修复缴费单实缴金额显示错误

application/em/controller/Payment.php

@@ -284,6 +284,13 @@ class Payment extends Base
 
         //实缴金额
         $amount = EmCert::where('payment_id','=',$payment_id)->sum('amount');
+        if($payment->mark){
+            if($payment->balance == 0){
+                $amount = $payment->amount;
+            } else {
+                $amount = $payment->amount - $payment->balance;
+            }
+        }
         $this->assign('payment_sum_amount',$amount);
         //查询凭证信息
         $receipts = (new EmPaymentReceipt)->getPaymentReceiptByPaymentId($payment_id);