diff --git a/database/seeds/AdverseSeeder.php b/database/seeds/AdverseSeeder.php
index c092eec..6445323 100644
--- a/database/seeds/AdverseSeeder.php
+++ b/database/seeds/AdverseSeeder.php
@@ -23,13 +23,6 @@ class AdverseSeeder extends Seeder
             return;
         }
 
-        // 获取订单列表
-        $orders = Orders::all();
-        if ($orders->isEmpty()) {
-            $this->command->info('没有找到订单数据，请先创建订单');
-            return;
-        }
-
         // 不良事件类型
         $types = [
             Adverse::TYPE_SAFETY,
@@ -95,7 +88,7 @@ class AdverseSeeder extends Seeder
         // 创建50条测试数据
         for ($i = 1; $i <= 50; $i++) {
             $project = $projects->random();
-            $order = $orders->where('project_id', $project->id)->first();
+            $order = Orders::where('project_id', $project->id)->inRandomOrder()->first();
 
             $type = $types[array_rand($types)];
             $status = $statuses[array_rand($statuses)];