update

app/service/business/payOrder.js

@@ -147,7 +147,7 @@ class PayOrderService extends CrudService {
     let billData;
     let wxBill;
     // 检查是否有本次微信支付部分的账单
-    wxBill = await this.billModel.find({ pay_id });
+    wxBill = await this.billModel.findOne({ pay_id });
     console.log('wxBill');
     console.log(wxBill);
     if (!wxBill) {