diff --git a/beego.go b/beego.go
index 99bffbc9..c196934c 100644
--- a/beego.go
+++ b/beego.go
@@ -1,127 +1,127 @@
-package beego
-
-import (
-	"fmt"
-	"net/http"
-	"os"
-	"path"
-)
-
-var (
-	BeeApp       *App
-	AppName      string
-	AppPath      string
-	StaticDir    map[string]string
-	HttpAddr     string
-	HttpPort     int
-	RecoverPanic bool
-	AutoRender   bool
-	ViewsPath    string
-	RunMode      string //"dev" or "prod"
-	AppConfig    *Config
-)
-
-func init() {
-	BeeApp = NewApp()
-	AppPath, _ = os.Getwd()
-	StaticDir = make(map[string]string)
-	var err error
-	AppConfig, err = LoadConfig(path.Join(AppPath, "conf", "app.conf"))
-	if err != nil {
-		//Trace("open Config err:", err)
-		HttpAddr = ""
-		HttpPort = 8080
-		AppName = "beego"
-		RunMode = "prod"
-		AutoRender = true
-		RecoverPanic = true
-		ViewsPath = "views"
-	} else {
-		HttpAddr = AppConfig.String("httpaddr")
-		if v, err := AppConfig.Int("httpport"); err != nil {
-			HttpPort = 8080
-		} else {
-			HttpPort = v
-		}
-		AppName = AppConfig.String("appname")
-		if runmode := AppConfig.String("runmode"); runmode != "" {
-			RunMode = runmode
-		} else {
-			RunMode = "prod"
-		}
-		if ar, err := AppConfig.Bool("autorender"); err != nil {
-			AutoRender = true
-		} else {
-			AutoRender = ar
-		}
-		if ar, err := AppConfig.Bool("autorecover"); err != nil {
-			RecoverPanic = true
-		} else {
-			RecoverPanic = ar
-		}
-		if views := AppConfig.String("viewspath"); views == "" {
-			ViewsPath = "views"
-		} else {
-			ViewsPath = views
-		}
-	}
-	StaticDir["/static"] = "static"
-
-}
-
-type App struct {
-	Handlers *ControllerRegistor
-}
-
-// New returns a new PatternServeMux.
-func NewApp() *App {
-	cr := NewControllerRegistor()
-	app := &App{Handlers: cr}
-	return app
-}
-
-func (app *App) Run() {
-	addr := fmt.Sprintf("%s:%d", HttpAddr, HttpPort)
-	err := http.ListenAndServe(addr, app.Handlers)
-	if err != nil {
-		BeeLogger.Fatal("ListenAndServe: ", err)
-	}
-}
-
-func (app *App) RegisterController(path string, c ControllerInterface) *App {
-	app.Handlers.Add(path, c)
-	return app
-}
-
-func (app *App) Filter(filter http.HandlerFunc) *App {
-	app.Handlers.Filter(filter)
-	return app
-}
-
-func (app *App) FilterParam(param string, filter http.HandlerFunc) *App {
-	app.Handlers.FilterParam(param, filter)
-	return app
-}
-
-func (app *App) FilterPrefixPath(path string, filter http.HandlerFunc) *App {
-	app.Handlers.FilterParam(path, filter)
-	return app
-}
-
-func (app *App) SetViewsPath(path string) *App {
-	ViewsPath = path
-	return app
-}
-
-func (app *App) SetStaticPath(url string, path string) *App {
-	StaticDir[url] = path
-	return app
-}
-
-func (app *App) ErrorLog(ctx *Context) {
-	BeeLogger.Printf("[ERR] host: '%s', request: '%s %s', proto: '%s', ua: '%s', remote: '%s'\n", ctx.Request.Host, ctx.Request.Method, ctx.Request.URL.Path, ctx.Request.Proto, ctx.Request.UserAgent(), ctx.Request.RemoteAddr)
-}
-
-func (app *App) AccessLog(ctx *Context) {
-	BeeLogger.Printf("[ACC] host: '%s', request: '%s %s', proto: '%s', ua: %s'', remote: '%s'\n", ctx.Request.Host, ctx.Request.Method, ctx.Request.URL.Path, ctx.Request.Proto, ctx.Request.UserAgent(), ctx.Request.RemoteAddr)
