diff --git a/admin.go b/admin.go
index db52647e..d9c96dfd 100644
--- a/admin.go
+++ b/admin.go
@@ -52,6 +52,7 @@ var beeAdminApp *adminApp
 //	 	return true
 // 	}
 // 	beego.FilterMonitorFunc = MyFilterMonitor.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 var FilterMonitorFunc func(string, string, time.Duration, string, int) bool
 
 func init() {
@@ -201,6 +202,7 @@ func list(root string, p interface{}, m M) {
 }
 
 // PrintTree prints all registered routers.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func PrintTree() M {
 	var (
 		content     = M{}
@@ -432,6 +434,7 @@ func (admin *adminApp) Route(pattern string, f http.HandlerFunc) {
 
 // Run adminApp http server.
 // Its addr is defined in configuration file as adminhttpaddr and adminhttpport.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (admin *adminApp) Run() {
 	if len(toolbox.AdminTaskList) > 0 {
 		toolbox.StartTask()
diff --git a/app.go b/app.go
index 3dee8999..d86188c0 100644
--- a/app.go
+++ b/app.go
@@ -35,6 +35,7 @@ import (
 
 var (
 	// BeeApp is an application instance
+	// Deprecated: using pkg/, we will delete this in v2.1.0
 	BeeApp *App
 )
 
@@ -50,6 +51,7 @@ type App struct {
 }
 
 // NewApp returns a new beego application.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func NewApp() *App {
 	cr := NewControllerRegister()
 	app := &App{Handlers: cr, Server: &http.Server{}}
@@ -57,9 +59,11 @@ func NewApp() *App {
 }
 
 // MiddleWare function for http.Handler
+// Deprecated: using pkg/, we will delete this in v2.1.0
 type MiddleWare func(http.Handler) http.Handler
 
 // Run beego application.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (app *App) Run(mws ...MiddleWare) {
 	addr := BConfig.Listen.HTTPAddr
 
@@ -254,6 +258,7 @@ func (app *App) Run(mws ...MiddleWare) {
 //  beego.Router("/api/create",&RestController{},"post:CreateFood")
 //  beego.Router("/api/update",&RestController{},"put:UpdateFood")
 //  beego.Router("/api/delete",&RestController{},"delete:DeleteFood")
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func Router(rootpath string, c ControllerInterface, mappingMethods ...string) *App {
 	BeeApp.Handlers.Add(rootpath, c, mappingMethods...)
 	return BeeApp
@@ -268,6 +273,7 @@ func Router(rootpath string, c ControllerInterface, mappingMethods ...string) *A
 // Usage (replace "GET" with "*" for all methods):
 //  beego.UnregisterFixedRoute("/yourpreviouspath", "GET")
 //  beego.Router("/yourpreviouspath", yourControllerAddress, "get:GetNewPage")
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func UnregisterFixedRoute(fixedRoute string, method string) *App {
 	subPaths := splitPath(fixedRoute)
 	if method == "" || method == "*" {
@@ -364,6 +370,7 @@ func findAndRemoveSingleTree(entryPointTree *Tree) {
 // the comments @router url methodlist
 // url support all the function Router's pattern
 // methodlist [get post head put delete options *]
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func Include(cList ...ControllerInterface) *App {
 	BeeApp.Handlers.Include(cList...)
 	return BeeApp
@@ -372,6 +379,7 @@ func Include(cList ...ControllerInterface) *App {
 // RESTRouter adds a restful controller handler to BeeApp.
 // its' controller implements beego.ControllerInterface and
 // defines a param "pattern/:objectId" to visit each resource.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func RESTRouter(rootpath string, c ControllerInterface) *App {
 	Router(rootpath, c)
 	Router(path.Join(rootpath, ":objectId"), c)
@@ -382,6 +390,7 @@ func RESTRouter(rootpath string, c ControllerInterface) *App {
 // it's same to App.AutoRouter.
 // if beego.AddAuto(&MainContorlller{}) and MainController has methods List and Page,
 // visit the url /main/list to exec List function or /main/page to exec Page function.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func AutoRouter(c ControllerInterface) *App {
 	BeeApp.Handlers.AddAuto(c)
 	return BeeApp
@@ -391,6 +400,7 @@ func AutoRouter(c ControllerInterface) *App {
 // it's same to App.AutoRouterWithPrefix.
 // if beego.AutoPrefix("/admin",&MainContorlller{}) and MainController has methods List and Page,
 // visit the url /admin/main/list to exec List function or /admin/main/page to exec Page function.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func AutoPrefix(prefix string, c ControllerInterface) *App {
 	BeeApp.Handlers.AddAutoPrefix(prefix, c)
 	return BeeApp
@@ -401,6 +411,7 @@ func AutoPrefix(prefix string, c ControllerInterface) *App {
 //    beego.Get("/", func(ctx *context.Context){
 //          ctx.Output.Body("hello world")
 //    })
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func Get(rootpath string, f FilterFunc) *App {
 	BeeApp.Handlers.Get(rootpath, f)
 	return BeeApp
@@ -411,6 +422,7 @@ func Get(rootpath string, f FilterFunc) *App {
 //    beego.Post("/api", func(ctx *context.Context){
 //          ctx.Output.Body("hello world")
 //    })
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func Post(rootpath string, f FilterFunc) *App {
 	BeeApp.Handlers.Post(rootpath, f)
 	return BeeApp
@@ -421,6 +433,7 @@ func Post(rootpath string, f FilterFunc) *App {
 //    beego.Delete("/api", func(ctx *context.Context){
 //          ctx.Output.Body("hello world")
 //    })
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func Delete(rootpath string, f FilterFunc) *App {
 	BeeApp.Handlers.Delete(rootpath, f)
 	return BeeApp
@@ -431,6 +444,7 @@ func Delete(rootpath string, f FilterFunc) *App {
 //    beego.Put("/api", func(ctx *context.Context){
 //          ctx.Output.Body("hello world")
 //    })
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func Put(rootpath string, f FilterFunc) *App {
 	BeeApp.Handlers.Put(rootpath, f)
 	return BeeApp
@@ -441,6 +455,7 @@ func Put(rootpath string, f FilterFunc) *App {
 //    beego.Head("/api", func(ctx *context.Context){
 //          ctx.Output.Body("hello world")
 //    })
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func Head(rootpath string, f FilterFunc) *App {
 	BeeApp.Handlers.Head(rootpath, f)
 	return BeeApp
@@ -451,6 +466,7 @@ func Head(rootpath string, f FilterFunc) *App {
 //    beego.Options("/api", func(ctx *context.Context){
 //          ctx.Output.Body("hello world")
 //    })
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func Options(rootpath string, f FilterFunc) *App {
 	BeeApp.Handlers.Options(rootpath, f)
 	return BeeApp
@@ -461,6 +477,7 @@ func Options(rootpath string, f FilterFunc) *App {
 //    beego.Patch("/api", func(ctx *context.Context){
 //          ctx.Output.Body("hello world")
 //    })
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func Patch(rootpath string, f FilterFunc) *App {
 	BeeApp.Handlers.Patch(rootpath, f)
 	return BeeApp
@@ -471,6 +488,7 @@ func Patch(rootpath string, f FilterFunc) *App {
 //    beego.Any("/api", func(ctx *context.Context){
 //          ctx.Output.Body("hello world")
 //    })
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func Any(rootpath string, f FilterFunc) *App {
 	BeeApp.Handlers.Any(rootpath, f)
 	return BeeApp
@@ -481,6 +499,7 @@ func Any(rootpath string, f FilterFunc) *App {
 //    beego.Handler("/api", http.HandlerFunc(func (w http.ResponseWriter, r *http.Request) {
 //          fmt.Fprintf(w, "Hello, %q", html.EscapeString(r.URL.Path))
 //    }))
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func Handler(rootpath string, h http.Handler, options ...interface{}) *App {
 	BeeApp.Handlers.Handler(rootpath, h, options...)
 	return BeeApp
@@ -490,6 +509,7 @@ func Handler(rootpath string, h http.Handler, options ...interface{}) *App {
 // The pos means action constant including
 // beego.BeforeStatic, beego.BeforeRouter, beego.BeforeExec, beego.AfterExec and beego.FinishRouter.
 // The bool params is for setting the returnOnOutput value (false allows multiple filters to execute)
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func InsertFilter(pattern string, pos int, filter FilterFunc, params ...bool) *App {
 	BeeApp.Handlers.InsertFilter(pattern, pos, filter, params...)
 	return BeeApp
diff --git a/beego.go b/beego.go
index 8ebe0bab..ef93134d 100644
--- a/beego.go
+++ b/beego.go
@@ -23,15 +23,19 @@ import (
 
 const (
 	// VERSION represent beego web framework version.
+	// Deprecated: using pkg/, we will delete this in v2.1.0
 	VERSION = "1.12.2"
 
 	// DEV is for develop
+	// Deprecated: using pkg/, we will delete this in v2.1.0
 	DEV = "dev"
 	// PROD is for production
+	// Deprecated: using pkg/, we will delete this in v2.1.0
 	PROD = "prod"
 )
 
 // M is Map shortcut
+// Deprecated: using pkg/, we will delete this in v2.1.0
 type M map[string]interface{}
 
 // Hook function to run
@@ -44,6 +48,7 @@ var (
 // AddAPPStartHook is used to register the hookfunc
 // The hookfuncs will run in beego.Run()
 // such as initiating session , starting middleware , building template, starting admin control and so on.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func AddAPPStartHook(hf ...hookfunc) {
 	hooks = append(hooks, hf...)
 }
@@ -53,6 +58,7 @@ func AddAPPStartHook(hf ...hookfunc) {
 // beego.Run("localhost")
 // beego.Run(":8089")
 // beego.Run("127.0.0.1:8089")
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func Run(params ...string) {
 
 	initBeforeHTTPRun()
@@ -73,6 +79,7 @@ func Run(params ...string) {
 }
 
 // RunWithMiddleWares Run beego application with middlewares.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func RunWithMiddleWares(addr string, mws ...MiddleWare) {
 	initBeforeHTTPRun()
 
