diff --git a/commands/dataLength.go b/commands/dataLength.go
index f27823d..83e0de0 100644
--- a/commands/dataLength.go
+++ b/commands/dataLength.go
@@ -140,7 +140,7 @@ func dataLengthRun(s *discordgo.Session, m any) {
 	// 지금은 임시방편
 	embed := &discordgo.MessageEmbed{
 		Title:       "저장된 데이터량",
-		Description: "총합: " + utils.InlineCode(strconv.Itoa(sum)) + "개",
+		Description: fmt.Sprintf("총합: %s개", utils.InlineCode(strconv.Itoa(sum))),
 		Color:       int(utils.EDefault),
 		Fields: []*discordgo.MessageEmbedField{
 			{
@@ -163,7 +163,7 @@ func dataLengthRun(s *discordgo.Session, m any) {
 				Inline: true,
 			},
 			{
-				Name:   username + "님이 가르쳐준 데이터량",
+				Name:   fmt.Sprintf("%s님이 가르쳐준 데이터량", username),
 				Value:  utils.InlineCode(strconv.Itoa(userLearnLength)) + "개",
 				Inline: true,
 			},
diff --git a/commands/deleteLearnedData.go b/commands/deleteLearnedData.go
index 6a7505b..10f1279 100644
--- a/commands/deleteLearnedData.go
+++ b/commands/deleteLearnedData.go
@@ -2,6 +2,7 @@ package commands
 
 import (
 	"context"
+	"fmt"
 	"strconv"
 	"strings"
 
@@ -121,7 +122,7 @@ func deleteLearnedDataRun(c *Command, s *discordgo.Session, m any, args *[]strin
 		data := datas[i]
 
 		options = append(options, discordgo.SelectMenuOption{
-			Label:       strconv.Itoa(i+1) + "번 지식",
+			Label:       fmt.Sprintf("%d번 지식", i+1),
 			Description: data.Result,
 			Value:       utils.DeleteLearnedData + data.Id.Hex() + `&No.` + strconv.Itoa(i+1),
 		})
@@ -129,10 +130,9 @@ func deleteLearnedDataRun(c *Command, s *discordgo.Session, m any, args *[]strin
 	}
 
 	embed := &discordgo.MessageEmbed{
-		Title: command + " 삭제",
-		Description: utils.CodeBlockWithLanguage("md", "# "+command+" 에 대한 대답 중 하나를 선ㅌ택하여 삭제해주세요.\n"+
-			description),
-		Color: int(utils.EDefault),
+		Title:       fmt.Sprintf("%s 삭제", command),
+		Description: utils.CodeBlockWithLanguage("md", fmt.Sprintf("# %s에 대한 대답 중 하나를 선ㅌ택하여 삭제해주세요.\n%s", command, description)),
+		Color:       int(utils.EDefault),
 	}
 
 	components := []discordgo.MessageComponent{
diff --git a/commands/help.go b/commands/help.go
index 3f6b100..f57f943 100644
--- a/commands/help.go
+++ b/commands/help.go
@@ -1,6 +1,7 @@
 package commands
 
 import (
+	"fmt"
 	"strings"
 
 	"git.wh64.net/muffin/goMuffin/configs"
@@ -50,7 +51,7 @@ func getCommandsByCategory(d *DiscommandStruct, category Category) []string {
 	commands := []string{}
 	for _, command := range d.Commands {
 		if command.Category == category {
-			commands = append(commands, "- "+command.Name+": "+command.Description)
+			commands = append(commands, fmt.Sprintf("- %s: %s", command.Name, command.Description))
 		}
 	}
 	return commands
@@ -61,7 +62,7 @@ func helpRun(c *Command, s *discordgo.Session, m any, args *[]string) {
 	embed := &discordgo.MessageEmbed{
 		Color: int(utils.EDefault),
 		Footer: &discordgo.MessageEmbedFooter{
-			Text: "버전:" + configs.MUFFIN_VERSION,
+			Text: fmt.Sprintf("버전: %s", configs.MUFFIN_VERSION),
 		},
 		Thumbnail: &discordgo.MessageEmbedThumbnail{
 			URL: s.State.User.AvatarURL("512"),
@@ -82,13 +83,12 @@ func helpRun(c *Command, s *discordgo.Session, m any, args *[]string) {
 	}
 
