更新

console/controllers/PurchaseController.php

@@ -92,6 +92,7 @@ class PurchaseController extends Controller
         Yii::$app->params['errorReport'] = 1;
 echo '111';
         $arr = [];
+        var_dump($query->batch());
         foreach ($query->batch() as $purchases) {
 print_r($purchases);die;
             foreach ($purchases as $purchase) {