@@ -107,6 +114,7 @@ func initBeforeHTTPRun() {
 }
 
 // TestBeegoInit is for test package init
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func TestBeegoInit(ap string) {
 	path := filepath.Join(ap, "conf", "app.conf")
 	os.Chdir(ap)
@@ -114,6 +122,7 @@ func TestBeegoInit(ap string) {
 }
 
 // InitBeegoBeforeTest is for test package init
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func InitBeegoBeforeTest(appConfigPath string) {
 	if err := LoadAppConfig(appConfigProvider, appConfigPath); err != nil {
 		panic(err)
diff --git a/build_info.go b/build_info.go
index c31152ea..896bbdf3 100644
--- a/build_info.go
+++ b/build_info.go
@@ -15,13 +15,20 @@
 package beego
 
 var (
+	// Deprecated: using pkg/, we will delete this in v2.1.0
 	BuildVersion     string
+	// Deprecated: using pkg/, we will delete this in v2.1.0
 	BuildGitRevision string
+	// Deprecated: using pkg/, we will delete this in v2.1.0
 	BuildStatus      string
+	// Deprecated: using pkg/, we will delete this in v2.1.0
 	BuildTag         string
+	// Deprecated: using pkg/, we will delete this in v2.1.0
 	BuildTime        string
 
+	// Deprecated: using pkg/, we will delete this in v2.1.0
 	GoVersion string
 
+	// Deprecated: using pkg/, we will delete this in v2.1.0
 	GitBranch string
 )
diff --git a/config.go b/config.go
index 0c995293..d707542a 100644
--- a/config.go
+++ b/config.go
@@ -31,6 +31,7 @@ import (
 )
 
 // Config is the main struct for BConfig
+// Deprecated: using pkg/, we will delete this in v2.1.0
 type Config struct {
 	AppName             string //Application name
 	RunMode             string //Running Mode: dev | prod
@@ -49,6 +50,7 @@ type Config struct {
 }
 
 // Listen holds for http and https related config
+// Deprecated: using pkg/, we will delete this in v2.1.0
 type Listen struct {
 	Graceful          bool // Graceful means use graceful module to start the server
 	ServerTimeOut     int64
@@ -75,6 +77,7 @@ type Listen struct {
 }
 
 // WebConfig holds web related config
+// Deprecated: using pkg/, we will delete this in v2.1.0
 type WebConfig struct {
 	AutoRender             bool
 	EnableDocs             bool
@@ -95,6 +98,7 @@ type WebConfig struct {
 }
 
 // SessionConfig holds session related config
+// Deprecated: using pkg/, we will delete this in v2.1.0
 type SessionConfig struct {
 	SessionOn                    bool
 	SessionProvider              string
@@ -111,6 +115,7 @@ type SessionConfig struct {
 }
 
 // LogConfig holds Log related config
+// Deprecated: using pkg/, we will delete this in v2.1.0
 type LogConfig struct {
 	AccessLogs       bool
 	EnableStaticLogs bool   //log static files requests default: false
@@ -121,12 +126,16 @@ type LogConfig struct {
 
 var (
 	// BConfig is the default config for Application
+	// Deprecated: using pkg/, we will delete this in v2.1.0
 	BConfig *Config
 	// AppConfig is the instance of Config, store the config information from file
+	// Deprecated: using pkg/, we will delete this in v2.1.0
 	AppConfig *beegoAppConfig
 	// AppPath is the absolute path to the app
+	// Deprecated: using pkg/, we will delete this in v2.1.0
 	AppPath string
 	// GlobalSessions is the instance for the session manager
+	// Deprecated: using pkg/, we will delete this in v2.1.0
 	GlobalSessions *session.Manager
 
 	// appConfigPath is the path to the config files
@@ -134,6 +143,7 @@ var (
 	// appConfigProvider is the provider for the config, default is ini
 	appConfigProvider = "ini"
 	// WorkPath is the absolute path to project root directory
+	// Deprecated: using pkg/, we will delete this in v2.1.0
 	WorkPath string
 )
 
@@ -398,6 +408,7 @@ func assignSingleConfig(p interface{}, ac config.Configer) {
 }
 
 // LoadAppConfig allow developer to apply a config file
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func LoadAppConfig(adapterName, configPath string) error {
 	absConfigPath, err := filepath.Abs(configPath)
 	if err != nil {
@@ -426,6 +437,7 @@ func newAppConfig(appConfigProvider, appConfigPath string) (*beegoAppConfig, err
 	return &beegoAppConfig{ac}, nil
 }
 
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (b *beegoAppConfig) Set(key, val string) error {
 	if err := b.innerConfig.Set(BConfig.RunMode+"::"+key, val); err != nil {
 		return b.innerConfig.Set(key, val)
@@ -433,6 +445,7 @@ func (b *beegoAppConfig) Set(key, val string) error {
 	return nil
 }
 
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (b *beegoAppConfig) String(key string) string {
 	if v := b.innerConfig.String(BConfig.RunMode + "::" + key); v != "" {
 		return v
@@ -440,6 +453,7 @@ func (b *beegoAppConfig) String(key string) string {
 	return b.innerConfig.String(key)
 }
 
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (b *beegoAppConfig) Strings(key string) []string {
 	if v := b.innerConfig.Strings(BConfig.RunMode + "::" + key); len(v) > 0 {
 		return v
@@ -447,6 +461,7 @@ func (b *beegoAppConfig) Strings(key string) []string {
 	return b.innerConfig.Strings(key)
 }
 
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (b *beegoAppConfig) Int(key string) (int, error) {
 	if v, err := b.innerConfig.Int(BConfig.RunMode + "::" + key); err == nil {
 		return v, nil
@@ -454,6 +469,7 @@ func (b *beegoAppConfig) Int(key string) (int, error) {
 	return b.innerConfig.Int(key)
 }
 
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (b *beegoAppConfig) Int64(key string) (int64, error) {
 	if v, err := b.innerConfig.Int64(BConfig.RunMode + "::" + key); err == nil {
 		return v, nil
@@ -461,6 +477,7 @@ func (b *beegoAppConfig) Int64(key string) (int64, error) {
 	return b.innerConfig.Int64(key)
 }
 
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (b *beegoAppConfig) Bool(key string) (bool, error) {
 	if v, err := b.innerConfig.Bool(BConfig.RunMode + "::" + key); err == nil {
 		return v, nil
@@ -468,6 +485,7 @@ func (b *beegoAppConfig) Bool(key string) (bool, error) {
 	return b.innerConfig.Bool(key)
 }
 
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (b *beegoAppConfig) Float(key string) (float64, error) {
 	if v, err := b.innerConfig.Float(BConfig.RunMode + "::" + key); err == nil {
 		return v, nil
@@ -475,6 +493,7 @@ func (b *beegoAppConfig) Float(key string) (float64, error) {
 	return b.innerConfig.Float(key)
 }
 
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (b *beegoAppConfig) DefaultString(key string, defaultVal string) string {
 	if v := b.String(key); v != "" {
 		return v
@@ -482,6 +501,7 @@ func (b *beegoAppConfig) DefaultString(key string, defaultVal string) string {
 	return defaultVal
 }
 
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (b *beegoAppConfig) DefaultStrings(key string, defaultVal []string) []string {
 	if v := b.Strings(key); len(v) != 0 {
 		return v
@@ -489,6 +509,7 @@ func (b *beegoAppConfig) DefaultStrings(key string, defaultVal []string) []strin
 	return defaultVal
 }
 
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (b *beegoAppConfig) DefaultInt(key string, defaultVal int) int {
 	if v, err := b.Int(key); err == nil {
 		return v
@@ -496,6 +517,7 @@ func (b *beegoAppConfig) DefaultInt(key string, defaultVal int) int {
 	return defaultVal
 }
 
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (b *beegoAppConfig) DefaultInt64(key string, defaultVal int64) int64 {
 	if v, err := b.Int64(key); err == nil {
 		return v
@@ -503,6 +525,7 @@ func (b *beegoAppConfig) DefaultInt64(key string, defaultVal int64) int64 {
 	return defaultVal
 }
 
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (b *beegoAppConfig) DefaultBool(key string, defaultVal bool) bool {
 	if v, err := b.Bool(key); err == nil {
 		return v
@@ -510,6 +533,7 @@ func (b *beegoAppConfig) DefaultBool(key string, defaultVal bool) bool {
 	return defaultVal
 }
 
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (b *beegoAppConfig) DefaultFloat(key string, defaultVal float64) float64 {
 	if v, err := b.Float(key); err == nil {
 		return v
@@ -517,14 +541,17 @@ func (b *beegoAppConfig) DefaultFloat(key string, defaultVal float64) float64 {
 	return defaultVal
 }
 
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (b *beegoAppConfig) DIY(key string) (interface{}, error) {
 	return b.innerConfig.DIY(key)
 }
 
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (b *beegoAppConfig) GetSection(section string) (map[string]string, error) {
 	return b.innerConfig.GetSection(section)
 }
 
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (b *beegoAppConfig) SaveConfigFile(filename string) error {
 	return b.innerConfig.SaveConfigFile(filename)
 }
diff --git a/controller.go b/controller.go
index 0e8853b3..0b4a79a8 100644
--- a/controller.go
+++ b/controller.go
@@ -35,12 +35,15 @@ import (
 
 var (
 	// ErrAbort custom error when user stop request handler manually.
+	// Deprecated: using pkg/, we will delete this in v2.1.0
 	ErrAbort = errors.New("user stop run")
 	// GlobalControllerRouter store comments with controller. pkgpath+controller:comments
+	// Deprecated: using pkg/, we will delete this in v2.1.0
 	GlobalControllerRouter = make(map[string][]ControllerComments)
 )
 
