方法适用的参数太多:(）play.api.templates.HtmlFormat.Appendable in object list

Question

档案：Controllers -> Product.scala

    object Products extends Controller {
      def list = Action { implicit request =>
        val products = Product.findAll
        Ok(views.html.products.list(products)) 

投掷错误

  太多了           方法的参数适用:(）play.api.templates.HtmlFormat.Appendable            在对象列表中

档案：views->products->list.scala.html

     @(products: List[Product])(implicit lang: Lang)
     @main(Messages("application.name")) {
     <dl class="products">

档案：model->Product.scala

     case class Product(                                     // MODEL CLASS
                ean: Long, name: String, description: String)
     object Product {                  // DAO :
      var products = Set(
       Product(5010255079763L, "Paperclips Large",
      "Large Plain Pack of 1000"),
       Product(5018206244666L, "Giant Paperclips",
      "Giant Plain 51mm 100 pack"),
       Product(5018306332812L, "Paperclip Giant Plain",
       "Giant Plain Pack of 10000"),
       Product(5018306312913L, "No Tear Paper Clip",
       "No Tear Extra Large Pack of 1000"),
      Product(5018206244611L, "Zebra Paperclips",
       "Zebra Length 28mm Assorted 150 Pack")
           )
           def findAll = products.toList.sortBy(_.ean) 

档案：routes

 GET     /products                       controllers.Products.list

太多参数的抛出错误