diff --git a/pyproject.toml b/pyproject.toml
index 2263f86..b3ff135 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,3 +13,6 @@ dependencies = [
     "pymilvus>=2.5.6",
     "uvicorn>=0.34.0",
 ]
+[[tool.uv.index]] 
+url = "https://pypi.tuna.tsinghua.edu.cn/simple" 
+default = true