diff --git a/flake.lock b/flake.lock
index c7d3a04f..62273058 100644
--- a/flake.lock
+++ b/flake.lock
@@ -54,6 +54,22 @@
         "url": "https://flakehub.com/f/zhaofengli/attic/0.1.%2A.tar.gz"
       }
     },
+    "biu": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1711969538,
+        "narHash": "sha256-wGw+f7okXUDueWrUjRVqPb3Kx/OwIP8xrfvYRXbrAww=",
+        "owner": "CHN-beta",
+        "repo": "biu",
+        "rev": "dbdc36394271f859f25cabaceed971898741a1c6",
+        "type": "github"
+      },
+      "original": {
+        "owner": "CHN-beta",
+        "repo": "biu",
+        "type": "github"
+      }
+    },
     "blurred-wallpaper": {
       "flake": false,
       "locked": {
@@ -1937,6 +1953,7 @@
     "root": {
       "inputs": {
         "aagl": "aagl",
+        "biu": "biu",
         "blurred-wallpaper": "blurred-wallpaper",
         "chaotic": "chaotic",
         "citation-style-language": "citation-style-language",
diff --git a/flake.nix b/flake.nix
index e0f135a2..fa11c1ed 100644
--- a/flake.nix
+++ b/flake.nix
@@ -68,6 +68,7 @@
     lmod = { url = "github:TACC/Lmod"; flake = false; };
     mumax = { url = "github:CHN-beta/mumax"; flake = false; };
     kylin-virtual-keyboard = { url = "git+https://gitee.com/openkylin/kylin-virtual-keyboard.git"; flake = false; };
+    biu = { url = "github:CHN-beta/biu"; flake = false; };
   };
 
   outputs = inputs:
diff --git a/local/pkgs/biu/default.nix b/local/pkgs/biu/default.nix
deleted file mode 100644
index 480bef50..00000000
--- a/local/pkgs/biu/default.nix
+++ /dev/null
@@ -1,17 +0,0 @@
-{
-  stdenv, fetchFromGitHub, cmake, pkg-config, ninja,
-  fmt, boost, magic-enum, libbacktrace, concurrencpp, tgbot-cpp, nameof, eigen, range-v3
-}: stdenv.mkDerivation rec
-{
-  name = "libbiu";
-  src = fetchFromGitHub
-  {
-    owner = "CHN-beta";
-    repo = "biu";
-    rev = "8ed2e52968f98d3a6ddbd01e86e57604ba3a7f54";
-    sha256 = "OqQ+QkjjIbpve/xn/DJA7ONw/bBg5zGNr+VJjc3o+K8=";
-  };
-  nativeBuildInputs = [ cmake pkg-config ninja ];
-  buildInputs = [ fmt boost magic-enum libbacktrace concurrencpp tgbot-cpp nameof eigen range-v3 ];
-  propagatedBuildInputs = buildInputs;
-}
diff --git a/local/pkgs/default.nix b/local/pkgs/default.nix
index 13412dec..f76ca1a2 100644
--- a/local/pkgs/default.nix
+++ b/local/pkgs/default.nix
@@ -20,7 +20,6 @@ inputs: rec
   chromiumos-touch-keyboard = inputs.pkgs.callPackage ./chromiumos-touch-keyboard {};
   yoga-support = inputs.pkgs.callPackage ./yoga-support {};
   tgbot-cpp = inputs.pkgs.callPackage ./tgbot-cpp { src = inputs.topInputs.tgbot-cpp; };
-  biu = inputs.pkgs.callPackage ./biu { inherit concurrencpp tgbot-cpp nameof; stdenv = inputs.pkgs.gcc13Stdenv; };
   citation-style-language = inputs.pkgs.callPackage ./citation-style-language
     { src = inputs.topInputs.citation-style-language; };
   mirism = inputs.pkgs.callPackage ./mirism
@@ -81,6 +80,7 @@ inputs: rec
   aocl = inputs.pkgs.callPackage ./aocl {};
   kylin-virtual-keyboard = inputs.pkgs.libsForQt5.callPackage ./kylin-virtual-keyboard
     { src = inputs.topInputs.kylin-virtual-keyboard; };
+  biu = inputs.pkgs.callPackage inputs.topInputs.biu { inherit nameof; };
 
   fromYaml = content: builtins.fromJSON (builtins.readFile
     (inputs.pkgs.runCommand "toJSON" {}
diff --git a/modules/packages/server/default.nix b/modules/packages/server/default.nix
index a221b171..ad25b30e 100644
--- a/modules/packages/server/default.nix
+++ b/modules/packages/server/default.nix
@@ -48,7 +48,7 @@ inputs:
             nodejs
             # library
             fmt fmt.dev localPackages.nameof localPackages.matplotplusplus highfive hdf5 hdf5.dev
-            localPackages.concurrencpp
+            localPackages.concurrencpp localPackages.biu localPackages.magik-enum
             (
               runCommand "concurrencpp" {}
                 "mkdir $out; ln -s ${localPackages.concurrencpp}/include/concurrencpp-* $out/include"