diff --git a/background.js b/background.js
index 2dec324..7b7cb7f 100644
--- a/background.js
+++ b/background.js
@@ -719,6 +719,7 @@ const HERO_SMS_COUNTRY_BY_PHONE_PREFIX = Object.freeze([
 const FIVE_SIM_OPERATOR = DEFAULT_FIVE_SIM_OPERATOR;
 const PLUS_PAYMENT_METHOD_PAYPAL = 'paypal';
 const PLUS_PAYMENT_METHOD_PAYPAL_HOSTED = 'paypal-hosted';
+const PLUS_PAYMENT_METHOD_NONE = 'none';
 const PLUS_PAYMENT_METHOD_GOPAY = 'gopay';
 const PLUS_PAYMENT_METHOD_GPC_HELPER = 'gpc-helper';
 const DEFAULT_PLUS_PAYMENT_METHOD = PLUS_PAYMENT_METHOD_PAYPAL_HOSTED;
@@ -823,6 +824,12 @@ function normalizePlusPaymentMethod(value = '') {
   const paypalHostedValue = typeof PLUS_PAYMENT_METHOD_PAYPAL_HOSTED !== 'undefined'
     ? PLUS_PAYMENT_METHOD_PAYPAL_HOSTED
     : 'paypal-hosted';
+  const noneValue = typeof PLUS_PAYMENT_METHOD_NONE !== 'undefined'
+    ? PLUS_PAYMENT_METHOD_NONE
+    : 'none';
+  if (normalized === noneValue || normalized === 'no-payment' || normalized === 'skip-payment') {
+    return noneValue;
+  }
   if (normalized === paypalHostedValue || normalized === 'paypal_direct' || normalized === 'paypal-direct') {
     return paypalHostedValue;
   }
@@ -1958,6 +1965,12 @@ function normalizePlusPaymentMethod(value = '') {
   const paypalHostedValue = typeof PLUS_PAYMENT_METHOD_PAYPAL_HOSTED !== 'undefined'
     ? PLUS_PAYMENT_METHOD_PAYPAL_HOSTED
     : 'paypal-hosted';
+  const noneValue = typeof PLUS_PAYMENT_METHOD_NONE !== 'undefined'
+    ? PLUS_PAYMENT_METHOD_NONE
+    : 'none';
+  if (normalized === noneValue || normalized === 'no-payment' || normalized === 'skip-payment') {
+    return noneValue;
+  }
   if (normalized === paypalHostedValue || normalized === 'paypal_direct' || normalized === 'paypal-direct') {
     return paypalHostedValue;
   }
@@ -8608,6 +8621,17 @@ function isLikelyLoggedInChatgptHomeUrl(rawUrl) {
   return !/^\/(?:auth\/|create-account\/|email-verification|log-in|add-phone)(?:[/?#]|$)/i.test(parsed.pathname || '');
 }
 
+function isStep5CompletionChatgptUrl(rawUrl) {
+  const parsed = parseUrlSafely(rawUrl);
+  if (!parsed) return false;
+  const protocol = String(parsed.protocol || '').toLowerCase();
+  const hostname = String(parsed.hostname || '').toLowerCase();
+  if (protocol !== 'https:' || !['chatgpt.com', 'www.chatgpt.com'].includes(hostname)) {
+    return false;
+  }
+  return !/^\/(?:auth\/|create-account\/|email-verification|log-in|add-phone)(?:[/?#]|$)/i.test(parsed.pathname || '');
+}
+
 function isSignupPasswordPageUrl(rawUrl) {
   if (typeof navigationUtils !== 'undefined' && navigationUtils?.isSignupPasswordPageUrl) {
     return navigationUtils.isSignupPasswordPageUrl(rawUrl);
@@ -9372,13 +9396,9 @@ function isGpcCheckoutRestartRequiredFailure(error) {
 
 function isPlusCheckoutRestartStep(step, stepExecutionKey = '', state = {}) {
   const normalizedKey = String(stepExecutionKey || '').trim();
-  if (normalizedKey === 'plus-checkout-create'
+  return normalizedKey === 'plus-checkout-create'
     || normalizedKey === 'plus-checkout-billing'
-    || normalizedKey === 'gopay-subscription-confirm') {
-    return true;
-  }
-  const numericStep = Number(step);
-  return Boolean(state?.plusModeEnabled) && (numericStep === 6 || numericStep === 7);
+    || normalizedKey === 'gopay-subscription-confirm';
 }
 
 function isPlusCheckoutRestartRequiredFailure(error) {
@@ -9633,10 +9653,23 @@ function getDownstreamStateResets(step, state = {}) {
       currentPhoneVerificationCountdownWindowTotal: 0,
     };
   }
-  if (step === 5 || step === 6 || step === 7 || step === 8) {
+  const normalizedStepKey = String(stepKey || '').trim();
+  const isEarlyRegistrationNode = [
+    'fill-profile',
+    'wait-registration-success',
+    'plus-checkout-create',
+  ].includes(normalizedStepKey);
+  const isBillingNode = normalizedStepKey === 'plus-checkout-billing';
+  const isApprovalNode = normalizedStepKey === 'paypal-approve'
+    || normalizedStepKey === 'gopay-subscription-confirm'
+    || normalizedStepKey === 'paypal-hosted-email'
+    || normalizedStepKey === 'paypal-hosted-card'
+    || normalizedStepKey === 'paypal-hosted-create-account'
+    || normalizedStepKey === 'paypal-hosted-review';
+  if (isEarlyRegistrationNode || isBillingNode || isApprovalNode) {
     return {
-      ...(step <= 6 ? plusRuntimeResets : {}),
-      ...(step === 7 ? {
+      ...(isEarlyRegistrationNode ? plusRuntimeResets : {}),
+      ...(isBillingNode ? {
         plusBillingCountryText: '',
         plusBillingAddress: null,
         plusPaypalApprovedAt: null,
@@ -9653,7 +9686,7 @@ function getDownstreamStateResets(step, state = {}) {
         gopayHelperOtpRequestId: '',
         gopayHelperOtpReferenceId: '',
       } : {}),
-      ...(step === 8 ? {
+      ...(isApprovalNode ? {
         plusPaypalApprovedAt: null,
         plusGoPayApprovedAt: null,
         plusReturnUrl: '',
@@ -9670,7 +9703,7 @@ function getDownstreamStateResets(step, state = {}) {
       currentPhoneVerificationCountdownWindowTotal: 0,
     };
   }
-  if (step === 9) {
+  if (stepKey === 'plus-checkout-return' || stepKey === 'confirm-oauth') {
     return {
       pendingPhoneActivationConfirmation: null,
       plusReturnUrl: '',
@@ -11556,6 +11589,13 @@ async function executeNodeAndWait(nodeId, delayAfter = 2000) {
     const completionSignalTimeoutMs = getNodeCompletionSignalTimeoutMs(normalizedNodeId, executionState);
     await addLog(`自动运行：节点 ${normalizedNodeId} 已发起，正在等待完成信号（超时 ${Math.round(completionSignalTimeoutMs / 1000)} 秒）。`, 'info');
     completionPayload = await executeNodeViaCompletionSignal(normalizedNodeId, completionSignalTimeoutMs);
+    if (normalizedNodeId === 'fill-profile') {
+      await addLog(
+        `步骤 5 [调试] 已收到资料页完成信号 | outcome=${String(completionPayload?.outcome || 'none')} | navigationStarted=${Boolean(completionPayload?.navigationStarted)} | url=${String(completionPayload?.url || '') || 'unknown'}`,
+        'info',
+        { step: 5, stepKey: 'fill-profile' }
+      );
+    }
     await addLog(`自动运行：节点 ${normalizedNodeId} 已收到完成信号，准备继续后续节点。`, 'info');
   } else {
     await executeNode(normalizedNodeId);
@@ -11573,6 +11613,12 @@ async function executeNodeAndWait(nodeId, delayAfter = 2000) {
       });
       try {
         await validateStep5PostCompletion(signupTabId, completionPayload || {});
+        await setNodeStatus(normalizedNodeId, 'completed');
+        await addLog('已完成', 'ok', { nodeId: normalizedNodeId });
+        await addLog('步骤 5 [调试] 资料页完成信号已通过后台复核。', 'ok', {
+          step: 5,
+          stepKey: 'fill-profile',
+        });
       } catch (step5ValidationError) {
         await setNodeStatus(normalizedNodeId, 'failed');
         await addLog(`失败：${getErrorMessage(step5ValidationError)}`, 'error', { nodeId: normalizedNodeId });
@@ -13548,6 +13594,7 @@ const step8Executor = self.MultiPageBackgroundStep8?.createStep8Executor({
   resolveSignupEmailForFlow,
   persistRegistrationEmailState,
   phoneVerificationHelpers,
+  getStepIdByKeyForState,
   rerunStep7ForStep8Recovery: (...args) => rerunStep7ForStep8Recovery(...args),
   resolveSignupMethod,
   reuseOrCreateTab,
@@ -13942,6 +13989,21 @@ const messageRouter = self.MultiPageBackgroundMessageRouter?.createMessageRouter
       3
     );
   },
+  finalizeStep5Completion: async (completionPayload = {}) => {
+    const signupTabId = await getTabId('openai-auth');
+    if (!signupTabId) {
+      throw new Error('步骤 5：缺少认证页标签页，无法确认是否已跳转到 https://chatgpt.com。');
+    }
+    await waitForTabStableComplete(signupTabId, {
+      timeoutMs: 120000,
+      retryDelayMs: 300,
+      stableMs: 1000,
+      initialDelayMs: 800,
+    });
+    await validateStep5PostCompletion(signupTabId, completionPayload || {});
+    await setNodeStatus('fill-profile', 'completed');
+    await addLog('已完成', 'ok', { nodeId: 'fill-profile' });
+  },
   finalizeIcloudAliasAfterSuccessfulFlow,
   findHotmailAccount,
   flushCommand,
@@ -14753,18 +14815,69 @@ async function recoverStep5SubmitRetryPageOnTab(options = {}) {
   return result || {};
 }
 
