```php public function update(Request $request, Topic $topic) { $topic->update($request->all()); return redirect()->route('exam.show', $topic->exam_id); } ``` ``` 4. 搞定! [](https://github.com/tad0616/exam56/commit/5918ac396b23a09a2143cf96723e1fb232a7207f)
進階搜尋