增加转账接口

src/Payment/Application.php

@@ -26,7 +26,8 @@ class Application extends ServiceContainer
         Close\ServiceProvider::class,
         Pay\ServiceProvider::class,
         Query\ServiceProvider::class,
-        Refund\ServiceProvider::class
+        Refund\ServiceProvider::class,
+        Fund\ServiceProvider::class
     ];
 
     /**