diff --git a/cli/atoa/r1.go b/cli/atoa/r1.go
index 40f2c29..5b6b574 100644
--- a/cli/atoa/r1.go
+++ b/cli/atoa/r1.go
@@ -6,9 +6,10 @@ import (
 	"regexp"
 	"strings"
 
-	"github.com/hedzr/cmdr/v2/pkg/exec"
 	"github.com/hedzr/evendeep/ref"
 	logz "github.com/hedzr/logg/slog"
+
+	"github.com/hedzr/cmdr/v2/pkg/exec"
 )
 
 //
diff --git a/cli/baseopt.go b/cli/baseopt.go
index d5ba91f..0901f1f 100644
--- a/cli/baseopt.go
+++ b/cli/baseopt.go
@@ -7,9 +7,10 @@ import (
 
 	"gopkg.in/hedzr/errors.v3"
 
-	"github.com/hedzr/cmdr/v2/conf"
 	"github.com/hedzr/is/term/color"
 	"github.com/hedzr/store"
+
+	"github.com/hedzr/cmdr/v2/conf"
 )
 
 func (c *BaseOpt) errIsSignalFallback(err error) bool {
diff --git a/cli/for_test.go b/cli/for_test.go
index e5abb0e..3911eec 100644
--- a/cli/for_test.go
+++ b/cli/for_test.go
@@ -6,8 +6,9 @@ import (
 	"io"
 	"time"
 
-	"github.com/hedzr/cmdr/v2/conf"
 	"github.com/hedzr/store"
+
+	"github.com/hedzr/cmdr/v2/conf"
 )
 
 func rootCmdForTesting() (root *RootCommand) { //nolint:funlen,revive //for test
@@ -1061,6 +1062,7 @@ func (s *appS) Name() string       { return s.root.AppName }
 func (s *appS) Version() string    { return s.root.Version }
 func (s *appS) Worker() Runner     { return s.Runner }
 func (s *appS) Root() *RootCommand { return s.root }
+func (s *appS) Args() []string     { return s.args }
 
 func (s *appS) ensureNewApp() App { //nolint:unparam
 	if s.root == nil {
diff --git a/cli/worker/builtins.go b/cli/worker/builtins.go
index 4df7809..704595c 100644
--- a/cli/worker/builtins.go
+++ b/cli/worker/builtins.go
@@ -4,9 +4,10 @@ import (
 	"fmt"
 	"runtime"
 
-	"github.com/hedzr/cmdr/v2/cli"
 	"github.com/hedzr/is/states"
 	logz "github.com/hedzr/logg/slog"
+
+	"github.com/hedzr/cmdr/v2/cli"
 )
 
 func (w *workerS) addBuiltinCommands(root *cli.RootCommand) (err error) { //nolint:unparam //unified form
diff --git a/cli/worker/exec.go b/cli/worker/exec.go
index 49a767f..a83bb1a 100644
--- a/cli/worker/exec.go
+++ b/cli/worker/exec.go
@@ -6,8 +6,9 @@ import (
 
 	errorsv3 "gopkg.in/hedzr/errors.v3"
 
-	"github.com/hedzr/cmdr/v2/cli"
 	logz "github.com/hedzr/logg/slog"
+
+	"github.com/hedzr/cmdr/v2/cli"
 )
 
 func (w *workerS) exec(ctx *parseCtx) (err error) {
diff --git a/cli/worker/parse.go b/cli/worker/parse.go
index fefab58..7b29aa4 100644
--- a/cli/worker/parse.go
+++ b/cli/worker/parse.go
@@ -5,8 +5,9 @@ import (
 
 	errorsv3 "gopkg.in/hedzr/errors.v3"
 
-	"github.com/hedzr/cmdr/v2/cli"
 	logz "github.com/hedzr/logg/slog"
+
+	"github.com/hedzr/cmdr/v2/cli"
 )
 
 func (w *workerS) parse(ctx *parseCtx) (err error) { //nolint:revive
diff --git a/cli/worker/pre_test.go b/cli/worker/pre_test.go
index a4eef89..3ceeddb 100644
--- a/cli/worker/pre_test.go
+++ b/cli/worker/pre_test.go
@@ -7,9 +7,10 @@ import (
 
 	errorsv3 "gopkg.in/hedzr/errors.v3"
 
+	"github.com/hedzr/store"
+
 	"github.com/hedzr/cmdr/v2/cli"
 	"github.com/hedzr/cmdr/v2/loaders"
-	"github.com/hedzr/store"
 )
 
 func TestWorkerS_Pre(t *testing.T) {
@@ -27,14 +28,16 @@ func TestWorkerS_Pre(t *testing.T) {
 
 	ww.setArgs([]string{"--debug"})
 	ww.Config.Store = store.New()
-	ww.Loaders = []cli.Loader{loaders.NewConfigFileLoader(), loaders.NewEnvVarLoader()}
+	// ww.Loaders = []cli.Loader{loaders.NewConfigFileLoader(), loaders.NewEnvVarLoader()}
 	_ = app
 
-	err := ww.Run(withTasksBeforeParse(func(root *cli.RootCommand, runner cli.Runner) (err error) { //nolint:revive
-		root.SelfAssert()
-		t.Logf("root.SelfAssert() passed.")
-		return
-	}))
+	err := ww.Run(
+		withTasksBeforeParse(func(root *cli.RootCommand, runner cli.Runner) (err error) { //nolint:revive
+			root.SelfAssert()
+			t.Logf("root.SelfAssert() passed.")
+			return
+		}),
+	)
 	if err != nil {
 		t.Fatal(err)
 	}
diff --git a/cli/worker/printer.go b/cli/worker/printer.go
index 7e5b2d4..ae6c258 100644
--- a/cli/worker/printer.go
+++ b/cli/worker/printer.go
@@ -7,12 +7,13 @@ import (
 	"strconv"
 	"strings"
 
