diff --git a/src/app/admin/page.tsx b/src/app/admin/page.tsx
index 97bdff2..5b76950 100644
--- a/src/app/admin/page.tsx
+++ b/src/app/admin/page.tsx
@@ -7676,6 +7676,9 @@ const AIConfigComponent = ({
   const [enableVideoCardEntry, setEnableVideoCardEntry] = useState(true);
   const [enablePlayPageEntry, setEnablePlayPageEntry] = useState(true);
 
+  // 权限控制
+  const [allowRegularUsers, setAllowRegularUsers] = useState(true);
+
   // 高级设置
   const [temperature, setTemperature] = useState(0.7);
   const [maxTokens, setMaxTokens] = useState(1000);
@@ -7697,6 +7700,7 @@ const AIConfigComponent = ({
       setEnableHomepageEntry(config.AIConfig.EnableHomepageEntry !== false);
       setEnableVideoCardEntry(config.AIConfig.EnableVideoCardEntry !== false);
       setEnablePlayPageEntry(config.AIConfig.EnablePlayPageEntry !== false);
+      setAllowRegularUsers(config.AIConfig.AllowRegularUsers !== false);
       setTemperature(config.AIConfig.Temperature ?? 0.7);
       setMaxTokens(config.AIConfig.MaxTokens ?? 1000);
       setSystemPrompt(config.AIConfig.SystemPrompt || '');
@@ -7726,6 +7730,7 @@ const AIConfigComponent = ({
             EnableHomepageEntry: enableHomepageEntry,
             EnableVideoCardEntry: enableVideoCardEntry,
             EnablePlayPageEntry: enablePlayPageEntry,
+            AllowRegularUsers: allowRegularUsers,
             Temperature: temperature,
             MaxTokens: maxTokens,
             SystemPrompt: systemPrompt,
@@ -8014,6 +8019,33 @@ const AIConfigComponent = ({
         ))}
       </div>
 
+      {/* 权限控制 */}
+      <div className='space-y-3 p-4 border border-gray-200 dark:border-gray-700 rounded-lg'>
+        <h4 className='text-sm font-semibold text-gray-900 dark:text-gray-100 mb-3'>
+          权限控制
+        </h4>
+
+        <div className='flex items-center justify-between py-2'>
+          <div>
+            <div className='text-sm font-medium text-gray-900 dark:text-gray-100'>
+              允许普通用户使用
+            </div>
+            <div className='text-xs text-gray-500 dark:text-gray-400'>
+              关闭后仅站长和管理员可使用AI问片功能
+            </div>
+          </div>
+          <label className='relative inline-flex items-center cursor-pointer'>
+            <input
+              type='checkbox'
+              checked={allowRegularUsers}
+              onChange={(e) => setAllowRegularUsers(e.target.checked)}
+              className='sr-only peer'
+            />
+            <div className="w-11 h-6 bg-gray-200 peer-focus:outline-none peer-focus:ring-4 peer-focus:ring-yellow-300 dark:peer-focus:ring-yellow-800 rounded-full peer dark:bg-gray-700 peer-checked:after:translate-x-full rtl:peer-checked:after:-translate-x-full peer-checked:after:border-white after:content-[''] after:absolute after:top-[2px] after:start-[2px] after:bg-white after:border-gray-300 after:border after:rounded-full after:h-5 after:w-5 after:transition-all dark:border-gray-600 peer-checked:bg-green-600"></div>
+          </label>
+        </div>
+      </div>
+
       {/* 高级设置 */}
       <details className='p-4 border border-gray-200 dark:border-gray-700 rounded-lg'>
         <summary className='text-sm font-semibold text-gray-900 dark:text-gray-100 cursor-pointer'>
diff --git a/src/app/api/admin/ai/route.ts b/src/app/api/admin/ai/route.ts
index 19cf836..5ab6383 100644
--- a/src/app/api/admin/ai/route.ts
+++ b/src/app/api/admin/ai/route.ts
@@ -57,6 +57,7 @@ export async function POST(request: NextRequest) {
       EnableHomepageEntry,
       EnableVideoCardEntry,
       EnablePlayPageEntry,
+      AllowRegularUsers,
       Temperature,
       MaxTokens,
       SystemPrompt,
@@ -89,6 +90,7 @@ export async function POST(request: NextRequest) {
       EnableHomepageEntry: boolean;
       EnableVideoCardEntry: boolean;
       EnablePlayPageEntry: boolean;
+      AllowRegularUsers: boolean;
       Temperature?: number;
       MaxTokens?: number;
       SystemPrompt?: string;
@@ -124,6 +126,7 @@ export async function POST(request: NextRequest) {
       typeof EnableHomepageEntry !== 'boolean' ||
       typeof EnableVideoCardEntry !== 'boolean' ||
       typeof EnablePlayPageEntry !== 'boolean' ||
+      typeof AllowRegularUsers !== 'boolean' ||
       (Temperature !== undefined && typeof Temperature !== 'number') ||
       (MaxTokens !== undefined && typeof MaxTokens !== 'number') ||
       (SystemPrompt !== undefined && typeof SystemPrompt !== 'string')
@@ -171,6 +174,7 @@ export async function POST(request: NextRequest) {
       EnableHomepageEntry,
       EnableVideoCardEntry,
       EnablePlayPageEntry,
+      AllowRegularUsers,
       Temperature,
       MaxTokens,
       SystemPrompt,
diff --git a/src/app/api/ai/chat/route.ts b/src/app/api/ai/chat/route.ts
index c5dd804..3007818 100644
--- a/src/app/api/ai/chat/route.ts
+++ b/src/app/api/ai/chat/route.ts
@@ -8,6 +8,7 @@ import {
   VideoContext,
 } from '@/lib/ai-orchestrator';
 import { getConfig } from '@/lib/config';
+import { db } from '@/lib/db';
 
 export const runtime = 'nodejs';
 
