diff --git a/pyproject.toml b/pyproject.toml
index 4eb0eef..f89e4b6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -64,3 +64,7 @@ exclude_lines = [
     "if TYPE_CHECKING:",
     "@abstractmethod",
 ]
+
+[[tool.uv.index]]
+url = "https://pypi.tuna.tsinghua.edu.cn/simple"
+default = true
\ No newline at end of file