del_nick_super.ts
+++ b/src/command/commands/del_nick_super.ts
@@ -28,10 +28,10 @@ export default {
   async execute(interaction: ChatInputCommandInteraction) {
     const discord_id = interaction.options.getUser("discord")?.id as string;
 
-    const mcid = interaction.options.getString("minecraft_id") as string;
-    let mcuuid: string;
+    const minecraft_id = interaction.options.getString("minecraft_id") as string;
+    let minecraft_uuid: string;
     try {
-      mcuuid = await mojangAPI.getUUIDFromId(mcid);
+      minecraft_uuid = await mojangAPI.getUUIDFromId(minecraft_id);
     } catch {
       await interaction.editReply({
         content:
@@ -41,7 +41,7 @@ export default {
     }
     const members = firebase.collection("members");
     const the_member = await members
-      .where("minecraft_uuid", "==", mcuuid)
+      .where("minecraft_uuid", "==", minecraft_uuid)
       .where("discord_id", "==", discord_id)
       .get();
     if (!the_member.empty) {
@@ -56,8 +56,8 @@ export default {
       } catch {
         discord_tag = "Deleted User#0000";
       }
-      interaction.editReply({
-        content: `삭제 완료:${discord_tag}(${discord_id})에게서 ${mcid}(${mcuuid})를 제거했습니다.`,
+      await interaction.editReply({
+        content: `삭제 완료:${discord_tag}(${discord_id})에게서 ${minecraft_id}(${minecraft_uuid})를 제거했습니다.`,
       });
       return;
     } else {
diff --git a/src/command/commands/get_blacklist.ts b/src/command/commands/get_blacklist.ts
index 7241d68..18dc08e 100755
--- a/src/command/commands/get_blacklist.ts
+++ b/src/command/commands/get_blacklist.ts
@@ -7,7 +7,7 @@ import mojangAPI from "../../wrapper/mojang-api.js";
 export default {
   data: new SlashCommandBuilder()
     .setName("get_blacklist")
-    .setDescription("show blicklist")
+    .setDescription("show blacklist")
     .setDMPermission(false),
   async execute(interaction: ChatInputCommandInteraction) {
     const discord_id = interaction.user.id;
@@ -16,7 +16,7 @@ export default {
     const blacklist = firebase.collection("blacklist");
 
     if ((await members.where("discord_id", "==", discord_id).get()).empty) {
-      interaction.editReply({
+      await interaction.editReply({
         content: "`에러`: 하나 이상의 아이디를 등록해야 합니다.",
       });
       return;
diff --git a/src/command/commands/get_file.ts b/src/command/commands/get_file.ts
index 092bf19..e3d4d43 100755
--- a/src/command/commands/get_file.ts
+++ b/src/command/commands/get_file.ts
@@ -15,7 +15,7 @@ export default {
     const blacklist = firebase.collection("blacklist");
 
     if ((await members.where("discord_id", "==", discord_id).get()).empty) {
-      interaction.editReply({
+      await interaction.editReply({
         content: "`에러`: 하나 이상의 아이디를 등록해야 합니다.",
       });
       return;
diff --git a/src/command/commands/get_members.ts b/src/command/commands/get_members.ts
index e517ffd..09c34a3 100755
--- a/src/command/commands/get_members.ts
+++ b/src/command/commands/get_members.ts
@@ -15,7 +15,7 @@ export default {
     const members = firebase.collection("members");
 
     if ((await members.where("discord_id", "==", discord_id).get()).empty) {
-      interaction.editReply({
+      await interaction.editReply({
         content: "`에러`: 하나 이상의 아이디를 등록해야 합니다.",
       });
       return;
@@ -64,8 +64,8 @@ export default {
       text += "\n\n";
     }
     const sliced = dmSlice(text);
-    for (const chunc of sliced) {
-      await interaction.user.send(chunc);
+    for (const chunk of sliced) {
+      await interaction.user.send(chunk);
     }
     await interaction.editReply("dm을 확인해주세요.");
   },
diff --git a/src/command/commands/get_raw_file.ts b/src/command/commands/get_raw_file.ts
index 0157d91..99f6800 100755
--- a/src/command/commands/get_raw_file.ts
+++ b/src/command/commands/get_raw_file.ts
@@ -20,7 +20,7 @@ export default {
     const blacklist = firebase.collection("blacklist");
 
