11

main.py

@@ -1,6 +1,7 @@
 import uvicorn
 
 if __name__ == "__main__":
+    print("开始启动后端")
     uvicorn.run(
         "app.main:app",
         host="0.0.0.0",

scripts/nodejs/pipeline_native.js

@@ -8,7 +8,7 @@ const fs = require("fs");
 const path = require("path");
 const os = require("os");
 const crypto = require("crypto");
-const { spawn } = require("child_process");
+const { spawn, execFileSync } = require("child_process");
 const https = require("https");
 const http = require("http");
 
@@ -54,16 +54,63 @@ function runCommand(cmd, args, timeoutMs = 300000) {
   });
 }
 
-function locateFfmpeg() {
+function exeName() {
-  if (process.env.AICLIENT_FFMPEG_PATH && fs.existsSync(process.env.AICLIENT_FFMPEG_PATH)) {
-    return process.env.AICLIENT_FFMPEG_PATH;
-  }
   return process.platform === "win32" ? "ffmpeg.exe" : "ffmpeg";
 }
 
+function whichSync(cmd) {
+  try {
+    if (process.platform === "win32") {
+      const out = execFileSync("where", [cmd], { encoding: "utf8", windowsHide: true });
+      const line = out.split(/\r?\n/).map((s) => s.trim()).find(Boolean);
+      return line && fs.existsSync(line) ? line : null;
+    }
+    const out = execFileSync("which", [cmd], { encoding: "utf8" });
+    const line = out.trim().split(/\r?\n/)[0];
+    return line && fs.existsSync(line) ? line : null;
+  } catch {
+    return null;
+  }
+}
+
+/** 与 Rust `ffmpeg::locate_ffmpeg` 顺序对齐 */
+function locateFfmpeg() {
+  const name = exeName();
+  const envPath = process.env.AICLIENT_FFMPEG_PATH;
+  if (envPath && fs.existsSync(envPath)) {
+    return envPath;
+  }
+
+  const candidates = [];
+  const nodeDir = path.dirname(process.execPath);
+  candidates.push(path.join(nodeDir, "binaries", name));
+  candidates.push(path.join(nodeDir, name));
+  candidates.push(path.join(nodeDir, "..", "binaries", name));
+  candidates.push(path.join(nodeDir, "..", "..", "binaries", name));
+  candidates.push(path.join(nodeDir, "..", "..", "..", "binaries", name));
+  candidates.push(path.join(process.cwd(), "src-tauri", "binaries", name));
+  candidates.push(path.join(process.cwd(), "binaries", name));
+
+  for (const p of candidates) {
+    try {
+      if (fs.existsSync(p)) return p;
+    } catch {
+      /* ignore */
+    }
+  }
+
+  return whichSync(name);
+}
+
 async function ffmpegExtractAudio(videoPath) {
   const dest = tempPath("audio", "wav");
   const ffmpeg = locateFfmpeg();
+  if (!ffmpeg) {
+    throw new Error(
+      "未找到 ffmpeg。请安装并加入 PATH，或将可执行文件放到 src-tauri/binaries/ffmpeg.exe，" +
+        "或在环境变量中设置 AICLIENT_FFMPEG_PATH（桌面端会在启动 Node 时自动注入已解析路径）",
+    );
+  }
   await runCommand(ffmpeg, [
     "-y",
     "-i",