add m.NotFound handler

routers/dashboard.go

@@ -20,5 +20,12 @@ func Home(ctx *middleware.Context) {
 
 func Help(ctx *middleware.Context) {
 	ctx.Data["PageIsHelp"] = true
+	ctx.Data["Title"] = "Help"
 	ctx.HTML(200, "help")
 }
+
+func NotFound(ctx *middleware.Context) {
+	ctx.Data["PageIsNotFound"] = true
+	ctx.Data["Title"] = 404
+	ctx.Handle(404, "home.NotFound", nil)
+}

web.go

@@ -163,6 +163,9 @@ func runWeb(*cli.Context) {
 		m.Get("/template/**", dev.TemplatePreview)
 	}
 
+	// not found handler
+	m.NotFound(routers.NotFound)
+
 	listenAddr := fmt.Sprintf("%s:%s",
 		base.Cfg.MustValue("server", "HTTP_ADDR"),
 		base.Cfg.MustValue("server", "HTTP_PORT", "3000"))