change this to short name

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"
 }