Update README.md

Author: overtrue

README.md

@@ -150,7 +150,7 @@ protected $routeMiddleware = [
 //...
 Route::group(['middleware' => ['web', 'wechat.oauth']], function () {
     Route::get('/user', function () {
-        $user = session('wechat.oauth_user'); // 拿到授权用户资料
+        $user = session('wechat.oauth_user.default'); // 拿到授权用户资料
 
         dd($user);
     });