 // ControllerFilter store the filter for controller
+// Deprecated: using pkg/, we will delete this in v2.1.0
 type ControllerFilter struct {
 	Pattern        string
 	Pos            int
@@ -50,6 +53,7 @@ type ControllerFilter struct {
 }
 
 // ControllerFilterComments store the comment for controller level filter
+// Deprecated: using pkg/, we will delete this in v2.1.0
 type ControllerFilterComments struct {
 	Pattern        string
 	Pos            int
@@ -59,12 +63,14 @@ type ControllerFilterComments struct {
 }
 
 // ControllerImportComments store the import comment for controller needed
+// Deprecated: using pkg/, we will delete this in v2.1.0
 type ControllerImportComments struct {
 	ImportPath  string
 	ImportAlias string
 }
 
 // ControllerComments store the comment for the controller method
+// Deprecated: using pkg/, we will delete this in v2.1.0
 type ControllerComments struct {
 	Method           string
 	Router           string
@@ -77,6 +83,7 @@ type ControllerComments struct {
 }
 
 // ControllerCommentsSlice implements the sort interface
+// Deprecated: using pkg/, we will delete this in v2.1.0
 type ControllerCommentsSlice []ControllerComments
 
 func (p ControllerCommentsSlice) Len() int           { return len(p) }
@@ -85,6 +92,7 @@ func (p ControllerCommentsSlice) Swap(i, j int)      { p[i], p[j] = p[j], p[i] }
 
 // Controller defines some basic http request handler operations, such as
 // http context, template and view, session and xsrf.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 type Controller struct {
 	// context data
 	Ctx  *context.Context
@@ -115,6 +123,7 @@ type Controller struct {
 }
 
 // ControllerInterface is an interface to uniform all controller handler.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 type ControllerInterface interface {
 	Init(ct *context.Context, controllerName, actionName string, app interface{})
 	Prepare()
@@ -135,6 +144,7 @@ type ControllerInterface interface {
 }
 
 // Init generates default values of controller operations.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (c *Controller) Init(ctx *context.Context, controllerName, actionName string, app interface{}) {
 	c.Layout = ""
 	c.TplName = ""
@@ -150,42 +160,51 @@ func (c *Controller) Init(ctx *context.Context, controllerName, actionName strin
 }
 
 // Prepare runs after Init before request function execution.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (c *Controller) Prepare() {}
 
 // Finish runs after request function execution.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (c *Controller) Finish() {}
 
 // Get adds a request function to handle GET request.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (c *Controller) Get() {
 	http.Error(c.Ctx.ResponseWriter, "Method Not Allowed", http.StatusMethodNotAllowed)
 }
 
 // Post adds a request function to handle POST request.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (c *Controller) Post() {
 	http.Error(c.Ctx.ResponseWriter, "Method Not Allowed", http.StatusMethodNotAllowed)
 }
 
 // Delete adds a request function to handle DELETE request.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (c *Controller) Delete() {
 	http.Error(c.Ctx.ResponseWriter, "Method Not Allowed", http.StatusMethodNotAllowed)
 }
 
 // Put adds a request function to handle PUT request.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (c *Controller) Put() {
 	http.Error(c.Ctx.ResponseWriter, "Method Not Allowed", http.StatusMethodNotAllowed)
 }
 
 // Head adds a request function to handle HEAD request.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (c *Controller) Head() {
 	http.Error(c.Ctx.ResponseWriter, "Method Not Allowed", http.StatusMethodNotAllowed)
 }
 
 // Patch adds a request function to handle PATCH request.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (c *Controller) Patch() {
 	http.Error(c.Ctx.ResponseWriter, "Method Not Allowed", http.StatusMethodNotAllowed)
 }
 
 // Options adds a request function to handle OPTIONS request.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (c *Controller) Options() {
 	http.Error(c.Ctx.ResponseWriter, "Method Not Allowed", http.StatusMethodNotAllowed)
 }
@@ -198,6 +217,7 @@ func (c *Controller) Options() {
 // reflect the message received, excluding some fields described below,
 // back to the client as the message body of a 200 (OK) response with a
 // Content-Type of "message/http" (Section 8.3.1 of [RFC7230]).
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (c *Controller) Trace() {
 	ts := func(h http.Header) (hs string) {
 		for k, v := range h {
@@ -213,6 +233,7 @@ func (c *Controller) Trace() {
 }
 
 // HandlerFunc call function with the name
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (c *Controller) HandlerFunc(fnname string) bool {
 	if v, ok := c.methodMapping[fnname]; ok {
 		v()
@@ -222,14 +243,17 @@ func (c *Controller) HandlerFunc(fnname string) bool {
 }
 
 // URLMapping register the internal Controller router.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (c *Controller) URLMapping() {}
 
 // Mapping the method to function
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (c *Controller) Mapping(method string, fn func()) {
 	c.methodMapping[method] = fn
 }
 
 // Render sends the response with rendered template bytes as text/html type.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (c *Controller) Render() error {
 	if !c.EnableRender {
 		return nil
@@ -247,12 +271,14 @@ func (c *Controller) Render() error {
 }
 
 // RenderString returns the rendered template string. Do not send out response.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (c *Controller) RenderString() (string, error) {
 	b, e := c.RenderBytes()
 	return string(b), e
 }
 
 // RenderBytes returns the bytes of rendered template string. Do not send out response.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (c *Controller) RenderBytes() ([]byte, error) {
 	buf, err := c.renderTemplate()
 	//if the controller has set layout, then first get the tplName's content set the content to the layout
@@ -314,12 +340,14 @@ func (c *Controller) viewPath() string {
 }
 
 // Redirect sends the redirection response to url with status code.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (c *Controller) Redirect(url string, code int) {
 	LogAccess(c.Ctx, nil, code)
 	c.Ctx.Redirect(code, url)
 }
 
 // SetData set the data depending on the accepted
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (c *Controller) SetData(data interface{}) {
 	accept := c.Ctx.Input.Header("Accept")
 	switch accept {
@@ -333,6 +361,7 @@ func (c *Controller) SetData(data interface{}) {
 }
 
 // Abort stops controller handler and show the error data if code is defined in ErrorMap or code string.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (c *Controller) Abort(code string) {
 	status, err := strconv.Atoi(code)
 	if err != nil {
@@ -342,6 +371,7 @@ func (c *Controller) Abort(code string) {
 }
 
 // CustomAbort stops controller handler and show the error data, it's similar Aborts, but support status code and body.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (c *Controller) CustomAbort(status int, body string) {
 	// first panic from ErrorMaps, it is user defined error functions.
 	if _, ok := ErrorMaps[body]; ok {
@@ -355,12 +385,14 @@ func (c *Controller) CustomAbort(status int, body string) {
 }
 
 // StopRun makes panic of USERSTOPRUN error and go to recover function if defined.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (c *Controller) StopRun() {
 	panic(ErrAbort)
 }
 
 // URLFor does another controller handler in this request function.
 // it goes to this controller method if endpoint is not clear.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (c *Controller) URLFor(endpoint string, values ...interface{}) string {
 	if len(endpoint) == 0 {
 		return ""
@@ -372,6 +404,7 @@ func (c *Controller) URLFor(endpoint string, values ...interface{}) string {
 }
 
 // ServeJSON sends a json response with encoding charset.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (c *Controller) ServeJSON(encoding ...bool) {
 	var (
 		hasIndent   = BConfig.RunMode != PROD
@@ -382,23 +415,27 @@ func (c *Controller) ServeJSON(encoding ...bool) {
 }
 
 // ServeJSONP sends a jsonp response.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (c *Controller) ServeJSONP() {
 	hasIndent := BConfig.RunMode != PROD
 	c.Ctx.Output.JSONP(c.Data["jsonp"], hasIndent)
 }
 
 // ServeXML sends xml response.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (c *Controller) ServeXML() {
 	hasIndent := BConfig.RunMode != PROD
 	c.Ctx.Output.XML(c.Data["xml"], hasIndent)
 }
 
 // ServeYAML sends yaml response.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (c *Controller) ServeYAML() {
 	c.Ctx.Output.YAML(c.Data["yaml"])
 }
 
 // ServeFormatted serve YAML, XML OR JSON, depending on the value of the Accept header
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (c *Controller) ServeFormatted(encoding ...bool) {
 	hasIndent := BConfig.RunMode != PROD
 	hasEncoding := len(encoding) > 0 && encoding[0]
@@ -406,6 +443,7 @@ func (c *Controller) ServeFormatted(encoding ...bool) {
 }
 
 // Input returns the input data map from POST or PUT request body and query string.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (c *Controller) Input() url.Values {
 	if c.Ctx.Request.Form == nil {
 		c.Ctx.Request.ParseForm()
@@ -414,11 +452,13 @@ func (c *Controller) Input() url.Values {
 }
 
 // ParseForm maps input data map to obj struct.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (c *Controller) ParseForm(obj interface{}) error {
 	return ParseForm(c.Input(), obj)
 }
 
 // GetString returns the input value by key string or the default value while it's present and input is blank
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (c *Controller) GetString(key string, def ...string) string {
 	if v := c.Ctx.Input.Query(key); v != "" {
 		return v
@@ -431,6 +471,7 @@ func (c *Controller) GetString(key string, def ...string) string {
 
