test

application/em/controller/WriteOff.php

@@ -162,7 +162,7 @@ class WriteOff extends Controller
                     //缴费额度变化
                     $payment->balance = 0;
 
-                    $dk_balance = $inv->balance;
+                    $dk_balance = $inv->payment_balance;
                 }
 
                 //更新账单状态