修复下单人数显示不正确的问题

app/Admin/Metrics/Examples/Order/OrderData.php

@@ -81,12 +81,14 @@ class OrderData extends Card
             }
         }
         if ($params['data_type']=='count_user'){
-            $result = $buildData->pluck('lanzu_order_main.user_id')
+            $result = $buildData
                 ->groupBy('lanzu_order_main.user_id')
+                ->pluck('lanzu_order_main.user_id')
                 ->toArray();
             $result = count($result);
         }elseif ($params['data_type']=='number'){
             $result = $buildData->count();
+
         }elseif ($params['data_type']=='amount'){
             $result = $buildData->sum('money');
         }