diff --git a/app.go b/app.go
index 77b0f72..823af3c 100644
--- a/app.go
+++ b/app.go
@@ -139,6 +139,10 @@ func (a *App) addRoute(method, path string, handlers ...HandlerFunc) {
 }
 
 func (a *App) handleHTTPRequest(c *Ctx) {
+	var (
+		err error
+	)
+
 	httpMethod := c.Request.Method
 	rPath := c.Request.URL.Path
 	unescape := false
@@ -166,8 +170,11 @@ func (a *App) handleHTTPRequest(c *Ctx) {
 		if value.handlers != nil {
 			c.handlers = value.handlers
 			c.fullPath = value.fullPath
-			// todo
-			c.Next()
+
+			if err = c.Next(); err != nil {
+				serveError(c, errorHandler)
+			}
+
 			c.writermem.WriteHeaderNow()
 			return
 		}
@@ -210,8 +217,8 @@ func (a *App) handleHTTPRequest(c *Ctx) {
 	serveError(c, a.config.NotFoundHandler)
 }
 
-func errorHandler(c *Ctx) {
-	_ = c.Status(500).SendString(_500)
+func errorHandler(c *Ctx) error {
+	return c.Status(500).SendString(_500)
 }
 
 func serveError(c *Ctx, handler HandlerFunc) {
diff --git a/ctx.go b/ctx.go
index 67d539b..3af1133 100644
--- a/ctx.go
+++ b/ctx.go
@@ -110,18 +110,21 @@ func (c *Ctx) Cookies(key string, defaultValue ...string) string {
 func (c *Ctx) Next() error {
 	c.index++
 
-	var err error
+	var (
+		err     error
+		handler = c.handlers[c.index]
+	)
 
-	for c.index < len(c.handlers) {
-		if c.handlers[c.index] != nil {
-			if err = c.handlers[c.index](c); err != nil {
-				return err
-			}
+	//for c.index < len(c.handlers) {
+	if handler != nil {
+		if err = handler(c); err != nil {
+			return err
 		}
-
-		c.index++
 	}
 
+	c.index++
+	//}
+
 	return nil
 }
 
diff --git a/xtest/midd2/main.go b/xtest/midd2/main.go
new file mode 100644
index 0000000..b744d0c
--- /dev/null
+++ b/xtest/midd2/main.go
@@ -0,0 +1,34 @@
+package main
+
+import (
+	"errors"
+	"github.com/loveuer/nf"
+	"github.com/loveuer/nf/nft/resp"
+	"log"
+)
+
+func main() {
+	app := nf.New()
+
+	api := app.Group("/api")
+
+	api.Get("/hello",
+		auth(),
+		func(c *nf.Ctx) error {
+			return resp.Resp403(c, errors.New("in hello"))
+		},
+	)
+
+	log.Fatal(app.Run(":80"))
+}
+
+func auth() nf.HandlerFunc {
+	return func(c *nf.Ctx) error {
+		token := c.Query("token")
+		if token != "zyp" {
+			return resp.Resp401(c, errors.New("no auth"))
+		}
+
+		return c.Next()
+	}
+}