diff --git a/internal/pkg/middleware/auth/basic.go b/internal/pkg/middleware/auth/basic.go
index 75e3425a..6c44e299 100644
--- a/internal/pkg/middleware/auth/basic.go
+++ b/internal/pkg/middleware/auth/basic.go
@@ -5,9 +5,6 @@
 package auth
 
 import (
-	"encoding/base64"
-	"strings"
-
 	"github.com/gin-gonic/gin"
 	"github.com/marmotedu/component-base/pkg/core"
 	"github.com/marmotedu/errors"
@@ -33,9 +30,8 @@ func NewBasicStrategy(compare func(username string, password string) bool) Basic
 // AuthFunc defines basic strategy as the gin authentication middleware.
 func (b BasicStrategy) AuthFunc() gin.HandlerFunc {
 	return func(c *gin.Context) {
-		auth := strings.SplitN(c.Request.Header.Get("Authorization"), " ", 2)
-
-		if len(auth) != 2 || auth[0] != "Basic" {
+		username, password, ok := c.Request.BasicAuth()
+		if !ok {
 			core.WriteResponse(
 				c,
 				errors.WithCode(code.ErrSignatureInvalid, "Authorization header format is wrong."),
@@ -46,10 +42,7 @@ func (b BasicStrategy) AuthFunc() gin.HandlerFunc {
 			return
 		}
 
-		payload, _ := base64.StdEncoding.DecodeString(auth[1])
-		pair := strings.SplitN(string(payload), ":", 2)
-
-		if len(pair) != 2 || !b.compare(pair[0], pair[1]) {
+		if !b.compare(username, password) {
 			core.WriteResponse(
 				c,
 				errors.WithCode(code.ErrSignatureInvalid, "Authorization header format is wrong."),
@@ -60,7 +53,7 @@ func (b BasicStrategy) AuthFunc() gin.HandlerFunc {
 			return
 		}
 
-		c.Set(middleware.UsernameKey, pair[0])
+		c.Set(middleware.UsernameKey, username)
 
 		c.Next()
 	}