diff --git a/xcmd/commander.go b/xcmd/commander.go
index 153b453..e9a80f8 100644
--- a/xcmd/commander.go
+++ b/xcmd/commander.go
@@ -242,7 +242,7 @@ func (c *Command) Execute(ctx context.Context, args ...string) error {
 		// 以index=0的元素作为命令名尝试寻找subcommand
 		argFirst = args[0]
 		for _, cmd := range c.commands {
-			if cmd.Name() != argFirst {
+			if cmd.Name() != argFirst && !xutil.ContainString(cmd.cc.Alias, argFirst) {
 				continue
 			}
 			return cmd.Execute(ctx, args[1:]...)
@@ -271,7 +271,8 @@ func (c *Command) Execute(ctx context.Context, args ...string) error {
 			executerMiddleware = append(executerMiddleware, c.executerMiddleware...)
 		} else {
 			execUsing = func(ctx context.Context, cmd *Command) error {
-				return usageExecuter(context.Background(), cmd)
+				// 依赖flagset的usage打印help信息，不再主动打印
+				return nil
 			}
 		}
 	}
diff --git a/xcmd/explain.go b/xcmd/explain.go
index 27abe03..899e424 100644
--- a/xcmd/explain.go
+++ b/xcmd/explain.go
@@ -86,6 +86,10 @@ func explainGroup(w io.Writer, c *Command) {
 		fmt.Fprintf(w, "USAGE: \n%s%s <subcommand> <flags> <args>\n\n", PaddingContent, strings.Join(c.usageNamePath, " "))
 	}
 
+	if len(c.cc.Alias) != 0 {
+		fmt.Fprintf(w, "ALIAS: \n%s%s\n\n", PaddingContent, strings.Join(c.cc.Alias, ","))
+	}
+
 	paragraph(w, "DEPRECATED", c.cc.Deprecated)
 	paragraph(w, "DESCRIPTION", c.cc.Description)
 	paragraph(w, "EXAMPLES", c.cc.Examples)
diff --git a/xcmd/gen_config_optiongen.go b/xcmd/gen_config_optiongen.go
index 64efccf..9611731 100644
--- a/xcmd/gen_config_optiongen.go
+++ b/xcmd/gen_config_optiongen.go
@@ -30,6 +30,8 @@ type config struct {
 	Deprecated string
 	// annotation@Author(comment="命令作者联系信息，只用于显示")
 	Author []string
+	// annotation@Alias(comment="alias command")
+	Alias []string
 }
 
 // NewConfig new config
@@ -140,6 +142,15 @@ func WithAuthor(v ...string) ConfigOption {
 	}
 }
 
+// WithAlias alias command
+func WithAlias(v ...string) ConfigOption {
+	return func(cc *config) ConfigOption {
+		previous := cc.Alias
+		cc.Alias = v
+		return WithAlias(previous...)
+	}
+}
+
 // InstallConfigWatchDog the installed func will called when NewConfig  called
 func InstallConfigWatchDog(dog func(cc *config)) { watchDogConfig = dog }
 
@@ -160,6 +171,7 @@ func newDefaultConfig() *config {
 		WithOutput(os.Stdout),
 		WithDeprecated(""),
 		WithAuthor(make([]string, 0)...),
+		WithAlias(make([]string, 0)...),
 	} {
 		opt(cc)
 	}
@@ -177,6 +189,7 @@ func (cc *config) GetSuggestionsMinDistance() int { return cc.SuggestionsMinDist
 func (cc *config) GetOutput() io.Writer           { return cc.Output }
 func (cc *config) GetDeprecated() string          { return cc.Deprecated }
 func (cc *config) GetAuthor() []string            { return cc.Author }
+func (cc *config) GetAlias() []string             { return cc.Alias }
 
 // ConfigVisitor visitor interface for config
 type ConfigVisitor interface {
@@ -189,6 +202,7 @@ type ConfigVisitor interface {
 	GetOutput() io.Writer
 	GetDeprecated() string
 	GetAuthor() []string
+	GetAlias() []string
 }
 
 // ConfigInterface visitor + ApplyOption interface for config
diff --git a/xcmd/main/main.go b/xcmd/main/main.go
index ff2a823..4a9228a 100644
--- a/xcmd/main/main.go
+++ b/xcmd/main/main.go
@@ -34,6 +34,7 @@ func main() {
 		return next(ctx, c)
 	})
 	cmdExport := xcmd.SubCommand("export", // 添加一个子命令
+		xcmd.WithAlias("gen", "cc"),
 		xcmd.WithShort("export proto to golang/cs/python/lua"),
 		xcmd.WithDescription(`详细描述一下，在执行: export --help时会显示该消息，并可以换行,内部会自动格式化`),
 		xcmd.WithExamples(`- 只设定http: export --http_address=10.0.0.1
diff --git a/xcmd/middleware.go b/xcmd/middleware.go
index 29ba617..cbd375a 100644
--- a/xcmd/middleware.go
+++ b/xcmd/middleware.go
@@ -2,6 +2,7 @@ package xcmd
 
 import (
 	"context"
+	"fmt"
 
 	"github.com/sandwich-go/xconf"
 )
@@ -10,6 +11,7 @@ import (
 type Executer = func(ctx context.Context, cmd *Command) error
 
 var usageExecuter = func(ctx context.Context, cmd *Command) error {
+	fmt.Println("usageExecuterusageExecuterusageExecuterusageExecuterusageExecuterusageExecuterusageExecuterusageExecuterusageExecuter")
 	cmd.Usage()
 	return xconf.ErrHelp
 }
diff --git a/xcmd/option.go b/xcmd/option.go
index 769549a..7e9a11a 100644
--- a/xcmd/option.go
+++ b/xcmd/option.go
@@ -36,6 +36,8 @@ func configOptionDeclareWithDefault() interface{} {
 		"Deprecated": "",
 		// annotation@Author(comment="命令作者联系信息，只用于显示")
 		"Author": []string{},
+		// annotation@Alias(comment="alias command")
+		"Alias": []string{},
 	}
 }