diff --git a/.github/workflows/app-build.yml b/.github/workflows/app-build.yml
index 40547a10f..26d4dc121 100644
--- a/.github/workflows/app-build.yml
+++ b/.github/workflows/app-build.yml
@@ -90,10 +90,9 @@ jobs:
         # 主仓库没有追踪 npm lockfile；须显式包含 Vite 等 devDependencies
         run: npm install --include=dev --no-package-lock --no-audit --no-fund
 
+      # electron/build.js 经 lib/utils.js 在加载时 require("electron")，需要完整安装（含二进制）
       - name: Install build script dependencies
         working-directory: electron
-        env:
-          ELECTRON_SKIP_BINARY_DOWNLOAD: '1'
         run: npm install --include=dev --no-package-lock --no-audit --no-fund
 
       - name: Build and copy web assets
diff --git a/cmd b/cmd
index 24059217a..85d535449 100755
--- a/cmd
+++ b/cmd
@@ -442,7 +442,7 @@ appexpo_operate() {
                 npm install --no-package-lock || return $?
             fi
             if [ ! -d "./electron/node_modules" ]; then
-                (cd electron && ELECTRON_SKIP_BINARY_DOWNLOAD=1 npm install --no-package-lock) || return $?
+                (cd electron && npm install --no-package-lock) || return $?
             fi
             node ./electron/build.js app-expo build
             ;;