 // GetStrings returns the input string slice by key string or the default value while it's present and input is blank
 // it's designed for multi-value input field such as checkbox(input[type=checkbox]), multi-selection.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (c *Controller) GetStrings(key string, def ...[]string) []string {
 	var defv []string
 	if len(def) > 0 {
@@ -447,6 +488,7 @@ func (c *Controller) GetStrings(key string, def ...[]string) []string {
 }
 
 // GetInt returns input as an int or the default value while it's present and input is blank
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (c *Controller) GetInt(key string, def ...int) (int, error) {
 	strv := c.Ctx.Input.Query(key)
 	if len(strv) == 0 && len(def) > 0 {
@@ -456,6 +498,7 @@ func (c *Controller) GetInt(key string, def ...int) (int, error) {
 }
 
 // GetInt8 return input as an int8 or the default value while it's present and input is blank
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (c *Controller) GetInt8(key string, def ...int8) (int8, error) {
 	strv := c.Ctx.Input.Query(key)
 	if len(strv) == 0 && len(def) > 0 {
@@ -466,6 +509,7 @@ func (c *Controller) GetInt8(key string, def ...int8) (int8, error) {
 }
 
 // GetUint8 return input as an uint8 or the default value while it's present and input is blank
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (c *Controller) GetUint8(key string, def ...uint8) (uint8, error) {
 	strv := c.Ctx.Input.Query(key)
 	if len(strv) == 0 && len(def) > 0 {
@@ -476,6 +520,7 @@ func (c *Controller) GetUint8(key string, def ...uint8) (uint8, error) {
 }
 
 // GetInt16 returns input as an int16 or the default value while it's present and input is blank
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (c *Controller) GetInt16(key string, def ...int16) (int16, error) {
 	strv := c.Ctx.Input.Query(key)
 	if len(strv) == 0 && len(def) > 0 {
@@ -486,6 +531,7 @@ func (c *Controller) GetInt16(key string, def ...int16) (int16, error) {
 }
 
 // GetUint16 returns input as an uint16 or the default value while it's present and input is blank
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (c *Controller) GetUint16(key string, def ...uint16) (uint16, error) {
 	strv := c.Ctx.Input.Query(key)
 	if len(strv) == 0 && len(def) > 0 {
@@ -496,6 +542,7 @@ func (c *Controller) GetUint16(key string, def ...uint16) (uint16, error) {
 }
 
 // GetInt32 returns input as an int32 or the default value while it's present and input is blank
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (c *Controller) GetInt32(key string, def ...int32) (int32, error) {
 	strv := c.Ctx.Input.Query(key)
 	if len(strv) == 0 && len(def) > 0 {
@@ -506,6 +553,7 @@ func (c *Controller) GetInt32(key string, def ...int32) (int32, error) {
 }
 
 // GetUint32 returns input as an uint32 or the default value while it's present and input is blank
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (c *Controller) GetUint32(key string, def ...uint32) (uint32, error) {
 	strv := c.Ctx.Input.Query(key)
 	if len(strv) == 0 && len(def) > 0 {
@@ -516,6 +564,7 @@ func (c *Controller) GetUint32(key string, def ...uint32) (uint32, error) {
 }
 
 // GetInt64 returns input value as int64 or the default value while it's present and input is blank.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (c *Controller) GetInt64(key string, def ...int64) (int64, error) {
 	strv := c.Ctx.Input.Query(key)
 	if len(strv) == 0 && len(def) > 0 {
@@ -525,6 +574,7 @@ func (c *Controller) GetInt64(key string, def ...int64) (int64, error) {
 }
 
 // GetUint64 returns input value as uint64 or the default value while it's present and input is blank.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (c *Controller) GetUint64(key string, def ...uint64) (uint64, error) {
 	strv := c.Ctx.Input.Query(key)
 	if len(strv) == 0 && len(def) > 0 {
@@ -534,6 +584,7 @@ func (c *Controller) GetUint64(key string, def ...uint64) (uint64, error) {
 }
 
 // GetBool returns input value as bool or the default value while it's present and input is blank.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (c *Controller) GetBool(key string, def ...bool) (bool, error) {
 	strv := c.Ctx.Input.Query(key)
 	if len(strv) == 0 && len(def) > 0 {
@@ -543,6 +594,7 @@ func (c *Controller) GetBool(key string, def ...bool) (bool, error) {
 }
 
 // GetFloat returns input value as float64 or the default value while it's present and input is blank.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (c *Controller) GetFloat(key string, def ...float64) (float64, error) {
 	strv := c.Ctx.Input.Query(key)
 	if len(strv) == 0 && len(def) > 0 {
@@ -553,6 +605,7 @@ func (c *Controller) GetFloat(key string, def ...float64) (float64, error) {
 
 // GetFile returns the file data in file upload field named as key.
 // it returns the first one of multi-uploaded files.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (c *Controller) GetFile(key string) (multipart.File, *multipart.FileHeader, error) {
 	return c.Ctx.Request.FormFile(key)
 }
@@ -584,6 +637,7 @@ func (c *Controller) GetFile(key string) (multipart.File, *multipart.FileHeader,
 //		return
 //	}
 // }
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (c *Controller) GetFiles(key string) ([]*multipart.FileHeader, error) {
 	if files, ok := c.Ctx.Request.MultipartForm.File[key]; ok {
 		return files, nil
@@ -593,6 +647,7 @@ func (c *Controller) GetFiles(key string) ([]*multipart.FileHeader, error) {
 
 // SaveToFile saves uploaded file to new path.
 // it only operates the first one of mutil-upload form file field.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (c *Controller) SaveToFile(fromfile, tofile string) error {
 	file, _, err := c.Ctx.Request.FormFile(fromfile)
 	if err != nil {
@@ -609,6 +664,7 @@ func (c *Controller) SaveToFile(fromfile, tofile string) error {
 }
 
 // StartSession starts session and load old session data info this controller.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (c *Controller) StartSession() session.Store {
 	if c.CruSession == nil {
 		c.CruSession = c.Ctx.Input.CruSession
@@ -617,6 +673,7 @@ func (c *Controller) StartSession() session.Store {
 }
 
 // SetSession puts value into session.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (c *Controller) SetSession(name interface{}, value interface{}) {
 	if c.CruSession == nil {
 		c.StartSession()
@@ -625,6 +682,7 @@ func (c *Controller) SetSession(name interface{}, value interface{}) {
 }
 
 // GetSession gets value from session.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (c *Controller) GetSession(name interface{}) interface{} {
 	if c.CruSession == nil {
 		c.StartSession()
@@ -633,6 +691,7 @@ func (c *Controller) GetSession(name interface{}) interface{} {
 }
 
 // DelSession removes value from session.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (c *Controller) DelSession(name interface{}) {
 	if c.CruSession == nil {
 		c.StartSession()
@@ -642,6 +701,7 @@ func (c *Controller) DelSession(name interface{}) {
 
 // SessionRegenerateID regenerates session id for this session.
 // the session data have no changes.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (c *Controller) SessionRegenerateID() {
 	if c.CruSession != nil {
 		c.CruSession.SessionRelease(c.Ctx.ResponseWriter)
@@ -651,6 +711,7 @@ func (c *Controller) SessionRegenerateID() {
 }
 
 // DestroySession cleans session data and session cookie.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (c *Controller) DestroySession() {
 	c.Ctx.Input.CruSession.Flush()
 	c.Ctx.Input.CruSession = nil
@@ -658,21 +719,25 @@ func (c *Controller) DestroySession() {
 }
 
 // IsAjax returns this request is ajax or not.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (c *Controller) IsAjax() bool {
 	return c.Ctx.Input.IsAjax()
 }
 
 // GetSecureCookie returns decoded cookie value from encoded browser cookie values.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (c *Controller) GetSecureCookie(Secret, key string) (string, bool) {
 	return c.Ctx.GetSecureCookie(Secret, key)
 }
 
 // SetSecureCookie puts value into cookie after encoded the value.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (c *Controller) SetSecureCookie(Secret, name, value string, others ...interface{}) {
 	c.Ctx.SetSecureCookie(Secret, name, value, others...)
 }
 
 // XSRFToken creates a CSRF token string and returns.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (c *Controller) XSRFToken() string {
 	if c._xsrfToken == "" {
 		expire := int64(BConfig.WebConfig.XSRFExpire)
@@ -687,6 +752,7 @@ func (c *Controller) XSRFToken() string {
 // CheckXSRFCookie checks xsrf token in this request is valid or not.
 // the token can provided in request header "X-Xsrftoken" and "X-CsrfToken"
 // or in form field value named as "_xsrf".
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (c *Controller) CheckXSRFCookie() bool {
 	if !c.EnableXSRF {
 		return true
@@ -695,12 +761,14 @@ func (c *Controller) CheckXSRFCookie() bool {
 }
 
 // XSRFFormHTML writes an input field contains xsrf token value.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (c *Controller) XSRFFormHTML() string {
 	return `<input type="hidden" name="_xsrf" value="` +
 		c.XSRFToken() + `" />`
 }
 
 // GetControllerAndAction gets the executing controller name and action name.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (c *Controller) GetControllerAndAction() (string, string) {
 	return c.controllerName, c.actionName
 }
diff --git a/doc.go b/doc.go
index 8825bd29..72284c67 100644
--- a/doc.go
+++ b/doc.go
@@ -13,5 +13,7 @@ beego is inspired by Tornado, Sinatra and Flask with the added benefit of some G
 	}
 
 more information: http://beego.me
+
+Deprecated: using pkg/, we will delete this in v2.1.0
 */
 package beego
diff --git a/error.go b/error.go
index f268f723..40eea5fa 100644
--- a/error.go
+++ b/error.go
@@ -205,6 +205,7 @@ type errorInfo struct {
 
 // ErrorMaps holds map of http handlers for each error string.
 // there is 10 kinds default error(40x and 50x)
+// Deprecated: using pkg/, we will delete this in v2.1.0
 var ErrorMaps = make(map[string]*errorInfo, 10)
 
