diff --git a/README.md b/README.md
index 7307c9c..feadf8f 100644
--- a/README.md
+++ b/README.md
@@ -34,4 +34,7 @@ result := quadTree.Search(x, y)
 Implement additional commonly used AOI algorithms:
 - R-树 (R-tree)
 - 六边形网格 (Hexagonal Grid)
-- 基于事件的算法 (Event-driven Approaches)
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+- 基于事件的算法 (Event-driven Approaches)
+
+## License
+This AOI Library is licensed under the MIT License.
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