diff --git a/添加或修改.md b/添加或修改.md
index 8d82a80..daebe39 100644
--- a/添加或修改.md
+++ b/添加或修改.md
@@ -29,7 +29,7 @@ fsql.InsertOrUpdate<T>()
 ## 2、字典插入或更新
 
 ```csharp
-Dictionary<string, object> dic = new Dictionary<string, object>();
+var dic = new Dictionary<string, object>();
 dic.Add("id", 1);
 dic.Add("name", "xxxx");