 // show 401 unauthorized error.
@@ -387,6 +388,7 @@ func responseError(rw http.ResponseWriter, r *http.Request, errCode int, errCont
 // usage:
 // 	beego.ErrorHandler("404",NotFound)
 //	beego.ErrorHandler("500",InternalServerError)
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func ErrorHandler(code string, h http.HandlerFunc) *App {
 	ErrorMaps[code] = &errorInfo{
 		errorType: errorTypeHandler,
@@ -399,6 +401,7 @@ func ErrorHandler(code string, h http.HandlerFunc) *App {
 // ErrorController registers ControllerInterface to each http err code string.
 // usage:
 // 	beego.ErrorController(&controllers.ErrorController{})
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func ErrorController(c ControllerInterface) *App {
 	reflectVal := reflect.ValueOf(c)
 	rt := reflectVal.Type()
@@ -418,6 +421,7 @@ func ErrorController(c ControllerInterface) *App {
 }
 
 // Exception Write HttpStatus with errCode and Exec error handler if exist.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func Exception(errCode uint64, ctx *context.Context) {
 	exception(strconv.FormatUint(errCode, 10), ctx)
 }
diff --git a/filter.go b/filter.go
index 9cc6e913..8596d288 100644
--- a/filter.go
+++ b/filter.go
@@ -17,11 +17,13 @@ package beego
 import "github.com/astaxie/beego/context"
 
 // FilterFunc defines a filter function which is invoked before the controller handler is executed.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 type FilterFunc func(*context.Context)
 
 // FilterRouter defines a filter operation which is invoked before the controller handler is executed.
 // It can match the URL against a pattern, and execute a filter function
 // when a request with a matching URL arrives.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 type FilterRouter struct {
 	filterFunc     FilterFunc
 	tree           *Tree
@@ -33,6 +35,7 @@ type FilterRouter struct {
 // ValidRouter checks if the current request is matched by this filter.
 // If the request is matched, the values of the URL parameters defined
 // by the filter pattern are also returned.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (f *FilterRouter) ValidRouter(url string, ctx *context.Context) bool {
 	isOk := f.tree.Match(url, ctx)
 	if isOk != nil {
diff --git a/flash.go b/flash.go
index a6485a17..fe3fb974 100644
--- a/flash.go
+++ b/flash.go
@@ -21,11 +21,13 @@ import (
 )
 
 // FlashData is a tools to maintain data when using across request.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 type FlashData struct {
 	Data map[string]string
 }
 
 // NewFlash return a new empty FlashData struct.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func NewFlash() *FlashData {
 	return &FlashData{
 		Data: make(map[string]string),
@@ -33,6 +35,7 @@ func NewFlash() *FlashData {
 }
 
 // Set message to flash
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (fd *FlashData) Set(key string, msg string, args ...interface{}) {
 	if len(args) == 0 {
 		fd.Data[key] = msg
@@ -42,6 +45,7 @@ func (fd *FlashData) Set(key string, msg string, args ...interface{}) {
 }
 
 // Success writes success message to flash.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (fd *FlashData) Success(msg string, args ...interface{}) {
 	if len(args) == 0 {
 		fd.Data["success"] = msg
@@ -51,6 +55,7 @@ func (fd *FlashData) Success(msg string, args ...interface{}) {
 }
 
 // Notice writes notice message to flash.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (fd *FlashData) Notice(msg string, args ...interface{}) {
 	if len(args) == 0 {
 		fd.Data["notice"] = msg
@@ -60,6 +65,7 @@ func (fd *FlashData) Notice(msg string, args ...interface{}) {
 }
 
 // Warning writes warning message to flash.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (fd *FlashData) Warning(msg string, args ...interface{}) {
 	if len(args) == 0 {
 		fd.Data["warning"] = msg
@@ -69,6 +75,7 @@ func (fd *FlashData) Warning(msg string, args ...interface{}) {
 }
 
 // Error writes error message to flash.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (fd *FlashData) Error(msg string, args ...interface{}) {
 	if len(args) == 0 {
 		fd.Data["error"] = msg
@@ -79,6 +86,7 @@ func (fd *FlashData) Error(msg string, args ...interface{}) {
 
 // Store does the saving operation of flash data.
 // the data are encoded and saved in cookie.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (fd *FlashData) Store(c *Controller) {
 	c.Data["flash"] = fd.Data
 	var flashValue string
@@ -89,6 +97,7 @@ func (fd *FlashData) Store(c *Controller) {
 }
 
 // ReadFromRequest parsed flash data from encoded values in cookie.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func ReadFromRequest(c *Controller) *FlashData {
 	flash := NewFlash()
 	if cookie, err := c.Ctx.Request.Cookie(BConfig.WebConfig.FlashName); err == nil {
diff --git a/fs.go b/fs.go
index 41cc6f6e..3300813d 100644
--- a/fs.go
+++ b/fs.go
@@ -6,9 +6,11 @@ import (
 	"path/filepath"
 )
 
+// Deprecated: using pkg/, we will delete this in v2.1.0
 type FileSystem struct {
 }
 
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (d FileSystem) Open(name string) (http.File, error) {
 	return os.Open(name)
 }
@@ -16,6 +18,7 @@ func (d FileSystem) Open(name string) (http.File, error) {
 // Walk walks the file tree rooted at root in filesystem, calling walkFn for each file or
 // directory in the tree, including root. All errors that arise visiting files
 // and directories are filtered by walkFn.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func Walk(fs http.FileSystem, root string, walkFn filepath.WalkFunc) error {
 
 	f, err := fs.Open(root)
diff --git a/namespace.go b/namespace.go
index 4952c9d5..a6962994 100644
--- a/namespace.go
+++ b/namespace.go
@@ -24,15 +24,18 @@ import (
 type namespaceCond func(*beecontext.Context) bool
 
 // LinkNamespace used as link action
+// Deprecated: using pkg/, we will delete this in v2.1.0
 type LinkNamespace func(*Namespace)
 
 // Namespace is store all the info
+// Deprecated: using pkg/, we will delete this in v2.1.0
 type Namespace struct {
 	prefix   string
 	handlers *ControllerRegister
 }
 
 // NewNamespace get new Namespace
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func NewNamespace(prefix string, params ...LinkNamespace) *Namespace {
 	ns := &Namespace{
 		prefix:   prefix,
@@ -54,6 +57,7 @@ func NewNamespace(prefix string, params ...LinkNamespace) *Namespace {
 //       return false
 //   })
 // Cond as the first filter
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (n *Namespace) Cond(cond namespaceCond) *Namespace {
 	fn := func(ctx *beecontext.Context) {
 		if !cond(ctx) {
@@ -83,6 +87,7 @@ func (n *Namespace) Cond(cond namespaceCond) *Namespace {
 //          ctx.Redirect(302, "/login")
 //        }
 //   })
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (n *Namespace) Filter(action string, filter ...FilterFunc) *Namespace {
 	var a int
 	if action == "before" {
@@ -98,6 +103,7 @@ func (n *Namespace) Filter(action string, filter ...FilterFunc) *Namespace {
 
 // Router same as beego.Rourer
 // refer: https://godoc.org/github.com/astaxie/beego#Router
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (n *Namespace) Router(rootpath string, c ControllerInterface, mappingMethods ...string) *Namespace {
 	n.handlers.Add(rootpath, c, mappingMethods...)
 	return n
@@ -105,6 +111,7 @@ func (n *Namespace) Router(rootpath string, c ControllerInterface, mappingMethod
 
 // AutoRouter same as beego.AutoRouter
 // refer: https://godoc.org/github.com/astaxie/beego#AutoRouter
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (n *Namespace) AutoRouter(c ControllerInterface) *Namespace {
 	n.handlers.AddAuto(c)
 	return n
@@ -112,6 +119,7 @@ func (n *Namespace) AutoRouter(c ControllerInterface) *Namespace {
 
 // AutoPrefix same as beego.AutoPrefix
 // refer: https://godoc.org/github.com/astaxie/beego#AutoPrefix
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (n *Namespace) AutoPrefix(prefix string, c ControllerInterface) *Namespace {
 	n.handlers.AddAutoPrefix(prefix, c)
 	return n
@@ -119,6 +127,7 @@ func (n *Namespace) AutoPrefix(prefix string, c ControllerInterface) *Namespace
 
 // Get same as beego.Get
 // refer: https://godoc.org/github.com/astaxie/beego#Get
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (n *Namespace) Get(rootpath string, f FilterFunc) *Namespace {
 	n.handlers.Get(rootpath, f)
 	return n
@@ -126,6 +135,7 @@ func (n *Namespace) Get(rootpath string, f FilterFunc) *Namespace {
 
 // Post same as beego.Post
 // refer: https://godoc.org/github.com/astaxie/beego#Post
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (n *Namespace) Post(rootpath string, f FilterFunc) *Namespace {
 	n.handlers.Post(rootpath, f)
 	return n
@@ -133,6 +143,7 @@ func (n *Namespace) Post(rootpath string, f FilterFunc) *Namespace {
 
 // Delete same as beego.Delete
 // refer: https://godoc.org/github.com/astaxie/beego#Delete
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (n *Namespace) Delete(rootpath string, f FilterFunc) *Namespace {
 	n.handlers.Delete(rootpath, f)
 	return n
@@ -140,6 +151,7 @@ func (n *Namespace) Delete(rootpath string, f FilterFunc) *Namespace {
 
 // Put same as beego.Put
 // refer: https://godoc.org/github.com/astaxie/beego#Put
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (n *Namespace) Put(rootpath string, f FilterFunc) *Namespace {
 	n.handlers.Put(rootpath, f)
 	return n
@@ -147,6 +159,7 @@ func (n *Namespace) Put(rootpath string, f FilterFunc) *Namespace {
 
