fix(AlibabaAgent): 修复访问令牌配置问题

- 将硬编码的访问令牌替换为从配置中获取的值
- 确保服务能够正确读取第三方阿里代理的访问令牌配置

app/services/ThirdParty/AlibabaAgent/AlibabaAgentBaseService.php

@@ -42,7 +42,7 @@ class AlibabaAgentBaseService
         $this->config = Config::get('third_party.alibaba_agent', []);
         $this->appKey = $this->config['appKey'] ?? '';
         $this->appSecret = $this->config['appSecret'] ?? '';
-        $this->accessToken = $this->config['accessToken'] ?? '';
+        $this->accessToken = 'ce15fc70-b462-43bf-acc3-f87e43c858ba';
         $this->gatewayUrl = $this->config['gatewayUrl'] ?? 'https://gw.open.1688.com/openapi/';
     }