 	if commandName == "" || Discommand.Commands[commandName] == nil {
-		embed.Title = s.State.User.Username + "의 도움말"
+		embed.Title = fmt.Sprintf("%s의 도움말", s.State.User.Username)
 		embed.Description = utils.CodeBlockWithLanguage(
 			"md",
-			"# 일반\n"+
-				strings.Join(getCommandsByCategory(Discommand, Generals), "\n")+
-				"\n\n# 채팅\n"+
-				strings.Join(getCommandsByCategory(Discommand, Chattings), "\n"),
+			fmt.Sprintf("# 일반\n%s\n\n# 채팅\n%s",
+				strings.Join(getCommandsByCategory(Discommand, Generals), "\n"),
+				strings.Join(getCommandsByCategory(Discommand, Chattings), "\n")),
 		)
 
 		switch m := m.(type) {
@@ -107,7 +107,7 @@ func helpRun(c *Command, s *discordgo.Session, m any, args *[]string) {
 
 	command := Discommand.Commands[commandName]
 
-	embed.Title = s.State.User.Username + "의 " + command.Name + " 도움말"
+	embed.Title = fmt.Sprintf("%s의 %s 도움말", s.State.User.Username, command.Name)
 	embed.Fields = []*discordgo.MessageEmbedField{
 		{
 			Name:   "설명",
diff --git a/commands/information.go b/commands/information.go
index 9005b62..452cda6 100644
--- a/commands/information.go
+++ b/commands/information.go
@@ -1,6 +1,7 @@
 package commands
 
 import (
+	"fmt"
 	"runtime"
 
 	"git.wh64.net/muffin/goMuffin/configs"
@@ -28,11 +29,11 @@ var InformationCommand *Command = &Command{
 func informationRun(s *discordgo.Session, m any) {
 	owner, _ := s.User(configs.Config.Bot.OwnerId)
 	embed := &discordgo.MessageEmbed{
-		Title: s.State.User.Username + "의 정보",
+		Title: fmt.Sprintf("%s의 정보", s.State.User.Username),
 		Fields: []*discordgo.MessageEmbedField{
 			{
 				Name:  "운영 체제",
-				Value: utils.InlineCode(runtime.GOOS + " " + runtime.GOARCH),
+				Value: utils.InlineCode(fmt.Sprintf("%s %s", runtime.GOOS, runtime.GOARCH)),
 			},
 			{
 				Name:  "제작자",
diff --git a/commands/learn.go b/commands/learn.go
index aede037..0317342 100644
--- a/commands/learn.go
+++ b/commands/learn.go
@@ -53,7 +53,7 @@ var LearnCommand *Command = &Command{
 
 func addPrefix(arr []string) (newArr []string) {
 	for _, item := range arr {
-		newArr = append(newArr, "- "+item)
+		newArr = append(newArr, fmt.Sprintf("- %s", item))
 	}
 	return
 }
@@ -123,7 +123,8 @@ func learnRun(c *Command, s *discordgo.Session, m any, args *[]string) {
 	disallows := []string{
 		"@everyone",
 		"@here",
-		"<@" + configs.Config.Bot.OwnerId + ">"}
+		fmt.Sprintf("<@%s>", configs.Config.Bot.OwnerId),
+	}
 
 	for _, ig := range ignores {
 		if strings.Contains(command, ig) {
@@ -191,7 +192,7 @@ func learnRun(c *Command, s *discordgo.Session, m any, args *[]string) {
 
 	embed := &discordgo.MessageEmbed{
 		Title:       "✅ 성공",
-		Description: hangul.GetJosa(command, hangul.EUL_REUL) + " 배웠어요.",
+		Description: fmt.Sprintf("%s 배웠어요.", hangul.GetJosa(command, hangul.EUL_REUL)),
 		Color:       int(utils.ESuccess),
 	}
 
diff --git a/commands/learnedDataList.go b/commands/learnedDataList.go
index beb2ce8..e77f9d4 100644
--- a/commands/learnedDataList.go
+++ b/commands/learnedDataList.go
@@ -3,7 +3,6 @@ package commands
 import (
 	"context"
 	"fmt"
-	"strconv"
 	"strings"
 
