diff --git a/default.nix b/default.nix
index 46795e7..2731ad0 100644
--- a/default.nix
+++ b/default.nix
@@ -27,6 +27,7 @@
     pkgs.callPackage ./pkgs/wechat_dev_tools_appimage { };
   wechat_dev_tools_deb = pkgs.callPackage ./pkgs/wechat_dev_tools_deb { };
   qtscrcpy = pkgs.libsForQt5.callPackage ./pkgs/qtscrcpy { };
+  waybar-bluetooth_battery_parse = pkgs.callPackage ./pkgs/waybar-bluetooth_battery_parse { };
   # some-qt5-package = pkgs.libsForQt5.callPackage ./pkgs/some-qt5-package { };
   # ...
 }
diff --git a/pkgs/waybar-bluetooth_battery_parse/default.nix b/pkgs/waybar-bluetooth_battery_parse/default.nix
new file mode 100644
index 0000000..ee6f0e8
--- /dev/null
+++ b/pkgs/waybar-bluetooth_battery_parse/default.nix
@@ -0,0 +1 @@
+import ./waybar-bluetooth_battery_parse.nix
diff --git a/pkgs/waybar-bluetooth_battery_parse/waybar-bluetooth_battery_parse.nix b/pkgs/waybar-bluetooth_battery_parse/waybar-bluetooth_battery_parse.nix
new file mode 100644
index 0000000..0b8170b
--- /dev/null
+++ b/pkgs/waybar-bluetooth_battery_parse/waybar-bluetooth_battery_parse.nix
@@ -0,0 +1,43 @@
+# When you use pkgs.callPackage, parameters here will be filled with packages from Nixpkgs (if there's a match)
+{ lib
+, stdenv
+, fetchFromGitHub
+, cmake
+, ...
+} @ args:
+
+stdenv.mkDerivation rec {
+  # Specify package name and version
+  pname = "waybar-bluetooth_battery_parse";
+  version = "0.0.1";
+
+  # Download source code from GitHub
+  src = fetchFromGitHub ({
+    owner = "Program-Learning";
+    repo = "waybar-bluetooth_battery_parse";
+    # Commit or tag, note that fetchFromGitHub cannot follow a branch!
+    # rev = "0.7.1";
+    # Download git submodules, most packages don't need this
+    fetchSubmodules = false;
+    # Don't know how to calculate the SHA256 here? Comment it out and build the package
+    # Nix will raise an error and show the correct hash
+    sha256 = "sha256-m20M4+3zsH40hTpMJG9cyIjXp0xcCUBS+cCiRVLXFqM=";
+  });
+
+  # Parallel building, drastically speeds up packaging, enabled by default.
+  # You only want to turn this off for one of the rare packages that fails with this.
+  enableParallelBuilding = true;
+  # If you encounter some weird error when packaging CMake-based software, try enabling this
+  # This disables some automatic fixes applied to CMake-based software
+  dontFixCmake = true;
+
+  # Add CMake to the building environment, to generate Makefile with it
+  nativeBuildInputs = [ cmake ];
+
+  # Arguments to CMake that controls functionalities of liboqs
+  cmakeFlags = [
+    "-DBUILD_SHARED_LIBS=ON"
+  ];
+
+  # stdenv.mkDerivation automatically does the rest for you
+}
\ No newline at end of file