-}
+package beego
+
+import (
+	"fmt"
+	"net/http"
+	"os"
+	"path"
+)
+
+var (
+	BeeApp       *App
+	AppName      string
+	AppPath      string
+	StaticDir    map[string]string
+	HttpAddr     string
+	HttpPort     int
+	RecoverPanic bool
+	AutoRender   bool
+	ViewsPath    string
+	RunMode      string //"dev" or "prod"
+	AppConfig    *Config
+)
+
+func init() {
+	BeeApp = NewApp()
+	AppPath, _ = os.Getwd()
+	StaticDir = make(map[string]string)
+	var err error
+	AppConfig, err = LoadConfig(path.Join(AppPath, "conf", "app.conf"))
+	if err != nil {
+		//Trace("open Config err:", err)
+		HttpAddr = ""
+		HttpPort = 8080
+		AppName = "beego"
+		RunMode = "prod" //default runmod
+		AutoRender = true
+		RecoverPanic = true
+		ViewsPath = "views"
+	} else {
+		HttpAddr = AppConfig.String("httpaddr")
+		if v, err := AppConfig.Int("httpport"); err != nil {
+			HttpPort = 8080
+		} else {
+			HttpPort = v
+		}
+		AppName = AppConfig.String("appname")
+		if runmode := AppConfig.String("runmode"); runmode != "" {
+			RunMode = runmode
+		} else {
+			RunMode = "prod"
+		}
+		if ar, err := AppConfig.Bool("autorender"); err != nil {
+			AutoRender = true
+		} else {
+			AutoRender = ar
+		}
+		if ar, err := AppConfig.Bool("autorecover"); err != nil {
+			RecoverPanic = true
+		} else {
+			RecoverPanic = ar
+		}
+		if views := AppConfig.String("viewspath"); views == "" {
+			ViewsPath = "views"
+		} else {
+			ViewsPath = views
+		}
+	}
+	StaticDir["/static"] = "static"
+
+}
+
+type App struct {
+	Handlers *ControllerRegistor
+}
+
+// New returns a new PatternServeMux.
+func NewApp() *App {
+	cr := NewControllerRegistor()
+	app := &App{Handlers: cr}
+	return app
+}
+
+func (app *App) Run() {
+	addr := fmt.Sprintf("%s:%d", HttpAddr, HttpPort)
+	err := http.ListenAndServe(addr, app.Handlers)
+	if err != nil {
+		BeeLogger.Fatal("ListenAndServe: ", err)
+	}
+}
+
+func (app *App) RegisterController(path string, c ControllerInterface) *App {
+	app.Handlers.Add(path, c)
+	return app
+}
+
+func (app *App) Filter(filter http.HandlerFunc) *App {
+	app.Handlers.Filter(filter)
+	return app
+}
+
+func (app *App) FilterParam(param string, filter http.HandlerFunc) *App {
+	app.Handlers.FilterParam(param, filter)
+	return app
+}
+
+func (app *App) FilterPrefixPath(path string, filter http.HandlerFunc) *App {
+	app.Handlers.FilterParam(path, filter)
+	return app
+}
+
+func (app *App) SetViewsPath(path string) *App {
+	ViewsPath = path
+	return app
+}
+
+func (app *App) SetStaticPath(url string, path string) *App {
+	StaticDir[url] = path
+	return app
+}
+
+func (app *App) ErrorLog(ctx *Context) {
+	BeeLogger.Printf("[ERR] host: '%s', request: '%s %s', proto: '%s', ua: '%s', remote: '%s'\n", ctx.Request.Host, ctx.Request.Method, ctx.Request.URL.Path, ctx.Request.Proto, ctx.Request.UserAgent(), ctx.Request.RemoteAddr)
+}
+
+func (app *App) AccessLog(ctx *Context) {
+	BeeLogger.Printf("[ACC] host: '%s', request: '%s %s', proto: '%s', ua: %s'', remote: '%s'\n", ctx.Request.Host, ctx.Request.Method, ctx.Request.URL.Path, ctx.Request.Proto, ctx.Request.UserAgent(), ctx.Request.RemoteAddr)
+}