客户欠款变负数

biz-ghs/custom/classes/CustomClass.php

@@ -155,6 +155,9 @@ class CustomClass extends BaseClass
             }
         }
         $balance = bcadd($custom->debtAmount, $amount, 2);
+        if ($balance < 0) {
+            util::fail('客户欠款变负数');
+        }
         $custom->debtAmount = $balance;
         $custom->save();
 
@@ -193,7 +196,7 @@ class CustomClass extends BaseClass
         $main->debt = $remain;
         $main->save();
 
-        $event = $custom->name.' 购买花材，单号：' . $orderSn;
+        $event = $custom->name . ' 购买花材，单号：' . $orderSn;
         $change['balance'] = $remain;
         $change['event'] = $event;
         TotalDebtChangeClass::addChange($change);
@@ -243,7 +246,7 @@ class CustomClass extends BaseClass
         $main->debt = $remain;
         $main->save();
 
-        $event = $custom->name." 结账，单号：{$orderSn}";
+        $event = $custom->name . " 结账，单号：{$orderSn}";
         $change['balance'] = $remain;
         $change['event'] = $event;
         TotalDebtChangeClass::addChange($change);
@@ -289,7 +292,7 @@ class CustomClass extends BaseClass
         $main->debt = $remain;
         $main->save();
 
-        $event = $custom->name." 订单号：{$saleOrderSn} 退款";
+        $event = $custom->name . " 订单号：{$saleOrderSn} 退款";
         $change['balance'] = $remain;
         $change['event'] = $event;
         TotalDebtChangeClass::addChange($change);