diff --git a/Repository.md b/Repository.md
index 21102a1..32ebeb5 100644
--- a/Repository.md
+++ b/Repository.md
@@ -9,8 +9,9 @@ FreeSql.Repository 作为扩展，实现了通用仓储层功能。与其他规
 
 ## 安装
 
-> dotnet add package FreeSql.Repository
-
+```bash
+ dotnet add package FreeSql.Repository
+```
 ## 定义
 
 ```csharp
@@ -61,7 +62,7 @@ public void ConfigureServices(IServiceCollection services) {
 }
 
 //在控制器使用
-public SongsController(GuidRepository<Song> repos1) {
+public SongsController(IBaseRepository<Song> repos1) {
 }
 ```