diff --git a/docs/docs/guide/deploy.md b/docs/docs/guide/deploy.md
index 7bd3a47d..2650ab02 100644
--- a/docs/docs/guide/deploy.md
+++ b/docs/docs/guide/deploy.md
@@ -9,8 +9,9 @@ docker run -d \
     --name artalk \
     -p 8080:23366 \
     -v $(pwd)/data:/data \
-    -e ATK_TRUSTED_DOMAINS="https://your_domain" \
+    -e ATK_LOCALE="zh-CN" \
     -e ATK_SITE_DEFAULT="Artalk 的博客" \
+    -e ATK_TRUSTED_DOMAINS="https://your_domain" \
     artalk/artalk-go
 ```
 
@@ -87,8 +88,9 @@ services:
       - ./data:/data
     environment:
       - TZ=Asia/Shanghai
-      - ATK_TRUSTED_DOMAINS="https://your_domain"
+      - ATK_LOCALE="zh-CN"
       - ATK_SITE_DEFAULT="Artalk 的博客"
+      - ATK_TRUSTED_DOMAINS="https://your_domain"
 ```
 
 创建容器：
diff --git a/docs/docs/guide/env.md b/docs/docs/guide/env.md
index cefe2b50..85e04f52 100644
--- a/docs/docs/guide/env.md
+++ b/docs/docs/guide/env.md
@@ -24,6 +24,7 @@ services:
     volumes:
       - ./data:/data
     environment:
+      - ATK_LOCALE="zh-CN"
       - ATK_TRUSTED_DOMAINS="https://your_domain https://your_domain2"
       - ATK_ADMIN_USERS_0_NAME=admin
       - ATK_ADMIN_USERS_0_EMAIL=admin@example.org
diff --git a/internal/core/gen.go b/internal/core/gen.go
index bcf93add..12e766e6 100644
--- a/internal/core/gen.go
+++ b/internal/core/gen.go
@@ -1,6 +1,7 @@
 package core
 
 import (
+	"cmp"
 	"fmt"
 	"io"
 	"os"
@@ -15,6 +16,8 @@ import (
 )
 
 func Gen(genType string, specificPath string, overwrite bool) {
+	locale := cmp.Or(os.Getenv("ATK_LOCALE"), "en")
+
 	// check if generate config file
 	isGenConf := false
 	if genType == "config" || genType == "conf" || genType == "artalk.yml" {
@@ -25,8 +28,7 @@ func Gen(genType string, specificPath string, overwrite bool) {
 	// get generation content
 	var fileStr string
 	if isGenConf {
-		// TODO detect the user env language
-		fileStr = config.Template("en")
+		fileStr = config.Template(locale)
 		// gen random `app_key`
 		appKey := utils.RandomStringWithAlphabet(16, "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ!@#$%^&*1234567890")
 		fileStr = strings.Replace(fileStr, `app_key: ""`, fmt.Sprintf(`app_key: "%s"`, appKey), 1)