diff --git a/cmd/root.go b/cmd/root.go
index fd85595..fe5f794 100644
--- a/cmd/root.go
+++ b/cmd/root.go
@@ -1,6 +1,7 @@
 package cmd
 
 import (
+	"fmt"
 	"github.com/fatih/color"
 	"github.com/iyear/tdl/cmd/login"
 	"github.com/iyear/tdl/cmd/version"
@@ -25,8 +26,7 @@ func init() {
 	cmd.PersistentFlags().StringP("ns", "n", "", "namespace")
 
 	if err := doc.GenMarkdownTree(cmd, filepath.Join(consts.DocsPath, "command")); err != nil {
-		color.Red("generate cmd docs failed: %v", err)
-		return
+		panic(fmt.Errorf("generate cmd docs failed: %v", err))
 	}
 }
 
diff --git a/docs/command/tdl.md b/docs/command/tdl.md
index cb6bc28..76d1ab1 100644
--- a/docs/command/tdl.md
+++ b/docs/command/tdl.md
@@ -12,10 +12,12 @@ tdl -h
 
 ```
   -h, --help           help for tdl
+  -n, --ns string      namespace
       --proxy string   
 ```
 
 ### SEE ALSO
 
 * [tdl login](tdl_login.md)	 - Login to Telegram
+* [tdl version](tdl_version.md)	 - Check the version info
 
diff --git a/docs/command/tdl_login.md b/docs/command/tdl_login.md
index cac1227..e1455c5 100644
--- a/docs/command/tdl_login.md
+++ b/docs/command/tdl_login.md
@@ -15,13 +15,13 @@ tdl login
 ### Options
 
 ```
-  -h, --help        help for login
-  -n, --ns string   namespace
+  -h, --help   help for login
 ```
 
 ### Options inherited from parent commands
 
 ```
+  -n, --ns string      namespace
       --proxy string   
 ```