diff --git a/app/Http/Controllers/Api/WorkOrder/ReplyController.php b/app/Http/Controllers/Api/ReplyController.php
similarity index 93%
rename from app/Http/Controllers/Api/WorkOrder/ReplyController.php
rename to app/Http/Controllers/Api/ReplyController.php
index 61c840a..a33fa96 100644
--- a/app/Http/Controllers/Api/WorkOrder/ReplyController.php
+++ b/app/Http/Controllers/Api/ReplyController.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace App\Http\Controllers\Api\WorkOrder;
+namespace App\Http\Controllers\Api;
 
 use App\Http\Controllers\Controller;
 use App\Models\WorkOrder\Reply;
@@ -13,7 +13,7 @@ class ReplyController extends Controller
     /**
      * Display a listing of the resource.
      *
-     * @return \Illuminate\Http\Response
+     * @return \Illuminate\Http\JsonResponse
      */
     public function index(WorkOrder $workOrder)
     {
diff --git a/app/Http/Controllers/Api/WorkOrder/WorkOrderController.php b/app/Http/Controllers/Api/WorkOrderController.php
similarity index 85%
rename from app/Http/Controllers/Api/WorkOrder/WorkOrderController.php
rename to app/Http/Controllers/Api/WorkOrderController.php
index d30c2fe..6f73ef0 100644
--- a/app/Http/Controllers/Api/WorkOrder/WorkOrderController.php
+++ b/app/Http/Controllers/Api/WorkOrderController.php
@@ -1,16 +1,17 @@
 <?php
 
-namespace App\Http\Controllers\Api\WorkOrder;
+namespace App\Http\Controllers\Api;
 
 use App\Http\Controllers\Controller;
 use App\Models\WorkOrder\WorkOrder;
+use Illuminate\Http\JsonResponse;
 use Illuminate\Http\Request;
 use function auth;
 
 class WorkOrderController extends Controller
 {
     //
-    public function index(WorkOrder $workOrder)
+    public function index(WorkOrder $workOrder): JsonResponse
     {
 
         $workOrder = $workOrder->thisUser()->with(['user', 'module', 'host'])->simplePaginate(100);
@@ -18,6 +19,9 @@ public function index(WorkOrder $workOrder)
         return $this->success($workOrder);
     }
 
+    /**
+     * @throws \Illuminate\Validation\ValidationException
+     */
     public function store(Request $request)
     {
         $this->validate($request, [
@@ -46,7 +50,7 @@ public function store(Request $request)
         return $this->success($workOrder);
     }
 
-    public function show(WorkOrder $workOrder)
+    public function show(WorkOrder $workOrder): JsonResponse
     {
         if (auth()->id() !== $workOrder->user_id) {
             return $this->notFound('无法找到对应的工单。');
@@ -56,6 +60,9 @@ public function show(WorkOrder $workOrder)
         return $this->success($workOrder);
     }
 
+    /**
+     * @throws \Illuminate\Validation\ValidationException
+     */
     public function update(Request $request, WorkOrder $workOrder)
     {
 
diff --git a/app/Http/Controllers/Modules/Host/HostController.php b/app/Http/Controllers/Modules/HostController.php
similarity index 85%
rename from app/Http/Controllers/Modules/Host/HostController.php
rename to app/Http/Controllers/Modules/HostController.php
index 6da4c18..678af48 100644
--- a/app/Http/Controllers/Modules/Host/HostController.php
+++ b/app/Http/Controllers/Modules/HostController.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace App\Http\Controllers\Modules\Host;
+namespace App\Http\Controllers\Modules;
 
 use App\Http\Controllers\Controller;
 use App\Models\Host;
@@ -9,6 +9,7 @@
 use Illuminate\Http\Request;
 use Illuminate\Http\Response;
 use Illuminate\Support\Str;
+use function auth;
 
 // use Illuminate\Support\Facades\Log;
 
