diff --git a/cli/cli.go b/cli/cli.go
index 1e6debc7b..4ed343253 100644
--- a/cli/cli.go
+++ b/cli/cli.go
@@ -146,8 +146,12 @@ func Cli(version string) (err error) {
 		if !currentFlags.YouTubeComments || currentFlags.YouTubeTranscript {
 			var transcript string
 			var language = "en"
-			if currentFlags.Language != "" {
-				language = currentFlags.Language
+			if currentFlags.Language != "" || fabric.DefaultLanguage.Value != "" {
+				if currentFlags.Language != "" {
+					language = currentFlags.Language
+				} else {
+					language = fabric.DefaultLanguage.Value
+				}
 			}
 			if transcript, err = fabric.YouTube.GrabTranscript(videoId, language); err != nil {
 				return
@@ -208,7 +212,11 @@ func Cli(version string) (err error) {
 	}
 
 	var session *db.Session
-	if session, err = chatter.Send(currentFlags.BuildChatRequest(strings.Join(os.Args[1:], " ")), currentFlags.BuildChatOptions()); err != nil {
+	chatReq := currentFlags.BuildChatRequest(strings.Join(os.Args[1:], " "))
+	if chatReq.Language == "" {
+		chatReq.Language = fabric.DefaultLanguage.Value
+	}
+	if session, err = chatter.Send(chatReq, currentFlags.BuildChatOptions()); err != nil {
 		return
 	}
 
diff --git a/core/fabric.go b/core/fabric.go
index 7e3f87a19..c3f94c244 100644
--- a/core/fabric.go
+++ b/core/fabric.go
@@ -3,10 +3,14 @@ package core
 import (
 	"bytes"
 	"fmt"
+	"os"
+	"strconv"
+
 	"github.com/atotto/clipboard"
 	"github.com/danielmiessler/fabric/common"
 	"github.com/danielmiessler/fabric/db"
 	"github.com/danielmiessler/fabric/jina"
+	"github.com/danielmiessler/fabric/lang"
 	"github.com/danielmiessler/fabric/vendors/anthropic"
 	"github.com/danielmiessler/fabric/vendors/azure"
 	"github.com/danielmiessler/fabric/vendors/dryrun"
@@ -19,8 +23,6 @@ import (
 	"github.com/danielmiessler/fabric/vendors/siliconcloud"
 	"github.com/danielmiessler/fabric/youtube"
 	"github.com/pkg/errors"
-	"os"
-	"strconv"
 )
 
 const DefaultPatternsGitRepoUrl = "https://github.com/danielmiessler/fabric.git"
@@ -49,6 +51,7 @@ func NewFabricBase(db *db.Db) (ret *Fabric) {
 		VendorsAll:     NewVendorsManager(),
 		PatternsLoader: NewPatternsLoader(db.Patterns),
 		YouTube:        youtube.NewYouTube(),
+		Language:       lang.NewLanguage(),
 		Jina:           jina.NewClient(),
 	}
 
@@ -75,6 +78,7 @@ type Fabric struct {
 	VendorsAll *VendorsManager
 	*PatternsLoader
 	*youtube.YouTube
+	*lang.Language
 	Jina *jina.Client
 
 	Db *db.Db
@@ -101,6 +105,7 @@ func (o *Fabric) SaveEnvFile() (err error) {
 
 	o.YouTube.SetupFillEnvFileContent(&envFileContent)
 	o.Jina.SetupFillEnvFileContent(&envFileContent)
+	o.Language.SetupFillEnvFileContent(&envFileContent)
 
 	err = o.Db.SaveEnv(envFileContent.String())
 	return
@@ -125,6 +130,10 @@ func (o *Fabric) Setup() (err error) {
 		return
 	}
 
+	if err = o.Language.SetupOrSkip(); err != nil {
+		return
+	}
+
 	err = o.SaveEnvFile()
 
 	return
@@ -200,6 +209,7 @@ func (o *Fabric) configure() (err error) {
 	//YouTube and Jina are not mandatory, so ignore not configured error
 	_ = o.YouTube.Configure()
 	_ = o.Jina.Configure()
+	_ = o.Language.Configure()
 
 	return
 }
diff --git a/lang/language.go b/lang/language.go
new file mode 100644
index 000000000..48d76e8e6
--- /dev/null
+++ b/lang/language.go
@@ -0,0 +1,41 @@
+package lang
+
+import (
+	"github.com/danielmiessler/fabric/common"
+	"golang.org/x/text/language"
+)
+
+func NewLanguage() (ret *Language) {
+
+	label := "Language"
+	ret = &Language{}
+
+	ret.Configurable = &common.Configurable{
+		Label:           label,
+		EnvNamePrefix:   common.BuildEnvVariablePrefix(label),
+		ConfigureCustom: ret.configure,
+	}
+
+	ret.DefaultLanguage = ret.Configurable.AddSetupQuestionCustom("Output", false,
+		"Enter your default want output lang (for example: zh_CN)")
+
+	return
+}
+
+type Language struct {
+	*common.Configurable
+	DefaultLanguage *common.SetupQuestion
+}
+
+func (o *Language) configure() error {
+	if o.DefaultLanguage.Value != "" {
+		langTag, err := language.Parse(o.DefaultLanguage.Value)
+		if err == nil {
+			o.DefaultLanguage.Value = langTag.String()
+		} else {
+			o.DefaultLanguage.Value = ""
+		}
+	}
+
+	return nil
+}