+async function addStep5PostCompletionDebugLog(message, details = {}) {
+  const pageState = details?.pageState && typeof details.pageState === 'object'
+    ? details.pageState
+    : null;
+  const summary = [
+    `步骤 5 [调试] ${message}`,
+    details?.completionOutcome ? `completionOutcome=${details.completionOutcome}` : null,
+    `navigationStarted=${Boolean(details?.navigationStarted)}`,
+    details?.tabUrl ? `tabUrl=${details.tabUrl}` : null,
+    details?.completionUrl ? `completionUrl=${details.completionUrl}` : null,
+    pageState?.url ? `contentUrl=${pageState.url}` : null,
+    pageState ? `retryPage=${Boolean(pageState.retryPage)}` : null,
+    pageState ? `retryEnabled=${Boolean(pageState.retryEnabled)}` : null,
+    pageState ? `successState=${pageState.successState || 'none'}` : null,
+    pageState ? `profileVisible=${Boolean(pageState.profileVisible)}` : null,
+    pageState ? `unknownAuthPage=${Boolean(pageState.unknownAuthPage)}` : null,
+    pageState ? `maxCheckAttemptsBlocked=${Boolean(pageState.maxCheckAttemptsBlocked)}` : null,
+    pageState ? `userAlreadyExistsBlocked=${Boolean(pageState.userAlreadyExistsBlocked)}` : null,
+    pageState?.errorText ? `errorText=${pageState.errorText}` : null,
+  ]
+    .filter(Boolean)
+    .join(' | ');
+
+  await addLog(summary, details?.level || 'info', {
+    step: 5,
+    stepKey: 'fill-profile',
+  });
+}
+
 async function validateStep5PostCompletion(tabId, completionPayload = {}) {
   if (!Number.isInteger(tabId)) {
     throw new Error('步骤 5：缺少有效的资料页标签页，无法确认提交后的最终状态。');
   }
+  const debugLog = typeof addStep5PostCompletionDebugLog === 'function'
+    ? addStep5PostCompletionDebugLog
+    : async (message, details = {}) => {
+        if (typeof addLog === 'function') {
+          await addLog(`步骤 5 [调试] ${message}`, details?.level || 'info', {
+            step: 5,
+            stepKey: 'fill-profile',
+          });
+        }
+      };
 
   const maxAuthRetryRecoveries = Math.max(1, Number(completionPayload?.maxAuthRetryRecoveries) || 2);
   let authRetryRecoveryCount = 0;
+  await debugLog('后台已收到资料页完成信号，准备开始最终状态复核。', {
+    completionOutcome: String(completionPayload?.outcome || '').trim(),
+    completionUrl: String(completionPayload?.url || '').trim(),
+    navigationStarted: Boolean(completionPayload?.navigationStarted),
+  });
 
   while (true) {
     const tab = await chrome.tabs.get(tabId).catch(() => null);
     const currentUrl = String(tab?.url || completionPayload?.url || '').trim();
-    if (currentUrl && isLikelyLoggedInChatgptHomeUrl(currentUrl)) {
+    if (currentUrl && isStep5CompletionChatgptUrl(currentUrl)) {
+      await debugLog('后台直接通过标签页 URL 确认已进入 chatgpt.com，步骤 5 完成。', {
+        completionOutcome: String(completionPayload?.outcome || '').trim(),
+        completionUrl: String(completionPayload?.url || '').trim(),
+        navigationStarted: Boolean(completionPayload?.navigationStarted),
+        tabUrl: currentUrl,
+        level: 'ok',
+      });
       return {
         successState: 'logged_in_home',
         url: currentUrl,
@@ -14777,6 +14890,13 @@ async function validateStep5PostCompletion(tabId, completionPayload = {}) {
       retryDelayMs: 500,
       logMessage: '步骤 5：资料提交已触发页面跳转，正在确认最终页面状态...',
     });
+    await debugLog('后台复核当前页面状态。', {
+      completionOutcome: String(completionPayload?.outcome || '').trim(),
+      completionUrl: String(completionPayload?.url || '').trim(),
+      navigationStarted: Boolean(completionPayload?.navigationStarted),
+      tabUrl: currentUrl,
+      pageState,
+    });
 
     if (pageState.userAlreadyExistsBlocked) {
       throw new Error('SIGNUP_USER_ALREADY_EXISTS::步骤 5：检测到 user_already_exists，当前轮将直接停止。');
@@ -14790,6 +14910,14 @@ async function validateStep5PostCompletion(tabId, completionPayload = {}) {
         throw new Error(`步骤 5：资料提交后连续进入认证重试页 ${maxAuthRetryRecoveries} 次，页面仍未恢复。URL: ${pageState.url || currentUrl || 'unknown'}`);
       }
       authRetryRecoveryCount += 1;
+      await debugLog(`后台复核检测到认证重试页，准备恢复（${authRetryRecoveryCount}/${maxAuthRetryRecoveries}）。`, {
+        completionOutcome: String(completionPayload?.outcome || '').trim(),
+        completionUrl: String(completionPayload?.url || '').trim(),
+        navigationStarted: Boolean(completionPayload?.navigationStarted),
+        tabUrl: currentUrl,
+        pageState,
+        level: 'warn',
+      });
       await addLog(`步骤 5：提交完成信号后检测到认证重试页，正在自动恢复（${authRetryRecoveryCount}/${maxAuthRetryRecoveries}）...`, 'warn', {
         step: 5,
         stepKey: 'fill-profile',
@@ -14808,22 +14936,74 @@ async function validateStep5PostCompletion(tabId, completionPayload = {}) {
       continue;
     }
 
-    if (pageState.successState === 'logged_in_home' || pageState.successState === 'oauth_consent' || pageState.successState === 'add_phone') {
+    if (pageState.successState === 'logged_in_home' && isStep5CompletionChatgptUrl(pageState.url)) {
+      await debugLog(`后台复核确认成功状态：${pageState.successState}`, {
+        completionOutcome: String(completionPayload?.outcome || '').trim(),
+        completionUrl: String(completionPayload?.url || '').trim(),
+        navigationStarted: Boolean(completionPayload?.navigationStarted),
+        tabUrl: currentUrl,
+        pageState,
+        level: 'ok',
+      });
       return pageState;
     }
 
+    if (pageState.successState) {
+      await debugLog('后台复核发现非 chatgpt.com 的步骤 5 完成候选，按未完成处理。', {
+        completionOutcome: String(completionPayload?.outcome || '').trim(),
+        completionUrl: String(completionPayload?.url || '').trim(),
+        navigationStarted: Boolean(completionPayload?.navigationStarted),
+        tabUrl: currentUrl,
+        pageState,
+        level: 'error',
+      });
+      throw new Error(`步骤 5：资料提交后尚未跳转到 https://chatgpt.com，不能标记完成。当前状态：${pageState.successState}，URL: ${pageState.url || currentUrl || 'unknown'}`);
+    }
+
     if (pageState.errorText) {
+      await debugLog('后台复核发现页面错误文本，准备按失败结束。', {
+        completionOutcome: String(completionPayload?.outcome || '').trim(),
+        completionUrl: String(completionPayload?.url || '').trim(),
+        navigationStarted: Boolean(completionPayload?.navigationStarted),
+        tabUrl: currentUrl,
+        pageState,
+        level: 'error',
+      });
       throw new Error(`步骤 5：资料提交后页面返回错误：${pageState.errorText}。URL: ${pageState.url || currentUrl || 'unknown'}`);
     }
 
     if (pageState.profileVisible) {
+      await debugLog('后台复核发现页面仍停留在资料页，准备按失败结束。', {
+        completionOutcome: String(completionPayload?.outcome || '').trim(),
+        completionUrl: String(completionPayload?.url || '').trim(),
+        navigationStarted: Boolean(completionPayload?.navigationStarted),
+        tabUrl: currentUrl,
+        pageState,
+        level: 'error',
+      });
       throw new Error(`步骤 5：资料提交完成信号已收到，但页面仍停留在资料页，当前流程将直接报错。URL: ${pageState.url || currentUrl || 'unknown'}`);
     }
 
     if (pageState.unknownAuthPage) {
+      await debugLog('后台复核进入未知认证页，无法确认成功。', {
+        completionOutcome: String(completionPayload?.outcome || '').trim(),
+        completionUrl: String(completionPayload?.url || '').trim(),
+        navigationStarted: Boolean(completionPayload?.navigationStarted),
+        tabUrl: currentUrl,
+        pageState,
+        level: 'error',
+      });
       throw new Error(`步骤 5：资料提交后进入未识别的认证页，无法确认成功。URL: ${pageState.url || currentUrl || 'unknown'}`);
     }
 
+    await debugLog('后台复核未识别到成功或明确失败状态，准备按失败结束。', {
+      completionOutcome: String(completionPayload?.outcome || '').trim(),
+      completionUrl: String(completionPayload?.url || '').trim(),
+      navigationStarted: Boolean(completionPayload?.navigationStarted),
+      tabUrl: currentUrl,
+      pageState,
+      level: 'error',
+    });
     throw new Error(`步骤 5：资料提交后未能确认最终状态。URL: ${pageState.url || currentUrl || 'unknown'}`);
   }
 }
@@ -15615,6 +15795,7 @@ const step9Executor = self.MultiPageBackgroundStep9?.createStep9Executor({
   getStep8CallbackUrlFromNavigation,
   getStep8CallbackUrlFromTabUpdate,
   getStep8EffectLabel,
+  getStepIdByKeyForState,
   getTabId,
   getWebNavCommittedListener,
   getWebNavListener,
diff --git a/background/message-router.js b/background/message-router.js
index bc3b576..5de76ed 100644
--- a/background/message-router.js
+++ b/background/message-router.js
@@ -40,6 +40,7 @@
       testKiroRsConnection,
       finalizePhoneActivationAfterSuccessfulFlow,
       finalizeStep3Completion,
+      finalizeStep5Completion = null,
       finalizeIcloudAliasAfterSuccessfulFlow,
       findHotmailAccount,
       findPayPalAccount,
@@ -575,6 +576,12 @@
 
     function normalizePlusPaymentMethodForDisplay(value = '') {
       const normalized = String(value || '').trim().toLowerCase();
+      if (normalized === 'none' || normalized === 'no-payment' || normalized === 'skip-payment') {
+        return 'none';
+      }
+      if (normalized === 'paypal-hosted' || normalized === 'paypal_direct' || normalized === 'paypal-direct') {
+        return 'paypal-hosted';
+      }
       if (normalized === 'gpc-helper') {
         return 'gpc-helper';
       }
@@ -583,6 +590,12 @@
 
     function getPlusPaymentMethodLabel(value = '') {
       const method = normalizePlusPaymentMethodForDisplay(value);
+      if (method === 'none') {
+        return '无需支付';
+      }
+      if (method === 'paypal-hosted') {
+        return 'PayPal 无卡直绑';
+      }
       if (method === 'gpc-helper') {
         return 'GPC';
       }
@@ -995,13 +1008,21 @@
             return { ok: true, error: errorMessage };
           }
 
