diff --git a/.github/workflows/build-desktop-dev.yml b/.github/workflows/build-desktop-dev.yml
index e973700b..aaad88c0 100644
--- a/.github/workflows/build-desktop-dev.yml
+++ b/.github/workflows/build-desktop-dev.yml
@@ -134,6 +134,7 @@ jobs:
       - name: Build Tauri app
         working-directory: desktop
         env:
+          BUN_INSTALL_CACHE_DIR: ${{ runner.temp }}/bun-install-cache
           TAURI_ENV_TARGET_TRIPLE: ${{ matrix.rust_target }}
         run: |
           # 开发构建: 禁用 updater artifacts (不需要签名密钥)
diff --git a/.github/workflows/release-desktop.yml b/.github/workflows/release-desktop.yml
index e10b1ef2..8eb5481d 100644
--- a/.github/workflows/release-desktop.yml
+++ b/.github/workflows/release-desktop.yml
@@ -166,7 +166,9 @@ jobs:
       - name: Build Tauri app
         uses: tauri-apps/tauri-action@v0
         env:
+          BUN_INSTALL_CACHE_DIR: ${{ runner.temp }}/bun-install-cache
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          TAURI_ENV_TARGET_TRIPLE: ${{ matrix.rust_target }}
           TAURI_SIGNING_PRIVATE_KEY: ${{ secrets.TAURI_SIGNING_PRIVATE_KEY }}
           TAURI_SIGNING_PRIVATE_KEY_PASSWORD: ${{ secrets.TAURI_SIGNING_PRIVATE_KEY_PASSWORD }}
         with:
diff --git a/scripts/pr/release-workflow.test.ts b/scripts/pr/release-workflow.test.ts
index b1a0c0d6..bef3d1b5 100644
--- a/scripts/pr/release-workflow.test.ts
+++ b/scripts/pr/release-workflow.test.ts
@@ -17,16 +17,18 @@ describe('release desktop workflow', () => {
       '.github/workflows/release-desktop.yml',
     ]) {
       const workflow = readFileSync(workflowPath, 'utf8')
-      const buildSidecarsStep = workflow.match(
-        /- name: Build sidecars[\s\S]*?run: bun run build:sidecars/,
-      )?.[0]
+      for (const stepName of ['Build sidecars', 'Build Tauri app']) {
+        const step = workflow.match(
+          new RegExp(`- name: ${stepName}[\\s\\S]*?(?:\\n\\s{6}- name:|\\n\\s*# ──|\\n\\s*with:|$)`),
+        )?.[0]
 
-      expect(buildSidecarsStep, workflowPath).toContain(
-        'BUN_INSTALL_CACHE_DIR: ${{ runner.temp }}/bun-install-cache',
-      )
-      expect(buildSidecarsStep, workflowPath).toContain(
-        'TAURI_ENV_TARGET_TRIPLE: ${{ matrix.rust_target }}',
-      )
+        expect(step, `${workflowPath} ${stepName}`).toContain(
+          'BUN_INSTALL_CACHE_DIR: ${{ runner.temp }}/bun-install-cache',
+        )
+        expect(step, `${workflowPath} ${stepName}`).toContain(
+          'TAURI_ENV_TARGET_TRIPLE: ${{ matrix.rust_target }}',
+        )
+      }
     }
   })
 })