fix

app/controller/credit/order.js

@@ -31,8 +31,9 @@ class OrderController extends Controller {
     async payOrder() {
 
         const { ctx } = this;
-        const order_id = ctx.params.order_id;
-        const result = await ctx.service.credit.order.unifiedOrder('wexin', order_id);
+        const input_params = ctx.request.body;
+        const { method, order_id } = input_params;
+        const result = await ctx.service.credit.order.unifiedOrder(method, order_id);
 
         ctx.success({ result });
     }

app/router/credit.js

@@ -5,7 +5,7 @@ module.exports = app => {
 
     router.get('/home', 'credit.order.getMyCredit');
     router.get('/history/:type', 'credit.order.getRecord');
-    router.post('/order/pay/:order_id', 'credit.order.payOrder');
+    router.post('/order/pay', 'credit.order.payOrder');
     router.get('/order/pay/:order_id', 'credit.order.payOrder');
     router.post('/order/pay_notice', 'credit.order.payNotice');
     router.get('/order/check_pay/:order_id', 'credit.order.checkPay');