diff --git a/docs/releasing.md b/docs/releasing.md
index 31ede67..7844995 100644
--- a/docs/releasing.md
+++ b/docs/releasing.md
@@ -52,7 +52,7 @@ CI 复用已有四项 Secrets：
 
 旧仓库内其他身份/指纹 Secrets 不作为可信预期来源。公钥位于 `scripts/release/updater.pub`，从原发布配置原样迁移，不生成新密钥。
 
-编译步骤没有上述 Secret 环境变量；编译完成后临时导入固定证书，签署 App，随后仅独立 signer 接收更新私钥。退出时删除临时签名 Keychain。
+编译前先在临时小型 bundle 上预检证书、私钥与指定要求；预检编译器同样不接收签名材料。编译步骤没有上述 Secret 环境变量；编译完成后临时导入固定证书，签署 App，随后仅独立 signer 接收更新私钥。退出时删除临时签名 Keychain。
 
 发布硬门禁包含 deep/strict 验证、Authority、Info.plist、封印资源、指定要求；并解开 tar.gz、挂载 DMG 验证容器内的 App。签名失败、ad-hoc 或证书变化都阻止发布。Mac 包非 Apple 公证，首次安装需“隐私与安全性 → 仍要打开”，随后录屏授权并重启应用。
 
diff --git a/scripts/macos/preflight.sh b/scripts/macos/preflight.sh
index 45160b5..e51f53c 100755
--- a/scripts/macos/preflight.sh
+++ b/scripts/macos/preflight.sh
@@ -15,7 +15,11 @@ trap cleanup EXIT
 KEYCHAIN="$("$ROOT_DIR/scripts/macos/import-certificate.sh")"
 APP_PATH="$WORK_DIR/TTREE.app"
 mkdir -p "$APP_PATH/Contents/MacOS" "$APP_PATH/Contents/Resources"
-printf 'int main(void) { return 0; }\n' | xcrun clang -x c -o "$APP_PATH/Contents/MacOS/ttree" -
+printf 'int main(void) { return 0; }\n' |
+  env -u MACOS_COMMUNITY_CERTIFICATE -u MACOS_COMMUNITY_CERTIFICATE_PASSWORD \
+    -u TAURI_SIGNING_PRIVATE_KEY -u TAURI_SIGNING_PRIVATE_KEY_PASSWORD -u TAURI_SIGNING_PRIVATE_KEY_PATH \
+    -u TAURI_PRIVATE_KEY -u TAURI_PRIVATE_KEY_PASSWORD -u TAURI_PRIVATE_KEY_PATH \
+    xcrun clang -x c -o "$APP_PATH/Contents/MacOS/ttree" -
 cp "$ROOT_DIR/assets/icons/status-template.png" "$APP_PATH/Contents/Resources/glyph.png"
 cat > "$APP_PATH/Contents/Info.plist" <<'PLIST'
 <?xml version="1.0" encoding="UTF-8"?>