+          const deferCompletionUntilBackgroundValidation = nodeId === 'fill-profile';
           const completionStateCandidate = await getState();
           const nodeIds = typeof getNodeIdsForState === 'function' ? getNodeIdsForState(completionStateCandidate) : [];
           const lastNodeId = nodeIds[nodeIds.length - 1] || '';
           const isFinalNode = nodeId === lastNodeId;
           const completionState = isFinalNode ? completionStateCandidate : null;
-          await setNodeStatus(nodeId, 'completed');
-          await addLog('已完成', 'ok', { nodeId });
+          if (!deferCompletionUntilBackgroundValidation) {
+            await setNodeStatus(nodeId, 'completed');
+            await addLog('已完成', 'ok', { nodeId });
+          } else {
+            await addLog('步骤 5：已收到资料页完成信号，等待后台最终复核后再标记完成。', 'info', {
+              step: 5,
+              stepKey: nodeId,
+            });
+          }
           await handleStepData(resolvedStep, message.payload);
           if (isFinalNode && typeof appendAccountRunRecord === 'function') {
             await appendAccountRunRecord('success', completionState);
@@ -1272,7 +1293,10 @@
           }
           const executionState = await getState();
           if (doesNodeUseCompletionSignal(nodeId, executionState)) {
-            await executeNodeViaCompletionSignal(nodeId);
+            const completionPayload = await executeNodeViaCompletionSignal(nodeId);
+            if (nodeId === 'fill-profile' && typeof finalizeStep5Completion === 'function') {
+              await finalizeStep5Completion(completionPayload || {});
+            }
           } else {
             await executeNode(nodeId);
           }
diff --git a/data/step-definitions.js b/data/step-definitions.js
index e610744..5f8f01e 100644
--- a/data/step-definitions.js
+++ b/data/step-definitions.js
@@ -225,8 +225,8 @@
   );
   const NORMAL_STEP_DEFINITIONS = STEP_DEFINITIONS;
   const PLUS_STEP_DEFINITIONS = cloneSteps(
-    defaultWorkflowBuilder?.getVariantStepDefinitions
-      ? defaultWorkflowBuilder.getVariantStepDefinitions('plusPaypal')
+    defaultWorkflowBuilder?.getModeStepDefinitions
+      ? defaultWorkflowBuilder.getModeStepDefinitions({ plusModeEnabled: true })
       : [],
     { plusModeEnabled: true },
     DEFAULT_ACTIVE_FLOW_ID
diff --git a/flows/openai/background/steps/confirm-oauth.js b/flows/openai/background/steps/confirm-oauth.js
index 74abd5c..1ba322a 100644
--- a/flows/openai/background/steps/confirm-oauth.js
+++ b/flows/openai/background/steps/confirm-oauth.js
@@ -34,6 +34,7 @@
       setStep8PendingReject,
       setStep8TabUpdatedListener,
       shouldDeferStep9CallbackTimeout,
+      getStepIdByKeyForState = null,
     } = deps;
 
     const LOCALHOST_CALLBACK_LOCAL_TIMEOUT_MS = 240000;
@@ -45,7 +46,17 @@
     }
 
     function getAuthLoginStepForVisibleStep(visibleStep) {
-      return visibleStep >= 12 ? 10 : 7;
+      return visibleStep >= 12 ? Math.max(1, visibleStep - 3) : 7;
+    }
+
+    function getAuthLoginStepForState(state = {}, visibleStep = 9) {
+      const authStep = typeof getStepIdByKeyForState === 'function'
+        ? Number(getStepIdByKeyForState('oauth-login', state))
+        : 0;
+      if (Number.isInteger(authStep) && authStep > 0) {
+        return authStep;
+      }
+      return getAuthLoginStepForVisibleStep(visibleStep);
     }
 
     function addStepLog(step, message, level = 'info') {
@@ -57,7 +68,7 @@
       let activeState = state;
 
       if (!activeState.oauthUrl) {
-        const authLoginStep = getAuthLoginStepForVisibleStep(visibleStep);
+        const authLoginStep = getAuthLoginStepForState(activeState, visibleStep);
         throw new Error(`缺少登录用 OAuth 链接，请先完成步骤 ${authLoginStep}。`);
       }
 
diff --git a/flows/openai/background/steps/fetch-login-code.js b/flows/openai/background/steps/fetch-login-code.js
index 3208846..1fc5082 100644
--- a/flows/openai/background/steps/fetch-login-code.js
+++ b/flows/openai/background/steps/fetch-login-code.js
@@ -36,6 +36,7 @@
       STANDARD_MAIL_VERIFICATION_RESEND_INTERVAL_MS,
       STEP7_MAIL_POLLING_RECOVERY_MAX_ATTEMPTS,
       throwIfStopped,
+      getStepIdByKeyForState = null,
     } = deps;
     let activeFetchLoginCodeStep = null;
     let activeFetchLoginCodeStepKey = 'fetch-login-code';
@@ -93,7 +94,17 @@
     }
 
     function getAuthLoginStepForVisibleStep(visibleStep) {
-      return visibleStep >= 11 ? 10 : 7;
+      return visibleStep >= 11 ? Math.max(1, visibleStep - 1) : 7;
+    }
+
+    function getAuthLoginStepForState(state = {}, visibleStep = 8) {
+      const authStep = typeof getStepIdByKeyForState === 'function'
+        ? Number(getStepIdByKeyForState('oauth-login', state))
+        : 0;
+      if (Number.isInteger(authStep) && authStep > 0) {
+        return authStep;
+      }
+      return getAuthLoginStepForVisibleStep(visibleStep);
     }
 
     async function getStep8ReadyTimeoutMs(actionLabel, expectedOauthUrl = '', visibleStep = 8) {
@@ -331,7 +342,7 @@
     }
 
     async function recoverStep8PollingFailure(currentState, visibleStep) {
-      const authLoginStep = getAuthLoginStepForVisibleStep(visibleStep);
+      const authLoginStep = getAuthLoginStepForState(currentState, visibleStep);
       try {
         const pageState = await ensureStep8VerificationPageReady({
           visibleStep,
@@ -771,7 +782,7 @@
         await chrome.tabs.update(authTabId, { active: true });
       } else {
         if (!state.oauthUrl) {
-          throw new Error(`缺少登录用 OAuth 链接，请先完成步骤 ${getAuthLoginStepForVisibleStep(visibleStep)}。`);
+          throw new Error(`缺少登录用 OAuth 链接，请先完成步骤 ${getAuthLoginStepForState(state, visibleStep)}。`);
         }
         await reuseOrCreateTab('openai-auth', state.oauthUrl);
       }
@@ -779,7 +790,7 @@
       throwIfStopped();
       let pageState = await ensureStep8VerificationPageReady({
         visibleStep,
-        authLoginStep: getAuthLoginStepForVisibleStep(visibleStep),
+        authLoginStep: getAuthLoginStepForState(state, visibleStep),
         allowPhoneVerificationPage: true,
         allowAddEmailPage: true,
         timeoutMs: await getStep8ReadyTimeoutMs('确认登录验证码页已就绪', state?.oauthUrl || '', visibleStep),
@@ -848,7 +859,7 @@
           return;
         } catch (err) {
           const visibleStep = getVisibleStep(currentState, 8);
-          const authLoginStep = getAuthLoginStepForVisibleStep(visibleStep);
+          const authLoginStep = getAuthLoginStepForState(currentState, visibleStep);
           let currentError = err;
           let retryWithoutStep7 = false;
 
diff --git a/flows/openai/content/openai-auth.js b/flows/openai/content/openai-auth.js
index f62fa29..013b242 100644
--- a/flows/openai/content/openai-auth.js
+++ b/flows/openai/content/openai-auth.js
@@ -2961,6 +2961,27 @@ function isLikelyLoggedInChatgptHomeUrl(rawUrl = location.href) {
   }
 }
 
+function isStep5CompletionChatgptUrl(rawUrl = location.href) {
+  const url = String(rawUrl || '').trim();
+  if (!url) {
+    return false;
+  }
+
+  try {
+    const parsed = new URL(url);
+    const protocol = String(parsed.protocol || '').toLowerCase();
+    const host = String(parsed.hostname || '').toLowerCase();
+    if (protocol !== 'https:' || !['chatgpt.com', 'www.chatgpt.com'].includes(host)) {
+      return false;
+    }
+
+    const path = String(parsed.pathname || '');
+    return !/^\/(?:auth\/|create-account\/|email-verification|log-in|add-phone)(?:[/?#]|$)/i.test(path);
+  } catch {
+    return false;
+  }
+}
+
 function getStep4PostVerificationState(options = {}) {
   const { ignoreVerificationVisibility = false } = options;
   // Newer auth flows can briefly render profile fields before the email-verification
@@ -6693,43 +6714,13 @@ function getStep5PostSubmitSuccessState() {
     return null;
   }
 
-  if (isLikelyLoggedInChatgptHomeUrl()) {
+  if (isStep5CompletionChatgptUrl()) {
     return {
       state: 'logged_in_home',
       url: location.href,
     };
   }
 
-  if (typeof isOAuthConsentPage === 'function' && isOAuthConsentPage()) {
-    return {
-      state: 'oauth_consent',
-      url: location.href,
-    };
-  }
-
-  if (typeof isAddPhonePageReady === 'function' && isAddPhonePageReady()) {
-    return {
-      state: 'add_phone',
-      url: location.href,
-    };
-  }
-
-  if (!isStep5ProfileStillVisible()) {
-    try {
-      const parsed = new URL(String(location.href || '').trim());
-      const host = String(parsed.hostname || '').toLowerCase();
-      if (['auth.openai.com', 'auth0.openai.com', 'accounts.openai.com'].includes(host)) {
-        return null;
-      }
-    } catch {
-      // Fall through to the generic "left_profile" success state.
-    }
-    return {
-      state: 'left_profile',
-      url: location.href,
-    };
-  }
-
   return null;
 }
 
@@ -6764,6 +6755,29 @@ function getStep5SubmitState() {
   };
 }
 
+function logStep5SubmitDebug(message, options = {}) {
+  const resolvedState = options?.state && typeof options.state === 'object'
+    ? options.state
+    : getStep5SubmitState();
+  const summary = [
+    `url=${resolvedState?.url || location.href}`,
+    `retryPage=${Boolean(resolvedState?.retryPage)}`,
+    `retryEnabled=${Boolean(resolvedState?.retryEnabled)}`,
+    `successState=${resolvedState?.successState || 'none'}`,
+    `profileVisible=${Boolean(resolvedState?.profileVisible)}`,
+    `unknownAuthPage=${Boolean(resolvedState?.unknownAuthPage)}`,
+    `maxCheckAttemptsBlocked=${Boolean(resolvedState?.maxCheckAttemptsBlocked)}`,
+    `userAlreadyExistsBlocked=${Boolean(resolvedState?.userAlreadyExistsBlocked)}`,
+    resolvedState?.errorText ? `errorText=${resolvedState.errorText}` : null,
+  ]
+    .filter(Boolean)
+    .join(' | ');
+  log(`步骤 5 [调试] ${message} | ${summary}`, options?.level || 'info', {
+    step: 5,
+    stepKey: 'fill-profile',
+  });
+}
+
 async function recoverStep5SubmitRetryPage(payload = {}) {
   return recoverCurrentAuthRetryPage({
     ...payload,
@@ -6780,14 +6794,21 @@ function installStep5NavigationCompletionReporter(completeOnce) {
   if (typeof window === 'undefined' || typeof window.addEventListener !== 'function') {
     return () => {};
   }
+  const debugLog = typeof logStep5SubmitDebug === 'function'
+    ? logStep5SubmitDebug
+    : (message, options = {}) => {
+        if (typeof log === 'function') {
+          log(`步骤 5 [调试] ${message}`, options?.level || 'info', {
+            step: 5,
+            stepKey: 'fill-profile',
+          });
+        }
+      };
 
