diff --git a/cmd/root.go b/cmd/root.go
index 7d0f7a497..596186043 100644
--- a/cmd/root.go
+++ b/cmd/root.go
@@ -8,6 +8,7 @@ import (
 	"github.com/spf13/cobra"
 	"github.com/yaoapp/kun/exception"
 	"github.com/yaoapp/yao/cmd/studio"
+	"github.com/yaoapp/yao/cmd/sui"
 	"github.com/yaoapp/yao/config"
 	"github.com/yaoapp/yao/pack"
 	"github.com/yaoapp/yao/share"
@@ -62,6 +63,7 @@ var langs = map[string]string{
 	"Error occurred while updating binary: %s":   "更新二进制文件时出错: %s",
 	"🎉Successfully updated to version: %s🎉":      "🎉成功更新到版本: %s🎉",
 	"Print all version information":              "显示详细版本信息",
+	"SUI Template Engine":                        "SUI 模板引擎命令",
 }
 
 // L 多语言切换
@@ -110,9 +112,26 @@ var studioCmd = &cobra.Command{
 	},
 }
 
+var suiCmd = &cobra.Command{
+	Use:   "sui",
+	Short: L("SUI Template Engine"),
+	Long:  L("SUI Template Engine"),
+	Args:  cobra.MinimumNArgs(1),
+	CompletionOptions: cobra.CompletionOptions{
+		DisableDefaultCmd: true,
+	},
+	Run: func(cmd *cobra.Command, args []string) {
+		fmt.Fprintln(os.Stderr, L("One or more arguments are not correct"), args)
+		os.Exit(1)
+	},
+}
+
 // 加载命令
 func init() {
+
 	studioCmd.AddCommand(studio.RunCmd)
+	suiCmd.AddCommand(sui.WatchCmd)
+
 	rootCmd.AddCommand(
 		versionCmd,
 		migrateCmd,
@@ -126,6 +145,7 @@ func init() {
 		// websocketCmd,
 		packCmd,
 		studioCmd,
+		suiCmd,
 		upgradeCmd,
 	)
 	// rootCmd.SetHelpCommand(helpCmd)
diff --git a/cmd/sui/utils.go b/cmd/sui/utils.go
new file mode 100644
index 000000000..1ecd6a1df
--- /dev/null
+++ b/cmd/sui/utils.go
@@ -0,0 +1,54 @@
+package sui
+
+import (
+	"os"
+	"path/filepath"
+
+	"github.com/yaoapp/kun/exception"
+	"github.com/yaoapp/yao/config"
+)
+
+var appPath string
+var envFile string
+
+var langs = map[string]string{
+	"Auto-build when the template file changes": "模板文件变化时自动构建",
+	"Session Data": "会话数据",
+}
+
+// L 多语言切换
+func L(words string) string {
+
+	var lang = os.Getenv("YAO_LANG")
+	if lang == "" {
+		return words
+	}
+
+	if trans, has := langs[words]; has {
+		return trans
+	}
+	return words
+}
+
+// Boot 设定配置
+func Boot() {
+	root := config.Conf.Root
+	if appPath != "" {
+		r, err := filepath.Abs(appPath)
+		if err != nil {
+			exception.New("Root error %s", 500, err.Error()).Throw()
+		}
+		root = r
+	}
+	if envFile != "" {
+		config.Conf = config.LoadFrom(envFile)
+	} else {
+		config.Conf = config.LoadFrom(filepath.Join(root, ".env"))
+	}
+
+	if config.Conf.Mode == "production" {
+		config.Production()
+	} else if config.Conf.Mode == "development" {
+		config.Development()
+	}
+}
diff --git a/cmd/sui/watch.go b/cmd/sui/watch.go
new file mode 100644
index 000000000..ccdfdeeac
--- /dev/null
+++ b/cmd/sui/watch.go
@@ -0,0 +1,223 @@
+package sui
+
+import (
+	"fmt"
+	"io/fs"
+	"os"
+	"os/signal"
+	"path/filepath"
+	"strings"
+	"sync"
+	"syscall"
+
+	"github.com/fatih/color"
+	"github.com/fsnotify/fsnotify"
+	"github.com/google/uuid"
+	jsoniter "github.com/json-iterator/go"
+	"github.com/spf13/cobra"
+	"github.com/yaoapp/gou/session"
+	"github.com/yaoapp/kun/log"
+	"github.com/yaoapp/yao/config"
+	"github.com/yaoapp/yao/engine"
+	"github.com/yaoapp/yao/sui/core"
+)
+
+var data string
+
+var watched sync.Map
+
+// WatchCmd command
+var WatchCmd = &cobra.Command{
+	Use:   "watch",
+	Short: L("Auto-build when the template file changes"),
+	Long:  L("Auto-build when the template file changes"),
+	Run: func(cmd *cobra.Command, args []string) {
+		if len(args) < 2 {
+			fmt.Fprintln(os.Stderr, color.RedString(L("yao cui watch <sui> <template>")))
