更新

app/Home/Controllers/GameController.php

@@ -141,7 +141,7 @@ class GameController extends Controller
         if($is_true  && !isset($scores['questions'][$question_id])){
             $scores[$user_id] = (int) $scores[$user_id] + 1;
             $scores['questions'][$question_id][$user_id] = $is_true; 
-        }elseif (!isset($scores['questions'][$question_id])) {
+        }elseif (!isset($scores['questions'][$question_id][$user_id])) {
             $scores['questions'][$question_id][$user_id] = $is_true; 
         }