     if ((await members.where("discord_id", "==", discord_id).get()).empty) {
-      interaction.editReply({
+      await interaction.editReply({
         content: "`에러`: 하나 이상의 아이디를 등록해야 합니다.",
       });
       return;
diff --git a/src/command/commands/mov_blacklist_super.ts b/src/command/commands/mov_blacklist_super.ts
index 82961b7..1a0dd30 100755
--- a/src/command/commands/mov_blacklist_super.ts
+++ b/src/command/commands/mov_blacklist_super.ts
@@ -31,12 +31,12 @@ export default {
       return;
     }
 
-    const target_datas: TUser[] = [];
+    const target_data: TUser[] = [];
     target.forEach((doc) => {
-      target_datas.push(doc.data() as TUser);
+      target_data.push(doc.data() as TUser);
       members.doc(doc.id).delete();
     });
-    target_datas.forEach((user) => {
+    target_data.forEach((user) => {
       blacklist.add(user);
     });
 
diff --git a/src/command/commands/ping.ts b/src/command/commands/ping.ts
index e269ffd..61905a5 100755
--- a/src/command/commands/ping.ts
+++ b/src/command/commands/ping.ts
@@ -24,12 +24,12 @@ export default {
           value: `${interaction.client.ws.ping}ms`,
         },
         {
-          name: "Roundtrip latency",
+          name: "RoundTrip latency",
           value: `${defer.createdTimestamp - interaction.createdTimestamp}ms`,
         }
       )
       .setFooter({ text: `Bot runner: ${process.env.RUNNER_NAME}` });
 
-    interaction.editReply({ embeds: [embed] });
+    await interaction.editReply({ embeds: [embed] });
   },
 };
diff --git a/src/command/commands/search.ts b/src/command/commands/search.ts
index a5d073d..c2cdbbe 100755
--- a/src/command/commands/search.ts
+++ b/src/command/commands/search.ts
@@ -35,7 +35,7 @@ export default {
     if (
       (await members.where("discord_id", "==", interaction.user.id).get()).empty
     ) {
-      interaction.editReply({
+      await interaction.editReply({
         content: `\`에러\`:하나 이상의 아이디를 등록해야만 합니다.`,
       });
       return;
@@ -57,7 +57,7 @@ export default {
         .where("minecraft_uuid", "==", minecraft_uuid)
         .get();
       if (member.empty) {
-        interaction.editReply({
+        await interaction.editReply({
           content: `\`에러\`: 해당 마인크래프트 아이디는 등록되지 않았어요!`,
         });
         return;
@@ -67,9 +67,9 @@ export default {
       discord_id = interaction.options.getUser("discord").id;
     }
 
-    const the_datas = await members.where("discord_id", "==", discord_id).get();
-    if (the_datas.empty) {
-      interaction.editReply({
+    const the_data = await members.where("discord_id", "==", discord_id).get();
+    if (the_data.empty) {
+      await interaction.editReply({
         content: "`에러`: 해당 멤버는 등록되지 않았어요!",
       });
     }
@@ -78,14 +78,14 @@ export default {
       (await interaction.guild.members.fetch(discord_id)).nickname ||
       interaction.user.username;
     text += ": ";
-    for (const user of the_datas.docs) {
+    for (const user of the_data.docs) {
       const minecraft_uuid = user.data()["minecraft_uuid"];
       text += await mojangAPI.getIdFromUUID(minecraft_uuid);
       text += ` [${minecraft_uuid}]`;
       text += ", ";
     }
     text = text.slice(0, -2);
-    interaction.editReply({
+    await interaction.editReply({
       content: text,
     });
   },
diff --git a/src/functions.ts b/src/functions.ts
index f05f56c..d1dcccf 100644
--- a/src/functions.ts
+++ b/src/functions.ts
@@ -11,11 +11,11 @@ export type TCommand = {
   execute: (interaction: ChatInputCommandInteraction) => Promise<void>;
 };
 export function getCommands(): Collection<string, TCommand> {
-  const commandColection = new Collection<string, TCommand>();
+  const commandCollection = new Collection<string, TCommand>();
   for (const command of commands) {
-    commandColection.set(command.data.name, command);
+    commandCollection.set(command.data.name, command);
   }
-  return commandColection;
+  return commandCollection;
 }
 