+			return
+		}
+
+		Boot()
+
+		cfg := config.Conf
+		err := engine.Load(cfg)
+		if err != nil {
+			fmt.Fprintln(os.Stderr, color.RedString(err.Error()))
+			return
+		}
+
+		id := args[0]
+		template := args[1]
+
+		var sessionData map[string]interface{}
+		err = jsoniter.UnmarshalFromString(strings.TrimPrefix(data, "::"), &sessionData)
+		if err != nil {
+			fmt.Fprintln(os.Stderr, color.RedString(err.Error()))
+			return
+		}
+
+		sid := uuid.New().String()
+		if sessionData != nil && len(sessionData) > 0 {
+			session.Global().ID(sid).SetMany(sessionData)
+		}
+
+		sui, has := core.SUIs[id]
+		if !has {
+			fmt.Fprintf(os.Stderr, color.RedString(("the sui " + id + " does not exist")))
+			return
+		}
+		sui.WithSid(sid)
+
+		tmpl, err := sui.GetTemplate(template)
+		if err != nil {
+			fmt.Fprintln(os.Stderr, color.RedString(err.Error()))
+			return
+		}
+		exitSignal := make(chan os.Signal, 1)
+		signal.Notify(exitSignal, os.Interrupt, syscall.SIGTERM, syscall.SIGQUIT)
+		watchDone := make(chan uint8, 1)
+
+		// -
+		root := filepath.Join(cfg.DataRoot, tmpl.GetRoot())
+		publicRoot, err := sui.PublicRootWithSid(sid)
+		assetRoot := filepath.Join(publicRoot, "assets")
+		if err != nil {
+			fmt.Fprintln(os.Stderr, color.RedString(err.Error()))
+			return
+		}
+
+		go watch(root, func(event, name string) {
+			if event == "WRITE" || event == "CREATE" || event == "RENAME" {
+				// @Todo build single page and sync single asset file to public
+
+				fmt.Printf(color.WhiteString("Building...  "))
+				err := tmpl.Build(&core.BuildOption{SSR: true, AssetRoot: assetRoot})
+				if err != nil {
+					fmt.Fprint(os.Stderr, color.RedString(fmt.Sprintf("Failed: %s\n", err.Error())))
+					return
+				}
+				fmt.Print(color.GreenString("Success\n"))
+			}
+		}, watchDone)
+
+		fmt.Println(color.WhiteString("-----------------------"))
+		fmt.Println(color.WhiteString("Public Root: /public%s", publicRoot))
+		fmt.Println(color.WhiteString("   Template: %s", tmpl.GetRoot()))
+		fmt.Println(color.WhiteString("    Session: %s", strings.TrimLeft(data, "::")))
+		fmt.Println(color.WhiteString("-----------------------"))
+		fmt.Println(color.GreenString("Watching..."))
+		fmt.Println(color.GreenString("Press Ctrl+C to exit"))
+
+		if err != nil {
+			fmt.Fprintln(os.Stderr, color.RedString(err.Error()))
+			return
+		}
+
+		select {
+		case <-exitSignal:
+			watchDone <- 1
+			return
+		}
+	},
+}
+
+func init() {
+	WatchCmd.PersistentFlags().StringVarP(&data, "data", "d", "::{}", L("Session Data"))
+}
+
+func watch(root string, handler func(event string, name string), interrupt chan uint8) error {
+	watcher, err := fsnotify.NewWatcher()
+	if err != nil {
+		return err
+	}
+	defer watcher.Close()
+	shutdown := make(chan bool, 1)
+
+	err = filepath.Walk(root, func(path string, info fs.FileInfo, err error) error {
+		if info.IsDir() {
+			if filepath.Base(path) == ".tmp" {
+				return filepath.SkipDir
+			}
+
+			err = watcher.Add(path)
+			if err != nil {
+				return err
+			}
+			log.Info("[Watch] Watching: %s", strings.TrimPrefix(path, root))
+			watched.Store(path, true)
+		}
+		return nil
+	})
+
+	if err != nil {
+		return err
+	}
+
+	go func() {
+		for {
+			select {
+			case <-shutdown:
+				log.Info("[Watch] handler exit")
+				return
+
+			case event, ok := <-watcher.Events:
+				if !ok {
+					interrupt <- 1
+					return
+				}
+
+				basname := filepath.Base(event.Name)
+				isdir := true
+				if strings.Contains(basname, ".") {
