diff --git a/app/Models/WorkOrder/Reply.php b/app/Models/WorkOrder/Reply.php
index a6cb91a..8677b20 100644
--- a/app/Models/WorkOrder/Reply.php
+++ b/app/Models/WorkOrder/Reply.php
@@ -70,6 +70,7 @@ class Reply extends Model
         'name',
         'module_id',
         'is_pending',
+        'role'
     ];
 
     protected static function boot()
@@ -88,19 +89,27 @@ protected static function boot()
 
             throw_if($model->workOrder->isFailure(), CommonException::class, '工单还没有就绪。');
 
+
             // change work order status
             if (auth('sanctum')->check()) {
-                $model->user_id = auth()->id();
+                $model->user_id = auth('sanctum')->id();
+                $model->role = 'user';
                 $model->workOrder->status = 'user_replied';
-            }
 
-            if (auth('module')->check() || auth('admin')->check()) {
+            } else if (auth('module')->check()) {
                 $model->user_id = null;
+                $model->role = 'module';
                 $model->workOrder->status = 'replied';
 
                 broadcast(new UserEvent($model->user_id, 'work-order.replied', $model->workOrder));
+
+            } else if (auth('admin')->check()) {
+                $model->role = 'admin';
+            } else {
+                $model->role = 'guest';
             }
 
+
             $model->workOrder->save();
         });
 
diff --git a/database/migrations/2023_01_01_211259_add_role_to_work_order_replies_table.php b/database/migrations/2023_01_01_211259_add_role_to_work_order_replies_table.php
new file mode 100644
index 0000000..35bfef7
--- /dev/null
+++ b/database/migrations/2023_01_01_211259_add_role_to_work_order_replies_table.php
@@ -0,0 +1,32 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up(): void
+    {
+        Schema::table('work_order_replies', function (Blueprint $table) {
+            $table->string('role')->default('user')->comment('回复角色')->after('module_id');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down(): void
+    {
+        Schema::table('work_order_replies', function (Blueprint $table) {
+            $table->dropColumn('role');
+        });
+    }
+};
diff --git a/resources/views/admin/work-orders/show.blade.php b/resources/views/admin/work-orders/show.blade.php
index 33738b9..605bfa2 100644
--- a/resources/views/admin/work-orders/show.blade.php
+++ b/resources/views/admin/work-orders/show.blade.php
@@ -15,17 +15,21 @@
         @foreach($replies as $reply)
             <div class="card border-light mb-3 shadow">
                 <div class="card-header d-flex w-100 justify-content-between">
-                    @if ($reply->user_id)
-                        <a href="{{ route('admin.users.edit', $reply->user) }}">{{ $workOrder->user->name }}</a>
-                    @elseif($reply->module_id)
+                    @if ($reply->role === 'user')
+                        @if ($reply->user_id)
+                            <a href="{{ route('admin.users.edit', $reply->user) }}">{{ $workOrder->user->name }}</a>
+                        @else
+                            {{ $reply->name }}
+                        @endif
+                    @elseif ($reply->role === 'admin')
+                        <span class="text-primary">{{ config('app.display_name') }}</span>
+                    @elseif ($reply->role === 'module')
                         <a href="{{ route('admin.modules.edit', $workOrder->module_id) }}">{{ $workOrder->module->name }}
                             @if ($reply->name)
                                 的 {{ $reply->name }}
                             @endif
                         </a>
-                    @elseif ($reply->name === null && $reply->user_id === null && $reply->module_id === null)
-                        <span class="text-primary">{{ config('app.display_name') }}</span>
-                    @else
+                    @elseif ($reply->role === 'guest')
                         {{ $reply->name }}
                     @endif