diff --git a/persona-studio/brain/memory/EXP-999/memory.json b/persona-studio/brain/memory/EXP-999/memory.json
deleted file mode 100644
index 236d9310..00000000
--- a/persona-studio/brain/memory/EXP-999/memory.json
+++ /dev/null
@@ -1,18 +0,0 @@
-{
-  "dev_id": "EXP-999",
-  "conversations": [
-    {
-      "role": "user",
-      "content": "你好",
-      "timestamp": "2026-03-11T02:28:17.656Z"
-    },
-    {
-      "role": "assistant",
-      "content": "你好！我是知秋。告诉我你想做什么，我们一起聊聊方案 😊",
-      "timestamp": "2026-03-11T02:28:17.656Z"
-    }
-  ],
-  "last_topic": "你好",
-  "preferences": {},
-  "updated_at": "2026-03-11T02:28:17.656Z"
-}
\ No newline at end of file