-  const onNavigationStarted = () => {
-    completeOnce({
-      navigationStarted: true,
-      outcome: {
-        state: 'navigation_started',
-        url: location.href,
-      },
+  const onNavigationStarted = (event) => {
+    const eventType = String(event?.type || 'navigation').trim() || 'navigation';
+    debugLog(`检测到页面开始导航（event=${eventType}）。`, {
+      level: 'warn',
     });
   };
 
@@ -6801,6 +6822,16 @@ function installStep5NavigationCompletionReporter(completeOnce) {
 }
 
 async function waitForStep5SubmitOutcome(options = {}) {
+  const debugLog = typeof logStep5SubmitDebug === 'function'
+    ? logStep5SubmitDebug
+    : (message, logOptions = {}) => {
+        if (typeof log === 'function') {
+          log(`步骤 5 [调试] ${message}`, logOptions?.level || 'info', {
+            step: 5,
+            stepKey: 'fill-profile',
+          });
+        }
+      };
   const {
     timeoutMs = 120000,
     maxAuthRetryRecoveries = 2,
@@ -6828,6 +6859,9 @@ async function waitForStep5SubmitOutcome(options = {}) {
         throw new Error(`步骤 5：资料提交后连续进入认证重试页 ${maxAuthRetryRecoveries} 次，页面仍未恢复。URL: ${location.href}`);
       }
       authRetryRecoveryCount += 1;
+      debugLog(`检测到资料提交后的认证重试页，准备执行恢复（${authRetryRecoveryCount}/${maxAuthRetryRecoveries}）。`, {
+        level: 'warn',
+      });
       log(`步骤 5：资料提交后进入认证重试页，正在自动恢复（${authRetryRecoveryCount}/${maxAuthRetryRecoveries}）...`, 'warn');
       await recoverCurrentAuthRetryPage({
         flow: 'signup',
@@ -6837,12 +6871,18 @@ async function waitForStep5SubmitOutcome(options = {}) {
         step: 5,
         timeoutMs: 12000,
       });
+      debugLog('认证重试页恢复动作已完成，准备继续等待最终结果。', {
+        level: 'info',
+      });
       lastSubmitClickAt = Date.now();
       continue;
     }
 
     const successState = getStep5PostSubmitSuccessState();
     if (successState) {
+      debugLog(`检测到资料提交成功状态：${successState.state || 'unknown'}`, {
+        level: 'ok',
+      });
       return successState;
     }
 
@@ -7146,8 +7186,23 @@ async function step5_fillNameBirthday(payload) {
   }
 
   let reportedCompletionPayload = null;
+  const debugLog = typeof logStep5SubmitDebug === 'function'
+    ? logStep5SubmitDebug
+    : (message, logOptions = {}) => {
+        if (typeof log === 'function') {
+          log(`步骤 5 [调试] ${message}`, logOptions?.level || 'info', {
+            step: 5,
+            stepKey: 'fill-profile',
+          });
+        }
+      };
   function completeStep5Once(extra = {}) {
+    const completionReason = extra?.outcome?.state
+      || (extra?.navigationStarted ? `navigation_started:${extra?.navigationEventType || 'unknown'}` : 'direct_completion');
     if (reportedCompletionPayload) {
+      debugLog(`忽略重复完成信号（reason=${completionReason}）。`, {
+        level: 'warn',
+      });
       return reportedCompletionPayload;
     }
 
@@ -7156,6 +7211,9 @@ async function step5_fillNameBirthday(payload) {
       navigationStarted: Boolean(extra.navigationStarted),
       outcome: extra.outcome || null,
     });
+    debugLog(`准备发送完成信号（reason=${completionReason}，isAgeMode=${isAgeMode}）。`, {
+      level: extra?.navigationStarted ? 'warn' : 'info',
+    });
     reportedCompletionPayload = completionPayload;
     reportComplete(5, completionPayload);
     return completionPayload;
diff --git a/flows/openai/workflow.js b/flows/openai/workflow.js
index 59d0ad1..ddd27e8 100644
--- a/flows/openai/workflow.js
+++ b/flows/openai/workflow.js
@@ -5,12 +5,14 @@
   const SIGNUP_METHOD_PHONE = 'phone';
   const PLUS_PAYMENT_METHOD_PAYPAL = 'paypal';
   const PLUS_PAYMENT_METHOD_PAYPAL_HOSTED = 'paypal-hosted';
+  const PLUS_PAYMENT_METHOD_NONE = 'none';
   const PLUS_PAYMENT_METHOD_GOPAY = 'gopay';
   const PLUS_PAYMENT_METHOD_GPC_HELPER = 'gpc-helper';
   const PLUS_ACCOUNT_ACCESS_STRATEGY_OAUTH = 'oauth';
   const PLUS_ACCOUNT_ACCESS_STRATEGY_SUB2API_CODEX_SESSION = 'sub2api_codex_session';
   const PLUS_ACCOUNT_ACCESS_STRATEGY_CPA_CODEX_SESSION = 'cpa_codex_session';
   const PLUS_PAYMENT_STEP_KEY = 'paypal-approve';
+  const PLUS_REGISTRATION_WAIT_STEP_KEY = 'wait-registration-success';
 
   function freezeDeep(entry) {
     if (!entry || typeof entry !== 'object' || Object.isFrozen(entry)) {
@@ -3014,12 +3016,87 @@
   ]
 });
 
+  const PLUS_PAYMENT_CHAIN_STEP_KEYS = Object.freeze([
+    'plus-checkout-create',
+    'plus-checkout-billing',
+    'paypal-approve',
+    'plus-checkout-return',
+    'paypal-hosted-email',
+    'paypal-hosted-card',
+    'paypal-hosted-create-account',
+    'paypal-hosted-review',
+    'gopay-subscription-confirm',
+  ]);
+
+  function omitPlusPaymentChainSteps(steps = []) {
+    return steps.filter((step) => !PLUS_PAYMENT_CHAIN_STEP_KEYS.includes(String(step?.key || '').trim()));
+  }
+
+  function reindexModeStepDefinitions(steps = []) {
+    return (Array.isArray(steps) ? steps : []).map((step, index) => ({
+      ...step,
+      id: index + 1,
+      order: (index + 1) * 10,
+    }));
+  }
+
+  function getPlusRegistrationWaitStep() {
+    const sourceStep = STEP_VARIANTS.normal.find((step) => step.key === PLUS_REGISTRATION_WAIT_STEP_KEY);
+    return {
+      ...(sourceStep || {
+        key: PLUS_REGISTRATION_WAIT_STEP_KEY,
+        title: '等待注册成功',
+        sourceId: 'chatgpt',
+        driverId: null,
+        command: PLUS_REGISTRATION_WAIT_STEP_KEY,
+        flowId: 'openai',
+      }),
+      id: 6,
+      order: 60,
+    };
+  }
+
+  function shiftPlusStepAfterRegistrationWait(step = {}) {
+    const nextStep = { ...step };
+    const id = Number(step.id);
+    const order = Number(step.order);
+    if (Number.isFinite(id)) {
+      nextStep.id = id + 1;
+    }
+    if (Number.isFinite(order)) {
+      nextStep.order = order + 10;
+    }
+    return nextStep;
+  }
+
+  function insertPlusRegistrationWaitStep(steps = []) {
+    if (!Array.isArray(steps) || steps.some((step) => step.key === PLUS_REGISTRATION_WAIT_STEP_KEY)) {
+      return steps;
+    }
+    const fillProfileIndex = steps.findIndex((step) => step.key === 'fill-profile');
+    if (fillProfileIndex < 0) {
+      return steps;
+    }
+    return steps.flatMap((step, index) => {
+      if (index < fillProfileIndex) {
+        return [step];
+      }
+      if (index === fillProfileIndex) {
+        return [step, getPlusRegistrationWaitStep()];
+      }
+      return [shiftPlusStepAfterRegistrationWait(step)];
+    });
+  }
+
   function isPlusModeEnabled(options = {}) {
     return Boolean(options?.plusModeEnabled || options?.plusMode);
   }
 
   function normalizePlusPaymentMethod(value = '') {
     const normalized = String(value || '').trim().toLowerCase();
+    if (normalized === PLUS_PAYMENT_METHOD_NONE || normalized === 'no-payment' || normalized === 'skip-payment') {
+      return PLUS_PAYMENT_METHOD_NONE;
+    }
     if (normalized === PLUS_PAYMENT_METHOD_PAYPAL_HOSTED || normalized === 'paypal_direct' || normalized === 'paypal-direct') {
       return PLUS_PAYMENT_METHOD_PAYPAL_HOSTED;
     }
@@ -3118,13 +3195,27 @@
   }
 
   function getModeStepDefinitions(options = {}) {
-    return getVariantStepDefinitions(resolveVariantKey(options));
+    const isPlusMode = isPlusModeEnabled(options);
+    let steps = getVariantStepDefinitions(resolveVariantKey(options));
+    if (isPlusMode) {
+      steps = insertPlusRegistrationWaitStep(steps);
+    }
+    if (
+      isPlusMode
+      && normalizePlusPaymentMethod(options?.plusPaymentMethod || options?.paymentMethod) === PLUS_PAYMENT_METHOD_NONE
+    ) {
+      steps = omitPlusPaymentChainSteps(steps);
+    }
+    return reindexModeStepDefinitions(steps);
   }
 
   function getAllSteps() {
     const keyed = new Map();
-    Object.values(STEP_VARIANTS).forEach((steps) => {
-      (Array.isArray(steps) ? steps : []).forEach((step) => {
+    Object.entries(STEP_VARIANTS).forEach(([variantKey, steps]) => {
+      const variantSteps = String(variantKey || '').startsWith('plus')
+        ? insertPlusRegistrationWaitStep(steps)
+        : steps;
+      reindexModeStepDefinitions(variantSteps).forEach((step) => {
         keyed.set(`${step.id}:${step.key}`, step);
       });
     });
diff --git a/gopay-utils.js b/gopay-utils.js
index 1f110b4..3622067 100644
--- a/gopay-utils.js
+++ b/gopay-utils.js
@@ -3,6 +3,7 @@
 })(typeof self !== 'undefined' ? self : globalThis, function createGoPayUtils() {
   const PLUS_PAYMENT_METHOD_PAYPAL = 'paypal';
   const PLUS_PAYMENT_METHOD_PAYPAL_HOSTED = 'paypal-hosted';
+  const PLUS_PAYMENT_METHOD_NONE = 'none';
   const PLUS_PAYMENT_METHOD_GOPAY = 'gopay';
   const PLUS_PAYMENT_METHOD_GPC_HELPER = 'gpc-helper';
   const DEFAULT_GPC_HELPER_API_URL = 'https://gpc.qlhazycoder.top';
@@ -12,6 +13,9 @@
 
