diff --git a/backend/app/service/ApprovalService.php b/backend/app/service/ApprovalService.php
index 3c89600..c55a485 100644
--- a/backend/app/service/ApprovalService.php
+++ b/backend/app/service/ApprovalService.php
@@ -331,10 +331,8 @@ class ApprovalService
             ->where('action', 'approve')
             ->get();
 
-        // 从 form_data 获取审批人列表
-        $order = ApprovalOrder::find($orderId);
-        $formData = $order->form_data ?? [];
-        $approvers = $formData['approvers'] ?? [];
+        // 从节点的 approvers 字段获取审批人列表
+        $approvers = $node->approvers ?? [];
 
         // 兼容两种格式：[{id:1, name:'...'}] 或 [1]
         if (!empty($approvers) && is_array($approvers[0] ?? null) && isset($approvers[0]['id'])) {
diff --git a/backend/app/service/BusinessTripService.php b/backend/app/service/BusinessTripService.php
index 138fe70..15eacdf 100644
--- a/backend/app/service/BusinessTripService.php
+++ b/backend/app/service/BusinessTripService.php
@@ -297,6 +297,7 @@ class BusinessTripService
 
             // 构建审批链接（统一使用审批详情页）
             $approvalUrl = "https://uniservice-mobile.hnxinyouhe.com/approval/detail/{$approvalOrder->id}";
+            $detailUrl = $approvalUrl; // 用于抄送人和其他通知
 
             // 构建内容
             $content = "**出差原因**: {$businessTrip->reason}\n";