diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 3648d9f..759cd6e 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -75,9 +75,11 @@ jobs:
         include:
           - arch: amd64
             deb_arch: amd64
+            electron_app_dir: release/linux-unpacked
             runner: ubuntu-24.04
           - arch: arm64
             deb_arch: arm64
+            electron_app_dir: release/linux-arm64-unpacked
             runner: ubuntu-24.04-arm
     runs-on: ${{ matrix.runner }}
     steps:
@@ -101,6 +103,7 @@ jobs:
         env:
           MELOASR_VERSION: ${{ needs.update-flake-lock.outputs.version }}
           MELOASR_DEB_ARCH: ${{ matrix.deb_arch }}
+          MELOASR_ELECTRON_APP_DIR: ${{ matrix.electron_app_dir }}
         run: |
           npm ci
           npm run package:deb
diff --git a/AGENTS.md b/AGENTS.md
index 5246319..b9b6610 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -2,7 +2,7 @@
 
 ## 项目范围
 
-MeloASR 是仅面向 Linux 的 Fcitx5 桌面语音输入工具。项目名为 `MeloASR`，分发包名为 `meloasr`，当前版本为 `0.1.8`。
+MeloASR 是仅面向 Linux 的 Fcitx5 桌面语音输入工具。项目名为 `MeloASR`，分发包名为 `meloasr`，当前版本为 `0.1.9`。
 
 不得恢复 Windows、PowerShell 或 Tauri 输出路径。发行版差异只能存在于依赖说明和打包配置，不能进入语音输入核心逻辑。
 
diff --git a/CHANGELOG.md b/CHANGELOG.md
index f220d2f..10e504f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,14 @@
 
 本项目遵循 [Keep a Changelog](https://keepachangelog.com/zh-CN/1.1.0/) 的格式。
 
+## [0.1.9] - 2026-08-23
+
+### 修复
+
+- 修复 arm64 deb/rpm 构建使用错误 Electron 解包目录的问题。
+- 修复 RPM 打包时 Fcitx5 addon 文件路径校验失败的问题。
+- 修复 Nix 构建错误对项目根目录执行 CMake 配置的问题。
+
 ## [0.1.8] - 2026-08-23
 
 ### 修复
diff --git a/CLAUDE.md b/CLAUDE.md
index 5246319..b9b6610 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -2,7 +2,7 @@
 
 ## 项目范围
 
-MeloASR 是仅面向 Linux 的 Fcitx5 桌面语音输入工具。项目名为 `MeloASR`，分发包名为 `meloasr`，当前版本为 `0.1.8`。
+MeloASR 是仅面向 Linux 的 Fcitx5 桌面语音输入工具。项目名为 `MeloASR`，分发包名为 `meloasr`，当前版本为 `0.1.9`。
 
 不得恢复 Windows、PowerShell 或 Tauri 输出路径。发行版差异只能存在于依赖说明和打包配置，不能进入语音输入核心逻辑。
 
diff --git a/linux/fcitx5/CMakeLists.txt b/linux/fcitx5/CMakeLists.txt
index 476e3b5..38e2420 100644
--- a/linux/fcitx5/CMakeLists.txt
+++ b/linux/fcitx5/CMakeLists.txt
@@ -1,6 +1,6 @@
 cmake_minimum_required(VERSION 3.16)
 
