Merge branch 'v0.2' into develop

app/Http/Controllers/V2/TopicGroupController.php

@@ -25,6 +25,7 @@ class TopicGroupController extends Controller {
     {
         $this->topicGroupRepository = $topicGroupRepository;
     }
+    
     //列表
     public function index(Request $request){
         $topicGroup = $this->topicGroupRepository->index($request->all());