   function normalizePlusPaymentMethod(value = '') {
     const normalized = String(value || '').trim().toLowerCase();
+    if (normalized === PLUS_PAYMENT_METHOD_NONE || normalized === 'no-payment' || normalized === 'skip-payment') {
+      return PLUS_PAYMENT_METHOD_NONE;
+    }
     if (normalized === PLUS_PAYMENT_METHOD_PAYPAL_HOSTED || normalized === 'paypal_direct' || normalized === 'paypal-direct') {
       return PLUS_PAYMENT_METHOD_PAYPAL_HOSTED;
     }
@@ -419,6 +423,7 @@
     GPC_HELPER_PHONE_MODE_MANUAL,
     PLUS_PAYMENT_METHOD_GPC_HELPER,
     PLUS_PAYMENT_METHOD_GOPAY,
+    PLUS_PAYMENT_METHOD_NONE,
     PLUS_PAYMENT_METHOD_PAYPAL,
     PLUS_PAYMENT_METHOD_PAYPAL_HOSTED,
     buildGpcCardBalanceUrl,
diff --git a/sidepanel/sidepanel.html b/sidepanel/sidepanel.html
index 892e196..ccc80e7 100644
--- a/sidepanel/sidepanel.html
+++ b/sidepanel/sidepanel.html
@@ -326,6 +326,7 @@
         <span class="data-label">Plus 支付</span>
         <div class="data-inline">
           <select id="select-plus-payment-method" class="data-select">
+            <option value="none">无需支付</option>
             <option value="paypal-hosted">PayPal 无卡直绑</option>
             <option value="paypal">PayPal</option>
             <!--
diff --git a/sidepanel/sidepanel.js b/sidepanel/sidepanel.js
index 11abee8..dd3ae4d 100644
--- a/sidepanel/sidepanel.js
+++ b/sidepanel/sidepanel.js
@@ -552,6 +552,7 @@ const autoHintText = document.querySelector('.auto-hint');
 const stepsList = document.querySelector('.steps-list');
 const PLUS_PAYMENT_METHOD_PAYPAL = 'paypal';
 const PLUS_PAYMENT_METHOD_PAYPAL_HOSTED = 'paypal-hosted';
+const PLUS_PAYMENT_METHOD_NONE = 'none';
 const PLUS_PAYMENT_METHOD_GOPAY = 'gopay';
 const PLUS_PAYMENT_METHOD_GPC_HELPER = 'gpc-helper';
 const DEFAULT_GPC_HELPER_API_URL = 'https://gpc.qlhazycoder.top';
@@ -3075,7 +3076,11 @@ function normalizePlusPaymentMethod(value = '') {
   const gpcValue = typeof PLUS_PAYMENT_METHOD_GPC_HELPER !== 'undefined' ? PLUS_PAYMENT_METHOD_GPC_HELPER : 'gpc-helper';
   const paypalValue = typeof PLUS_PAYMENT_METHOD_PAYPAL !== 'undefined' ? PLUS_PAYMENT_METHOD_PAYPAL : 'paypal';
   const paypalHostedValue = typeof PLUS_PAYMENT_METHOD_PAYPAL_HOSTED !== 'undefined' ? PLUS_PAYMENT_METHOD_PAYPAL_HOSTED : 'paypal-hosted';
+  const noneValue = typeof PLUS_PAYMENT_METHOD_NONE !== 'undefined' ? PLUS_PAYMENT_METHOD_NONE : 'none';
   const normalized = String(value || '').trim().toLowerCase();
+  if (normalized === noneValue || normalized === 'no-payment' || normalized === 'skip-payment') {
+    return noneValue;
+  }
   if (normalized === paypalHostedValue || normalized === 'paypal_direct' || normalized === 'paypal-direct') {
     return paypalHostedValue;
   }
@@ -9502,6 +9507,7 @@ function updatePhoneVerificationSettingsUI() {
 function updatePlusModeUI() {
   const paypalValue = typeof PLUS_PAYMENT_METHOD_PAYPAL !== 'undefined' ? PLUS_PAYMENT_METHOD_PAYPAL : 'paypal';
   const paypalHostedValue = typeof PLUS_PAYMENT_METHOD_PAYPAL_HOSTED !== 'undefined' ? PLUS_PAYMENT_METHOD_PAYPAL_HOSTED : 'paypal-hosted';
+  const noneValue = typeof PLUS_PAYMENT_METHOD_NONE !== 'undefined' ? PLUS_PAYMENT_METHOD_NONE : 'none';
   const gopayValue = typeof PLUS_PAYMENT_METHOD_GOPAY !== 'undefined' ? PLUS_PAYMENT_METHOD_GOPAY : 'gopay';
   const gpcValue = typeof PLUS_PAYMENT_METHOD_GPC_HELPER !== 'undefined' ? PLUS_PAYMENT_METHOD_GPC_HELPER : 'gpc-helper';
   const oauthStrategyValue = typeof PLUS_ACCOUNT_ACCESS_STRATEGY_OAUTH !== 'undefined'
@@ -9655,6 +9661,8 @@ function updatePlusModeUI() {
       ? `GPC ${isGpcAutoMode ? '自动' : '手动'}订阅链路`
       : method === gopayValue
       ? 'GoPay 印尼订阅链路'
+      : method === noneValue
+      ? '已有 Plus，无需配置支付链路'
       : method === paypalHostedValue
       ? 'PayPal 无卡直绑链路'
       : 'PayPal 订阅链路';
diff --git a/tests/background-message-router-step2-skip.test.js b/tests/background-message-router-step2-skip.test.js
index bfa2b1d..faabc0d 100644
--- a/tests/background-message-router-step2-skip.test.js
+++ b/tests/background-message-router-step2-skip.test.js
@@ -111,12 +111,12 @@ function createRouter(overrides = {}) {
     deleteIcloudAlias: async () => {},
     deleteUsedIcloudAliases: async () => {},
     disableUsedLuckmailPurchases: async () => {},
-    doesNodeUseCompletionSignal: () => false,
+    doesNodeUseCompletionSignal: overrides.doesNodeUseCompletionSignal || (() => false),
     ensureManualInteractionAllowed: async () => ({}),
     executeNode: async (nodeId) => {
       events.executedSteps.push(getStepForNode(nodeId) || nodeId);
     },
-    executeNodeViaCompletionSignal: async () => {},
+    executeNodeViaCompletionSignal: overrides.executeNodeViaCompletionSignal || (async () => ({})),
     exportSettingsBundle: async () => ({}),
     fetchGeneratedEmail: async () => '',
     finalizePhoneActivationAfterSuccessfulFlow: overrides.finalizePhoneActivationAfterSuccessfulFlow || (async (state) => {
@@ -125,6 +125,7 @@ function createRouter(overrides = {}) {
     finalizeStep3Completion: overrides.finalizeStep3Completion || (async (payload) => {
       events.finalizePayloads.push(payload);
     }),
+    finalizeStep5Completion: overrides.finalizeStep5Completion,
     finalizeIcloudAliasAfterSuccessfulFlow: overrides.finalizeIcloudAliasAfterSuccessfulFlow || (async () => {}),
     findHotmailAccount: async () => null,
     flushCommand: async () => {},
@@ -752,3 +753,83 @@ test('message router ignores stale step 2 completion while auto-run is already o
   assert.deepStrictEqual(events.emailStates, []);
   assert.equal(events.logs.some(({ message }) => /忽略过期的节点 submit-signup-email 完成消息/.test(message)), true);
 });
+
+test('message router defers fill-profile completion status until background validation', async () => {
+  const { router, events } = createRouter({
+    state: {
+      currentNodeId: 'fill-profile',
+      nodeStatuses: {
+        'fill-profile': 'running',
+        'wait-registration-success': 'pending',
+      },
+    },
+  });
+
+  const response = await router.handleMessage({
+    type: 'NODE_COMPLETE',
+    nodeId: 'fill-profile',
+    payload: {
+      nodeId: 'fill-profile',
+      outcome: 'navigation_started',
+      url: 'https://auth.openai.com/about-you',
+      navigationStarted: true,
+    },
+  }, {});
+
+  assert.deepStrictEqual(response, { ok: true });
+  assert.deepStrictEqual(events.stepStatuses, []);
+  assert.deepStrictEqual(events.nodeStatuses, []);
+  assert.deepStrictEqual(events.notifyCompletions, [
+    {
+      step: 5,
+      nodeId: 'fill-profile',
+      payload: {
+        nodeId: 'fill-profile',
+        outcome: 'navigation_started',
+        url: 'https://auth.openai.com/about-you',
+        navigationStarted: true,
+        step: 5,
+      },
+    },
+  ]);
+  assert.equal(events.logs.some(({ message }) => /等待后台最终复核后再标记完成/.test(message)), true);
+});
+
+test('message router finalizes manual fill-profile execution through background validation', async () => {
+  const finalizePayloads = [];
+  const { router } = createRouter({
+    state: {
+      currentNodeId: 'fill-profile',
+      nodeStatuses: {
+        'fill-profile': 'pending',
+      },
+    },
+    executeNodeViaCompletionSignal: async (nodeId) => ({
+      nodeId,
+      outcome: 'logged_in_home',
+      url: 'https://chatgpt.com/',
+    }),
+    doesNodeUseCompletionSignal: (nodeId) => nodeId === 'fill-profile',
+    finalizeStep5Completion: async (payload) => {
+      finalizePayloads.push(payload);
+    },
+  });
+
+  const response = await router.handleMessage({
+    type: 'EXECUTE_NODE',
+    source: 'sidepanel',
+    nodeId: 'fill-profile',
+    payload: {
+      nodeId: 'fill-profile',
+    },
+  }, {});
+
+  assert.deepStrictEqual(response, { ok: true });
+  assert.deepStrictEqual(finalizePayloads, [
+    {
+      nodeId: 'fill-profile',
+      outcome: 'logged_in_home',
+      url: 'https://chatgpt.com/',
+    },
+  ]);
+});
diff --git a/tests/background-step5-post-completion-validation.test.js b/tests/background-step5-post-completion-validation.test.js
index d7ae08d..690e8a0 100644
--- a/tests/background-step5-post-completion-validation.test.js
+++ b/tests/background-step5-post-completion-validation.test.js
@@ -110,6 +110,7 @@ async function waitForTabStableComplete() {}
 ${extractFunction('parseUrlSafely')}
 ${extractFunction('isSignupEntryHost')}
 ${extractFunction('isLikelyLoggedInChatgptHomeUrl')}
+${extractFunction('isStep5CompletionChatgptUrl')}
 ${extractFunction('getStep5SubmitStateFromContent')}
 ${extractFunction('recoverStep5SubmitRetryPageOnTab')}
 ${extractFunction('validateStep5PostCompletion')}
@@ -138,3 +139,65 @@ return {
     true
   );
 });
+
+test('step 5 post-completion validation rejects non-chatgpt success candidates', async () => {
+  const api = new Function(`
+const logs = [];
+const chrome = {
+  tabs: {
+    async get() {
+      return { url: 'https://auth.openai.com/sign-in-with-chatgpt/codex/consent' };
+    },
+  },
+};
+
+async function sendToContentScriptResilient(source, message) {
+  if (message.type === 'GET_STEP5_SUBMIT_STATE') {
+    return {
+      retryPage: false,
+      retryEnabled: false,
+      maxCheckAttemptsBlocked: false,
+      userAlreadyExistsBlocked: false,
+      successState: 'oauth_consent',
+      profileVisible: false,
+      errorText: '',
+      unknownAuthPage: false,
+      url: 'https://auth.openai.com/sign-in-with-chatgpt/codex/consent',
+    };
+  }
+  throw new Error('unexpected message type: ' + message.type);
+}
+
+async function addLog(message, level, meta) {
+  logs.push({ message, level, meta });
+}
+
+async function waitForTabStableComplete() {}
+
+${extractFunction('parseUrlSafely')}
+${extractFunction('isSignupEntryHost')}
+${extractFunction('isLikelyLoggedInChatgptHomeUrl')}
+${extractFunction('isStep5CompletionChatgptUrl')}
+${extractFunction('getStep5SubmitStateFromContent')}
+${extractFunction('recoverStep5SubmitRetryPageOnTab')}
+${extractFunction('validateStep5PostCompletion')}
+
+return {
+  run() {
+    return validateStep5PostCompletion(99, {});
+  },
+  snapshot() {
+    return { logs };
+  },
+};
+`)();
+
+  await assert.rejects(
+    api.run(),
+    /尚未跳转到 https:\/\/chatgpt\.com/
+  );
+  assert.equal(
+    api.snapshot().logs.some(({ message }) => /非 chatgpt\.com 的步骤 5 完成候选/.test(message)),
+    true
+  );
+});
diff --git a/tests/gopay-utils.test.js b/tests/gopay-utils.test.js
index 873469a..2e4b6e5 100644
--- a/tests/gopay-utils.test.js
+++ b/tests/gopay-utils.test.js
@@ -25,6 +25,8 @@ test('GoPay utils keeps GPC helper payment method distinct', () => {
   const api = loadGoPayUtils();
   assert.equal(api.normalizePlusPaymentMethod('paypal-hosted'), 'paypal-hosted');
   assert.equal(api.normalizePlusPaymentMethod('paypal_direct'), 'paypal-hosted');
+  assert.equal(api.normalizePlusPaymentMethod('none'), 'none');
+  assert.equal(api.normalizePlusPaymentMethod('no-payment'), 'none');
   assert.equal(api.normalizePlusPaymentMethod('gpc-helper'), 'gpc-helper');
   assert.equal(api.normalizePlusPaymentMethod('gopay'), 'gopay');
   assert.equal(api.normalizePlusPaymentMethod('unknown'), 'paypal');
diff --git a/tests/sidepanel-plus-payment-method.test.js b/tests/sidepanel-plus-payment-method.test.js
index c9ec5ce..bdfc27d 100644
--- a/tests/sidepanel-plus-payment-method.test.js
+++ b/tests/sidepanel-plus-payment-method.test.js
@@ -249,6 +249,66 @@ return {
   assert.equal(api.rows.rowPlusHostedCheckoutOauthDelay.style.display, 'none');
 });
 
