diff --git a/README.md b/README.md
index 6f11a3f..b918c5d 100644
--- a/README.md
+++ b/README.md
@@ -10,3 +10,7 @@ void draw_imgui(float delta_time); // 执行imgui绘制(在tick_imgui之后执
 * [X] Windows
 * [X] MacOS
 * [ ] Linux
+
+TODO:
+
+1. [ ] 当程序位于后台时停止渲染