diff --git a/README.md b/README.md
index a6d7d99..35e222f 100644
--- a/README.md
+++ b/README.md
@@ -49,7 +49,8 @@ using IGeekFan.AspNetCore.Knife4jUI;
         });
         c.CustomOperationIds(apiDesc =>
         {
-            return apiDesc.TryGetMethodInfo(out MethodInfo methodInfo) ? methodInfo.Name : null;
+            var controllerAction = apiDesc.ActionDescriptor as ControllerActionDescriptor;
+            return  controllerAction.ControllerName+"-"+controllerAction.ActionName;
         });
     });
 ```
@@ -88,4 +89,4 @@ app.UseEndpoints(endpoints =>
 
 - [https://api.igeekfan.cn/swagger/index.html](https://api.igeekfan.cn/swagger/index.html)
 - [https://github.com/luoyunchong/lin-cms-dotnetcore](https://github.com/luoyunchong/lin-cms-dotnetcore)
-![image](https://pic.downk.cc/item/5f2fa97814195aa594cd5cfc.jpg)
\ No newline at end of file
+![image](https://pic.downk.cc/item/5f2fa97814195aa594cd5cfc.jpg)