refactor: Optimize i18n initialization with sync.Once for thread safety

core/i18n/i18n.go

@@ -3,6 +3,7 @@ package i18n
 import (
 	"embed"
 	"strings"
+	"sync"
 	"sync/atomic"
 
 	"github.com/1Panel-dev/1Panel/core/app/repo"
@@ -136,6 +137,7 @@ func UseI18n() gin.HandlerFunc {
 }
 
 func Init() {
+	initOnce.Do(func() {
 		bundle = i18n.NewBundle(language.Chinese)
 		bundle.RegisterUnmarshalFunc("yaml", yaml.Unmarshal)
 
@@ -151,9 +153,13 @@ func Init() {
 			dbLang = defaultLang
 		}
 		global.I18n = i18n.NewLocalizer(bundle, dbLang)
+	})
 }
 
 func UseI18nForCmd(lang string) {
+	if bundle == nil {
+		Init()
+	}
 	if lang == "" {
 		lang = defaultLang
 	}
@@ -205,6 +211,7 @@ func getLanguageFromDBInternal() string {
 }
 
 var cachedDBLang atomic.Value
+var initOnce sync.Once
 
 func GetLanguage() string {
 	if v := cachedDBLang.Load(); v != nil {