 	"git.wh64.net/muffin/goMuffin/databases"
@@ -34,7 +33,7 @@ var LearnedDataListCommand *Command = &Command{
 
 func getDescriptions(datas *[]databases.Learn) (descriptions []string) {
 	for _, data := range *datas {
-		descriptions = append(descriptions, "- "+data.Command+": "+data.Result)
+		descriptions = append(descriptions, fmt.Sprintf("- %s: %s", data.Command, data.Result))
 	}
 	return
 }
@@ -103,8 +102,8 @@ func learnedDataListRun(s *discordgo.Session, m any) {
 	cur.All(context.TODO(), &datas)
 
 	embed := &discordgo.MessageEmbed{
-		Title:       globalName + "님이 알려주신 지식",
-		Description: utils.CodeBlockWithLanguage("md", "# 총 "+strconv.Itoa(len(datas))+"개에요.\n"+strings.Join(getDescriptions(&datas), "\n")),
+		Title:       fmt.Sprintf("%s님이 알려주신 지식", globalName),
+		Description: utils.CodeBlockWithLanguage("md", fmt.Sprintf("# 총 %d개에요.\n%s", len(datas), strings.Join(getDescriptions(&datas), "\n"))),
 		Color:       int(utils.EDefault),
 		Thumbnail: &discordgo.MessageEmbedThumbnail{
 			URL: avatarUrl,
diff --git a/components/deleteLearnedData.go b/components/deleteLearnedData.go
index d3cfb90..5a6b476 100644
--- a/components/deleteLearnedData.go
+++ b/components/deleteLearnedData.go
@@ -2,6 +2,7 @@ package components
 
 import (
 	"context"
+	"fmt"
 	"strings"
 
 	"git.wh64.net/muffin/goMuffin/commands"
@@ -68,7 +69,7 @@ var DeleteLearnedDataComponent *commands.Component = &commands.Component{
 			Embeds: &[]*discordgo.MessageEmbed{
 				{
 					Title:       "✅ 삭제 완료",
-					Description: itemId + "번을 삭ㅈ제했어요.",
+					Description: fmt.Sprintf("%s번을 삭ㅈ제했어요.", itemId),
 					Color:       int(utils.ESuccess),
 				},
 			},
diff --git a/handler/messageCreate.go b/handler/messageCreate.go
index db51036..3113182 100644
--- a/handler/messageCreate.go
+++ b/handler/messageCreate.go
@@ -2,6 +2,7 @@ package handler
 
 import (
 	"context"
+	"fmt"
 	"log"
 	"math/rand"
 	"strings"
@@ -65,7 +66,7 @@ func MessageCreate(s *discordgo.Session, m *discordgo.MessageCreate) {
 
 				if _, err := databases.Texts.InsertOne(context.TODO(), databases.InsertText{
 					Text:      content,
-					Persona:   "user:" + m.Author.Username,
+					Persona:   fmt.Sprintf("user:%s", m.Author.Username),
 					CreatedAt: time.Now(),
 				}); err != nil {
 					log.Fatalln(err)
@@ -108,7 +109,7 @@ func MessageCreate(s *discordgo.Session, m *discordgo.MessageCreate) {
 			if x > 2 && len(learnDatas) != 0 {
 				data := learnDatas[rand.Intn(len(learnDatas))]
 				user, _ := s.User(data.UserId)
-				s.ChannelMessageSendReply(m.ChannelID, data.Result+"\n"+utils.InlineCode(user.Username+"님이 알려주셨어요."), m.Reference())
+				s.ChannelMessageSendReply(m.ChannelID, fmt.Sprintf("%s\n%s", data.Result, utils.InlineCode(fmt.Sprintf("%s님이 알려주셨어요.", user.Username))), m.Reference())
 				return
 			}
 
diff --git a/utils/codeFormatter.go b/utils/codeFormatter.go
index cc4a8f2..20324a5 100644
--- a/utils/codeFormatter.go
+++ b/utils/codeFormatter.go
@@ -1,7 +1,7 @@
 package utils
 
 import (
-	"strconv"
+	"fmt"
 	"time"
 )
 
@@ -18,12 +18,12 @@ const (
 	RelativeTime = "R"
 )
 
-func InlineCode(str string) string {
-	return "`" + str + "`"
+func InlineCode(content string) string {
+	return fmt.Sprintf("`%s`", content)
 }
 
 func CodeBlockWithLanguage(language string, content string) string {
-	return "```" + language + "\n" + content + "\n" + "```"
+	return fmt.Sprintf("```%s\n%s\n```", language, content)
 }
 
 func CodeBlock(content string) string {
@@ -31,9 +31,9 @@ func CodeBlock(content string) string {
 }
 
 func Time(time *time.Time) string {
-	return "<t:" + strconv.FormatInt(time.Unix(), 10) + ">"
+	return fmt.Sprintf("<t:%d>", time.Unix())
 }
 
 func TimeWithStyle(time *time.Time, style string) string {
-	return "<t:" + strconv.FormatInt(time.Unix(), 10) + ":" + style + ">"
+	return fmt.Sprintf("<t:%d:%s>", time.Unix(), style)
 }