diff --git a/README.md b/README.md
index 40ac016d4..22cd6255e 100644
--- a/README.md
+++ b/README.md
@@ -945,6 +945,7 @@ func MaxFloat(x, y float64) float64
 // source at mathutil/convert.go
 func NewConvOption[T any](optFns ...ConvOptionFn[T]) *ConvOption[T]
 func WithNilAsFail[T any](opt *ConvOption[T])
+func WithHandlePtr[T any](opt *ConvOption[T])
 func WithUserConvFn[T any](fn ToTypeFunc[T]) ConvOptionFn[T]
 func Int(in any) (int, error)
 func SafeInt(in any) int
diff --git a/README.zh-CN.md b/README.zh-CN.md
index ac56e0398..aca933bed 100644
--- a/README.zh-CN.md
+++ b/README.zh-CN.md
@@ -946,6 +946,7 @@ func MaxFloat(x, y float64) float64
 // source at mathutil/convert.go
 func NewConvOption[T any](optFns ...ConvOptionFn[T]) *ConvOption[T]
 func WithNilAsFail[T any](opt *ConvOption[T])
+func WithHandlePtr[T any](opt *ConvOption[T])
 func WithUserConvFn[T any](fn ToTypeFunc[T]) ConvOptionFn[T]
 func Int(in any) (int, error)
 func SafeInt(in any) int
diff --git a/fsutil/opwrite.go b/fsutil/opwrite.go
index 64e3a1bac..09fd2fcfd 100644
--- a/fsutil/opwrite.go
+++ b/fsutil/opwrite.go
@@ -57,7 +57,8 @@ func TempDir(dir, pattern string) (string, error) {
 
 // MustSave create file and write contents to file, panic on error.
 //
-// data type allow: string, []byte, io.Reader
+//   - data type allow: string, []byte, io.Reader
+//
 // default option see NewOpenOption()
 func MustSave(filePath string, data any, optFns ...OpenOptionFunc) {
 	basefn.MustOK(SaveFile(filePath, data, optFns...))
@@ -65,6 +66,8 @@ func MustSave(filePath string, data any, optFns ...OpenOptionFunc) {
 
 // SaveFile create file and write contents to file. will auto create dir.
 //
+//   - data type allow: string, []byte, io.Reader
+//
 // default option see NewOpenOption()
 func SaveFile(filePath string, data any, optFns ...OpenOptionFunc) error {
 	opt := NewOpenOption(optFns...)
diff --git a/reflects/reflects.go b/reflects/reflects.go
index cd2ea0eb5..0a6cdde8a 100644
--- a/reflects/reflects.go
+++ b/reflects/reflects.go
@@ -2,7 +2,6 @@
 package reflects
 
 import (
-	"fmt"
 	"reflect"
 )
 
@@ -12,6 +11,6 @@ var (
 	anyType   = reflect.TypeOf((*any)(nil)).Elem()
 	errorType = reflect.TypeOf((*error)(nil)).Elem()
 
-	fmtStringerType  = reflect.TypeOf((*fmt.Stringer)(nil)).Elem()
+	// fmtStringerType  = reflect.TypeOf((*fmt.Stringer)(nil)).Elem()
 	reflectValueType = reflect.TypeOf((*reflect.Value)(nil)).Elem()
 )
diff --git a/strutil/strutil.go b/strutil/strutil.go
index 176ef8a47..7a2ca434b 100644
--- a/strutil/strutil.go
+++ b/strutil/strutil.go
@@ -5,7 +5,6 @@ import (
 	"errors"
 	"fmt"
 	"strings"
-	"text/template"
 
 	"github.com/gookit/goutil/comdef"
 )
@@ -90,22 +89,6 @@ func NewReplacer(pairs map[string]string) *strings.Replacer {
 	return strings.NewReplacer(ss...)
 }
 
-var builtInFuncs = template.FuncMap{
-	// don't escape content
-	"raw": func(s string) string {
-		return s
-	},
-	"trim": strings.TrimSpace,
-	// join strings
-	"join": func(ss []string, sep string) string {
-		return strings.Join(ss, sep)
-	},
-	// lower first char
-	"lcFirst": LowerFirst,
-	// upper first char
-	"upFirst": UpperFirst,
-}
-
 // WrapTag for given string.
 func WrapTag(s, tag string) string {
 	if s == "" {