diff --git a/flake/packages.nix b/flake/packages.nix
index 106adcf6..cb60401f 100644
--- a/flake/packages.nix
+++ b/flake/packages.nix
@@ -11,8 +11,16 @@
       openssh = (pkgs.pkgsStatic.openssh.override { withLdns = false; etcDir = null; }).overrideAttrs
         (prev: { doCheck = false; patches = prev.patches ++ [ ../packages/hpcstat/openssh.patch ];});
       duc = pkgs.pkgsStatic.duc.override { enableCairo = false; cairo = null; pango = null; };
+      # pkgsStatic.clangStdenv have a bug
+      # https://github.com/NixOS/nixpkgs/issues/177129
+      biu = pkgs.pkgsStatic.localPackages.biu.override { stdenv = pkgs.pkgsStatic.gcc14Stdenv; };
     in pkgs.pkgsStatic.localPackages.hpcstat.override
-      { inherit openssh duc; standalone = true; version = inputs.self.rev or "dirty"; };
+    {
+      inherit openssh duc biu;
+      standalone = true;
+      version = inputs.self.rev or "dirty";
+      stdenv = pkgs.pkgsStatic.gcc14Stdenv;
+    };
   chn-bsub = pkgs.pkgsStatic.localPackages.chn-bsub;
   blog = pkgs.callPackage inputs.blog { inherit (inputs) hextra; };
 }
diff --git a/packages/biu/test/serialize.cpp b/packages/biu/test/serialize.cpp
index 001abb4d..b8b0ef5a 100644
--- a/packages/biu/test/serialize.cpp
+++ b/packages/biu/test/serialize.cpp
@@ -2,6 +2,7 @@
 
 int main()
 {
+  using namespace biu::literals;
   struct student
   {
     int number;
diff --git a/packages/hpcstat/CMakeLists.txt b/packages/hpcstat/CMakeLists.txt
index 0f082ac7..bfdf4cca 100644
--- a/packages/hpcstat/CMakeLists.txt
+++ b/packages/hpcstat/CMakeLists.txt
@@ -12,10 +12,9 @@ endif()
 
 set(HPCSTAT_VERSION "unknown" CACHE STRING "Version of the hpcstat")
 
-find_package(Boost REQUIRED COMPONENTS headers filesystem)
+find_package(Boost REQUIRED COMPONENTS url)
 find_package(SqliteOrm REQUIRED)
 find_package(nlohmann_json REQUIRED)
-find_package(range-v3 REQUIRED)
 find_package(date REQUIRED)
 find_package(httplib REQUIRED)
 find_package(termcolor REQUIRED)
@@ -27,9 +26,8 @@ add_executable(hpcstat src/main.cpp src/env.cpp src/keys.cpp src/ssh.cpp src/sql
 # target_compile_features(hpcstat PRIVATE cxx_std_26)
 target_compile_options(hpcstat PRIVATE "-std=c++26")
 target_include_directories(hpcstat PRIVATE ${PROJECT_SOURCE_DIR}/include)
-target_link_libraries(hpcstat PRIVATE Boost::headers Boost::filesystem sqlite_orm::sqlite_orm
-  nlohmann_json::nlohmann_json range-v3::range-v3 date::date date::date-tz httplib::httplib
-  termcolor::termcolor biu::biu OpenXLSX::OpenXLSX)
+target_link_libraries(hpcstat PRIVATE Boost::url sqlite_orm::sqlite_orm nlohmann_json::nlohmann_json date::date
+  date::date-tz httplib::httplib termcolor::termcolor biu::biu OpenXLSX::OpenXLSX)
 target_compile_definitions(hpcstat PRIVATE HPCSTAT_VERSION="${HPCSTAT_VERSION}")
 
 install(TARGETS hpcstat RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
diff --git a/packages/hpcstat/src/main.cpp b/packages/hpcstat/src/main.cpp
index 2dd870de..0dced2ec 100644
--- a/packages/hpcstat/src/main.cpp
+++ b/packages/hpcstat/src/main.cpp
@@ -53,23 +53,20 @@ int main(int argc, const char** argv)
             double percent = disk_stat->Total / 800 * 100;
             auto color = percent > 95 ? termcolor::red<char> :
               percent > 80 ? termcolor::yellow<char> : termcolor::green<char>;
-            auto bgcolor = percent > 95 ? termcolor::on_red<char> :
-              percent > 80 ? termcolor::on_yellow<char> : termcolor::on_green<char>;
-            std::cout
-              << color << "disk usage: " << termcolor::reset
-              << bgcolor << termcolor::white
-                << "{:.1f}% ({:.1f}GB / ~800GB)"_f(percent, disk_stat->Total) << termcolor::reset
-              << color << " (estimated, counted at {})\n"_f(disk_stat->Time) << termcolor::reset;
+            // 设置背景色后有时会难以辨认，因此只设置前景色
+            std::cout << color
+              << "disk usage: {:.1f}% ({:.1f}GB / ~800GB) (estimated, counted at {})\n"_f
+                (percent, disk_stat->Total, disk_stat->Time);
             if (percent > 80)
             {
-              std::cout << color << "Top 3 directories owned by teacher:\n";
+              std::cout << "Top 3 directories owned by teacher:\n";
               for (auto& [name, size] : disk_stat->Teacher | ranges::views::take(3))
                 std::cout << "  {:.1f}GB {}\n"_f(size, name);
-              std::cout << color << "Top 3 directories owned by student:\n";
+              std::cout << "Top 3 directories owned by student:\n";
               for (auto& [name, size] : disk_stat->Student | ranges::views::take(3))
                 std::cout << "  {:.1f}GB {}\n"_f(size, name);
-              std::cout << termcolor::reset;
             }
+            std::cout << termcolor::reset;
           }
         }
       }