diff --git a/.github/workflows/release-tauri.yml b/.github/workflows/release-tauri.yml
index 00421c84..0cca1540 100644
--- a/.github/workflows/release-tauri.yml
+++ b/.github/workflows/release-tauri.yml
@@ -345,7 +345,27 @@ jobs:
         shell: bash
         working-directory: 'openless-all/scripts/linux-fcitx5-plugin'
         run: |
-          sudo apt-get install -y cmake fcitx5-dev
+          # v1.3.4-4 / -5 在此步反复挂，错误是 "E: Unable to locate package fcitx5-dev"。
+          # 同一 job 里前面的 "Install Linux bundle deps" 步骤已 apt-get update 过，
+          # universe 也是 ubuntu-22.04 默认启用 —— 但 GitHub Actions runner 镜像在
+          # 22.04 弃用过渡期里偶发 apt 元数据漂移。这里多加三层防御：
+          #   1) 显式启用 universe（已启用则 no-op）
+          #   2) 在本步骤内重新 apt-get update，独立于上游 step 的 cache 状态
+          #   3) 失败时 apt-cache search 打印实际可见包名，便于以后排查
+          sudo add-apt-repository -y universe || true
+          sudo apt-get update
+          if ! sudo apt-get install -y cmake fcitx5-dev; then
+            echo "::error::fcitx5-dev install failed. Diagnostics ↓"
+            echo "--- apt-cache policy fcitx5-dev ---"
+            apt-cache policy fcitx5-dev || true
+            echo "--- apt-cache search fcitx5 ---"
+            apt-cache search fcitx5 || true
+            echo "--- /etc/os-release ---"
+            cat /etc/os-release || true
+            echo "--- /etc/apt/sources.list.d ---"
+            ls -la /etc/apt/sources.list.d/ || true
+            exit 1
+          fi
           mkdir -p build && cd build
           cmake .. 2>&1
           make
diff --git a/openless-all/app/package-lock.json b/openless-all/app/package-lock.json
index 26ffcd38..e0b94db6 100644
--- a/openless-all/app/package-lock.json
+++ b/openless-all/app/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "openless-app",
-  "version": "1.3.4-5",
+  "version": "1.3.4-6",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "openless-app",
-      "version": "1.3.4-5",
+      "version": "1.3.4-6",
       "dependencies": {
         "@tauri-apps/api": "^2.1.1",
         "@tauri-apps/plugin-autostart": "^2.5.1",
diff --git a/openless-all/app/package.json b/openless-all/app/package.json
index 81c3942f..fec9d7d8 100644
--- a/openless-all/app/package.json
+++ b/openless-all/app/package.json
@@ -1,7 +1,7 @@
 {
   "name": "openless-app",
   "private": true,
-  "version": "1.3.4-5",
+  "version": "1.3.4-6",
   "type": "module",
   "scripts": {
     "dev": "vite",
diff --git a/openless-all/app/src-tauri/Cargo.lock b/openless-all/app/src-tauri/Cargo.lock
index fdf0c123..df3824f4 100644
--- a/openless-all/app/src-tauri/Cargo.lock
+++ b/openless-all/app/src-tauri/Cargo.lock
@@ -3666,7 +3666,7 @@ dependencies = [
 
 [[package]]
 name = "openless"
-version = "1.3.4-5"
+version = "1.3.4-6"
 dependencies = [
  "anyhow",
  "arboard",
diff --git a/openless-all/app/src-tauri/Cargo.toml b/openless-all/app/src-tauri/Cargo.toml
index 14df78d5..28331476 100644
--- a/openless-all/app/src-tauri/Cargo.toml
+++ b/openless-all/app/src-tauri/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "openless"
-version = "1.3.4-5"
+version = "1.3.4-6"
 description = "OpenLess — local voice input that types where your cursor is"
 authors = ["OpenLess"]
 edition = "2021"
diff --git a/openless-all/app/src-tauri/tauri.conf.json b/openless-all/app/src-tauri/tauri.conf.json
index 64a6d483..c6d6ab57 100644
--- a/openless-all/app/src-tauri/tauri.conf.json
+++ b/openless-all/app/src-tauri/tauri.conf.json
@@ -1,7 +1,7 @@
 {
   "$schema": "https://schema.tauri.app/config/2",
   "productName": "OpenLess",
-  "version": "1.3.4-5",
+  "version": "1.3.4-6",
   "identifier": "com.openless.app",
   "build": {
     "beforeDevCommand": "npm run dev",