diff --git a/Extensions/FreeSql.Extensions.JsonMap/readme.md b/Extensions/FreeSql.Extensions.JsonMap/README.MD
similarity index 99%
rename from Extensions/FreeSql.Extensions.JsonMap/readme.md
rename to Extensions/FreeSql.Extensions.JsonMap/README.MD
index 572deca2..92e9f6fc 100644
--- a/Extensions/FreeSql.Extensions.JsonMap/readme.md
+++ b/Extensions/FreeSql.Extensions.JsonMap/README.MD
@@ -22,4 +22,4 @@ public class S_SysConfig<T>
     [JsonMap]
     public T Config { get; set; }
 }
-```
\ No newline at end of file
+```