@@ -17,14 +18,14 @@ class HostController extends Controller
     /**
      * Display a listing of the resource.
      *
-     * @return Response
+     * @return Response|null
      */
-    public function index()
+    public function index(): ?Response
     {
         //
         // Host::all();
 
-        return;
+        return null;
     }
 
     /**
@@ -33,8 +34,9 @@ public function index()
      * @param Request $request
      *
      * @return Response|JsonResponse
+     * @throws \Illuminate\Validation\ValidationException
      */
-    public function store(Request $request)
+    public function store(Request $request): Response|JsonResponse
     {
         // 存储计费项目
         $this->validate($request, [
@@ -76,7 +78,7 @@ public function store(Request $request)
      *
      * @return JsonResponse
      */
-    public function show(Host $host)
+    public function show(Host $host): JsonResponse
     {
 
         return $this->success($host);
@@ -92,8 +94,9 @@ public function show(Host $host)
      * @param Host    $host
      *
      * @return JsonResponse
+     * @throws \Illuminate\Validation\ValidationException
      */
-    public function update(Request $request, Host $host)
+    public function update(Request $request, Host $host): JsonResponse
     {
         //
         $this->validate($request, [
@@ -134,16 +137,14 @@ public function update(Request $request, Host $host)
      *
      * @return JsonResponse
      */
-    public function destroy($host)
+    public function destroy($host): JsonResponse
     {
         if ($host instanceof Host) {
             $host->delete();
         } else {
             $host = Host::findOrFail($host);
 
-            if ($host) {
-                $host->delete();
-            }
+            $host?->delete();
         }
 
         return $this->deleted($host);
diff --git a/app/Http/Controllers/Modules/WorkOrder/ReplyController.php b/app/Http/Controllers/Modules/ReplyController.php
similarity index 84%
rename from app/Http/Controllers/Modules/WorkOrder/ReplyController.php
rename to app/Http/Controllers/Modules/ReplyController.php
index 86a226f..4d9b84b 100644
--- a/app/Http/Controllers/Modules/WorkOrder/ReplyController.php
+++ b/app/Http/Controllers/Modules/ReplyController.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace App\Http\Controllers\Modules\WorkOrder;
+namespace App\Http\Controllers\Modules;
 
 use App\Http\Controllers\Controller;
 use App\Models\WorkOrder\Reply;
@@ -14,7 +14,7 @@ class ReplyController extends Controller
      *
      * @return JsonResponse
      */
-    public function index(Request $request)
+    public function index(Request $request): JsonResponse
     {
         //
         $replies = Reply::workOrderId($request->route('work_order'))->simplePaginate(10);
@@ -28,7 +28,7 @@ public function index(Request $request)
      *
      * @return JsonResponse
      */
-    public function store(Request $request)
+    public function store(Request $request): JsonResponse
     {
         //
 
diff --git a/app/Http/Controllers/Modules/Host/TaskController.php b/app/Http/Controllers/Modules/TaskController.php
similarity index 80%
rename from app/Http/Controllers/Modules/Host/TaskController.php
rename to app/Http/Controllers/Modules/TaskController.php
index bc3287a..3d54fbc 100644
--- a/app/Http/Controllers/Modules/Host/TaskController.php
+++ b/app/Http/Controllers/Modules/TaskController.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace App\Http\Controllers\Modules\Host;
+namespace App\Http\Controllers\Modules;
 