-	"github.com/hedzr/cmdr/v2/cli"
-	"github.com/hedzr/cmdr/v2/pkg/exec"
 	"github.com/hedzr/is/states"
 	"github.com/hedzr/is/term"
 	"github.com/hedzr/is/term/color"
 	logz "github.com/hedzr/logg/slog"
+
+	"github.com/hedzr/cmdr/v2/cli"
+	"github.com/hedzr/cmdr/v2/pkg/exec"
 )
 
 type discardP struct{}
diff --git a/cli/worker/shows.go b/cli/worker/shows.go
index 0deeca9..c20e8bd 100644
--- a/cli/worker/shows.go
+++ b/cli/worker/shows.go
@@ -3,9 +3,10 @@ package worker
 import (
 	"gopkg.in/hedzr/errors.v3"
 
+	logz "github.com/hedzr/logg/slog"
+
 	"github.com/hedzr/cmdr/v2/cli"
 	"github.com/hedzr/cmdr/v2/internal/hs"
-	logz "github.com/hedzr/logg/slog"
 )
 
 func (w *workerS) showVersion(ctx *parseCtx, lastCmd *cli.Command) (err error) { //nolint:revive,unused
diff --git a/cli/worker/worker.go b/cli/worker/worker.go
index 09041dd..e99741e 100644
--- a/cli/worker/worker.go
+++ b/cli/worker/worker.go
@@ -9,10 +9,11 @@ import (
 
 	"gopkg.in/hedzr/errors.v3"
 
-	"github.com/hedzr/cmdr/v2/cli"
-	"github.com/hedzr/cmdr/v2/conf"
 	logz "github.com/hedzr/logg/slog"
 	"github.com/hedzr/store"
+
+	"github.com/hedzr/cmdr/v2/cli"
+	"github.com/hedzr/cmdr/v2/conf"
 )
 
 func New(c *cli.Config, opts ...wOpt) *workerS {
diff --git a/examples/demo/main.go b/examples/demo/main.go
index 69868aa..0f7c57d 100644
--- a/examples/demo/main.go
+++ b/examples/demo/main.go
@@ -3,11 +3,12 @@ package main
 import (
 	logz "github.com/hedzr/logg/slog"
 
+	"github.com/hedzr/store"
+
 	"github.com/hedzr/cmdr/v2"
 	"github.com/hedzr/cmdr/v2/cli"
 	"github.com/hedzr/cmdr/v2/loaders"
 	"github.com/hedzr/cmdr/v2/pkg/dir"
-	"github.com/hedzr/store"
 )
 
 func main() {
diff --git a/examples/large/main.go b/examples/large/main.go
index 7e83579..eed4d07 100644
--- a/examples/large/main.go
+++ b/examples/large/main.go
@@ -1,12 +1,13 @@
 package main
 
 import (
+	logz "github.com/hedzr/logg/slog"
+	"github.com/hedzr/store"
+
 	"github.com/hedzr/cmdr/v2"
 	"github.com/hedzr/cmdr/v2/cli"
 	"github.com/hedzr/cmdr/v2/examples"
 	"github.com/hedzr/cmdr/v2/loaders"
-	logz "github.com/hedzr/logg/slog"
-	"github.com/hedzr/store"
 )
 
 func main() {
diff --git a/examples/more.go b/examples/more.go
index e58aba9..18912b9 100644
--- a/examples/more.go
+++ b/examples/more.go
@@ -6,12 +6,13 @@ import (
 	"os"
 	"os/exec"
 
-	"github.com/hedzr/cmdr/v2/cli"
-	"github.com/hedzr/cmdr/v2/pkg/dir"
-	"github.com/hedzr/cmdr/v2/pkg/text"
 	"github.com/hedzr/is"
 	"github.com/hedzr/is/term"
 	logz "github.com/hedzr/logg/slog" //nolint:gci
+
+	"github.com/hedzr/cmdr/v2/cli"
+	"github.com/hedzr/cmdr/v2/pkg/dir"
+	"github.com/hedzr/cmdr/v2/pkg/text"
 )
 
 func AttachServerCommand(parent cli.CommandBuilder) { //nolint:revive
diff --git a/loaders/env.go b/loaders/env.go
index 66860e2..d60e5b8 100644
--- a/loaders/env.go
+++ b/loaders/env.go
@@ -3,10 +3,11 @@ package loaders
 import (
 	"context"
 
-	"github.com/hedzr/cmdr/v2/cli"
 	logz "github.com/hedzr/logg/slog"
 	"github.com/hedzr/store"
 	"github.com/hedzr/store/providers/env"
+
+	"github.com/hedzr/cmdr/v2/cli"
 )
 
 func NewEnvVarLoader() *envvarloader {
diff --git a/loaders/file.go b/loaders/file.go
index 9a111b7..f4c101d 100644
--- a/loaders/file.go
+++ b/loaders/file.go
@@ -8,8 +8,6 @@ import (
 
 	logz "github.com/hedzr/logg/slog"
 
-	"github.com/hedzr/cmdr/v2/cli"
-	"github.com/hedzr/cmdr/v2/pkg/dir"
 	"github.com/hedzr/store"
 	"github.com/hedzr/store/codecs/hcl"
 	"github.com/hedzr/store/codecs/hjson"
@@ -18,6 +16,9 @@ import (
 	"github.com/hedzr/store/codecs/toml"
 	"github.com/hedzr/store/codecs/yaml"
 	"github.com/hedzr/store/providers/file"
+
+	"github.com/hedzr/cmdr/v2/cli"
+	"github.com/hedzr/cmdr/v2/pkg/dir"
 )
 
 const confSubFolderName = "conf.d"