diff --git a/README.md b/README.md
index ba17bb8..417798f 100644
--- a/README.md
+++ b/README.md
@@ -146,7 +146,7 @@ pip install -r requirements.txt
 
 ```env
 # 数据库（默认 SQLite，无需额外配置）
-DATABASE_URL=sqlite+aiosqlite:///hui_brain.db
+DATABASE_URL=sqlite+aiosqlite:///data/hui_brain.db
 
 # OCR（使用 DeepSeek Vision）
 OCR_PROVIDER=deepseek
diff --git a/app/config.py b/app/config.py
index 07b341f..8706757 100644
--- a/app/config.py
+++ b/app/config.py
@@ -46,7 +46,7 @@ class Settings(BaseSettings):
 
     # ──────────────────────────── 数据库 ────────────────────────────
     DATABASE_URL: str = Field(
-        default="sqlite+aiosqlite:///./hui_brain.db",
+        default="sqlite+aiosqlite:///./data/hui_brain.db",
         description="SQLite 数据库连接字符串",
     )