diff --git a/builtin/gen_auto_complete.go b/builtin/gen_auto_complete.go
index 8888a3d..96b052d 100644
--- a/builtin/gen_auto_complete.go
+++ b/builtin/gen_auto_complete.go
@@ -39,8 +39,7 @@ func GenAutoComplete() *gcli.Command {
 		Func:    doGen,
 		Name:    "genac",
 		Aliases: []string{"gen-ac"},
-		// des
-		Desc: "generate auto complete scripts for current application",
+		Desc:    "generate auto complete scripts for current application",
 	}
 
 	genOpts._selfName = c.Name
diff --git a/cmd.go b/cmd.go
index f6ddcd9..779844a 100644
--- a/cmd.go
+++ b/cmd.go
@@ -508,7 +508,7 @@ func (c *Command) parseOptions(args []string) (ss []string, err error) {
 	// args = moveArgumentsToEnd(args)
 	// Debugf("cmd: %s - option flags on after format: %v", c.Name, args)
 
-	Debugf("cmd: %s - will parse options by args: %v", c.Name, args)
+	Debugf("cmd: %s - will parse options from args: %v", c.Name, args)
 
 	// parse options, don't contains command name.
 	if err = c.Parse(args); err != nil {
diff --git a/gcli.go b/gcli.go
index 6e73919..9c9c0fe 100644
--- a/gcli.go
+++ b/gcli.go
@@ -212,13 +212,13 @@ func (g *GOptions) NoProgress() bool {
 
 func (g *GOptions) bindingFlags(fs *Flags) {
 	// up: allow use int and string.
-	fs.VarOpt(&g.verbose, "verbose", "", "Set error reporting level(quiet 0 - 5 crazy)")
+	fs.VarOpt(&g.verbose, "verbose", "", "Set logs reporting level(quiet 0 - 5 crazy)")
 
 	fs.BoolOpt(&g.inShell, "ishell", "", false, "Run in an interactive shell environment(`TODO`)")
 	fs.BoolOpt(&g.showHelp, "help", "h", false, "Display the help information")
-	fs.BoolOpt(&g.NoColor, "no-color", "", g.NoColor, "Disable color when outputting message")
-	fs.BoolOpt(&g.noProgress, "no-progress", "", g.noProgress, "Disable display progress message")
-	fs.BoolOpt(&g.noInteractive, "no-interactive", "", g.noInteractive, "Disable interactive confirmation operations")
+	fs.BoolOpt(&g.NoColor, "no-color", "nc", g.NoColor, "Disable color when outputting message")
+	fs.BoolOpt(&g.noProgress, "no-progress", "np", g.noProgress, "Disable display progress message")
+	fs.BoolOpt(&g.noInteractive, "no-interactive", "ni", g.noInteractive, "Disable interactive confirmation operation")
 }
 
 /*************************************************************************
diff --git a/gflag.go b/gflag.go
index 8314748..aa8a5a2 100644
--- a/gflag.go
+++ b/gflag.go
@@ -231,6 +231,10 @@ func (fs *Flags) Parse(args []string) (err error) {
 		return err
 	}
 
+	if gOpts.showHelp {
+		return flag.ErrHelp
+	}
+
 	// call flags validate
 	for name, meta := range fs.metas {
 		fItem := fs.fSet.Lookup(name)
@@ -262,7 +266,7 @@ var (
 )
 
 // FromStruct from struct tag binding options
-func (fs *Flags) FromStruct(ptr interface{}) error {
+func (fs *Flags) FromStruct(ptr any) error {
 	v := reflect.ValueOf(ptr)
 	if v.Kind() != reflect.Ptr {
 		return errNotPtrValue
@@ -623,7 +627,7 @@ func (fs *Flags) checkFlagInfo(meta *FlagMeta) string {
 	}
 
 	// check flag name
-	name := meta.goodName()
+	name := meta.initCheck()
 	if _, ok := fs.metas[name]; ok {
 		panicf("redefined option flag '%s'", name)
 	}
@@ -904,7 +908,7 @@ type FlagMeta struct {
 	// Name of flag and description
 	Name, Desc string
 	// default value for the flag option
-	DefVal interface{}
+	DefVal any
 	// wrapped the default value
 	defVal *structs.Value
 	// short names. eg: ["o", "a"]
@@ -921,7 +925,7 @@ type FlagMeta struct {
 }
 
 // newFlagMeta quick create an FlagMeta
-func newFlagMeta(name, desc string, defVal interface{}, shortcut string) *FlagMeta {
+func newFlagMeta(name, desc string, defVal any, shortcut string) *FlagMeta {
 	return &FlagMeta{
 		Name: name,
 		Desc: desc,
@@ -936,12 +940,7 @@ func (m *FlagMeta) Shorts2String(sep ...string) string {
 	if len(m.Shorts) == 0 {
 		return ""
 	}
-
-	char := ","
-	if len(sep) > 0 {
-		char = sep[0]
-	}
-	return strings.Join(m.Shorts, char)
+	return strings.Join(m.Shorts, sepStr(sep))
 }
 
 // HelpName for show help
@@ -974,8 +973,25 @@ func (m *FlagMeta) DValue() *stdutil.Value {
 	return m.defVal
 }
 
-func (m *FlagMeta) initCheck() {
-	m.goodName()
+func (m *FlagMeta) initCheck() string {
+	if m.Desc != "" {
+		desc := strings.Trim(m.Desc, "; ")
+		if strings.ContainsRune(desc, ';') {
+			// format: desc;required
+			parts := strutil.SplitNTrimmed(desc, ";", 2)
+			if ln := len(parts); ln > 1 {
+				bl, err := strutil.Bool(parts[1])
+				if err == nil && bl {
+					desc = parts[0]
+					m.Required = true
+				}
+			}
+		}
+
+		m.Desc = desc
+	}
+
+	return m.goodName()
 }
 
 // good name of the flag
diff --git a/util.go b/util.go
index c2ecb91..129291f 100644
--- a/util.go
+++ b/util.go
@@ -7,6 +7,7 @@ import (
 
 	"github.com/gookit/color"
 	"github.com/gookit/goutil/arrutil"
+	"github.com/gookit/goutil/common"
 	"github.com/gookit/goutil/stdutil"
 	"github.com/gookit/goutil/strutil"
 )
@@ -99,6 +100,13 @@ func panicf(format string, v ...interface{}) {
 	panic(fmt.Sprintf("GCli: "+format, v...))
 }
 
+func sepStr(seps []string) string {
+	if len(seps) > 0 {
+		return seps[0]
+	}
+	return common.DefaultSep
+}
+
 // allowed keys on struct tag.
 var flagTagKeys = arrutil.Strings{"name", "shorts", "desc", "default", "required"}