diff --git a/scripts/nodejs/pipeline_native.js b/scripts/nodejs/pipeline_native.js
index 3dc6546..12195e4 100644
--- a/scripts/nodejs/pipeline_native.js
+++ b/scripts/nodejs/pipeline_native.js
@@ -274,6 +274,80 @@ async function fetchJson(url, options = {}) {
   return data;
 }
 
+async function fetchArrayBuffer(url, options = {}) {
+  const res = await fetch(url, options);
+  if (!res.ok) {
+    const text = await res.text().catch(() => "");
+    throw new Error(`HTTP ${res.status}: ${text.slice(0, 300)}`);
+  }
+  return Buffer.from(await res.arrayBuffer());
+}
+
+const QWEN_TTS_URL =
+  "https://dashscope.aliyuncs.com/api/v1/services/aigc/multimodal-generation/generation";
+
+/** 对齐 Electron Ka：根据 voiceId 选择 TTS 模型 */
+function resolveTtsModel(voiceId) {
+  const v = String(voiceId || "").trim();
+  if (!v || v === "Cherry") return "qwen3-tts-flash";
+  if (v.startsWith("qwen-tts-vc-")) return "qwen3-tts-vc-2026-01-22";
+  return "qwen3-tts-flash";
+}
+
+/**
+ * 通义千问 TTS 合成（对齐 Electron synthesizeOneSegment）
+ * @param {{ apiKey: string, text: string, voice: string, model?: string, instruction?: string, outputPath: string }} opts
+ */
+async function qwenTtsSynthesize(opts) {
+  const apiKey = opts.apiKey;
+  const text = String(opts.text || "").trim();
+  const voice = String(opts.voice || "").trim();
+  const outputPath = opts.outputPath;
+  const model = opts.model || resolveTtsModel(voice);
+  const instruction = String(opts.instruction || "").trim();
+
+  if (!apiKey) return { success: false, error: "缺少 DashScope apiKey" };
+  if (!text) return { success: false, error: "缺少合成文本" };
+  if (!voice) return { success: false, error: "缺少 voice" };
+  if (!outputPath) return { success: false, error: "缺少 outputPath" };
+
+  try {
+    const data = await fetchJson(QWEN_TTS_URL, {
+      method: "POST",
+      headers: {
+        Authorization: `Bearer ${apiKey}`,
+        "Content-Type": "application/json",
+      },
+      body: JSON.stringify({
+        model,
+        input: {
+          text,
+          voice,
+          ...(instruction
+            ? { instructions: instruction, optimize_instructions: true }
+            : {}),
+        },
+      }),
+    });
+
+    const audioUrl = data?.output?.audio?.url;
+    if (!audioUrl) {
+      return {
+        success: false,
+        error: data?.message || data?.code || "未获取到音频 URL",
+      };
+    }
+
+    const buf = await fetchArrayBuffer(audioUrl);
+    fs.mkdirSync(path.dirname(outputPath), { recursive: true });
+    fs.writeFileSync(outputPath, buf);
+    log("info", "qwen tts saved", { outputPath, voice, model });
+    return { success: true, audioPath: outputPath };
+  } catch (e) {
+    return { success: false, error: e.message || String(e) };
+  }
+}
+
 async function aliyunAsrFiletrans(audioUrl, opts) {
   const apiKey = opts.apiKey || opts.api_key;
   const model = opts.model || "qwen3-asr-flash-filetrans";
@@ -454,4 +528,6 @@ module.exports = {
   aliyunAsrFiletrans,
   localAsr,
   openaiChat,
+  resolveTtsModel,
+  qwenTtsSynthesize,
 };
diff --git a/scripts/nodejs/voice_preview.js b/scripts/nodejs/voice_preview.js
new file mode 100644
index 0000000..71e8abb
--- /dev/null
+++ b/scripts/nodejs/voice_preview.js
@@ -0,0 +1,74 @@
+"use strict";
+
+/**
+ * 音色试听（对齐 Electron aliyun:cosyvoice:synthesize + getPreCachedVoicePath）
+ */
+
+const fs = require("fs");
+const path = require("path");
+const os = require("os");
+const pipelineNative = require("./pipeline_native.js");
+const desktopConfig = require("./desktop_config.js");
+
+const CACHE_DIR = path.join(os.tmpdir(), "aiclient-voice-preview-cache");
+
+function buildPreviewText(title, customText) {
+  if (customText && String(customText).trim()) {
+    return String(customText).trim();
+  }
+  const shortName = String(title || "")
+    .split("（")[0]
+    .trim();
+  return `你好，我是${shortName || "我"}，很高兴为您服务。`;
+}
+
+globalThis.__nodejsMain = async function (params) {
+  const p = params || {};
+  const apiKey =
+    desktopConfig.get("BAILIAN_API_KEY") ||
+    desktopConfig.get("DASHSCOPE_API_KEY");
+  if (!apiKey) {
+    return {
+      success: false,
+      error: "缺少 BAILIAN_API_KEY（或 DASHSCOPE_API_KEY），请在配置中设置",
+    };
+  }
+
+  const voice = String(p.voice || "").trim();
+  if (!voice) {
+    return { success: false, error: "缺少 voice 参数" };
+  }
+
+  const cacheKey = p.cacheKey ? String(p.cacheKey).trim() : "";
+  fs.mkdirSync(CACHE_DIR, { recursive: true });
+
+  let outputPath;
+  if (cacheKey) {
+    outputPath = path.join(CACHE_DIR, `${cacheKey.replace(/[^\w.-]/g, "_")}.wav`);
+    if (fs.existsSync(outputPath)) {
+      return { success: true, audioPath: outputPath, cached: true };
+    }
+  } else {
+    outputPath = path.join(
+      CACHE_DIR,
+      `preview-${Date.now()}-${Math.random().toString(36).slice(2)}.wav`,
+    );
+  }
+
+  const text = buildPreviewText(p.title, p.text);
+  const result = await pipelineNative.qwenTtsSynthesize({
+    apiKey,
+    text,
+    voice,
+    model: p.model,
+    instruction:
+      p.instruction ||
+      "请用自然、清晰、适合短视频配音的风格朗读。",
+    outputPath,
+  });
+
+  if (!result.success) {
+    return result;
+  }
+  return { ...result, cached: false };
+};