diff --git a/.gitignore b/.gitignore
index adf1b445..f2ea65af 100644
--- a/.gitignore
+++ b/.gitignore
@@ -112,3 +112,6 @@ scripts/batch_package_purchase/assets.example_购买结果_20260715_115814.csv
 scripts/migration/output
 
 .scratch/go-build-cache
+
+# 本地数据库备份（生产 dump，禁止入库）
+back/