diff --git a/internal/db/models/admin_dao.go b/internal/db/models/admin_dao.go
index 4155dd0b..2af1fe1f 100644
--- a/internal/db/models/admin_dao.go
+++ b/internal/db/models/admin_dao.go
@@ -313,6 +313,14 @@ func (this *AdminDAO) UpdateAdminTheme(tx *dbs.Tx, adminId int64, theme string)
 		UpdateQuickly()
 }
 
+// UpdateAdminLang 设置管理员语言
+func (this *AdminDAO) UpdateAdminLang(tx *dbs.Tx, adminId int64, langCode string) error {
+	return this.Query(tx).
+		Pk(adminId).
+		Set("lang", langCode).
+		UpdateQuickly()
+}
+
 // CheckSuperAdmin 检查管理员是否为超级管理员
 func (this *AdminDAO) CheckSuperAdmin(tx *dbs.Tx, adminId int64) (bool, error) {
 	if adminId <= 0 {
diff --git a/internal/rpc/services/service_admin.go b/internal/rpc/services/service_admin.go
index 49028da8..8d785692 100644
--- a/internal/rpc/services/service_admin.go
+++ b/internal/rpc/services/service_admin.go
@@ -740,3 +740,18 @@ func (this *AdminService) UpdateAdminTheme(ctx context.Context, req *pb.UpdateAd
 	}
 	return this.Success()
 }
+
+// UpdateAdminLang 修改管理员使用的语言
+func (this *AdminService) UpdateAdminLang(ctx context.Context, req *pb.UpdateAdminLangRequest) (*pb.RPCSuccess, error) {
+	adminId, err := this.ValidateAdmin(ctx)
+	if err != nil {
+		return nil, err
+	}
+	var tx = this.NullTx()
+
+	err = models.SharedAdminDAO.UpdateAdminLang(tx, adminId, req.LangCode)
+	if err != nil {
+		return nil, err
+	}
+	return this.Success()
+}