diff --git a/extensions/browser/src/browser/client.test.ts b/extensions/browser/src/browser/client.test.ts
index 67a3aaa0c39..88bfb2216f5 100644
--- a/extensions/browser/src/browser/client.test.ts
+++ b/extensions/browser/src/browser/client.test.ts
@@ -323,6 +323,12 @@ describe("browser client", () => {
         expect.stringMatching(/\/doctor\?profile=openclaw&deep=true$/),
       ]),
     );
+    const status = calls.find((c) => c.url.endsWith("/"));
+    expect(status?.init?.timeoutMs).toBe(7_500);
+    const doctor = calls.find((c) => c.url.endsWith("/doctor"));
+    expect(doctor?.init?.timeoutMs).toBe(7_500);
+    const deepDoctor = calls.find((c) => c.url.endsWith("/doctor?profile=openclaw&deep=true"));
+    expect(deepDoctor?.init?.timeoutMs).toBe(10_000);
     const open = calls.find((c) => c.url.endsWith("/tabs/open"));
     expect(open?.init?.method).toBe("POST");
 
diff --git a/extensions/browser/src/browser/client.ts b/extensions/browser/src/browser/client.ts
index c967d48066f..41fa6dd46ae 100644
--- a/extensions/browser/src/browser/client.ts
+++ b/extensions/browser/src/browser/client.ts
@@ -11,6 +11,10 @@ import type { BrowserDoctorReport } from "./doctor.js";
 export type { BrowserStatus, BrowserTab, BrowserTransport } from "./client.types.js";
 export type { BrowserDoctorCheck, BrowserDoctorReport } from "./doctor.js";
 
+const BROWSER_STATUS_REQUEST_TIMEOUT_MS = 7_500;
+const BROWSER_DOCTOR_REQUEST_TIMEOUT_MS = 7_500;
+const BROWSER_DEEP_DOCTOR_REQUEST_TIMEOUT_MS = 10_000;
+
 export type ProfileStatus = {
   name: string;
   transport?: BrowserTransport;
@@ -71,7 +75,7 @@ export async function browserStatus(
     timeoutMs:
       typeof opts?.timeoutMs === "number" && Number.isFinite(opts.timeoutMs)
         ? Math.max(1, Math.floor(opts.timeoutMs))
-        : 1500,
+        : BROWSER_STATUS_REQUEST_TIMEOUT_MS,
   });
 }
 
@@ -88,7 +92,9 @@ export async function browserDoctor(
   }
   const q = params.size ? `?${params.toString()}` : "";
   return await fetchBrowserJson<BrowserDoctorReport>(withBaseUrl(baseUrl, `/doctor${q}`), {
-    timeoutMs: opts?.deep ? 10000 : 3000,
+    timeoutMs: opts?.deep
+      ? BROWSER_DEEP_DOCTOR_REQUEST_TIMEOUT_MS
+      : BROWSER_DOCTOR_REQUEST_TIMEOUT_MS,
   });
 }
 
diff --git a/extensions/browser/src/browser/routes/basic.existing-session.test.ts b/extensions/browser/src/browser/routes/basic.existing-session.test.ts
index 7276696bcb8..a955e4683a2 100644
--- a/extensions/browser/src/browser/routes/basic.existing-session.test.ts
+++ b/extensions/browser/src/browser/routes/basic.existing-session.test.ts
@@ -302,6 +302,7 @@ describe("basic browser routes", () => {
 
     expect(response.statusCode).toBe(200);
     expect(isTransportAvailable).toHaveBeenCalledTimes(1);
+    expect(isTransportAvailable).toHaveBeenCalledWith(5_000);
     expect(isHttpReachable).not.toHaveBeenCalled();
     expect(response.body).toMatchObject({
       cdpHttp: true,
diff --git a/extensions/browser/src/browser/routes/basic.ts b/extensions/browser/src/browser/routes/basic.ts
index b084b150982..971329c45c7 100644
--- a/extensions/browser/src/browser/routes/basic.ts
+++ b/extensions/browser/src/browser/routes/basic.ts
@@ -17,6 +17,10 @@ import {
   toStringOrEmpty,
 } from "./utils.js";
 
+const STATUS_CDP_HTTP_TIMEOUT_MS = 300;
+const STATUS_CDP_TRANSPORT_TIMEOUT_MS = 600;
+const STATUS_CHROME_MCP_TRANSPORT_TIMEOUT_MS = 5_000;
+
 function handleBrowserRouteError(res: BrowserResponse, err: unknown) {
   const mapped = toBrowserErrorResponse(err);
   if (mapped) {
@@ -72,10 +76,13 @@ async function buildBrowserStatus(req: BrowserRequest, ctx: BrowserRouteContext)
   const capabilities = getBrowserProfileCapabilities(profileCtx.profile);
   const [cdpHttp, cdpReady] = capabilities.usesChromeMcp
     ? await (async () => {
-        const ready = await profileCtx.isTransportAvailable(600);
+        const ready = await profileCtx.isTransportAvailable(STATUS_CHROME_MCP_TRANSPORT_TIMEOUT_MS);
         return [ready, ready] as const;
       })()
-    : await Promise.all([profileCtx.isHttpReachable(300), profileCtx.isTransportAvailable(600)]);
+    : await Promise.all([
+        profileCtx.isHttpReachable(STATUS_CDP_HTTP_TIMEOUT_MS),
+        profileCtx.isTransportAvailable(STATUS_CDP_TRANSPORT_TIMEOUT_MS),
+      ]);
 
   const profileState = current.profiles.get(profileCtx.profile.name);
   let detectedBrowser: string | null = null;