diff --git a/README.md b/README.md
index f45b801..906648d 100644
--- a/README.md
+++ b/README.md
@@ -12,6 +12,18 @@ The goal is to demonstrate the Go language with a fun and very nostalgic example
 
 In this example, we used the [Ebitengine](https://ebitengine.org), an incredibly easy-to-use gaming library with a vibrant community.
 
+## How to run
+
+Note that some operating systems may restrict the execution of binaries downloaded from the internet for security reasons. Please consult your operating system documentation to learn how to enable Neko to run.
+
+## Parameters
+
+- `-speed` The speed of the cat (default 2).
+- `-scale` The scale of the cat on the screen (default 2.0).
+- `-quiet` Disable sound.
+- `-h` Show help.
+
+
 ## How to Contribute
 
 
diff --git a/go.mod b/go.mod
index 6f489b2..d8b8dcb 100644
--- a/go.mod
+++ b/go.mod
@@ -1,10 +1,10 @@
-module crg.eti.br/go/neko
+module neko
 
 go 1.22
 
 require (
 	crg.eti.br/go/config v1.5.0
-	github.com/hajimehoshi/ebiten/v2 v2.7.1-0.20240406132856-3136de4958eb
+	github.com/hajimehoshi/ebiten/v2 v2.7.1
 )
 
 require (
@@ -12,7 +12,7 @@ require (
 	github.com/ebitengine/gomobile v0.0.0-20240329170434-1771503ff0a8 // indirect
 	github.com/ebitengine/hideconsole v1.0.0 // indirect
 	github.com/ebitengine/oto/v3 v3.2.0 // indirect
-	github.com/ebitengine/purego v0.7.0 // indirect
+	github.com/ebitengine/purego v0.7.1 // indirect
 	github.com/jezek/xgb v1.1.1 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	golang.org/x/sync v0.7.0 // indirect
diff --git a/go.sum b/go.sum
index 36b74a0..6d2cc7e 100644
--- a/go.sum
+++ b/go.sum
@@ -10,8 +10,14 @@ github.com/ebitengine/oto/v3 v3.2.0 h1:FuggTJTSI3/3hEYwZEIN0CZVXYT29ZOdCu+z/f4Qj
 github.com/ebitengine/oto/v3 v3.2.0/go.mod h1:dOKXShvy1EQbIXhXPFcKLargdnFqH0RjptecvyAxhyw=
 github.com/ebitengine/purego v0.7.0 h1:HPZpl61edMGCEW6XK2nsR6+7AnJ3unUxpTZBkkIXnMc=
 github.com/ebitengine/purego v0.7.0/go.mod h1:ah1In8AOtksoNK6yk5z1HTJeUkC1Ez4Wk2idgGslMwQ=
+github.com/ebitengine/purego v0.7.1 h1:6/55d26lG3o9VCZX8lping+bZcmShseiqlh2bnUDiPA=
+github.com/ebitengine/purego v0.7.1/go.mod h1:ah1In8AOtksoNK6yk5z1HTJeUkC1Ez4Wk2idgGslMwQ=
 github.com/hajimehoshi/ebiten/v2 v2.7.1-0.20240406132856-3136de4958eb h1:ZDRMN3LJuHmaU2I7GmfPJBr2Ikeba5Akw7JcQICHNJ8=
 github.com/hajimehoshi/ebiten/v2 v2.7.1-0.20240406132856-3136de4958eb/go.mod h1:1vjyPw+h3n30rfTOpIsbWRXSxZ0Oz1cYc6Tq/2DKoQg=
+github.com/hajimehoshi/ebiten/v2 v2.7.1-0.20240406175607-4d268f5ce44b h1:Iit6TJ88TLW2W/zphVzUldjw2MUxm7Why52x5Kyqtss=
+github.com/hajimehoshi/ebiten/v2 v2.7.1-0.20240406175607-4d268f5ce44b/go.mod h1:1vjyPw+h3n30rfTOpIsbWRXSxZ0Oz1cYc6Tq/2DKoQg=
+github.com/hajimehoshi/ebiten/v2 v2.7.1 h1:v/t/IeQxd2eTtZ0QjJsUKL/fiGNeF64tYXjXbyJehzQ=
+github.com/hajimehoshi/ebiten/v2 v2.7.1/go.mod h1:1vjyPw+h3n30rfTOpIsbWRXSxZ0Oz1cYc6Tq/2DKoQg=
 github.com/jezek/xgb v1.1.1 h1:bE/r8ZZtSv7l9gk6nU0mYx51aXrvnyb44892TwSaqS4=
 github.com/jezek/xgb v1.1.1/go.mod h1:nrhwO0FX/enq75I7Y7G8iN1ubpSGZEiA3v9e9GyRFlk=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
diff --git a/main.go b/main.go
index 9c50389..44ae1a0 100644
--- a/main.go
+++ b/main.go
@@ -48,6 +48,7 @@ const (
 )
 
 var (
+	loaded  = false
 	mSprite map[string]*ebiten.Image
 	mSound  map[string][]byte
 
@@ -77,8 +78,6 @@ func playSound(sound []byte) {
 	currentplayer.Play()
 }
 
-var loaded = false
-
 func (m *neko) Update() error {
 	m.count++
 	if m.state == 10 && m.count == m.min {
@@ -89,7 +88,6 @@ func (m *neko) Update() error {
 	m.x = max(0, min(m.x, monitorWidth))
 	m.y = max(0, min(m.y, monitorHeight))
 	ebiten.SetWindowPosition(m.x, m.y)
-	ebiten.SetWindowFloating(true)
 
 	mx, my := ebiten.CursorPosition()
 	x := mx - (height / 2)