diff --git a/support-db.md b/support-db.md
index 025fb42..94be341 100644
--- a/support-db.md
+++ b/support-db.md
@@ -31,6 +31,21 @@ appsettings.json 中配置：
 ```
 
 
+### LocalDB（已测试版本：MSSQL）
+
+```
+appsettings.json 中配置：
+
+ "SqlServer": {
+   "Enabled": true,
+   "SqlServerConnection": "Data Source=(localdb)\MSSQLLocalDB;Initial Catalog=wm;Integrated Security=True;Connect Timeout=30;Encrypt=False;TrustServerCertificate=False;ApplicationIntent=ReadWrite;MultiSubnetFailover=False",
+   "ProviderName": "System.Data.SqlClient"
+ },
+
+
+```
+
+
 ### MySql（已测试版本：8.0.18 及以上）
 
 ```