diff --git a/content/signup-page.js b/content/signup-page.js
index 7ea1cb7..bf01a03 100644
--- a/content/signup-page.js
+++ b/content/signup-page.js
@@ -1144,10 +1144,11 @@ function isLikelyLoggedInChatgptHomeUrl(rawUrl = location.href) {
   }
 }
 
-function getStep4PostVerificationState() {
+function getStep4PostVerificationState(options = {}) {
+  const { ignoreVerificationVisibility = false } = options;
   // Newer auth flows can briefly render profile fields before the email-verification
   // form fully exits. Do not advance to Step 5 while verification UI is still present.
-  if (isVerificationPageStillVisible()) {
+  if (!ignoreVerificationVisibility && isVerificationPageStillVisible()) {
     return null;
   }
 
@@ -2388,7 +2389,7 @@ async function waitForVerificationSubmitOutcome(step, timeout) {
     }
 
     if (step === 4) {
-      const postVerificationState = getStep4PostVerificationState();
+      const postVerificationState = getStep4PostVerificationState({ ignoreVerificationVisibility: true });
       if (postVerificationState?.state === 'logged_in_home') {
         return {
           success: true,
@@ -2423,7 +2424,7 @@ async function waitForVerificationSubmitOutcome(step, timeout) {
       throw createSignupUserAlreadyExistsError();
     }
 
-    const postVerificationState = getStep4PostVerificationState();
+    const postVerificationState = getStep4PostVerificationState({ ignoreVerificationVisibility: true });
     if (postVerificationState?.state === 'logged_in_home') {
       return {
         success: true,
diff --git a/tests/step4-submit-retry-recovery.test.js b/tests/step4-submit-retry-recovery.test.js
index 3324cb3..c5d856f 100644
--- a/tests/step4-submit-retry-recovery.test.js
+++ b/tests/step4-submit-retry-recovery.test.js
@@ -198,3 +198,44 @@ return {
     url: 'https://chatgpt.com/',
   });
 });
+
+test('waitForVerificationSubmitOutcome treats step 5 as success after submit even when verification ui residue remains', async () => {
+  const api = new Function(`
+const location = { href: 'https://auth.openai.com/email-verification/register' };
+
+function throwIfStopped() {}
+function log() {}
+function getVerificationErrorText() { return ''; }
+function isStep5Ready() { return true; }
+function isStep8Ready() { return false; }
+function isAddPhonePageReady() { return false; }
+function isVerificationPageStillVisible() { return true; }
+function createSignupUserAlreadyExistsError() {
+  return new Error('SIGNUP_USER_ALREADY_EXISTS::步骤 4：检测到 user_already_exists，说明当前用户已存在，当前轮将直接停止。');
+}
+function getCurrentAuthRetryPageState() {
+  return null;
+}
+async function recoverCurrentAuthRetryPage() {
+  throw new Error('should not recover retry page');
+}
+async function sleep() {}
+
+${extractFunction('isSignupProfilePageUrl')}
+${extractFunction('isLikelyLoggedInChatgptHomeUrl')}
+${extractFunction('getStep4PostVerificationState')}
+${extractFunction('waitForVerificationSubmitOutcome')}
+
+return {
+  run() {
+    return waitForVerificationSubmitOutcome(4, 1000);
+  },
+};
+`)();
+
+  const result = await api.run();
+
+  assert.deepStrictEqual(result, {
+    success: true,
+  });
+});