 // Head same as beego.Head
 // refer: https://godoc.org/github.com/astaxie/beego#Head
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (n *Namespace) Head(rootpath string, f FilterFunc) *Namespace {
 	n.handlers.Head(rootpath, f)
 	return n
@@ -154,6 +167,7 @@ func (n *Namespace) Head(rootpath string, f FilterFunc) *Namespace {
 
 // Options same as beego.Options
 // refer: https://godoc.org/github.com/astaxie/beego#Options
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (n *Namespace) Options(rootpath string, f FilterFunc) *Namespace {
 	n.handlers.Options(rootpath, f)
 	return n
@@ -161,6 +175,7 @@ func (n *Namespace) Options(rootpath string, f FilterFunc) *Namespace {
 
 // Patch same as beego.Patch
 // refer: https://godoc.org/github.com/astaxie/beego#Patch
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (n *Namespace) Patch(rootpath string, f FilterFunc) *Namespace {
 	n.handlers.Patch(rootpath, f)
 	return n
@@ -168,6 +183,7 @@ func (n *Namespace) Patch(rootpath string, f FilterFunc) *Namespace {
 
 // Any same as beego.Any
 // refer: https://godoc.org/github.com/astaxie/beego#Any
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (n *Namespace) Any(rootpath string, f FilterFunc) *Namespace {
 	n.handlers.Any(rootpath, f)
 	return n
@@ -175,6 +191,7 @@ func (n *Namespace) Any(rootpath string, f FilterFunc) *Namespace {
 
 // Handler same as beego.Handler
 // refer: https://godoc.org/github.com/astaxie/beego#Handler
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (n *Namespace) Handler(rootpath string, h http.Handler) *Namespace {
 	n.handlers.Handler(rootpath, h)
 	return n
@@ -182,6 +199,7 @@ func (n *Namespace) Handler(rootpath string, h http.Handler) *Namespace {
 
 // Include add include class
 // refer: https://godoc.org/github.com/astaxie/beego#Include
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (n *Namespace) Include(cList ...ControllerInterface) *Namespace {
 	n.handlers.Include(cList...)
 	return n
@@ -204,6 +222,7 @@ func (n *Namespace) Include(cList ...ControllerInterface) *Namespace {
 //            ctx.Output.Body([]byte("crminfo"))
 //    }),
 //)
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (n *Namespace) Namespace(ns ...*Namespace) *Namespace {
 	for _, ni := range ns {
 		for k, v := range ni.handlers.routers {
@@ -233,6 +252,7 @@ func (n *Namespace) Namespace(ns ...*Namespace) *Namespace {
 
 // AddNamespace register Namespace into beego.Handler
 // support multi Namespace
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func AddNamespace(nl ...*Namespace) {
 	for _, n := range nl {
 		for k, v := range n.handlers.routers {
@@ -276,6 +296,7 @@ func addPrefix(t *Tree, prefix string) {
 }
 
 // NSCond is Namespace Condition
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func NSCond(cond namespaceCond) LinkNamespace {
 	return func(ns *Namespace) {
 		ns.Cond(cond)
@@ -283,6 +304,7 @@ func NSCond(cond namespaceCond) LinkNamespace {
 }
 
 // NSBefore Namespace BeforeRouter filter
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func NSBefore(filterList ...FilterFunc) LinkNamespace {
 	return func(ns *Namespace) {
 		ns.Filter("before", filterList...)
@@ -290,6 +312,7 @@ func NSBefore(filterList ...FilterFunc) LinkNamespace {
 }
 
 // NSAfter add Namespace FinishRouter filter
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func NSAfter(filterList ...FilterFunc) LinkNamespace {
 	return func(ns *Namespace) {
 		ns.Filter("after", filterList...)
@@ -297,6 +320,7 @@ func NSAfter(filterList ...FilterFunc) LinkNamespace {
 }
 
 // NSInclude Namespace Include ControllerInterface
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func NSInclude(cList ...ControllerInterface) LinkNamespace {
 	return func(ns *Namespace) {
 		ns.Include(cList...)
@@ -304,6 +328,7 @@ func NSInclude(cList ...ControllerInterface) LinkNamespace {
 }
 
 // NSRouter call Namespace Router
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func NSRouter(rootpath string, c ControllerInterface, mappingMethods ...string) LinkNamespace {
 	return func(ns *Namespace) {
 		ns.Router(rootpath, c, mappingMethods...)
@@ -311,6 +336,7 @@ func NSRouter(rootpath string, c ControllerInterface, mappingMethods ...string)
 }
 
 // NSGet call Namespace Get
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func NSGet(rootpath string, f FilterFunc) LinkNamespace {
 	return func(ns *Namespace) {
 		ns.Get(rootpath, f)
@@ -318,6 +344,7 @@ func NSGet(rootpath string, f FilterFunc) LinkNamespace {
 }
 
 // NSPost call Namespace Post
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func NSPost(rootpath string, f FilterFunc) LinkNamespace {
 	return func(ns *Namespace) {
 		ns.Post(rootpath, f)
@@ -325,6 +352,7 @@ func NSPost(rootpath string, f FilterFunc) LinkNamespace {
 }
 
 // NSHead call Namespace Head
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func NSHead(rootpath string, f FilterFunc) LinkNamespace {
 	return func(ns *Namespace) {
 		ns.Head(rootpath, f)
@@ -332,6 +360,7 @@ func NSHead(rootpath string, f FilterFunc) LinkNamespace {
 }
 
 // NSPut call Namespace Put
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func NSPut(rootpath string, f FilterFunc) LinkNamespace {
 	return func(ns *Namespace) {
 		ns.Put(rootpath, f)
@@ -339,6 +368,7 @@ func NSPut(rootpath string, f FilterFunc) LinkNamespace {
 }
 
 // NSDelete call Namespace Delete
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func NSDelete(rootpath string, f FilterFunc) LinkNamespace {
 	return func(ns *Namespace) {
 		ns.Delete(rootpath, f)
@@ -346,6 +376,7 @@ func NSDelete(rootpath string, f FilterFunc) LinkNamespace {
 }
 
 // NSAny call Namespace Any
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func NSAny(rootpath string, f FilterFunc) LinkNamespace {
 	return func(ns *Namespace) {
 		ns.Any(rootpath, f)
@@ -353,6 +384,7 @@ func NSAny(rootpath string, f FilterFunc) LinkNamespace {
 }
 
 // NSOptions call Namespace Options
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func NSOptions(rootpath string, f FilterFunc) LinkNamespace {
 	return func(ns *Namespace) {
 		ns.Options(rootpath, f)
@@ -360,6 +392,7 @@ func NSOptions(rootpath string, f FilterFunc) LinkNamespace {
 }
 
 // NSPatch call Namespace Patch
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func NSPatch(rootpath string, f FilterFunc) LinkNamespace {
 	return func(ns *Namespace) {
 		ns.Patch(rootpath, f)
@@ -367,6 +400,7 @@ func NSPatch(rootpath string, f FilterFunc) LinkNamespace {
 }
 
 // NSAutoRouter call Namespace AutoRouter
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func NSAutoRouter(c ControllerInterface) LinkNamespace {
 	return func(ns *Namespace) {
 		ns.AutoRouter(c)
@@ -374,6 +408,7 @@ func NSAutoRouter(c ControllerInterface) LinkNamespace {
 }
 
 // NSAutoPrefix call Namespace AutoPrefix
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func NSAutoPrefix(prefix string, c ControllerInterface) LinkNamespace {
 	return func(ns *Namespace) {
 		ns.AutoPrefix(prefix, c)
@@ -381,6 +416,7 @@ func NSAutoPrefix(prefix string, c ControllerInterface) LinkNamespace {
 }
 
 // NSNamespace add sub Namespace
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func NSNamespace(prefix string, params ...LinkNamespace) LinkNamespace {
 	return func(ns *Namespace) {
 		n := NewNamespace(prefix, params...)
@@ -389,6 +425,7 @@ func NSNamespace(prefix string, params ...LinkNamespace) LinkNamespace {
 }
 
 // NSHandler add handler
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func NSHandler(rootpath string, h http.Handler) LinkNamespace {
 	return func(ns *Namespace) {
 		ns.Handler(rootpath, h)
diff --git a/policy.go b/policy.go
index ab23f927..358a0539 100644
--- a/policy.go
+++ b/policy.go
@@ -21,9 +21,11 @@ import (
 )
 
 // PolicyFunc defines a policy function which is invoked before the controller handler is executed.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 type PolicyFunc func(*context.Context)
 
 // FindPolicy Find Router info for URL
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (p *ControllerRegister) FindPolicy(cont *context.Context) []PolicyFunc {
 	var urlPath = cont.Input.URL()
 	if !BConfig.RouterCaseSensitive {
@@ -72,6 +74,7 @@ func (p *ControllerRegister) addToPolicy(method, pattern string, r ...PolicyFunc
 }
 
 // Policy Register new policy in beego
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func Policy(pattern, method string, policy ...PolicyFunc) {
 	BeeApp.Handlers.addToPolicy(method, pattern, policy...)
 }
diff --git a/router.go b/router.go
index 92316480..1be495ab 100644
--- a/router.go
+++ b/router.go
@@ -51,6 +51,7 @@ const (
 
 var (
 	// HTTPMETHOD list the supported http methods.
+	// Deprecated: using pkg/, we will delete this in v2.1.0
 	HTTPMETHOD = map[string]bool{
 		"GET":       true,
 		"POST":      true,
@@ -80,10 +81,12 @@ var (
 
 	urlPlaceholder = "{{placeholder}}"
 	// DefaultAccessLogFilter will skip the accesslog if return true
+	// Deprecated: using pkg/, we will delete this in v2.1.0
 	DefaultAccessLogFilter FilterHandler = &logFilter{}
 )
 