-project(meloasr-fcitx5 VERSION 0.1.8 LANGUAGES CXX)
+project(meloasr-fcitx5 VERSION 0.1.9 LANGUAGES CXX)
 
 include(GNUInstallDirs)
 include(CTest)
diff --git a/linux/fcitx5/meloasr.conf.in b/linux/fcitx5/meloasr.conf.in
index 6f5d261..65e7941 100644
--- a/linux/fcitx5/meloasr.conf.in
+++ b/linux/fcitx5/meloasr.conf.in
@@ -6,7 +6,7 @@ Comment[zh_CN]=将 MeloASR 网页后端连接到当前输入上下文
 Type=SharedLibrary
 Library=@MELOASR_LIBRARY_PATH@
 Category=Module
-Version=0.1.8
+Version=0.1.9
 OnDemand=False
 Configurable=False
 
diff --git a/package-lock.json b/package-lock.json
index 8dada70..a3d3096 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "meloasr",
-  "version": "0.1.8",
+  "version": "0.1.9",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "meloasr",
-      "version": "0.1.8",
+      "version": "0.1.9",
       "devDependencies": {
         "@types/node": "^24.0.0",
         "electron": "42.3.0",
diff --git a/package.json b/package.json
index 0c3f65c..bdfba71 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "meloasr",
   "productName": "MeloASR",
-  "version": "0.1.8",
+  "version": "0.1.9",
   "private": true,
   "author": "MeloASR contributors",
   "description": "基于网页语音识别后端和 Fcitx5 的 Linux 实时语音输入工具",
diff --git a/packaging/README.md b/packaging/README.md
index 5a8b8d3..5f1a74f 100644
--- a/packaging/README.md
+++ b/packaging/README.md
@@ -1,6 +1,6 @@
 # Linux 分发打包
 
-MeloASR 0.1.8 的系统包由两部分组成：
+MeloASR 0.1.9 的系统包由两部分组成：
 
 - Electron 应用安装到 `/opt/meloasr`，命令入口为 `/usr/bin/meloasr`；
 - Fcitx5 常驻 addon 由目标发行版中的 CMake/Fcitx5 开发包编译，并安装到该环境报告的 addon 目录。
@@ -40,7 +40,7 @@ npm run build:linux:dir
 packaging/deb/build-deb.sh
 ```
 
-产物位于 `packaging/out/meloasr_0.1.8_<arch>.deb`。依赖名称按 Debian/Ubuntu 系列填写，但尚未在各发行版完成安装验证。
+产物位于 `packaging/out/meloasr_0.1.9_<arch>.deb`。依赖名称按 Debian/Ubuntu 系列填写，但尚未在各发行版完成安装验证。
 
 ## rpm
 
diff --git a/packaging/arch/PKGBUILD b/packaging/arch/PKGBUILD
index 661d3fc..67fff8a 100644
--- a/packaging/arch/PKGBUILD
+++ b/packaging/arch/PKGBUILD
@@ -1,10 +1,10 @@
 pkgname=meloasr
-pkgver=0.1.8
+pkgver=0.1.9
 pkgrel=1
 pkgdesc='Web-backed voice input for Fcitx5'
 arch=('x86_64')
 url='https://github.com/Melorise/MeloASR'
-license=('custom')
+license=('MPL2')
 depends=('fcitx5' 'gtk3' 'nss' 'libxss' 'mesa' 'alsa-lib')
 makedepends=('nodejs' 'npm' 'cmake' 'gcc' 'nlohmann-json')
 source=("${pkgname}-${pkgver}.tar.gz")
@@ -38,7 +38,7 @@ package() {
     "${pkgdir}/etc/xdg/autostart/meloasr.desktop"
   install -Dm644 packaging/assets/meloasr.metainfo.xml \
     "${pkgdir}/usr/share/metainfo/meloasr.metainfo.xml"
-  install -Dm644 logo.png \
+  install -Dm644 src/assets/logo.png \
     "${pkgdir}/usr/share/pixmaps/meloasr.png"
 
   DESTDIR="${pkgdir}" cmake --install build/fcitx5
diff --git a/packaging/arch/README.md b/packaging/arch/README.md
index 820b7cc..c7d7649 100644
--- a/packaging/arch/README.md
+++ b/packaging/arch/README.md
@@ -1,6 +1,6 @@
 # Arch Linux 构建
 
-发布时把项目源码归档为 `meloasr-0.1.8.tar.gz`，与 `PKGBUILD` 放在同一目录，随后运行：
+发布时把项目源码归档为 `meloasr-0.1.9.tar.gz`，与 `PKGBUILD` 放在同一目录，随后运行：
 
