diff --git a/static/app/app.js b/static/app/app.js
index 5f39562..967d22f 100644
--- a/static/app/app.js
+++ b/static/app/app.js
@@ -40,7 +40,8 @@ import {
     loadProviders,
     openProviderManager,
     showAuthModal,
-    executeGenerateAuthUrl
+    executeGenerateAuthUrl,
+    handleGenerateAuthUrl
 } from './provider-manager.js';
 
 import {
@@ -226,6 +227,7 @@ window.refreshProviderConfig = refreshProviderConfig;
 window.fileUploadHandler = fileUploadHandler;
 window.showAuthModal = showAuthModal;
 window.executeGenerateAuthUrl = executeGenerateAuthUrl;
+window.handleGenerateAuthUrl = handleGenerateAuthUrl;
 
 // 配置管理相关全局函数
 window.viewConfig = viewConfig;
diff --git a/static/app/modal.js b/static/app/modal.js
index c20f83d..bc839cc 100644
--- a/static/app/modal.js
+++ b/static/app/modal.js
@@ -1039,6 +1039,34 @@ function showAddProviderForm(providerType) {
         return;
     }
     
+    // Codex OAuth 只支持授权添加，不支持手动添加
+    if (providerType === 'openai-codex-oauth') {
+        const form = document.createElement('div');
+        form.className = 'add-provider-form';
+        form.innerHTML = `
+            <h4 data-i18n="modal.provider.addTitle"><i class="fas fa-plus"></i> 添加新提供商配置</h4>
+            <div class="oauth-only-notice" style="padding: 20px; background: #fef3c7; border: 1px solid #fcd34d; border-radius: 8px; margin: 15px 0;">
+                <div style="display: flex; align-items: center; gap: 10px; margin-bottom: 10px;">
+                    <i class="fas fa-info-circle" style="color: #d97706; font-size: 24px;"></i>
+                    <strong style="color: #92400e;">Codex 仅支持 OAuth 授权添加</strong>
+                </div>
+                <p style="color: #b45309; margin: 0 0 15px 0;">
+                    OpenAI Codex 需要通过 OAuth 授权获取访问令牌，无法手动填写凭据。请点击下方按钮进行授权。
+                </p>
+                <button class="btn btn-primary" onclick="window.handleGenerateAuthUrl && window.handleGenerateAuthUrl('openai-codex-oauth'); this.closest('.add-provider-form').remove();">
+                    <i class="fas fa-key"></i> 开始 OAuth 授权
+                </button>
+                <button class="btn btn-secondary" style="margin-left: 10px;" onclick="this.closest('.add-provider-form').remove()">
+                    <i class="fas fa-times"></i> <span data-i18n="modal.provider.cancel">取消</span>
+                </button>
+            </div>
+        `;
+        
+        const providerList = modal.querySelector('.provider-list');
+        providerList.parentNode.insertBefore(form, providerList);
+        return;
+    }
+    
     const form = document.createElement('div');
     form.className = 'add-provider-form';
     form.innerHTML = `
diff --git a/static/app/provider-manager.js b/static/app/provider-manager.js
index 712223d..1d426d8 100644
--- a/static/app/provider-manager.js
+++ b/static/app/provider-manager.js
@@ -2198,6 +2198,7 @@ export {
     openProviderManager,
     showAuthModal,
     executeGenerateAuthUrl,
+    handleGenerateAuthUrl,
     checkUpdate,
     performUpdate
 };
\ No newline at end of file
diff --git a/static/app/utils.js b/static/app/utils.js
index a75f019..6236e2f 100644
--- a/static/app/utils.js
+++ b/static/app/utils.js
@@ -254,6 +254,12 @@ function getProviderTypeFields(providerType) {
             }
         ],
         'openai-codex-oauth': [
+            {
+                id: 'CODEX_OAUTH_CREDS_FILE_PATH',
+                label: isEn ? 'OAuth Credentials File Path' : 'OAuth凭据文件路径',
+                type: 'text',
+                placeholder: isEn ? 'e.g.: configs/codex/oauth_creds.json' : '例如: configs/codex/oauth_creds.json'
+            },
             {
                 id: 'CODEX_EMAIL',
                 label: isEn ? 'Email (Optional)' : '邮箱 (选填)',
@@ -264,7 +270,7 @@ function getProviderTypeFields(providerType) {
                 id: 'CODEX_BASE_URL',
                 label: `Codex Base URL <span class="optional-tag">${t('config.optional')}</span>`,
                 type: 'text',
-                placeholder: 'https://chatgpt.com/backend-api/codex'
+                placeholder: 'https://api.openai.com/v1/codex'
             }
         ]
     };