+test('sidepanel Plus UI supports no-payment mode without payment-specific rows', () => {
+  const bundle = [
+    extractFunction('normalizePlusPaymentMethod'),
+    extractFunction('normalizePlusAccountAccessStrategy'),
+    extractFunction('getSelectedPlusPaymentMethod'),
+    extractFunction('getRequestedPlusAccountAccessStrategy'),
+    extractFunction('normalizeGpcHelperPhoneModeValue'),
+    extractFunction('getGpcHelperAutoModeEnabled'),
+    extractFunction('normalizeGpcAutoModePermissionValue'),
+    extractFunction('getGpcAutoModePermissionFromPayload'),
+    extractFunction('shouldPreserveSelectedGpcAutoMode'),
+    extractFunction('hasGpcAutoModePermissionField'),
+    extractFunction('isGpcAutoModePermissionDenied'),
+    extractFunction('normalizeGpcOtpChannelValue'),
+    extractFunction('updatePlusModeUI'),
+  ].join('\n');
+
+  const api = new Function(`
+let latestState = { plusPaymentMethod: 'none' };
+let currentPlusPaymentMethod = 'none';
+let currentPlusAccountAccessStrategy = 'sub2api_codex_session';
+const inputPlusModeEnabled = { checked: true };
+const selectPlusPaymentMethod = { value: 'none', style: { display: 'none' } };
+const GPC_HELPER_PHONE_MODE_AUTO = 'auto';
+const GPC_HELPER_PHONE_MODE_MANUAL = 'manual';
+const PLUS_PAYMENT_METHOD_NONE = 'none';
+const PLUS_ACCOUNT_ACCESS_STRATEGY_OAUTH = 'oauth';
+const PLUS_ACCOUNT_ACCESS_STRATEGY_SUB2API_CODEX_SESSION = 'sub2api_codex_session';
+const PLUS_ACCOUNT_ACCESS_STRATEGY_CPA_CODEX_SESSION = 'cpa_codex_session';
+const DEFAULT_PLUS_ACCOUNT_ACCESS_STRATEGY = PLUS_ACCOUNT_ACCESS_STRATEGY_OAUTH;
+const plusPaymentMethodCaption = { textContent: '' };
+const rowPayPalAccount = { style: { display: '' } };
+const rowHostedCheckoutVerificationUrl = { style: { display: '' } };
+const rowHostedCheckoutPhone = { style: { display: '' } };
+const rowPlusHostedCheckoutOauthDelay = { style: { display: '' } };
+const rowGoPayPhone = { style: { display: '' } };
+const rowGpcHelperApi = { style: { display: '' } };
+${bundle}
+return {
+  updatePlusModeUI,
+  plusPaymentMethodCaption,
+  rows: {
+    rowPayPalAccount,
+    rowHostedCheckoutVerificationUrl,
+    rowHostedCheckoutPhone,
+    rowPlusHostedCheckoutOauthDelay,
+    rowGoPayPhone,
+    rowGpcHelperApi,
+  },
+};
+`)();
+
+  api.updatePlusModeUI();
+
+  assert.match(api.plusPaymentMethodCaption.textContent, /无需配置支付链路/);
+  Object.values(api.rows).forEach((row) => {
+    assert.equal(row.style.display, 'none');
+  });
+});
+
 test('sidepanel Plus UI can hide Plus controls when the shared flow capability registry disables them', () => {
   const bundle = [
     extractFunction('normalizePlusPaymentMethod'),
diff --git a/tests/step-definitions-module.test.js b/tests/step-definitions-module.test.js
index b134f6c..180ddf4 100644
--- a/tests/step-definitions-module.test.js
+++ b/tests/step-definitions-module.test.js
@@ -99,6 +99,7 @@ test('step definitions module exposes ordered normal and Plus step metadata', ()
       'fill-password',
       'fetch-signup-code',
       'fill-profile',
+      'wait-registration-success',
       'plus-checkout-create',
       'plus-checkout-billing',
       'paypal-approve',
@@ -110,7 +111,7 @@ test('step definitions module exposes ordered normal and Plus step metadata', ()
       'platform-verify',
     ]
   );
-  assert.equal(plusSteps.some((step) => step.key === 'wait-registration-success'), false);
+  assert.equal(plusSteps[5].title, '等待注册成功');
   assert.equal(plusSteps.some((step) => step.key === 'fetch-login-code'), true);
   assert.equal(plusSteps.find((step) => step.key === 'paypal-approve')?.title, 'PayPal 登录与授权');
   assert.equal(plusPhoneSteps[1].title, '注册并输入手机号');
@@ -123,6 +124,7 @@ test('step definitions module exposes ordered normal and Plus step metadata', ()
       'fill-password',
       'fetch-signup-code',
       'fill-profile',
+      'wait-registration-success',
       'plus-checkout-create',
       'plus-checkout-billing',
       'paypal-approve',
@@ -150,14 +152,14 @@ test('step definitions module exposes ordered normal and Plus step metadata', ()
     ]
   );
   assert.equal(goPaySteps.some((step) => step.key === 'paypal-approve'), false);
-  assert.equal(api.getStepById(8, { plusModeEnabled: true, plusPaymentMethod: 'gopay' }), null);
+  assert.equal(api.getStepById(9, { plusModeEnabled: true, plusPaymentMethod: 'gopay' })?.key, 'oauth-login');
   assert.equal(api.getPlusPaymentStepTitle({ plusModeEnabled: true, plusPaymentMethod: 'gopay' }), '');
-  assert.deepStrictEqual(api.getStepIds({ plusModeEnabled: true }), [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14]);
-  assert.equal(api.getLastStepId({ plusModeEnabled: true }), 14);
-  assert.deepStrictEqual(api.getStepIds({ plusModeEnabled: true, signupMethod: 'phone' }), [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15]);
-  assert.equal(api.getLastStepId({ plusModeEnabled: true, signupMethod: 'phone' }), 15);
-  assert.deepStrictEqual(api.getStepIds({ plusModeEnabled: true, signupMethod: 'phone', phoneSignupReloginAfterBindEmailEnabled: true }), [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18]);
-  assert.equal(api.getLastStepId({ plusModeEnabled: true, signupMethod: 'phone', phoneSignupReloginAfterBindEmailEnabled: true }), 18);
+  assert.deepStrictEqual(api.getStepIds({ plusModeEnabled: true }), [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15]);
+  assert.equal(api.getLastStepId({ plusModeEnabled: true }), 15);
+  assert.deepStrictEqual(api.getStepIds({ plusModeEnabled: true, signupMethod: 'phone' }), [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16]);
+  assert.equal(api.getLastStepId({ plusModeEnabled: true, signupMethod: 'phone' }), 16);
+  assert.deepStrictEqual(api.getStepIds({ plusModeEnabled: true, signupMethod: 'phone', phoneSignupReloginAfterBindEmailEnabled: true }), [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19]);
+  assert.equal(api.getLastStepId({ plusModeEnabled: true, signupMethod: 'phone', phoneSignupReloginAfterBindEmailEnabled: true }), 19);
   assert.equal(api.hasFlow('openai'), true);
   assert.equal(api.hasFlow('kiro'), true);
   assert.equal(api.hasFlow('site-a'), false);
@@ -208,8 +210,8 @@ test('step definitions module exposes ordered normal and Plus step metadata', ()
       [],
     ]
   );
-  assert.equal(plusSteps[5].title, '创建 Plus Checkout');
-  assert.equal(plusSteps[7].title, 'PayPal 登录与授权');
+  assert.equal(plusSteps[6].title, '创建 Plus Checkout');
+  assert.equal(plusSteps[8].title, 'PayPal 登录与授权');
 
