diff --git a/.gitignore b/.gitignore
index 7323972..616b280 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,6 +11,9 @@ Thumbs.db
 # 工作台运行日志与 CDP 自检截图（本地产物，不提交）
 **/mcn-work-shop/server.log
 **/mcn-work-shop/shot-*.png
+# 工作台本地数据库（含账号真实数据，不入库；根目录 0 字节残留同规则）
+mcn-plugin.db
+**/mcn-plugin.db
 # 临时目录与生成产物
 tmp/
 .workbuddy/tmp/
diff --git a/mcn-plugin.db b/mcn-plugin.db
deleted file mode 100644
index e69de29..0000000