diff --git a/dotweb.go b/dotweb.go
index 6aff7c0..a5e7d13 100644
--- a/dotweb.go
+++ b/dotweb.go
@@ -19,6 +19,7 @@ import (
 	"github.com/devfeel/dotweb/logger"
 	"github.com/devfeel/dotweb/servers"
 	"github.com/devfeel/dotweb/session"
+	"reflect"
 	"sync"
 )
 
@@ -35,6 +36,7 @@ type (
 		AppContext              *core.ItemContext
 		middlewareMap           map[string]MiddlewareFunc
 		middlewareMutex         *sync.RWMutex
+		StartMode               string
 	}
 
 	// ExceptionHandle 支持自定义异常处理代码能力
@@ -52,6 +54,9 @@ const (
 	DefaultHTTPPort     = 8080 //DefaultHTTPPort default http port; fixed for #70 UPDATE default http port 80 to 8080
 	RunMode_Development = "development"
 	RunMode_Production  = "production"
+
+	StartMode_New     = "New"
+	StartMode_Classic = "Classic"
 )
 
 //New create and return DotApp instance
@@ -64,8 +69,12 @@ func New() *DotWeb {
 		Config:          config.NewConfig(),
 		middlewareMap:   make(map[string]MiddlewareFunc),
 		middlewareMutex: new(sync.RWMutex),
+		StartMode:       StartMode_New,
 	}
 	app.HttpServer.setDotApp(app)
+	//add default httphandler with middlewares
+	//fixed for issue #100
+	app.Use(&xMiddleware{})
 
 	//init logger
 	logger.InitLog()
@@ -78,6 +87,7 @@ func New() *DotWeb {
 // 3.print logo
 func Classic() *DotWeb {
 	app := New()
+	app.StartMode = StartMode_Classic
 
 	app.SetEnabledLog(true)
 	app.UseRequestLog()
@@ -264,7 +274,9 @@ func (app *DotWeb) ListenAndServe(addr string) error {
 
 	app.initBindMiddleware()
 
-	app.initInnerRouter()
+	if app.StartMode == StartMode_Classic {
+		app.UseDotwebRouter()
+	}
 
 	if app.HttpServer.ServerConfig().EnabledTLS {
 		err := app.HttpServer.ListenAndServeTLS(addr, app.HttpServer.ServerConfig().TLSCertFile, app.HttpServer.ServerConfig().TLSKeyFile)
@@ -389,23 +401,22 @@ func (app *DotWeb) initRegisterConfigGroup() {
 
 // init bind app's middleware to router node
 func (app *DotWeb) initBindMiddleware() {
-	//add default httphandler with middlewares
-	app.Use(&xMiddleware{})
-
 	router := app.HttpServer.Router().(*router)
 	for path, node := range router.allNodeMap {
-		logger.Logger().Debug("DotWeb initBindMiddleware "+path+" "+fmt.Sprint(node), LogTarget_HttpServer)
 		node.appMiddlewares = app.Middlewares
 		for _, m := range node.appMiddlewares {
 			if m.HasExclude() && m.ExistsExcludeRouter(node.fullPath) {
+				logger.Logger().Debug("DotWeb initBindMiddleware "+path+" "+reflect.TypeOf(m).String()+" exclude", LogTarget_HttpServer)
 				node.hasExcludeMiddleware = true
+			} else {
+				logger.Logger().Debug("DotWeb initBindMiddleware "+path+" "+reflect.TypeOf(m).String()+" match", LogTarget_HttpServer)
 			}
 		}
 	}
 }
 
 // init inner routers
-func (app *DotWeb) initInnerRouter() {
+func (app *DotWeb) UseDotwebRouter() {
 	//默认支持pprof信息查看
 	gInner := app.HttpServer.Group("/dotweb")
 	gInner.GET("/debug/pprof/:key", initPProf)
diff --git a/example/middleware/main.go b/example/middleware/main.go
index 72b3d55..eee3e2a 100644
--- a/example/middleware/main.go
+++ b/example/middleware/main.go
@@ -19,19 +19,17 @@ func main() {
 	//开启development模式
 	app.SetDevelopmentMode()
 
-	//设置gzip开关
-	//app.SetEnabledGzip(true)
+	exAccessFmtLog := NewAccessFmtLog("appex")
+	exAccessFmtLog.Exclude("/index")
+	exAccessFmtLog.Exclude("/v1/machines/queryIP/:IP")
+	app.Use(exAccessFmtLog)
 
-	//设置路由
-	InitRoute(app.HttpServer)
-
-	//InitModule(app)
-
-	//app.UseRequestLog()
+	app.ExcludeUse(NewAccessFmtLog("appex1"), "/")
 	app.Use(
 		NewAccessFmtLog("app"),
 	)
-	app.ExcludeUse(NewAccessFmtLog("appex"), "/", "/")
+	//设置路由
+	InitRoute(app.HttpServer)
 
