diff --git a/home/base/server/pip.nix b/home/base/server/pip.nix
index 39177f73..3c8a0887 100644
--- a/home/base/server/pip.nix
+++ b/home/base/server/pip.nix
@@ -2,7 +2,7 @@ _: {
   # use mirror for pip install
   xdg.configFile."pip/pip.conf".text = ''
     [global]
-    index-url = https://mirror.sjtu.edu.cn/pypi/web/simple
+    index-url = https://mirrors.ustc.edu.cn/pypi/web/simple
     format = columns
   '';