 // FilterHandler is an interface for
+// Deprecated: using pkg/, we will delete this in v2.1.0
 type FilterHandler interface {
 	Filter(*beecontext.Context) bool
 }
@@ -92,6 +95,7 @@ type FilterHandler interface {
 type logFilter struct {
 }
 
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (l *logFilter) Filter(ctx *beecontext.Context) bool {
 	requestPath := path.Clean(ctx.Request.URL.Path)
 	if requestPath == "/favicon.ico" || requestPath == "/robots.txt" {
@@ -106,6 +110,7 @@ func (l *logFilter) Filter(ctx *beecontext.Context) bool {
 }
 
 // ExceptMethodAppend to append a slice's value into "exceptMethod", for controller's methods shouldn't reflect to AutoRouter
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func ExceptMethodAppend(action string) {
 	exceptMethod = append(exceptMethod, action)
 }
@@ -122,11 +127,13 @@ type ControllerInfo struct {
 	methodParams   []*param.MethodParam
 }
 
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (c *ControllerInfo) GetPattern() string {
 	return c.pattern
 }
 
 // ControllerRegister containers registered router rules, controller handlers and filters.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 type ControllerRegister struct {
 	routers      map[string]*Tree
 	enablePolicy bool
@@ -137,6 +144,7 @@ type ControllerRegister struct {
 }
 
 // NewControllerRegister returns a new ControllerRegister.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func NewControllerRegister() *ControllerRegister {
 	return &ControllerRegister{
 		routers:  make(map[string]*Tree),
@@ -159,6 +167,7 @@ func NewControllerRegister() *ControllerRegister {
 //	Add("/api/delete",&RestController{},"delete:DeleteFood")
 //	Add("/api",&RestController{},"get,post:ApiFunc"
 //	Add("/simple",&SimpleController{},"get:GetFunc;post:PostFunc")
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (p *ControllerRegister) Add(pattern string, c ControllerInterface, mappingMethods ...string) {
 	p.addWithMethodParams(pattern, c, nil, mappingMethods...)
 }
@@ -251,6 +260,7 @@ func (p *ControllerRegister) addToRouter(method, pattern string, r *ControllerIn
 
 // Include only when the Runmode is dev will generate router file in the router/auto.go from the controller
 // Include(&BankAccount{}, &OrderController{},&RefundController{},&ReceiptController{})
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (p *ControllerRegister) Include(cList ...ControllerInterface) {
 	if BConfig.RunMode == DEV {
 		skip := make(map[string]bool, 10)
@@ -313,11 +323,13 @@ func (p *ControllerRegister) Include(cList ...ControllerInterface) {
 //  ctx := p.GetContext()
 //  ctx.Reset(w, q)
 //  defer p.GiveBackContext(ctx)
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (p *ControllerRegister) GetContext() *beecontext.Context {
 	return p.pool.Get().(*beecontext.Context)
 }
 
 // GiveBackContext put the ctx into pool so that it could be reuse
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (p *ControllerRegister) GiveBackContext(ctx *beecontext.Context) {
 	// clear input cached data
 	ctx.Input.Clear()
@@ -331,6 +343,7 @@ func (p *ControllerRegister) GiveBackContext(ctx *beecontext.Context) {
 //    Get("/", func(ctx *context.Context){
 //          ctx.Output.Body("hello world")
 //    })
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (p *ControllerRegister) Get(pattern string, f FilterFunc) {
 	p.AddMethod("get", pattern, f)
 }
@@ -340,6 +353,7 @@ func (p *ControllerRegister) Get(pattern string, f FilterFunc) {
 //    Post("/api", func(ctx *context.Context){
 //          ctx.Output.Body("hello world")
 //    })
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (p *ControllerRegister) Post(pattern string, f FilterFunc) {
 	p.AddMethod("post", pattern, f)
 }
@@ -349,6 +363,7 @@ func (p *ControllerRegister) Post(pattern string, f FilterFunc) {
 //    Put("/api/:id", func(ctx *context.Context){
 //          ctx.Output.Body("hello world")
 //    })
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (p *ControllerRegister) Put(pattern string, f FilterFunc) {
 	p.AddMethod("put", pattern, f)
 }
@@ -358,6 +373,7 @@ func (p *ControllerRegister) Put(pattern string, f FilterFunc) {
 //    Delete("/api/:id", func(ctx *context.Context){
 //          ctx.Output.Body("hello world")
 //    })
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (p *ControllerRegister) Delete(pattern string, f FilterFunc) {
 	p.AddMethod("delete", pattern, f)
 }
@@ -367,6 +383,7 @@ func (p *ControllerRegister) Delete(pattern string, f FilterFunc) {
 //    Head("/api/:id", func(ctx *context.Context){
 //          ctx.Output.Body("hello world")
 //    })
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (p *ControllerRegister) Head(pattern string, f FilterFunc) {
 	p.AddMethod("head", pattern, f)
 }
@@ -376,6 +393,7 @@ func (p *ControllerRegister) Head(pattern string, f FilterFunc) {
 //    Patch("/api/:id", func(ctx *context.Context){
 //          ctx.Output.Body("hello world")
 //    })
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (p *ControllerRegister) Patch(pattern string, f FilterFunc) {
 	p.AddMethod("patch", pattern, f)
 }
@@ -385,6 +403,7 @@ func (p *ControllerRegister) Patch(pattern string, f FilterFunc) {
 //    Options("/api/:id", func(ctx *context.Context){
 //          ctx.Output.Body("hello world")
 //    })
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (p *ControllerRegister) Options(pattern string, f FilterFunc) {
 	p.AddMethod("options", pattern, f)
 }
@@ -394,6 +413,7 @@ func (p *ControllerRegister) Options(pattern string, f FilterFunc) {
 //    Any("/api/:id", func(ctx *context.Context){
 //          ctx.Output.Body("hello world")
 //    })
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (p *ControllerRegister) Any(pattern string, f FilterFunc) {
 	p.AddMethod("*", pattern, f)
 }
@@ -403,6 +423,7 @@ func (p *ControllerRegister) Any(pattern string, f FilterFunc) {
 //    AddMethod("get","/api/:id", func(ctx *context.Context){
 //          ctx.Output.Body("hello world")
 //    })
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (p *ControllerRegister) AddMethod(method, pattern string, f FilterFunc) {
 	method = strings.ToUpper(method)
 	if method != "*" && !HTTPMETHOD[method] {
@@ -433,6 +454,7 @@ func (p *ControllerRegister) AddMethod(method, pattern string, f FilterFunc) {
 }
 
 // Handler add user defined Handler
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (p *ControllerRegister) Handler(pattern string, h http.Handler, options ...interface{}) {
 	route := &ControllerInfo{}
 	route.pattern = pattern
@@ -453,6 +475,7 @@ func (p *ControllerRegister) Handler(pattern string, h http.Handler, options ...
 // MainController has method List and Page.
 // visit the url /main/list to execute List function
 // /main/page to execute Page function.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (p *ControllerRegister) AddAuto(c ControllerInterface) {
 	p.AddAutoPrefix("/", c)
 }
@@ -462,6 +485,7 @@ func (p *ControllerRegister) AddAuto(c ControllerInterface) {
 // MainController has method List and Page.
 // visit the url /admin/main/list to execute List function
 // /admin/main/page to execute Page function.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (p *ControllerRegister) AddAutoPrefix(prefix string, c ControllerInterface) {
 	reflectVal := reflect.ValueOf(c)
 	rt := reflectVal.Type()
@@ -492,6 +516,7 @@ func (p *ControllerRegister) AddAutoPrefix(prefix string, c ControllerInterface)
 // params is for:
 //   1. setting the returnOnOutput value (false allows multiple filters to execute)
 //   2. determining whether or not params need to be reset.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (p *ControllerRegister) InsertFilter(pattern string, pos int, filter FilterFunc, params ...bool) error {
 	mr := &FilterRouter{
 		tree:           NewTree(),
@@ -526,6 +551,7 @@ func (p *ControllerRegister) insertFilterRouter(pos int, mr *FilterRouter) (err
 
 // URLFor does another controller handler in this request function.
 // it can access any controller method.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (p *ControllerRegister) URLFor(endpoint string, values ...interface{}) string {
 	paths := strings.Split(endpoint, ".")
 	if len(paths) <= 1 {
@@ -695,6 +721,7 @@ func (p *ControllerRegister) execFilter(context *beecontext.Context, urlPath str
 }
 
 // Implement http.Handler interface.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (p *ControllerRegister) ServeHTTP(rw http.ResponseWriter, r *http.Request) {
 	startTime := time.Now()
 	var (
@@ -993,6 +1020,7 @@ func (p *ControllerRegister) handleParamResponse(context *beecontext.Context, ex
 }
 
 // FindRouter Find Router info for URL
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (p *ControllerRegister) FindRouter(context *beecontext.Context) (routerInfo *ControllerInfo, isFind bool) {
 	var urlPath = context.Input.URL()
 	if !BConfig.RouterCaseSensitive {
@@ -1020,6 +1048,7 @@ func toURL(params map[string]string) string {
 }
 
