feat():修复接口相关逻辑

cloud-pay-server/src/main/java/com/muyu/cloud/pay/controller/OrderPayCustomerController.java

@@ -75,7 +75,7 @@ public class OrderPayCustomerController {
     @Operation(summary = "客户信息的添加",description = "添加支付平台客户信息，添加成功之后才可以使用支付类的产品")
     public Result<String> save(@Validated @RequestBody OrderCustomerAddReq orderCustomerAddReq){
         orderPayCustomerService.save(OrderPayCustomer.addBuild(orderCustomerAddReq));
-        return Result.success();
+        return Result.success(null,"操作成功");
     }