diff --git a/scripts/check-deps-helpers.mjs b/scripts/check-deps-helpers.mjs
new file mode 100644
index 0000000..42fe943
--- /dev/null
+++ b/scripts/check-deps-helpers.mjs
@@ -0,0 +1,18 @@
+export async function waitForProxyConnection({
+  healthUrl,
+  attempts = 15,
+  timeoutMs = 8000,
+  httpGetJson,
+  sleep = (ms) => new Promise((resolve) => setTimeout(resolve, ms)),
+}) {
+  for (let i = 1; i <= attempts; i++) {
+    const health = await httpGetJson(healthUrl, timeoutMs);
+    if (health?.status === 'ok' && health.connected) {
+      return true;
+    }
+    if (i < attempts) {
+      await sleep(1000);
+    }
+  }
+  return false;
+}
diff --git a/scripts/check-deps.mjs b/scripts/check-deps.mjs
index 87c49ba..5672fed 100644
--- a/scripts/check-deps.mjs
+++ b/scripts/check-deps.mjs
@@ -14,6 +14,7 @@ import os from 'node:os';
 import path from 'node:path';
 import { fileURLToPath } from 'node:url';
 import { selectBrowser, knownBrowsers, findFallbackPort } from './browser-discovery.mjs';
+import { waitForProxyConnection } from './check-deps-helpers.mjs';
 
 const ROOT = path.resolve(path.dirname(fileURLToPath(import.meta.url)), '..');
 const PROXY_SCRIPT = path.join(ROOT, 'scripts', 'cdp-proxy.mjs');
@@ -77,7 +78,6 @@ function startProxyDetached(browserOverride) {
 
 async function ensureProxy(expectedBrowserId, browserOverride) {
   const healthUrl = `http://127.0.0.1:${PROXY_PORT}/health`;
-  const targetsUrl = `http://127.0.0.1:${PROXY_PORT}/targets`;
 
   // 复用：proxy 已运行 + 已连接浏览器 → 校验 expected vs actual
   const health = await httpGetJson(healthUrl);
@@ -98,18 +98,16 @@ async function ensureProxy(expectedBrowserId, browserOverride) {
 
   await new Promise((r) => setTimeout(r, 2000));
 
-  for (let i = 1; i <= 15; i++) {
-    const result = await httpGetJson(targetsUrl, 8000);
-    if (Array.isArray(result)) {
-      const newHealth = await httpGetJson(healthUrl);
-      const label = newHealth?.browser?.label || 'unknown';
-      console.log(`proxy: ready (${label})`);
-      return true;
-    }
-    if (i === 1) {
-      console.log('⚠️  浏览器可能有授权弹窗，请点击「允许」后等待连接...');
-    }
-    await new Promise((r) => setTimeout(r, 1000));
+  console.log('⚠️  浏览器可能有授权弹窗，请点击「允许」后等待连接...');
+  const ready = await waitForProxyConnection({
+    healthUrl,
+    httpGetJson,
+  });
+  if (ready) {
+    const newHealth = await httpGetJson(healthUrl);
+    const label = newHealth?.browser?.label || 'unknown';
+    console.log(`proxy: ready (${label})`);
+    return true;
   }
 
   console.log('❌ 连接超时，请检查浏览器调试设置');
diff --git a/tests/check-deps-wait.test.mjs b/tests/check-deps-wait.test.mjs
new file mode 100644
index 0000000..9cc0030
--- /dev/null
+++ b/tests/check-deps-wait.test.mjs
@@ -0,0 +1,40 @@
+import test from 'node:test';
+import assert from 'node:assert/strict';
+
+import { waitForProxyConnection } from '../scripts/check-deps-helpers.mjs';
+
+test('waitForProxyConnection polls health until proxy reports connected', async () => {
+  const calls = [];
+  const healthUrl = 'http://127.0.0.1:3456/health';
+  const responses = [
+    { status: 'ok', connected: false },
+    { status: 'ok', connected: false },
+    { status: 'ok', connected: true, browser: { label: 'Chrome' } },
+  ];
+
+  const ready = await waitForProxyConnection({
+    healthUrl,
+    attempts: responses.length,
+    httpGetJson: async (url) => {
+      calls.push(url);
+      return responses.shift() ?? null;
+    },
+    sleep: async () => {},
+  });
+
+  assert.equal(ready, true);
+  assert.deepEqual(calls, [healthUrl, healthUrl, healthUrl]);
+});
+
+test('waitForProxyConnection returns false after exhausting health polls', async () => {
+  const healthUrl = 'http://127.0.0.1:3456/health';
+
+  const ready = await waitForProxyConnection({
+    healthUrl,
+    attempts: 2,
+    httpGetJson: async () => ({ status: 'ok', connected: false }),
+    sleep: async () => {},
+  });
+
+  assert.equal(ready, false);
+});