diff --git a/example/beeapi/controllers/default.go b/example/beeapi/controllers/default.go
index c6e53e74..a2184075 100644
--- a/example/beeapi/controllers/default.go
+++ b/example/beeapi/controllers/default.go
@@ -17,47 +17,47 @@ type ObjectController struct {
 	beego.Controller
 }
 
-func (this *ObjectController) Post() {
+func (o *ObjectController) Post() {
 	var ob models.Object
-	json.Unmarshal(this.Ctx.Input.RequestBody, &ob)
+	json.Unmarshal(o.Ctx.Input.RequestBody, &ob)
 	objectid := models.AddOne(ob)
-	this.Data["json"] = map[string]string{"ObjectId": objectid}
-	this.ServeJson()
+	o.Data["json"] = map[string]string{"ObjectId": objectid}
+	o.ServeJson()
 }
 
-func (this *ObjectController) Get() {
-	objectId := this.Ctx.Input.Params[":objectId"]
+func (o *ObjectController) Get() {
+	objectId := o.Ctx.Input.Params[":objectId"]
 	if objectId != "" {
 		ob, err := models.GetOne(objectId)
 		if err != nil {
-			this.Data["json"] = err
+			o.Data["json"] = err
 		} else {
-			this.Data["json"] = ob
+			o.Data["json"] = ob
 		}
 	} else {
 		obs := models.GetAll()
-		this.Data["json"] = obs
+		o.Data["json"] = obs
 	}
-	this.ServeJson()
+	o.ServeJson()
 }
 
-func (this *ObjectController) Put() {
-	objectId := this.Ctx.Input.Params[":objectId"]
+func (o *ObjectController) Put() {
+	objectId := o.Ctx.Input.Params[":objectId"]
 	var ob models.Object
-	json.Unmarshal(this.Ctx.Input.RequestBody, &ob)
+	json.Unmarshal(o.Ctx.Input.RequestBody, &ob)
 
 	err := models.Update(objectId, ob.Score)
 	if err != nil {
-		this.Data["json"] = err
+		o.Data["json"] = err
 	} else {
-		this.Data["json"] = "update success!"
+		o.Data["json"] = "update success!"
 	}
-	this.ServeJson()
+	o.ServeJson()
 }
 
-func (this *ObjectController) Delete() {
-	objectId := this.Ctx.Input.Params[":objectId"]
+func (o *ObjectController) Delete() {
+	objectId := o.Ctx.Input.Params[":objectId"]
 	models.Delete(objectId)
-	this.Data["json"] = "delete success!"
-	this.ServeJson()
+	o.Data["json"] = "delete success!"
+	o.ServeJson()
 }
diff --git a/example/chat/controllers/default.go b/example/chat/controllers/default.go
index 370e6db1..95ef8a9b 100644
--- a/example/chat/controllers/default.go
+++ b/example/chat/controllers/default.go
@@ -14,7 +14,7 @@ type MainController struct {
 	beego.Controller
 }
 
-func (this *MainController) Get() {
-	this.Data["host"] = this.Ctx.Request.Host
-	this.TplNames = "index.tpl"
+func (m *MainController) Get() {
+	m.Data["host"] = m.Ctx.Request.Host
+	m.TplNames = "index.tpl"
 }
diff --git a/example/chat/controllers/ws.go b/example/chat/controllers/ws.go
index 9ec5b418..fc3917b3 100644
--- a/example/chat/controllers/ws.go
+++ b/example/chat/controllers/ws.go
@@ -154,10 +154,10 @@ var upgrader = websocket.Upgrader{
 	WriteBufferSize: 1024,
 }
 
-func (this *WSController) Get() {
-	ws, err := upgrader.Upgrade(this.Ctx.ResponseWriter, this.Ctx.Request, nil)
+func (w *WSController) Get() {
+	ws, err := upgrader.Upgrade(w.Ctx.ResponseWriter, w.Ctx.Request, nil)
 	if _, ok := err.(websocket.HandshakeError); ok {
-		http.Error(this.Ctx.ResponseWriter, "Not a websocket handshake", 400)
+		http.Error(w.Ctx.ResponseWriter, "Not a websocket handshake", 400)
 		return
 	} else if err != nil {
 		return
diff --git a/flash_test.go b/flash_test.go
index 7c581e6a..b655f552 100644
--- a/flash_test.go
+++ b/flash_test.go
@@ -25,12 +25,12 @@ type TestFlashController struct {
 	Controller
 }
 
-func (this *TestFlashController) TestWriteFlash() {
+func (t *TestFlashController) TestWriteFlash() {
 	flash := NewFlash()
 	flash.Notice("TestFlashString")
-	flash.Store(&this.Controller)
+	flash.Store(&t.Controller)
 	// we choose to serve json because we don't want to load a template html file
-	this.ServeJson(true)
+	t.ServeJson(true)
 }
 
 func TestFlashHeader(t *testing.T) {
diff --git a/router_test.go b/router_test.go
index c64bb191..ee712167 100644
--- a/router_test.go
+++ b/router_test.go
@@ -27,33 +27,33 @@ type TestController struct {
 	Controller
 }
 
-func (this *TestController) Get() {
-	this.Data["Username"] = "astaxie"
-	this.Ctx.Output.Body([]byte("ok"))
+func (tc *TestController) Get() {
+	tc.Data["Username"] = "astaxie"
+	tc.Ctx.Output.Body([]byte("ok"))
 }
 
-func (this *TestController) Post() {
-	this.Ctx.Output.Body([]byte(this.Ctx.Input.Query(":name")))
+func (tc *TestController) Post() {
+	tc.Ctx.Output.Body([]byte(tc.Ctx.Input.Query(":name")))
 }
 
-func (this *TestController) Param() {
-	this.Ctx.Output.Body([]byte(this.Ctx.Input.Query(":name")))
+func (tc *TestController) Param() {
+	tc.Ctx.Output.Body([]byte(tc.Ctx.Input.Query(":name")))
 }
 
-func (this *TestController) List() {
-	this.Ctx.Output.Body([]byte("i am list"))
+func (tc *TestController) List() {
+	tc.Ctx.Output.Body([]byte("i am list"))
 }
 
-func (this *TestController) Params() {
-	this.Ctx.Output.Body([]byte(this.Ctx.Input.Params["0"] + this.Ctx.Input.Params["1"] + this.Ctx.Input.Params["2"]))
+func (tc *TestController) Params() {
+	tc.Ctx.Output.Body([]byte(tc.Ctx.Input.Params["0"] + tc.Ctx.Input.Params["1"] + tc.Ctx.Input.Params["2"]))
 }
 
-func (this *TestController) Myext() {
-	this.Ctx.Output.Body([]byte(this.Ctx.Input.Param(":ext")))
+func (tc *TestController) Myext() {
+	tc.Ctx.Output.Body([]byte(tc.Ctx.Input.Param(":ext")))
 }
 
-func (this *TestController) GetUrl() {
-	this.Ctx.Output.Body([]byte(this.UrlFor(".Myext")))
+func (tc *TestController) GetUrl() {
+	tc.Ctx.Output.Body([]byte(tc.UrlFor(".Myext")))
 }
 
 func (t *TestController) GetParams() {