diff --git a/os/gcmd/gcmd.go b/os/gcmd/gcmd.go
index fcbefd8bf..08f55f44d 100644
--- a/os/gcmd/gcmd.go
+++ b/os/gcmd/gcmd.go
@@ -14,6 +14,11 @@ import (
 	"github.com/gogf/gf/v2/container/gvar"
 	"github.com/gogf/gf/v2/internal/command"
 	"github.com/gogf/gf/v2/internal/utils"
+	"github.com/gogf/gf/v2/os/gctx"
+)
+
+const (
+	CtxKeyParser gctx.StrKey = `GoFrameCommandParser`
 )
 
 const (
diff --git a/os/gcmd/gcmd_command_help.go b/os/gcmd/gcmd_command_help.go
index 1e482650e..4fd00faff 100644
--- a/os/gcmd/gcmd_command_help.go
+++ b/os/gcmd/gcmd_command_help.go
@@ -126,6 +126,9 @@ func (c *Command) Print() {
 }
 
 func (c *Command) defaultHelpFunc(ctx context.Context, parser *Parser) error {
+	// Add built-in help option, just for info only.
+	c.Options = append(c.Options, defaultHelpOption)
+	// Print command help info to stdout.
 	c.Print()
 	return nil
 }
diff --git a/os/gcmd/gcmd_command_object.go b/os/gcmd/gcmd_command_object.go
index afa97ab86..7f6a6abf8 100644
--- a/os/gcmd/gcmd_command_object.go
+++ b/os/gcmd/gcmd_command_object.go
@@ -185,6 +185,8 @@ func newCommandFromMethod(object interface{}, method reflect.Value) (command Com
 
 	// Create function that has value return.
 	command.FuncWithValue = func(ctx context.Context, parser *Parser) (out interface{}, err error) {
+		ctx = context.WithValue(ctx, CtxKeyParser, command)
+
 		defer func() {
 			if exception := recover(); exception != nil {
 				if v, ok := exception.(error); ok && gerror.HasStack(v) {
@@ -209,8 +211,7 @@ func newCommandFromMethod(object interface{}, method reflect.Value) (command Com
 			}
 		}
 		// Default values from struct tag.
-		err = mergeDefaultStructValue(data, inputObject.Interface())
-		if err != nil {
+		if err = mergeDefaultStructValue(data, inputObject.Interface()); err != nil {
 			return nil, err
 		}
 		// Construct input parameters.
diff --git a/os/gcmd/gcmd_command_run.go b/os/gcmd/gcmd_command_run.go
index 49fd508b3..df0429eed 100644
--- a/os/gcmd/gcmd_command_run.go
+++ b/os/gcmd/gcmd_command_run.go
@@ -23,9 +23,6 @@ func (c *Command) Run(ctx context.Context) error {
 
 // RunWithValue calls custom function that bound to this command with value output.
 func (c *Command) RunWithValue(ctx context.Context) (value interface{}, err error) {
-	// Add built-in help option, just for info only.
-	c.Options = append(c.Options, defaultHelpOption)
-
 	// Parse command arguments and options using default algorithm.
 	parser, err := Parse(nil)
 	if err != nil {