diff --git a/open-sse/config/providers.js b/open-sse/config/providers.js
index f995601..f6cd561 100644
--- a/open-sse/config/providers.js
+++ b/open-sse/config/providers.js
@@ -79,10 +79,6 @@ export const PROVIDERS = {
   qwen: {
     baseUrl: "https://portal.qwen.ai/v1/chat/completions",
     format: "openai",
-    headers: {
-      "User-Agent": "google-api-nodejs-client/9.15.1",
-      "X-Goog-Api-Client": "gl-node/22.17.0"
-    },
     clientId: "f0304373b74a44d2b584a3fb70ca9e56",
     tokenUrl: "https://chat.qwen.ai/api/v1/oauth2/token",
     authUrl: "https://chat.qwen.ai/api/v1/oauth2/device/code"
diff --git a/open-sse/executors/index.js b/open-sse/executors/index.js
index f2be733..0c314fb 100644
--- a/open-sse/executors/index.js
+++ b/open-sse/executors/index.js
@@ -7,6 +7,7 @@ import { KiroExecutor } from "./kiro.js";
 import { CodexExecutor } from "./codex.js";
 import { CursorExecutor } from "./cursor.js";
 import { VertexExecutor } from "./vertex.js";
+import { QwenExecutor } from "./qwen.js";
 import { DefaultExecutor } from "./default.js";
 
 const executors = {
@@ -21,6 +22,7 @@ const executors = {
   cu: new CursorExecutor(), // Alias for cursor
   vertex: new VertexExecutor("vertex"),
   "vertex-partner": new VertexExecutor("vertex-partner"),
+  qwen: new QwenExecutor(),
 };
 
 const defaultCache = new Map();
@@ -46,3 +48,4 @@ export { CodexExecutor } from "./codex.js";
 export { CursorExecutor } from "./cursor.js";
 export { VertexExecutor } from "./vertex.js";
 export { DefaultExecutor } from "./default.js";
+export { QwenExecutor } from "./qwen.js";
diff --git a/open-sse/executors/qwen.js b/open-sse/executors/qwen.js
new file mode 100644
index 0000000..2cadc41
--- /dev/null
+++ b/open-sse/executors/qwen.js
@@ -0,0 +1,81 @@
+import { platform, arch } from "os";
+import { DefaultExecutor } from "./default.js";
+
+/** portal.qwen.ai — aligned with CLIProxyAPI qwen_executor */
+const qwenCodeVersion = "0.13.2";
+const qwenStainless = {
+  runtimeVersion: "v22.17.0",
+  lang: "js",
+  packageVersion: "5.11.0",
+  retryCount: "0",
+  runtime: "node"
+};
+const qwenDefaultSystemMessage = {
+  role: "system",
+  content: [{ type: "text", text: "", cache_control: { type: "ephemeral" } }]
+};
+
+function qwenStainlessOsLabel() {
+  const p = platform();
+  if (p === "darwin") return "MacOS";
+  if (p === "win32") return "Windows";
+  if (p === "linux") return "Linux";
+  return p;
+}
+
+function qwenUserAgent() {
+  return `QwenCode/${qwenCodeVersion} (${platform()}; ${arch()})`;
+}
+
+function ensureQwenSystemMessage(body) {
+  if (!body || typeof body !== "object") return body;
+  const next = { ...body };
+  if (Array.isArray(next.messages)) {
+    next.messages = [qwenDefaultSystemMessage, ...next.messages];
+  } else {
+    next.messages = [qwenDefaultSystemMessage];
+  }
+  return next;
+}
+
+function buildQwenUpstreamHeaders(credentials, stream = true) {
+  const token = credentials?.apiKey || credentials?.accessToken || "";
+  const ua = qwenUserAgent();
+  const headers = {
+    "Content-Type": "application/json",
+    Authorization: `Bearer ${token}`,
+    "User-Agent": ua,
+    "X-DashScope-UserAgent": ua,
+    "X-Stainless-Runtime-Version": qwenStainless.runtimeVersion,
+    "X-Stainless-Lang": qwenStainless.lang,
+    "X-Stainless-Arch": arch(),
+    "X-Stainless-Package-Version": qwenStainless.packageVersion,
+    "X-DashScope-CacheControl": "enable",
+    "X-Stainless-Retry-Count": qwenStainless.retryCount,
+    "X-Stainless-Os": qwenStainlessOsLabel(),
+    "X-DashScope-AuthType": "qwen-oauth",
+    "X-Stainless-Runtime": qwenStainless.runtime
+  };
+  headers.Accept = stream ? "text/event-stream" : "application/json";
+  return headers;
+}
+
+export class QwenExecutor extends DefaultExecutor {
+  constructor() {
+    super("qwen");
+  }
+
+  buildHeaders(credentials, stream = true) {
+    return buildQwenUpstreamHeaders(credentials, stream);
+  }
+
+  transformRequest(model, body, stream, credentials) {
+    const next = body && typeof body === "object" ? { ...body } : body;
+    if (stream && next?.messages && !next.stream_options) {
+      next.stream_options = { include_usage: true };
+    }
+    return ensureQwenSystemMessage(next);
+  }
+}
+
+export default QwenExecutor;