diff --git a/persona-studio/brain/memory/EXP-000/memory.json b/persona-studio/brain/memory/EXP-000/memory.json
deleted file mode 100644
index 0771085d..00000000
--- a/persona-studio/brain/memory/EXP-000/memory.json
+++ /dev/null
@@ -1,7 +0,0 @@
-{
-  "dev_id": "EXP-000",
-  "conversations": [],
-  "last_topic": null,
-  "preferences": {},
-  "updated_at": null
-}
\ No newline at end of file
diff --git a/persona-studio/frontend/chat.js b/persona-studio/frontend/chat.js
index 2a11939f..05158e9f 100644
--- a/persona-studio/frontend/chat.js
+++ b/persona-studio/frontend/chat.js
@@ -685,7 +685,7 @@ async function confirmBuild() {
         appendMessage('system', '⏳ 连接后端服务中，正在重试（' + retryCount + '/' + maxRetries + '）...');
         await new Promise(function (r) { setTimeout(r, 1500); });
       } else {
-        appendMessage('system', '⚠️ 任务提交失败：无法连接铸渊后端服务。请检查：\n1. 网络连接是否正常\n2. 后端服务是否已启动（端口 3002）\n3. 如使用 GitHub Pages 访问，请确认 guanghulab.com 服务可用');
+        appendMessage('system', '⚠️ 任务提交失败：无法连接铸渊后端服务。请检查：\n1. 网络连接是否正常\n2. 后端服务是否已启动\n3. 如使用 GitHub Pages 访问，请确认 guanghulab.com 服务可用');
         updatePreviewStatus('error', '连接失败');
       }
     }