diff --git a/flake.nix b/flake.nix
index 136430f..6eb9779 100644
--- a/flake.nix
+++ b/flake.nix
@@ -4,7 +4,7 @@
     nixConfig = {
         auto-optimise-store = true;
         experimental-features = [ "nix-command" "flakes" ];
-        substituters = [ 
+        trusted-substituters = [ 
             "https://mirrors.ustc.edu.cn/nix-channels/store"            # 中科大
             "https://mirrors.tuna.tsinghua.edu.cn/nix-channels/store"   # 清华
             "https://mirrors.bfsu.edu.cn/nix-channels/store"            # 北外