diff --git a/files/uv.toml b/files/uv.toml
index 48ef6b4..58f2952 100644
--- a/files/uv.toml
+++ b/files/uv.toml
@@ -1,3 +1,3 @@
-[index]
+[[index]]
 url = "https://pypi.tuna.tsinghua.edu.cn/simple"
 default = true