   assert.deepStrictEqual(
     hostedSteps.map((step) => step.key),
@@ -219,6 +221,7 @@ test('step definitions module exposes ordered normal and Plus step metadata', ()
       'fill-password',
       'fetch-signup-code',
       'fill-profile',
+      'wait-registration-success',
       'plus-checkout-create',
       'paypal-hosted-email',
       'paypal-hosted-card',
@@ -236,8 +239,8 @@ test('step definitions module exposes ordered normal and Plus step metadata', ()
   assert.equal(hostedSteps.some((step) => step.key === 'paypal-hosted-openai-checkout'), false);
   assert.equal(hostedSteps.some((step) => step.key === 'paypal-hosted-verification'), false);
   assert.equal(hostedSteps.find((step) => step.key === 'paypal-hosted-card')?.title, '无卡直绑填写 PayPal 资料');
-  assert.deepStrictEqual(api.getStepIds({ plusModeEnabled: true, plusPaymentMethod: 'paypal-hosted' }), [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14]);
-  assert.equal(api.getLastStepId({ plusModeEnabled: true, plusPaymentMethod: 'paypal-hosted' }), 14);
+  assert.deepStrictEqual(api.getStepIds({ plusModeEnabled: true, plusPaymentMethod: 'paypal-hosted' }), [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15]);
+  assert.equal(api.getLastStepId({ plusModeEnabled: true, plusPaymentMethod: 'paypal-hosted' }), 15);
 
   assert.deepStrictEqual(
     goPaySteps.map((step) => step.key),
@@ -247,6 +250,7 @@ test('step definitions module exposes ordered normal and Plus step metadata', ()
       'fill-password',
       'fetch-signup-code',
       'fill-profile',
+      'wait-registration-success',
       'plus-checkout-create',
       'gopay-subscription-confirm',
       'oauth-login',
@@ -256,10 +260,10 @@ test('step definitions module exposes ordered normal and Plus step metadata', ()
       'platform-verify',
     ]
   );
-  assert.deepStrictEqual(api.getStepIds({ plusModeEnabled: true, plusPaymentMethod: 'gopay' }), [1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 13, 14]);
-  assert.equal(api.getLastStepId({ plusModeEnabled: true, plusPaymentMethod: 'gopay' }), 14);
-  assert.equal(goPaySteps[5].title, '打开 GoPay 订阅页');
-  assert.equal(goPaySteps[6].title, '等待 GoPay 订阅确认');
+  assert.deepStrictEqual(api.getStepIds({ plusModeEnabled: true, plusPaymentMethod: 'gopay' }), [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13]);
+  assert.equal(api.getLastStepId({ plusModeEnabled: true, plusPaymentMethod: 'gopay' }), 13);
+  assert.equal(goPaySteps[6].title, '打开 GoPay 订阅页');
+  assert.equal(goPaySteps[7].title, '等待 GoPay 订阅确认');
 
   assert.deepStrictEqual(
     gpcSteps.map((step) => step.key),
@@ -269,6 +273,7 @@ test('step definitions module exposes ordered normal and Plus step metadata', ()
       'fill-password',
       'fetch-signup-code',
       'fill-profile',
+      'wait-registration-success',
       'plus-checkout-create',
       'plus-checkout-billing',
       'oauth-login',
@@ -278,10 +283,120 @@ test('step definitions module exposes ordered normal and Plus step metadata', ()
       'platform-verify',
     ]
   );
-  assert.deepStrictEqual(api.getStepIds({ plusModeEnabled: true, plusPaymentMethod: 'gpc-helper' }), [1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 13, 14]);
-  assert.equal(api.getLastStepId({ plusModeEnabled: true, plusPaymentMethod: 'gpc-helper' }), 14);
-  assert.equal(gpcSteps[5].title, '创建 GPC 订单');
-  assert.equal(gpcSteps[6].title, '等待 GPC 任务完成');
+  assert.deepStrictEqual(api.getStepIds({ plusModeEnabled: true, plusPaymentMethod: 'gpc-helper' }), [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13]);
+  assert.equal(api.getLastStepId({ plusModeEnabled: true, plusPaymentMethod: 'gpc-helper' }), 13);
+  assert.equal(gpcSteps[6].title, '创建 GPC 订单');
+  assert.equal(gpcSteps[7].title, '等待 GPC 任务完成');
+});
+
+test('Plus no-payment mode removes only payment chain nodes', () => {
+  const globalScope = {};
+  const api = new Function('self', `${readStepDefinitionsBundle()}; return self.MultiPageStepDefinitions;`)(globalScope);
+  const paymentChainKeys = [
+    'plus-checkout-create',
+    'plus-checkout-billing',
+    'paypal-approve',
+    'plus-checkout-return',
+    'paypal-hosted-email',
+    'paypal-hosted-card',
+    'paypal-hosted-create-account',
+    'paypal-hosted-review',
+    'gopay-subscription-confirm',
+  ];
+
+  const oauthSteps = api.getSteps({ plusModeEnabled: true, plusPaymentMethod: 'none' });
+  const oauthNodes = api.getNodes({ plusModeEnabled: true, plusPaymentMethod: 'none' });
+  const oauthStepKeys = oauthSteps.map((step) => step.key);
+
+  assert.deepStrictEqual(oauthStepKeys, [
+    'open-chatgpt',
+    'submit-signup-email',
+    'fill-password',
+    'fetch-signup-code',
+    'fill-profile',
+    'wait-registration-success',
+    'oauth-login',
+    'fetch-login-code',
+    'post-login-phone-verification',
+    'confirm-oauth',
+    'platform-verify',
+  ]);
+  paymentChainKeys.forEach((key) => {
+    assert.equal(oauthStepKeys.includes(key), false, `no-payment OAuth should not keep ${key}`);
+    assert.equal(oauthNodes.some((node) => node.nodeId === key), false, `no-payment OAuth nodes should not keep ${key}`);
+  });
+  assert.deepStrictEqual(api.getStepIds({ plusModeEnabled: true, plusPaymentMethod: 'none' }), [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]);
+  assert.equal(api.getPlusPaymentStepTitle({ plusModeEnabled: true, plusPaymentMethod: 'none' }), '');
+  assert.deepStrictEqual(
+    oauthNodes.find((node) => node.nodeId === 'fill-profile')?.next,
+    ['wait-registration-success']
+  );
+  assert.deepStrictEqual(
+    oauthNodes.find((node) => node.nodeId === 'wait-registration-success')?.next,
+    ['oauth-login']
+  );
+
+  const sub2apiSteps = api.getSteps({
+    plusModeEnabled: true,
+    plusPaymentMethod: 'none',
+    plusAccountAccessStrategy: 'sub2api_codex_session',
+  });
+  const sub2apiNodes = api.getNodes({
+    plusModeEnabled: true,
+    plusPaymentMethod: 'none',
+    plusAccountAccessStrategy: 'sub2api_codex_session',
+  });
+  assert.deepStrictEqual(sub2apiSteps.map((step) => step.key), [
+    'open-chatgpt',
+    'submit-signup-email',
+    'fill-password',
+    'fetch-signup-code',
+    'fill-profile',
+    'wait-registration-success',
+    'sub2api-session-import',
+  ]);
+  paymentChainKeys.forEach((key) => {
+    assert.equal(sub2apiSteps.some((step) => step.key === key), false, `no-payment SUB2API should not keep ${key}`);
+  });
+  assert.deepStrictEqual(api.getStepIds({
+    plusModeEnabled: true,
+    plusPaymentMethod: 'none',
+    plusAccountAccessStrategy: 'sub2api_codex_session',
+  }), [1, 2, 3, 4, 5, 6, 7]);
+  assert.equal(sub2apiNodes.at(-1)?.nodeId, 'sub2api-session-import');
+  assert.deepStrictEqual(sub2apiNodes.find((node) => node.nodeId === 'fill-profile')?.next, ['wait-registration-success']);
+  assert.deepStrictEqual(sub2apiNodes.find((node) => node.nodeId === 'wait-registration-success')?.next, ['sub2api-session-import']);
+
+  const cpaSteps = api.getSteps({
+    plusModeEnabled: true,
+    plusPaymentMethod: 'none',
+    plusAccountAccessStrategy: 'cpa_codex_session',
+  });
+  const cpaNodes = api.getNodes({
+    plusModeEnabled: true,
+    plusPaymentMethod: 'none',
+    plusAccountAccessStrategy: 'cpa_codex_session',
+  });
+  assert.deepStrictEqual(cpaSteps.map((step) => step.key), [
+    'open-chatgpt',
+    'submit-signup-email',
+    'fill-password',
+    'fetch-signup-code',
+    'fill-profile',
+    'wait-registration-success',
+    'cpa-session-import',
+  ]);
+  paymentChainKeys.forEach((key) => {
+    assert.equal(cpaSteps.some((step) => step.key === key), false, `no-payment CPA should not keep ${key}`);
+  });
+  assert.deepStrictEqual(api.getStepIds({
+    plusModeEnabled: true,
+    plusPaymentMethod: 'none',
+    plusAccountAccessStrategy: 'cpa_codex_session',
+  }), [1, 2, 3, 4, 5, 6, 7]);
+  assert.equal(cpaNodes.at(-1)?.nodeId, 'cpa-session-import');
+  assert.deepStrictEqual(cpaNodes.find((node) => node.nodeId === 'fill-profile')?.next, ['wait-registration-success']);
+  assert.deepStrictEqual(cpaNodes.find((node) => node.nodeId === 'wait-registration-success')?.next, ['cpa-session-import']);
 });
 
