m

app/Http/Controllers/Admin/StatisticsController.php

             $v['propsName'] = $skus->propsName;      
             $v['propsName'] .= !empty($skus) && $skus->is_weigh == 1 ? '【称重商品】' : '';  
             $v['price'] = $skus->price;
-            $v['amount'] = round($v['price'] * $volume, 2);
+            $v['amount'] = round($v['price'] * $v['volume'], 2);
         }
         return view('statistics/volumeRank', ['result' =>$result,                                                                                                  
             ]);
             $v['propsName'] = $skus->propsName;      
             $v['propsName'] .= !empty($skus) && $skus->is_weigh == 1 ? '【称重商品】' : '';  
             $v['price'] = $skus->price;
-            $v['amount'] = round($v['price'] * $volume, 2);
+            $v['amount'] = round($v['price'] * $v['volume'], 2);
         }
 
         $indexKey = ['rank_id','name','propsName','price','counts','volume','amount'];