update 去除无用配置

mec-student/src/main/java/com/ym/mec/student/controller/StudentOrderController.java

@@ -213,7 +213,7 @@ public class StudentOrderController extends BaseController {
         paymentParams.put("app_id", ConfigInit.appId);
         paymentParams.put("order_no", orderNo);
         paymentParams.put("pay_channel", payChannel);
-        paymentParams.put("pay_amt", amount);
+        paymentParams.put("pay_amt", amount.setScale(2,BigDecimal.ROUND_HALF_UP));
         paymentParams.put("goods_title", orderSubject);
         paymentParams.put("goods_desc", orderBody);
         paymentParams.put("time_expire", timeExpire);