@@ -72,9 +73,6 @@ async function streamClaudeChat(
     maxTokens: number;
   }
 ): Promise<ReadableStream> {
-  // Claude API格式: 移除system消息,单独传递
-  const userMessages = messages.filter((m) => m.role !== 'system');
-
   const response = await fetch('https://api.anthropic.com/v1/messages', {
     method: 'POST',
     headers: {
@@ -87,7 +85,7 @@ async function streamClaudeChat(
       max_tokens: config.maxTokens,
       temperature: config.temperature,
       system: systemPrompt,
-      messages: userMessages,
+      messages: messages,
       stream: true,
     }),
   });
@@ -187,7 +185,23 @@ export async function POST(request: NextRequest) {
       );
     }
 
-    // 3. 解析请求参数
+    // 3. 权限检查：如果不允许普通用户使用，检查用户角色
+    if (!aiConfig.AllowRegularUsers) {
+      const username = authInfo.username;
+      // 站长始终有权限
+      if (username !== process.env.USERNAME) {
+        // 检查是否为管理员
+        const userInfo = await db.getUserInfoV2(username);
+        if (!userInfo || (userInfo.role !== 'admin' && userInfo.role !== 'owner') || userInfo.banned) {
+          return NextResponse.json(
+            { error: '该功能仅限站长和管理员使用' },
+            { status: 403 }
+          );
+        }
+      }
+    }
+
+    // 4. 解析请求参数
     const body = (await request.json()) as ChatRequest;
     const { message, context, history = [] } = body;
 
@@ -214,11 +228,11 @@ export async function POST(request: NextRequest) {
         tavilyApiKey: aiConfig.TavilyApiKey,
         serperApiKey: aiConfig.SerperApiKey,
         serpApiKey: aiConfig.SerpApiKey,
-        // 决策模型配置（固定使用自定义provider）
+        // 决策模型配置（固定使用自定义provider，复用主模型的API配置）
         enableDecisionModel: aiConfig.EnableDecisionModel,
         decisionProvider: 'custom',
-        decisionApiKey: aiConfig.DecisionCustomApiKey,
-        decisionBaseURL: aiConfig.DecisionCustomBaseURL,
+        decisionApiKey: aiConfig.CustomApiKey,
+        decisionBaseURL: aiConfig.CustomBaseURL,
         decisionModel: aiConfig.DecisionCustomModel,
       }
     );
diff --git a/src/app/api/openlist/correct/route.ts b/src/app/api/openlist/correct/route.ts
index 9852de4..1520c7b 100644
--- a/src/app/api/openlist/correct/route.ts
+++ b/src/app/api/openlist/correct/route.ts
@@ -114,7 +114,6 @@ export async function POST(request: NextRequest) {
     metaInfo.folders[key] = {
       folderName: folderName,
       tmdb_id: tmdbId || null,
-      douban_id: doubanId || null,
       title: title,
       poster_path: posterPath,
       release_date: releaseDate || '',
diff --git a/src/app/api/openlist/list/route.ts b/src/app/api/openlist/list/route.ts
index 847c80a..ad1297e 100644
--- a/src/app/api/openlist/list/route.ts
+++ b/src/app/api/openlist/list/route.ts
@@ -130,7 +130,6 @@ export async function GET(request: NextRequest) {
             id: key,
             folder: info.folderName,
             tmdbId: info.tmdb_id,
-            doubanId: info.douban_id,
             title: info.title,
             poster: getTMDBImageUrl(info.poster_path),
             releaseDate: info.release_date,
diff --git a/src/app/play/page.tsx b/src/app/play/page.tsx
index 69a7a79..0d5f7f5 100644
--- a/src/app/play/page.tsx
+++ b/src/app/play/page.tsx
@@ -5641,8 +5641,6 @@ function PlayPageClient() {
             title: detail.title,
             year: detail.year,
             douban_id: videoDoubanId !== 0 ? videoDoubanId : undefined,
-            tmdb_id: detail.tmdb_id,
-            type: detail.type === 'movie' ? 'movie' : 'tv',
             currentEpisode: currentEpisodeIndex + 1,
           }}
           welcomeMessage={`想了解《${detail.title}》的更多信息吗？我可以帮你查询剧情、演员、评价等。`}
diff --git a/src/lib/admin.types.ts b/src/lib/admin.types.ts
index 9c939e3..d2c855d 100644
--- a/src/lib/admin.types.ts
+++ b/src/lib/admin.types.ts
@@ -147,6 +147,8 @@ export interface AdminConfig {
     EnableHomepageEntry: boolean; // 首页入口开关
     EnableVideoCardEntry: boolean; // VideoCard入口开关
     EnablePlayPageEntry: boolean; // 播放页入口开关
+    // 权限控制
+    AllowRegularUsers: boolean; // 是否允许普通用户使用AI问片（关闭后仅站长和管理员可用）
     // 高级设置
     Temperature?: number; // AI温度参数（0-2），默认0.7
     MaxTokens?: number; // 最大回复token数，默认1000