 use App\Http\Controllers\Controller;
 use App\Models\Task;
@@ -18,7 +18,7 @@ class TaskController extends Controller
      *
      * @return Response|null
      */
-    public function index(Request $request)
+    public function index(Request $request): ?Response
     {
         //
         // $this->assignId($request);
@@ -34,8 +34,9 @@ public function index(Request $request)
      * @param Request $request
      *
      * @return JsonResponse
+     * @throws \Illuminate\Validation\ValidationException
      */
-    public function store(Request $request)
+    public function store(Request $request): JsonResponse
     {
         //
         $this->validate($request, [
@@ -56,8 +57,9 @@ public function store(Request $request)
      * @param Task    $task
      *
      * @return JsonResponse
+     * @throws \Illuminate\Validation\ValidationException
      */
-    public function update(Request $request, Task $task)
+    public function update(Request $request, Task $task): JsonResponse
     {
         //
         $this->validate($request, [
diff --git a/app/Http/Controllers/Modules/WorkOrder/WorkOrderController.php b/app/Http/Controllers/Modules/WorkOrderController.php
similarity index 81%
rename from app/Http/Controllers/Modules/WorkOrder/WorkOrderController.php
rename to app/Http/Controllers/Modules/WorkOrderController.php
index 7e8861d..3840f18 100644
--- a/app/Http/Controllers/Modules/WorkOrder/WorkOrderController.php
+++ b/app/Http/Controllers/Modules/WorkOrderController.php
@@ -1,16 +1,17 @@
 <?php
 
-namespace App\Http\Controllers\Modules\WorkOrder;
+namespace App\Http\Controllers\Modules;
 
 use App\Http\Controllers\Controller;
 use App\Http\Requests\Remote\WorkOrderRequest;
 use App\Models\WorkOrder\WorkOrder;
+use Illuminate\Http\JsonResponse;
 use Illuminate\Http\Request;
 
 class WorkOrderController extends Controller
 {
     //
-    public function index(Request $request, WorkOrder $workOrder)
+    public function index(WorkOrder $workOrder): JsonResponse
     {
         // $work_orders = new WorkOrder();
         // // if route has user
@@ -29,12 +30,15 @@ public function index(Request $request, WorkOrder $workOrder)
 
     // }
 
-    public function show(WorkOrderRequest $request, WorkOrder $workOrder)
+    public function show(WorkOrderRequest $request, WorkOrder $workOrder): JsonResponse
     {
         return $this->success($workOrder);
     }
 
-    public function update(WorkOrderRequest $request, WorkOrder $workOrder)
+    /**
+     * @throws \Illuminate\Validation\ValidationException
+     */
+    public function update(WorkOrderRequest $request, WorkOrder $workOrder): JsonResponse
     {
         $this->validate($request, [
             'status' => 'nullable|sometimes|string|in:open,closed,on_hold,in_progress',
diff --git a/routes/api.php b/routes/api.php
index 11d4358..3b67174 100644
--- a/routes/api.php
+++ b/routes/api.php
@@ -4,11 +4,11 @@
 use App\Http\Controllers\Api\ForumController;
 use App\Http\Controllers\Api\HostController;
 use App\Http\Controllers\Api\ModuleController;
+use App\Http\Controllers\Api\ReplyController;
 use App\Http\Controllers\Api\ServerController;
 use App\Http\Controllers\Api\TaskController;
 use App\Http\Controllers\Api\UserController;
-use App\Http\Controllers\Api\WorkOrder\ReplyController;
-use App\Http\Controllers\Api\WorkOrder\WorkOrderController;
+use App\Http\Controllers\Api\WorkOrderController;
 use Illuminate\Support\Facades\Route;
 
 Route::get('user', [UserController::class, 'index']);
diff --git a/routes/modules.php b/routes/modules.php
index 6c38080..cb4fc2e 100644
--- a/routes/modules.php
+++ b/routes/modules.php
@@ -1,12 +1,12 @@
 <?php
 
 use App\Http\Controllers\Modules\BroadcastController;
-use App\Http\Controllers\Modules\Host\HostController;
-use App\Http\Controllers\Modules\Host\TaskController;
+use App\Http\Controllers\Modules\HostController;
 use App\Http\Controllers\Modules\ModuleController;
+use App\Http\Controllers\Modules\ReplyController;
+use App\Http\Controllers\Modules\TaskController;
 use App\Http\Controllers\Modules\UserController;
-use App\Http\Controllers\Modules\WorkOrder\ReplyController;
-use App\Http\Controllers\Modules\WorkOrder\WorkOrderController;
+use App\Http\Controllers\Modules\WorkOrderController;
 use Illuminate\Support\Facades\Route;
 
 Route::get('modules', [ModuleController::class, 'index']);