diff --git a/arrutil/format.go b/arrutil/format.go
index b549bcc55..5e2f91091 100644
--- a/arrutil/format.go
+++ b/arrutil/format.go
@@ -26,6 +26,11 @@ func NewFormatter(arr any) *ArrFormatter {
 	return f
 }
 
+// FormatIndent array data to string.
+func FormatIndent(arr any, indent string) string {
+	return NewFormatter(arr).WithIndent(indent).Format()
+}
+
 // WithFn for config self
 func (f *ArrFormatter) WithFn(fn func(f *ArrFormatter)) *ArrFormatter {
 	fn(f)
@@ -116,8 +121,3 @@ func (f *ArrFormatter) doFormat() {
 	}
 	writer.WriteByte(']')
 }
-
-// FormatIndent array data to string.
-func FormatIndent(arr any, indent string) string {
-	return NewFormatter(arr).WithIndent(indent).Format()
-}
diff --git a/arrutil/strings.go b/arrutil/strings.go
index 920f54351..ef3fa6cfd 100644
--- a/arrutil/strings.go
+++ b/arrutil/strings.go
@@ -2,8 +2,8 @@ package arrutil
 
 import "strconv"
 
-// StringsToSlice convert []string to []any
-func StringsToSlice(ss []string) []any {
+// StringsToAnys convert []string to []any
+func StringsToAnys(ss []string) []any {
 	args := make([]any, len(ss))
 	for i, s := range ss {
 		args[i] = s
@@ -11,6 +11,11 @@ func StringsToSlice(ss []string) []any {
 	return args
 }
 
+// StringsToSlice convert []string to []any. alias of StringsToAnys()
+func StringsToSlice(ss []string) []any {
+	return StringsToAnys(ss)
+}
+
 // StringsAsInts convert and ignore error
 func StringsAsInts(ss []string) []int {
 	ints, _ := StringsTryInts(ss)
diff --git a/testutil/httpmock.go b/testutil/httpmock.go
index 70a716193..2c53f88f9 100644
--- a/testutil/httpmock.go
+++ b/testutil/httpmock.go
@@ -113,7 +113,7 @@ func MockRequest(h http.Handler, method, path string, data *MD) *httptest.Respon
 // EchoReply http response data reply model
 type EchoReply struct {
 	Origin string `json:"origin"`
-	Url    string `json:"url"`
+	URL    string `json:"url"`
 	Method string `json:"method"`
 	// Query data
 	Query   map[string]any `json:"query,omitempty"`
@@ -121,7 +121,7 @@ type EchoReply struct {
 	Form    map[string]any `json:"form,omitempty"`
 	// Body data string
 	Body  string         `json:"body,omitempty"`
-	Json  any            `json:"json,omitempty"`
+	JSON  any            `json:"json,omitempty"`
 	Files map[string]any `json:"files,omitempty"`
 }
 
@@ -213,11 +213,11 @@ func BuildEchoReply(r *http.Request) *EchoReply {
 	}
 
 	return &EchoReply{
-		Url:     r.URL.String(),
+		URL:     r.URL.String(),
 		Origin:  r.RemoteAddr,
 		Method:  method,
 		Body:    bodyStr,
-		Json:    jsonBody,
+		JSON:    jsonBody,
 		Query:   args,
 		Form:    form,
 		Files:   files,
@@ -251,7 +251,7 @@ func ParseRespToReply(w *http.Response) *EchoReply {
 	if w.Request != nil && w.Request.Method == "HEAD" {
 		req := w.Request
 		rpl := &EchoReply{
-			Url:     req.URL.String(),
+			URL:     req.URL.String(),
 			Method:  req.Method,
 			Headers: stringsMapToAnyMap(req.Header),
 		}