Update README.md

Observer5 · web-flow · commit e5c37d248872 · 2022-05-10T10:04:17.000+08:00
diff --git a/README.md b/README.md
@@ -66,7 +66,7 @@ class PddController extends Controller
 #### 使用外观
 
 ```php
-EasyPdd::oauth;
+EasyPdd::offsetGet('oauth');
 
 ```
 
