refactor(mcwl-pay): 支付宝转账

mcwl-pay/src/main/java/com/mcwl/pay/service/impl/AliPayServiceImpl.java

@@ -266,6 +266,14 @@ public class AliPayServiceImpl implements AliPayService {
         AlipayFundTransUniTransferResponse response = alipayClient.certificateExecute(request);
         System.out.println(response.getBody());
 
+        if (response.getCode().equals("40004")) {
+
+            // TODO 余额不足，发送邮件提现
+
+            return AjaxResult.error("系统繁忙，请稍后重试");
+        }
+
+
         if (response.isSuccess()) {
             System.out.println("调用成功");
             BigDecimal wallet = new BigDecimal(sysUser.getWallet().toString());