fix: 修复DouyinAuthClient方法签名和添加详细调试信息

- 将getAccessToken方法改为async异步方法
- 在构造函数中添加配置和Client创建的调试信息
- 在getAccessToken方法中添加完整的调用流程调试
- 添加try-catch错误处理和详细的错误日志
- 隐藏敏感的clientSecret信息在日志中

src/content-moderation/adapters/DouYinClient.ts

@@ -18,13 +18,29 @@ body:
 export class DouyinAuthClient {
     private readonly client: Client;
     constructor(private config: ConfigService) {
+        console.log('DouyinAuthClient constructor - creating client with:', {
+            clientKey: this.config.get('BYTEDANCE_APP_ID') || '',
+            clientSecret: this.config.get('BYTEDANCE_APP_SECRET') ? '***' : 'empty'
+        });
         this.client = new Client({
             clientKey: this.config.get('BYTEDANCE_APP_ID') || '',
             clientSecret: this.config.get('BYTEDANCE_APP_SECRET') || '',
-        })
+        });
+        console.log('DouyinAuthClient constructor - client created:', !!this.client);
+        console.log('DouyinAuthClient constructor - client.getAccessToken type:', typeof this.client.getAccessToken);
     }
 
-    getAccessToken() {
-        return this.client.getAccessToken()
+    async getAccessToken() {
+        console.log('DouyinAuthClient.getAccessToken called');
+        console.log('client:', !!this.client);
+        console.log('client.getAccessToken type:', typeof this.client.getAccessToken);
+        try {
+            const result = await this.client.getAccessToken();
+            console.log('getAccessToken result:', result);
+            return result;
+        } catch (error) {
+            console.error('getAccessToken error:', error);
+            throw error;
+        }
     }
 }

src/content-moderation/adapters/douyin-content.adapter.ts

@@ -36,6 +36,13 @@ export class DouyinContentAdapter extends BaseContentAdapter {
   ) {
     super(httpService, configService, auditLogRepository);
 
+    // 调试：检查 douyinAuthClient 是否正确注入
+    console.log('DouyinContentAdapter constructor - douyinAuthClient:', this.douyinAuthClient);
+    console.log('douyinAuthClient type:', typeof this.douyinAuthClient);
+    if (this.douyinAuthClient) {
+      console.log('douyinAuthClient.getAccessToken type:', typeof this.douyinAuthClient.getAccessToken);
+    }
+
     // 抖音开放平台配置：clientKey/clientSecret 实际使用的是 APP_ID/APP_SECRET
     this.douyinConfig = {
       clientKey: this.configService.get('BYTEDANCE_APP_ID') || '',
@@ -157,6 +164,17 @@ export class DouyinContentAdapter extends BaseContentAdapter {
    * 获取访问令牌
    */
   private async getAccessToken(): Promise<string> {
+    console.log('getAccessToken called - douyinAuthClient:', this.douyinAuthClient);
+    console.log('douyinAuthClient type:', typeof this.douyinAuthClient);
+    
+    if (!this.douyinAuthClient) {
+      throw new Error('DouyinAuthClient 未正确注入');
+    }
+    
+    if (typeof this.douyinAuthClient.getAccessToken !== 'function') {
+      throw new Error(`DouyinAuthClient.getAccessToken 不是函数，类型: ${typeof this.douyinAuthClient.getAccessToken}`);
+    }
+    
     return this.douyinAuthClient.getAccessToken().then(res => res.accessToken)
   }
 

src/content-moderation/content-moderation.module.ts

@@ -51,6 +51,6 @@ import { ContentAuditGuard } from './guards/content-audit.guard';
     ContentAuditGuard,
   ],
   controllers: [ContentModerationController],
-  exports: [UnifiedContentService, ContentAdapterFactory, ContentAuditGuard],
+  exports: [UnifiedContentService, ContentAdapterFactory, ContentAuditGuard, DouyinAuthClient],
 })
 export class ContentModerationModule {}