 	//启动 监控服务
 	app.SetPProfConfig(true, 8081)
@@ -50,13 +48,16 @@ func main() {
 func Index(ctx dotweb.Context) error {
 	ctx.Response().Header().Set("Content-Type", "text/html; charset=utf-8")
 	//fmt.Println(time.Now(), "Index Handler")
-	err := ctx.WriteString("index  => ", fmt.Sprint(ctx.RouterNode().Middlewares()))
+	err := ctx.WriteString("index  => ", ctx.Request().Url())
 	fmt.Println(ctx.RouterNode().GroupMiddlewares())
 	return err
 }
 
 func InitRoute(server *dotweb.HttpServer) {
 	server.Router().GET("/", Index)
+	server.Router().GET("/index", Index)
+	server.Router().GET("/v1/machines/queryIP/:IP", Index)
+	server.Router().GET("/v1/machines/queryIP2", Index)
 	server.Router().GET("/use", Index).Use(NewAccessFmtLog("Router-use"))
 
 	g := server.Group("/group").Use(NewAccessFmtLog("group")).Use(NewSimpleAuth("admin"))
diff --git a/framework/file/file.go b/framework/file/file.go
index 80b21ca..3d704eb 100644
--- a/framework/file/file.go
+++ b/framework/file/file.go
@@ -16,20 +16,6 @@ func GetCurrentDirectory() string {
 	return strings.Replace(dir, "\\", "/", -1)
 }
 
-//get filename extensions
-func GetFileExt(fileName string) string {
-	if fileName == "" {
-		return ""
-	} else {
-		index := strings.LastIndex(fileName, ".")
-		if index < 0 {
-			return ""
-		} else {
-			return string(fileName[index:])
-		}
-	}
-}
-
 //check filename is exist
 func Exist(filename string) bool {
 	_, err := os.Stat(filename)
diff --git a/framework/file/file_test.go b/framework/file/file_test.go
index 110e59a..194c9aa 100644
--- a/framework/file/file_test.go
+++ b/framework/file/file_test.go
@@ -1,6 +1,7 @@
 package file
 
 import (
+	"path/filepath"
 	"testing"
 )
 
@@ -13,7 +14,7 @@ func Test_GetCurrentDirectory_1(t *testing.T) {
 
 func Test_GetFileExt_1(t *testing.T) {
 	fn := "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/download/vagrant_1.9.2.dmg"
-	fileExt := GetFileExt(fn)
+	fileExt := filepath.Ext(fn)
 	if len(fileExt) < 1 {
 		t.Error("fileExt null!")
 	} else {
@@ -23,7 +24,7 @@ func Test_GetFileExt_1(t *testing.T) {
 
 func Test_GetFileExt_2(t *testing.T) {
 	fn := "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/download/vagrant_1"
-	fileExt := GetFileExt(fn)
+	fileExt := filepath.Ext(fn)
 	if len(fileExt) < 1 {
 		t.Error("fileExt null!")
 	} else {
diff --git a/uploadfile.go b/uploadfile.go
index 2ca38f8..29c4e0a 100644
--- a/uploadfile.go
+++ b/uploadfile.go
@@ -2,10 +2,10 @@ package dotweb
 
 import (
 	"errors"
-	files "github.com/devfeel/dotweb/framework/file"
 	"io"
 	"mime/multipart"
 	"os"
+	"path/filepath"
 )
 
 type UploadFile struct {
@@ -21,7 +21,7 @@ func NewUploadFile(file multipart.File, header *multipart.FileHeader) *UploadFil
 		File:     file,
 		Header:   header,
 		fileName: header.Filename,
-		fileExt:  files.GetFileExt(header.Filename),
+		fileExt:  filepath.Ext(header.Filename), //update for issue #99
 	}
 }
 
diff --git a/version.MD b/version.MD
index 06e16b5..4baa3eb 100644
--- a/version.MD
+++ b/version.MD
@@ -1,5 +1,13 @@
 ## dotweb版本记录：
 
+#### Version 1.4.3
+* 调整dotweb内部路由注册逻辑，New模式默认不开启，Classic模式默认开启，可通过app.UseDotwebRouter手动开启
+* 修复 issue #100, 解决特定场景下Exclude不生效问题
+* Use filepath.Ext to replace file.GetFileExt, update for issue #99
+* 移除 framework/file.GetFileExt 函数
+* 同步更新example代码
+* 2018-01-07 22:00
+
 #### Version 1.4.2
 * Context新增QueryInt\QueryInt64接口，用于简化获取Int类型的Get参数，如果参数未传入或不是合法整形，返回0
 * Context接口调整：除Write外，其他WriteXXX接口，返回值从(int, error)调整为error