 ```bash
 makepkg --syncdeps --cleanbuild
diff --git a/packaging/assets/meloasr.metainfo.xml b/packaging/assets/meloasr.metainfo.xml
index ec3af22..22706e0 100644
--- a/packaging/assets/meloasr.metainfo.xml
+++ b/packaging/assets/meloasr.metainfo.xml
@@ -5,7 +5,7 @@
   <summary>Web-backed voice input for Fcitx5</summary>
   <summary xml:lang="zh-CN">基于网页后端的 Fcitx5 语音输入工具</summary>
   <metadata_license>CC0-1.0</metadata_license>
-  <project_license>LicenseRef-proprietary</project_license>
+  <project_license>MPL-2.0</project_license>
   <description>
     <p>MeloASR connects supported web speech-recognition backends to the active Fcitx5 input context.</p>
     <p xml:lang="zh-CN">MeloASR 将支持的网页语音识别后端连接到当前 Fcitx5 输入上下文。</p>
@@ -16,6 +16,7 @@
     <binary>meloasr</binary>
   </provides>
   <releases>
+    <release version="0.1.9" date="2026-08-23"/>
     <release version="0.1.8" date="2026-08-23"/>
     <release version="0.1.7" date="2026-08-23"/>
   </releases>
diff --git a/packaging/deb/build-deb.sh b/packaging/deb/build-deb.sh
index 7da0513..1e582a3 100755
--- a/packaging/deb/build-deb.sh
+++ b/packaging/deb/build-deb.sh
@@ -2,9 +2,9 @@
 set -euo pipefail
 
 project_dir="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")/../.." && pwd)"
-version="${MELOASR_VERSION:-0.1.8}"
+version="${MELOASR_VERSION:-0.1.9}"
 arch="${MELOASR_DEB_ARCH:-$(dpkg --print-architecture)}"
-app_dir="${1:-${project_dir}/release/linux-unpacked}"
+app_dir="${1:-${MELOASR_ELECTRON_APP_DIR:-${project_dir}/release/linux-unpacked}}"
 work_dir="${project_dir}/packaging/out/deb-root"
 output_dir="${project_dir}/packaging/out"
 
diff --git a/packaging/nix/package.nix b/packaging/nix/package.nix
index c4fdb5e..37143bf 100644
--- a/packaging/nix/package.nix
+++ b/packaging/nix/package.nix
@@ -30,6 +30,9 @@ stdenv.mkDerivation (finalAttrs: {
 
   buildInputs = [ fcitx5 nlohmann_json ];
 
+  # 项目根目录不是 CMake 工程；Fcitx5 addon 在自定义 buildPhase 中单独配置。
+  dontConfigure = true;
+
   buildPhase = ''
     runHook preBuild
     npm run build
diff --git a/packaging/rpm/build-rpm.sh b/packaging/rpm/build-rpm.sh
index 750585c..96a3014 100755
--- a/packaging/rpm/build-rpm.sh
+++ b/packaging/rpm/build-rpm.sh
@@ -2,8 +2,8 @@
 set -euo pipefail
 
 project_dir="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")/../.." && pwd)"
-version="${MELOASR_VERSION:-0.1.8}"
-app_dir="${1:-${project_dir}/release/linux-unpacked}"
+version="${MELOASR_VERSION:-0.1.9}"
+app_dir="${1:-${MELOASR_ELECTRON_APP_DIR:-${project_dir}/release/linux-unpacked}}"
 stage_dir="${project_dir}/packaging/out/rpm-root"
 top_dir="${project_dir}/packaging/out/rpmbuild"
 
