1、修复bug

server/app/Services/BhOrdersService.php

@@ -16,7 +16,6 @@ use App\Repositories\Contracts\BhPordersRepository;
 use App\Repositories\Contracts\BhSoitemsRepository;
 use App\Repositories\Contracts\BhSorderRefundRepository;
 use App\Repositories\Contracts\BhSordersRepository;
-use App\Repositories\Contracts\SysLogRepository;
 use App\Repositories\Contracts\ToolsTaskRepository;
 use App\Repositories\Criteria\BhPordersCriteria;
 use App\Repositories\Criteria\BhSorderRefundCriteria;
@@ -381,11 +380,12 @@ class BhOrdersService
 
                             if($futuresNum > 0){
                                 $updateArr['si_num'] = $orderitem['si_num'] - $futuresNum;
+                                $updateArr['si_assigned_num'] = $orderitem['si_assigned_num'];
                             }else{
                                 $updateArr['si_num'] = bcsub($orderitem['si_num'], $currentProcessNums); // 如果数量只有1，且退货数量相等
+                                $updateArr['si_assigned_num'] = $updateArr['si_num'];
                             }
 
-                            $updateArr['si_assigned_num'] = $orderitem['si_assigned_num'] - $futuresNum;
                             $updateArr['si_amount'] = bcmul(
                                 $orderitem['si_discount'],
                                 $updateArr['si_num'],