diff --git a/FreeSql入门.md b/FreeSql入门.md
index 8bf7126..c964ba3 100644
--- a/FreeSql入门.md
+++ b/FreeSql入门.md
@@ -43,7 +43,7 @@ IFreeSql fsql = new FreeSql.FreeSqlBuilder()
 ## 查询
 
 ```csharp
-var blogs = fsql.Select<Blog>
+var blogs = fsql.Select<Blog>()
     .Where(b => b.Rating > 3)
     .OrderBy(b => b.Url)
     .Skip(100)