fix

app/Console/Commands/YesterdayGreatPost.php

@@ -54,7 +54,7 @@ class YesterdayGreatPost extends Command
         $postData = $this->postData
             ->where('created_at', '>=', Carbon::yesterday()->startOfDay()->toDateTimeString())
             ->where('created_at', '<=', Carbon::yesterday()->endOfDay()->toDateTimeString())
-            ->select();
+            ->get();
         $postId = 0;
         if($postData){
             $postScore = 0;