fix

src/api/quiz.js

@@ -171,7 +171,7 @@ module.exports = {
                         (!user_is_top && countCorrect >= attempt.top_count)
                     );
 
-                    await asyncPool(`update users set is_top=? where id=;`, [is_top, userID]);
+                    await asyncPool(`update users set is_top=? where id=?;`, [is_top, userID]);
 
 
                     return await asyncPool('UPDATE quiz_attempt SET ' +