diff --git a/backend/app/service/BusinessTripService.php b/backend/app/service/BusinessTripService.php
index 1525ea0..90add53 100644
--- a/backend/app/service/BusinessTripService.php
+++ b/backend/app/service/BusinessTripService.php
@@ -725,10 +725,59 @@ class BusinessTripService
                 $approvalOrder->current_nodes = [];
                 $businessTrip->status = BusinessTrip::STATUS_REJECTED;
             } else {
-                // 同意：检查是否还有后续节点（简化版：直接通过）
-                $approvalOrder->status = ApprovalOrder::STATUS_APPROVED;
-                $approvalOrder->current_nodes = [];
-                $businessTrip->status = BusinessTrip::STATUS_APPROVED;
+                // 同意：检查当前节点是否完成，并处理流程流转
+                $currentNodeId = $currentNodes[0] ?? null;
+                $nodeCompleted = false;
+
+                if ($currentNodeId) {
+                    $node = ApprovalNode::find($currentNodeId);
+                    if ($node) {
+                        // 根据节点类型判断是否完成
+                        if ($node->type === 'approver') {
+                            // 单人审批：一人通过即完成
+                            $nodeCompleted = true;
+                        } elseif ($node->type === 'or_approve') {
+                            // 或签：一人通过即完成
+                            $nodeCompleted = true;
+                        } elseif ($node->type === 'and_approve') {
+                            // 会签：需要所有人都通过
+                            $approvedCount = ApprovalRecord::where('order_id', $approvalOrder->id)
+                                ->where('node_id', $currentNodeId)
+                                ->where('action', 'approve')
+                                ->count();
+                            $allApprovers = $node->approvers ?? [];
+                            if ($approvedCount >= count($allApprovers)) {
+                                $nodeCompleted = true;
+                            }
+                        }
+                    }
+                }
+
+                if ($nodeCompleted) {
+                    // 当前节点完成，查找下一个节点
+                    $nextNode = ApprovalNode::where('flow_id', $approvalOrder->flow_id)
+                        ->where('order', '>', 0)
+                        ->orderBy('order')
+                        ->first();
+
+                    if ($nextNode) {
+                        // 有下一个节点
+                        if ($nextNode->type === 'notify') {
+                            // 下一个是抄送节点，跳过并完成流程
+                            $approvalOrder->status = ApprovalOrder::STATUS_APPROVED;
+                            $approvalOrder->current_nodes = [];
+                            $businessTrip->status = BusinessTrip::STATUS_APPROVED;
+                        } else {
+                            // 下一个是审批节点，移动到该节点
+                            $approvalOrder->current_nodes = [$nextNode->id];
+                        }
+                    } else {
+                        // 没有下一个节点，流程完成
+                        $approvalOrder->status = ApprovalOrder::STATUS_APPROVED;
+                        $approvalOrder->current_nodes = [];
+                        $businessTrip->status = BusinessTrip::STATUS_APPROVED;
+                    }
+                }
             }
 
             $approvalOrder->save();