diff --git a/libs/pyglet_rs/README.md b/libs/pyglet_rs/README.md
index f92ee29..2a128c6 100644
--- a/libs/pyglet_rs/README.md
+++ b/libs/pyglet_rs/README.md
@@ -22,3 +22,21 @@ pyglet_rs.patch_sprite()
 import pyglet
 ...
 ```
+
+## how to build
+
+```powershell
+cd src
+./build.ps1
+```
+
+## roadmap
+
+- [ ] `pyglet.sprite.Sprite` patch (doing)
+
+- [ ] `pyglet.math.Vec2` patch
+- [ ] `pyglet.math.Vec3` patch
+- [ ] `pyglet.math.Vec4` patch
+- [ ] `pyglet.math.Mat3(tuple)` patch
+- [ ] `pyglet.math.Mat4(tuple)` patch
+
diff --git a/libs/pyglet_rs/src/src/lib.rs b/libs/pyglet_rs/src/src/lib.rs
index 1e4469b..8d7d1a9 100644
--- a/libs/pyglet_rs/src/src/lib.rs
+++ b/libs/pyglet_rs/src/src/lib.rs
@@ -6,6 +6,7 @@
  * -------------------------------
  */
 
+mod math;
 mod sprite;
 
 use pyo3::prelude::*;
diff --git a/libs/pyglet_rs/src/src/math.rs b/libs/pyglet_rs/src/src/math.rs
new file mode 100644
index 0000000..f8cf460
--- /dev/null
+++ b/libs/pyglet_rs/src/src/math.rs
@@ -0,0 +1,8 @@
+/*
+ * -------------------------------
+ * Difficult Rocket
+ * Copyright © 2020-2023 by shenjackyuanjie 3695888@qq.com
+ * All rights reserved
+ * -------------------------------
+ */
+