 // LogAccess logging info HTTP Access
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func LogAccess(ctx *beecontext.Context, startTime *time.Time, statusCode int) {
 	// Skip logging if AccessLogs config is false
 	if !BConfig.Log.AccessLogs {
diff --git a/template.go b/template.go
index 59875be7..69b178ca 100644
--- a/template.go
+++ b/template.go
@@ -47,6 +47,7 @@ var (
 // ExecuteTemplate applies the template with name  to the specified data object,
 // writing the output to wr.
 // A template will be executed safely in parallel.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func ExecuteTemplate(wr io.Writer, name string, data interface{}) error {
 	return ExecuteViewPathTemplate(wr, name, BConfig.WebConfig.ViewsPath, data)
 }
@@ -54,6 +55,7 @@ func ExecuteTemplate(wr io.Writer, name string, data interface{}) error {
 // ExecuteViewPathTemplate applies the template with name and from specific viewPath to the specified data object,
 // writing the output to wr.
 // A template will be executed safely in parallel.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func ExecuteViewPathTemplate(wr io.Writer, name string, viewPath string, data interface{}) error {
 	if BConfig.RunMode == DEV {
 		templatesLock.RLock()
@@ -143,6 +145,7 @@ func (tf *templateFile) visit(paths string, f os.FileInfo, err error) error {
 }
 
 // HasTemplateExt return this path contains supported template extension of beego or not.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func HasTemplateExt(paths string) bool {
 	for _, v := range beeTemplateExt {
 		if strings.HasSuffix(paths, "."+v) {
@@ -153,6 +156,7 @@ func HasTemplateExt(paths string) bool {
 }
 
 // AddTemplateExt add new extension for template.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func AddTemplateExt(ext string) {
 	for _, v := range beeTemplateExt {
 		if v == ext {
@@ -165,6 +169,7 @@ func AddTemplateExt(ext string) {
 // AddViewPath adds a new path to the supported view paths.
 //Can later be used by setting a controller ViewPath to this folder
 //will panic if called after beego.Run()
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func AddViewPath(viewPath string) error {
 	if beeViewPathTemplateLocked {
 		if _, exist := beeViewPathTemplates[viewPath]; exist {
@@ -182,6 +187,7 @@ func lockViewPaths() {
 
 // BuildTemplate will build all template files in a directory.
 // it makes beego can render any template file in view directory.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func BuildTemplate(dir string, files ...string) error {
 	var err error
 	fs := beeTemplateFS()
@@ -363,11 +369,13 @@ func defaultFSFunc() http.FileSystem {
 }
 
 // SetTemplateFSFunc set default filesystem function
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func SetTemplateFSFunc(fnt templateFSFunc) {
 	beeTemplateFS = fnt
 }
 
 // SetViewsPath sets view directory path in beego application.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func SetViewsPath(path string) *App {
 	BConfig.WebConfig.ViewsPath = path
 	return BeeApp
@@ -375,6 +383,7 @@ func SetViewsPath(path string) *App {
 
 // SetStaticPath sets static directory path and proper url pattern in beego application.
 // if beego.SetStaticPath("static","public"), visit /static/* to load static file in folder "public".
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func SetStaticPath(url string, path string) *App {
 	if !strings.HasPrefix(url, "/") {
 		url = "/" + url
@@ -387,6 +396,7 @@ func SetStaticPath(url string, path string) *App {
 }
 
 // DelStaticPath removes the static folder setting in this url pattern in beego application.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func DelStaticPath(url string) *App {
 	if !strings.HasPrefix(url, "/") {
 		url = "/" + url
@@ -399,6 +409,7 @@ func DelStaticPath(url string) *App {
 }
 
 // AddTemplateEngine add a new templatePreProcessor which support extension
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func AddTemplateEngine(extension string, fn templatePreProcessor) *App {
 	AddTemplateExt(extension)
 	beeTemplateEngines[extension] = fn
diff --git a/templatefunc.go b/templatefunc.go
index 6f02b8d6..9e7c42fc 100644
--- a/templatefunc.go
+++ b/templatefunc.go
@@ -35,6 +35,7 @@ const (
 )
 
 // Substr returns the substr from start to length.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func Substr(s string, start, length int) string {
 	bt := []rune(s)
 	if start < 0 {
@@ -53,6 +54,7 @@ func Substr(s string, start, length int) string {
 }
 
 // HTML2str returns escaping text convert from html.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func HTML2str(html string) string {
 
 	re := regexp.MustCompile(`\<[\S\s]+?\>`)
@@ -76,6 +78,7 @@ func HTML2str(html string) string {
 }
 
 // DateFormat takes a time and a layout string and returns a string with the formatted date. Used by the template parser as "dateformat"
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func DateFormat(t time.Time, layout string) (datestring string) {
 	datestring = t.Format(layout)
 	return
@@ -123,6 +126,7 @@ var datePatterns = []string{
 }
 
 // DateParse Parse Date use PHP time format.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func DateParse(dateString, format string) (time.Time, error) {
 	replacer := strings.NewReplacer(datePatterns...)
 	format = replacer.Replace(format)
@@ -130,6 +134,7 @@ func DateParse(dateString, format string) (time.Time, error) {
 }
 
 // Date takes a PHP like date func to Go's time format.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func Date(t time.Time, format string) string {
 	replacer := strings.NewReplacer(datePatterns...)
 	format = replacer.Replace(format)
@@ -138,6 +143,7 @@ func Date(t time.Time, format string) string {
 
 // Compare is a quick and dirty comparison function. It will convert whatever you give it to strings and see if the two values are equal.
 // Whitespace is trimmed. Used by the template parser as "eq".
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func Compare(a, b interface{}) (equal bool) {
 	equal = false
 	if strings.TrimSpace(fmt.Sprintf("%v", a)) == strings.TrimSpace(fmt.Sprintf("%v", b)) {
@@ -147,16 +153,19 @@ func Compare(a, b interface{}) (equal bool) {
 }
 
 // CompareNot !Compare
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func CompareNot(a, b interface{}) (equal bool) {
 	return !Compare(a, b)
 }
 
 // NotNil the same as CompareNot
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func NotNil(a interface{}) (isNil bool) {
 	return CompareNot(a, nil)
 }
 
 // GetConfig get the Appconfig
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func GetConfig(returnType, key string, defaultVal interface{}) (value interface{}, err error) {
 	switch returnType {
 	case "String":
@@ -195,11 +204,13 @@ func GetConfig(returnType, key string, defaultVal interface{}) (value interface{
 }
 
 // Str2html Convert string to template.HTML type.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func Str2html(raw string) template.HTML {
 	return template.HTML(raw)
 }
 
 // Htmlquote returns quoted html string.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func Htmlquote(text string) string {
 	//HTML编码为实体符号
 	/*
@@ -219,6 +230,7 @@ func Htmlquote(text string) string {
 }
 
 // Htmlunquote returns unquoted html string.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func Htmlunquote(text string) string {
 	//实体符号解释为HTML
 	/*
@@ -249,11 +261,13 @@ func Htmlunquote(text string) string {
 //	/user/John%20Doe
 //
 //  more detail http://beego.me/docs/mvc/controller/urlbuilding.md
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func URLFor(endpoint string, values ...interface{}) string {
 	return BeeApp.Handlers.URLFor(endpoint, values...)
 }
 
 // AssetsJs returns script tag with src string.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func AssetsJs(text string) template.HTML {
 
 	text = "<script src=\"" + text + "\"></script>"
@@ -262,6 +276,7 @@ func AssetsJs(text string) template.HTML {
 }
 
 // AssetsCSS returns stylesheet link tag with src string.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func AssetsCSS(text string) template.HTML {
 
 	text = "<link href=\"" + text + "\" rel=\"stylesheet\" />"
@@ -411,6 +426,7 @@ func parseFormToStruct(form url.Values, objT reflect.Type, objV reflect.Value) e
 }
 
 // ParseForm will parse form values to struct via tag.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func ParseForm(form url.Values, obj interface{}) error {
 	objT := reflect.TypeOf(obj)
 	objV := reflect.ValueOf(obj)
@@ -442,6 +458,7 @@ var unKind = map[reflect.Kind]bool{
 
 // RenderForm will render object to form html.
 // obj must be a struct pointer.
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func RenderForm(obj interface{}) template.HTML {
 	objT := reflect.TypeOf(obj)
 	objV := reflect.ValueOf(obj)
@@ -715,6 +732,7 @@ func ge(arg1, arg2 interface{}) (bool, error) {
 //
 // {{ map_get m "a" }} // return 1
 // {{ map_get m 1 "c" }} // return 4
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func MapGet(arg1 interface{}, arg2 ...interface{}) (interface{}, error) {
 	arg1Type := reflect.TypeOf(arg1)
 	arg1Val := reflect.ValueOf(arg1)
diff --git a/tree.go b/tree.go
index 9e53003b..7fa3a7cb 100644
--- a/tree.go
+++ b/tree.go
@@ -31,6 +31,7 @@ var (
 // fixRouter stores Fixed Router
 // wildcard stores params
 // leaves store the endpoint information
+// Deprecated: using pkg/, we will delete this in v2.1.0
 type Tree struct {
 	//prefix set for static router
 	prefix string
@@ -43,12 +44,14 @@ type Tree struct {
 }
 
 // NewTree return a new Tree
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func NewTree() *Tree {
 	return &Tree{}
 }
 
 // AddTree will add tree to the exist Tree
 // prefix should has no params
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (t *Tree) AddTree(prefix string, tree *Tree) {
 	t.addtree(splitPath(prefix), tree, nil, "")
 }
@@ -200,6 +203,7 @@ func filterTreeWithPrefix(t *Tree, wildcards []string, reg string) {
 }
 
 // AddRouter call addseg function
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (t *Tree) AddRouter(pattern string, runObject interface{}) {
 	t.addseg(splitPath(pattern), runObject, nil, "")
 }
@@ -283,6 +287,7 @@ func (t *Tree) addseg(segments []string, route interface{}, wildcards []string,
 }
 
 // Match router to runObject & params
+// Deprecated: using pkg/, we will delete this in v2.1.0
 func (t *Tree) Match(pattern string, ctx *context.Context) (runObject interface{}) {
 	if len(pattern) == 0 || pattern[0] != '/' {
 		return nil