修复结算明细显示错误

application/em/controller/Settle.php

@@ -205,7 +205,7 @@ class Settle extends Base
                     $amount = $settle->amount - $settle->balance;
                 }
             }
-            $this->assign('payment_sum_amount',$amount);
+            $this->assign('settle_sum_amount',$amount);
             //查询凭证信息
             $receipts = (new EmSettleReceipt)->getSettleReceiptBySettleId($settle_id);