 test('Plus session strategy swaps the OAuth tail for a single SUB2API import node', () => {
@@ -304,7 +419,7 @@ test('Plus session strategy swaps the OAuth tail for a single SUB2API import nod
         plusAccountAccessStrategy: 'sub2api_codex_session',
       },
       previousNodeId: 'plus-checkout-return',
-      expectedStepIds: [1, 2, 3, 4, 5, 6, 7, 8, 9, 10],
+      expectedStepIds: [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11],
     },
     {
       label: 'paypal-hosted',
@@ -314,7 +429,7 @@ test('Plus session strategy swaps the OAuth tail for a single SUB2API import nod
         plusAccountAccessStrategy: 'sub2api_codex_session',
       },
       previousNodeId: 'paypal-hosted-review',
-      expectedStepIds: [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11],
+      expectedStepIds: [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12],
     },
     {
       label: 'gopay',
@@ -324,7 +439,7 @@ test('Plus session strategy swaps the OAuth tail for a single SUB2API import nod
         plusAccountAccessStrategy: 'sub2api_codex_session',
       },
       previousNodeId: 'gopay-subscription-confirm',
-      expectedStepIds: [1, 2, 3, 4, 5, 6, 7, 10],
+      expectedStepIds: [1, 2, 3, 4, 5, 6, 7, 8, 9],
     },
     {
       label: 'gpc-helper',
@@ -334,7 +449,7 @@ test('Plus session strategy swaps the OAuth tail for a single SUB2API import nod
         plusAccountAccessStrategy: 'sub2api_codex_session',
       },
       previousNodeId: 'plus-checkout-billing',
-      expectedStepIds: [1, 2, 3, 4, 5, 6, 7, 10],
+      expectedStepIds: [1, 2, 3, 4, 5, 6, 7, 8, 9],
     },
   ].forEach(({ label, options, previousNodeId, expectedStepIds }) => {
     const steps = api.getSteps(options);
@@ -342,6 +457,7 @@ test('Plus session strategy swaps the OAuth tail for a single SUB2API import nod
     const stepKeys = steps.map((step) => step.key);
     const nodeIds = nodes.map((node) => node.nodeId);
     const previousNode = nodes.find((node) => node.nodeId === previousNodeId);
+    const waitNode = nodes.find((node) => node.nodeId === 'wait-registration-success');
     const sessionImportNode = nodes.find((node) => node.nodeId === 'sub2api-session-import');
 
     assert.equal(stepKeys.at(-1), 'sub2api-session-import', `${label} should end with session import`);
@@ -352,6 +468,7 @@ test('Plus session strategy swaps the OAuth tail for a single SUB2API import nod
     });
     assert.deepStrictEqual(api.getStepIds(options), expectedStepIds, `${label} step ids should follow the new tail`);
     assert.equal(api.getLastStepId(options), expectedStepIds.at(-1), `${label} last step id should match session import`);
+    assert.deepStrictEqual(waitNode?.next, ['plus-checkout-create'], `${label} wait node should link to checkout chain`);
     assert.deepStrictEqual(previousNode?.next, ['sub2api-session-import'], `${label} previous node should link to session import`);
     assert.deepStrictEqual(sessionImportNode?.next, [], `${label} session import should be terminal`);
   });
@@ -393,7 +510,7 @@ test('Plus session strategy swaps the OAuth tail for a single CPA import node',
         plusAccountAccessStrategy: 'cpa_codex_session',
       },
       previousNodeId: 'plus-checkout-return',
-      expectedStepIds: [1, 2, 3, 4, 5, 6, 7, 8, 9, 10],
+      expectedStepIds: [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11],
     },
     {
       label: 'paypal-hosted',
@@ -403,7 +520,7 @@ test('Plus session strategy swaps the OAuth tail for a single CPA import node',
         plusAccountAccessStrategy: 'cpa_codex_session',
       },
       previousNodeId: 'paypal-hosted-review',
-      expectedStepIds: [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11],
+      expectedStepIds: [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12],
     },
     {
       label: 'gopay',
@@ -413,7 +530,7 @@ test('Plus session strategy swaps the OAuth tail for a single CPA import node',
         plusAccountAccessStrategy: 'cpa_codex_session',
       },
       previousNodeId: 'gopay-subscription-confirm',
-      expectedStepIds: [1, 2, 3, 4, 5, 6, 7, 10],
+      expectedStepIds: [1, 2, 3, 4, 5, 6, 7, 8, 9],
     },
     {
       label: 'gpc-helper',
@@ -423,7 +540,7 @@ test('Plus session strategy swaps the OAuth tail for a single CPA import node',
         plusAccountAccessStrategy: 'cpa_codex_session',
       },
       previousNodeId: 'plus-checkout-billing',
-      expectedStepIds: [1, 2, 3, 4, 5, 6, 7, 10],
+      expectedStepIds: [1, 2, 3, 4, 5, 6, 7, 8, 9],
     },
   ].forEach(({ label, options, previousNodeId, expectedStepIds }) => {
     const steps = api.getSteps(options);
@@ -431,6 +548,7 @@ test('Plus session strategy swaps the OAuth tail for a single CPA import node',
     const stepKeys = steps.map((step) => step.key);
     const nodeIds = nodes.map((node) => node.nodeId);
     const previousNode = nodes.find((node) => node.nodeId === previousNodeId);
+    const waitNode = nodes.find((node) => node.nodeId === 'wait-registration-success');
     const sessionImportNode = nodes.find((node) => node.nodeId === 'cpa-session-import');
 
     assert.equal(stepKeys.at(-1), 'cpa-session-import', `${label} should end with CPA session import`);
@@ -441,6 +559,7 @@ test('Plus session strategy swaps the OAuth tail for a single CPA import node',
     });
     assert.deepStrictEqual(api.getStepIds(options), expectedStepIds, `${label} step ids should follow the CPA tail`);
     assert.equal(api.getLastStepId(options), expectedStepIds.at(-1), `${label} last step id should match CPA session import`);
+    assert.deepStrictEqual(waitNode?.next, ['plus-checkout-create'], `${label} wait node should link to checkout chain`);
     assert.deepStrictEqual(previousNode?.next, ['cpa-session-import'], `${label} previous node should link to CPA session import`);
     assert.deepStrictEqual(sessionImportNode?.next, [], `${label} CPA session import should be terminal`);
   });
@@ -460,6 +579,7 @@ test('sidepanel html exposes Plus mode, PayPal, and GoPay settings', () => {
   const html = fs.readFileSync('sidepanel/sidepanel.html', 'utf8');
   assert.match(html, /id="input-plus-mode-enabled"/);
   assert.match(html, /id="select-plus-payment-method"/);
+  assert.match(html, /<option value="none">无需支付<\/option>/);
   assert.match(html, /id="select-paypal-account"/);
   assert.match(html, /id="btn-add-paypal-account"/);
   assert.match(html, /id="input-gopay-phone"/);
diff --git a/tests/step5-age-consent.test.js b/tests/step5-age-consent.test.js
index 72fabe6..0df4367 100644
--- a/tests/step5-age-consent.test.js
+++ b/tests/step5-age-consent.test.js
@@ -66,6 +66,7 @@ function getStep5Bundle() {
     extractFunction('waitForStep5SubmitButton'),
     extractFunction('isStep5SubmitButtonClickable'),
     extractFunction('isStep5ProfileStillVisible'),
+    extractFunction('isStep5CompletionChatgptUrl'),
     extractFunction('getStep5PostSubmitSuccessState'),
     extractFunction('installStep5NavigationCompletionReporter'),
     extractFunction('waitForStep5SubmitOutcome'),
diff --git a/tests/step5-direct-complete.test.js b/tests/step5-direct-complete.test.js
index deafa0a..db01ebb 100644
--- a/tests/step5-direct-complete.test.js
+++ b/tests/step5-direct-complete.test.js
@@ -61,6 +61,7 @@ function getStep5OutcomeBundle() {
     extractFunction('waitForStep5SubmitButton'),
     extractFunction('isStep5SubmitButtonClickable'),
     extractFunction('isStep5ProfileStillVisible'),
+    extractFunction('isStep5CompletionChatgptUrl'),
     extractFunction('getStep5PostSubmitSuccessState'),
     extractFunction('installStep5NavigationCompletionReporter'),
     extractFunction('waitForStep5SubmitOutcome'),
@@ -1057,6 +1058,7 @@ function isOAuthConsentPage() { return false; }
 function isAddPhonePageReady() { return false; }
 function isStep5ProfileStillVisible() { return false; }
 
+${extractFunction('isStep5CompletionChatgptUrl')}
 ${extractFunction('getStep5PostSubmitSuccessState')}
 
 return {
@@ -1068,3 +1070,99 @@ return {
 
   assert.equal(api.run(), null);
 });
+
+test('step 5 completion requires https chatgpt.com and rejects auth-success-like pages', () => {
+  const api = new Function(`
+const location = {
+  href: 'https://auth.openai.com/sign-in-with-chatgpt/codex/consent',
+};
+
+function getStep5AuthRetryPageState() { return null; }
+function isStep5ProfileStillVisible() { return false; }
+
+${extractFunction('isStep5CompletionChatgptUrl')}
+${extractFunction('getStep5PostSubmitSuccessState')}
+
+return {
+  run(url) {
+    location.href = url;
+    return getStep5PostSubmitSuccessState();
+  },
+  isCompletion(url) {
+    return isStep5CompletionChatgptUrl(url);
+  },
+};
+`)();
+
+  assert.deepStrictEqual(api.run('https://chatgpt.com/'), {
+    state: 'logged_in_home',
+    url: 'https://chatgpt.com/',
+  });
+  assert.deepStrictEqual(api.run('https://www.chatgpt.com/c/abc'), {
+    state: 'logged_in_home',
+    url: 'https://www.chatgpt.com/c/abc',
+  });
+  assert.equal(api.run('https://auth.openai.com/sign-in-with-chatgpt/codex/consent'), null);
+  assert.equal(api.run('https://auth.openai.com/add-phone'), null);
+  assert.equal(api.run('https://chat.openai.com/'), null);
+  assert.equal(api.run('http://chatgpt.com/'), null);
+  assert.equal(api.isCompletion('https://chatgpt.com/add-phone'), false);
+});
+
+test('step 5 navigation reporter does not complete on beforeunload alone', () => {
+  const api = new Function(`
+const events = [];
+const listeners = new Map();
+const location = {
+  href: 'https://auth.openai.com/about-you',
+};
+const window = {
+  addEventListener(type, handler) {
+    listeners.set(type, handler);
+  },
+  removeEventListener(type) {
+    listeners.delete(type);
+  },
+};
+
+function log(message, level = 'info') {
+  events.push({ type: 'log', message, level });
+}
+function getStep5SubmitState() {
+  return {
+    url: location.href,
+    retryPage: true,
+    retryEnabled: true,
+    successState: '',
+    profileVisible: true,
+    unknownAuthPage: false,
+    maxCheckAttemptsBlocked: false,
+    userAlreadyExistsBlocked: false,
+    errorText: '',
+  };
+}
+
+${extractFunction('logStep5SubmitDebug')}
+${extractFunction('installStep5NavigationCompletionReporter')}
+
+return {
+  run() {
+    let completionCount = 0;
+    const cleanup = installStep5NavigationCompletionReporter(() => {
+      completionCount += 1;
+      events.push({ type: 'complete' });
+    });
+    const beforeUnload = listeners.get('beforeunload');
+    if (beforeUnload) {
+      beforeUnload({ type: 'beforeunload' });
+    }
+    cleanup();
+    return { completionCount, events };
+  },
+};
+`)();
+
+  const result = api.run();
+  assert.equal(result.completionCount, 0);
+  assert.equal(result.events.some((entry) => entry.type === 'log' && /检测到页面开始导航/.test(entry.message)), true);
+});