diff --git a/src/utils/ai_stream.js b/src/utils/ai_stream.js
index 6bcc751..c12b4e7 100644
--- a/src/utils/ai_stream.js
+++ b/src/utils/ai_stream.js
@@ -1,7 +1,5 @@
 import { getTokenKeySessionStorage } from "@/utils/auth";
 
-// 使用环境变量配置基础URL
-const BASE_URL = null;
 
 /**
  * 创建聊天流式连接