@@ -14,12 +14,19 @@ command -v rpmbuild >/dev/null || {
 
 rm -rf -- "${stage_dir}" "${top_dir}"
 "${project_dir}/packaging/scripts/stage-linux.sh" "${app_dir}" "${stage_dir}"
+addon_file="$(find "${stage_dir}/usr" -type f -path '*/fcitx5/libmeloasr.so' \
+    -printf '/usr/%P\n' -quit)"
+if [[ -z "${addon_file}" ]]; then
+    echo "未在安装根目录中找到 Fcitx5 addon。" >&2
+    exit 1
+fi
 mkdir -p "${top_dir}"/{BUILD,BUILDROOT,RPMS,SOURCES,SPECS,SRPMS}
 tar -C "${stage_dir}" -czf "${top_dir}/SOURCES/meloasr-root.tar.gz" .
 
 rpmbuild -bb \
     --define "_topdir ${top_dir}" \
     --define "meloasr_version ${version}" \
+    --define "meloasr_addon_file ${addon_file}" \
     "${project_dir}/packaging/rpm/meloasr-binary.spec"
 
 find "${top_dir}/RPMS" -type f -name '*.rpm' -exec cp -f {} "${project_dir}/packaging/out/" \;
diff --git a/packaging/rpm/meloasr-binary.spec b/packaging/rpm/meloasr-binary.spec
index 75f73bf..f9e9af3 100644
--- a/packaging/rpm/meloasr-binary.spec
+++ b/packaging/rpm/meloasr-binary.spec
@@ -2,7 +2,7 @@ Name:           meloasr
 Version:        %{meloasr_version}
 Release:        1%{?dist}
 Summary:        Web-backed voice input for Fcitx5
-License:        LicenseRef-Proprietary
+License:        MPL-2.0
 URL:            https://github.com/Melorise/MeloASR
 Source0:        meloasr-root.tar.gz
 
@@ -28,7 +28,7 @@ tar -C %{buildroot} -xzf %{SOURCE0}
 %defattr(-,root,root,-)
 /opt/meloasr
 /usr/bin/meloasr
-/usr/lib*/fcitx5/libmeloasr.so
+%{meloasr_addon_file}
 /usr/share/applications/meloasr.desktop
 /usr/share/pixmaps/meloasr.png
 /usr/share/metainfo/meloasr.metainfo.xml
@@ -36,6 +36,10 @@ tar -C %{buildroot} -xzf %{SOURCE0}
 /etc/xdg/autostart/meloasr.desktop
 
 %changelog
+* Sun Aug 23 2026 MeloASR contributors - 0.1.9-1
+- Fix multi-architecture package staging and RPM addon file ownership.
+- Fix Nix derivation configuration phase.
+
 * Sun Aug 23 2026 MeloASR contributors - 0.1.8-1
 - Fix Fcitx5 addon compatibility with Ubuntu 24.04.
 
diff --git a/packaging/scripts/stage-linux.sh b/packaging/scripts/stage-linux.sh
index 620cb0a..25b0978 100755
--- a/packaging/scripts/stage-linux.sh
+++ b/packaging/scripts/stage-linux.sh
@@ -2,10 +2,14 @@
 set -euo pipefail
 
 project_dir="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")/../.." && pwd)"
-app_dir="${1:-${project_dir}/release/linux-unpacked}"
+app_dir="${1:-${MELOASR_ELECTRON_APP_DIR:-${project_dir}/release/linux-unpacked}}"
 stage_dir="${2:-${project_dir}/packaging/out/root}"
 addon_build_dir="${MELOASR_ADDON_BUILD_DIR:-${project_dir}/packaging/out/fcitx5-build}"
 
+if [[ "${app_dir}" != /* ]]; then
+    app_dir="${project_dir}/${app_dir}"
+fi
+
 if [[ ! -d "${app_dir}" ]]; then
     echo "缺少 Electron 解包目录：${app_dir}" >&2
     echo "请先运行项目提供的 Linux directory 构建脚本。" >&2