+					isdir = false
+				}
+
+				events := strings.Split(event.Op.String(), "|")
+				for _, eventType := range events {
+					// ADD / REMOVE Watching dir
+					if isdir {
+						switch eventType {
+						case "CREATE":
+							log.Info("[Watch] Watching: %s", strings.TrimPrefix(event.Name, root))
+							watcher.Add(event.Name)
+							watched.Store(event.Name, true)
+							break
+
+						case "REMOVE":
+							log.Info("[Watch] Unwatching: %s", strings.TrimPrefix(event.Name, root))
+							watcher.Remove(event.Name)
+							watched.Delete(event.Name)
+							break
+						}
+						continue
+					}
+
+					file := strings.TrimLeft(event.Name, root)
+					handler(eventType, file)
+					log.Info("[Watch] %s %s", eventType, file)
+				}
+
+				break
+
+			case err, ok := <-watcher.Errors:
+				if !ok {
+					interrupt <- 2
+					return
+				}
+				log.Error("[Watch] Error: %s", err.Error())
+				break
+			}
+		}
+	}()
+
+	for {
+		select {
+		case code := <-interrupt:
+			shutdown <- true
+			log.Info("[Watch] Exit(%d)", code)
+			fmt.Println(color.YellowString("[Watch] Exit(%d)", code))
+			return nil
+		}
+	}
+
+}
diff --git a/go.mod b/go.mod
index 8ee143bf0..0de54f76e 100644
--- a/go.mod
+++ b/go.mod
@@ -111,7 +111,7 @@ require (
 	golang.org/x/mod v0.14.0 // indirect
 	golang.org/x/oauth2 v0.14.0 // indirect
 	golang.org/x/sync v0.5.0 // indirect
-	golang.org/x/sys v0.14.0 // indirect
+	golang.org/x/sys v0.15.0 // indirect
 	golang.org/x/tools v0.15.0 // indirect
 	google.golang.org/appengine v1.6.8 // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20231106174013-bbf56f31fb17 // indirect
diff --git a/go.sum b/go.sum
index 2a90307c6..56c81ad5a 100644
--- a/go.sum
+++ b/go.sum
@@ -319,6 +319,8 @@ golang.org/x/sys v0.8.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.11.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.14.0 h1:Vz7Qs629MkJkGyHxUlRHizWJRG2j8fbQKjELVSNhy7Q=
 golang.org/x/sys v0.14.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.15.0 h1:h48lPFYpsTvQJZF4EKyI4aLHaev3CxivZmv7yZig9pc=
+golang.org/x/sys v0.15.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/term v0.0.0-20201117132131-f5c789dd3221/go.mod h1:Nr5EML6q2oocZ2LXRh80K7BxOlk5/8JxuGnuhpl+muw=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
diff --git a/sui/api/request.go b/sui/api/request.go
index 69f16b29f..fd3f7a113 100644
--- a/sui/api/request.go
+++ b/sui/api/request.go
@@ -50,6 +50,7 @@ func NewRequestContext(c *gin.Context) (*Request, int, error) {
 func (r *Request) Render() (string, int, error) {
 
 	c := core.GetCache(r.File)
+	c = nil // disable cache @todo disable cache on development
 	if c == nil {
 		// Read the file
 		content, err := application.App.Read(r.File)
diff --git a/sui/core/interfaces.go b/sui/core/interfaces.go
index 4d28df0c6..183dd64d3 100644
--- a/sui/core/interfaces.go
+++ b/sui/core/interfaces.go
@@ -60,6 +60,8 @@ type ITemplate interface {
 
 	Build(option *BuildOption) error
 	SyncAssets(option *BuildOption) error
+
+	GetRoot() string
 }
 
 // IPage is the interface for the page
diff --git a/sui/storages/local/template.go b/sui/storages/local/template.go
index a33893166..088336b58 100644
--- a/sui/storages/local/template.go
+++ b/sui/storages/local/template.go
@@ -19,6 +19,11 @@ func (tmpl *Template) Assets() []string {
 	return nil
 }
 
+// GetRoot get the root path
+func (tmpl *Template) GetRoot() string {
+	return tmpl.Root
+}
+
 // Locales get the global locales
 func (tmpl *Template) Locales() []core.SelectOption {