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app/Http/Controllers/api/NewPc.php

@@ -135,7 +135,7 @@ class NewPc extends BaseController
             $limit = request()->input('limit', 10);
             $list = PcPrediction::forPage($page, $limit)
                 ->orderByDesc('id')
-                ->get();
+                ->get()->toArray();
             foreach ($list as &$item) {
                 $item['day'] = date("m-d H:i", strtotime($item['time']));
             }