 export type TUser = {
@@ -35,9 +35,9 @@ export function dmSlice(raw: string): string[] {
     let front = txt.slice(0, 2000);
     let end = txt.slice(2000, txt.length);
     if (end) {
-      let tolast = front.slice(front.lastIndexOf("\n"), -1);
+      let toLast = front.slice(front.lastIndexOf("\n"), -1);
       front = front.slice(0, front.lastIndexOf("\n"));
-      end = tolast + end;
+      end = toLast + end;
     }
     return { front, end };
   }
diff --git a/src/main.ts b/src/main.ts
index cc4561c..dbeee2e 100755
--- a/src/main.ts
+++ b/src/main.ts
@@ -6,7 +6,7 @@ import { getCommands } from "./functions.js";
 
 const client = new Client({ intents: [GatewayIntentBits.Guilds] });
 
-const commandColection = getCommands();
+const commandCollection = getCommands();
 export let onTime: Date;
 
 client.once(Events.ClientReady, (event) => {
@@ -17,7 +17,7 @@ client.once(Events.ClientReady, (event) => {
 client.on(Events.InteractionCreate, async (interaction) => {
   if (!interaction.isChatInputCommand()) return;
 
-  const command = commandColection.get(interaction.commandName);
+  const command = commandCollection.get(interaction.commandName);
   if (interaction.commandName !== "ping") {
     await interaction.deferReply({ ephemeral: true });
   }
diff --git a/src/utils/two-way-map.ts b/src/utils/two-way-map.ts
index c7d76b9..6848bf6 100644
--- a/src/utils/two-way-map.ts
+++ b/src/utils/two-way-map.ts
@@ -29,19 +29,19 @@ export default class TwoWayMap<T1, T2> {
     this.secondMap.set(second, first);
   }
   remove_by_first(first: T1): T2 | undefined {
-    const firstget = this.firstMap.get(first);
-    if (!firstget) return undefined;
+    const t2 = this.firstMap.get(first);
+    if (!t2) return undefined;
 
     this.firstMap.delete(first);
-    this.secondMap.delete(firstget);
-    return firstget;
+    this.secondMap.delete(t2);
+    return t2;
   }
   remove_by_second(second: T2): T1 | undefined {
-    const secondget = this.secondMap.get(second);
-    if (!secondget) return undefined;
+    const t1 = this.secondMap.get(second);
+    if (!t1) return undefined;
 
-    this.firstMap.delete(secondget);
+    this.firstMap.delete(t1);
     this.secondMap.delete(second);
-    return secondget;
+    return t1;
   }
 }
diff --git a/src/wrapper/mojang-api.ts b/src/wrapper/mojang-api.ts
index 492e7aa..c02af26 100644
--- a/src/wrapper/mojang-api.ts
+++ b/src/wrapper/mojang-api.ts
@@ -1,9 +1,9 @@
 import axios from "axios";
 
-import TwoWayMmap from "../utils/two-way-map.js";
+import TwoWayMap from "../utils/two-way-map.js";
 
 class MojangAPI {
-  private cached: TwoWayMmap<string, string> = new TwoWayMmap<string, string>(); // uuid, id
+  private cached: TwoWayMap<string, string> = new TwoWayMap<string, string>(); // uuid, id
 
   async getIdFromUUID(minecraft_uuid: string): Promise<string> {
     let id = this.cached.get_by_first(minecraft_uuid);