diff --git a/admin/src/views/consumer/prescription/order_list.vue b/admin/src/views/consumer/prescription/order_list.vue
index f5a0394f..a49aaf29 100644
--- a/admin/src/views/consumer/prescription/order_list.vue
+++ b/admin/src/views/consumer/prescription/order_list.vue
@@ -2465,7 +2465,8 @@ function canPayAudit(row: {
     fulfillment_status?: number
 }) {
     const fs = Number(row.fulfillment_status)
-    if (fs === 3 || fs === 4 || fs === 6) return false
+    // 已完成/已取消不可再支付审核；已发货(5)/已签收(6) 与发货前状态一样，支付待审核时可审核
+    if (fs === 3 || fs === 4) return false
     return Number(row.prescription_audit_status) === 1 && Number(row.payment_slip_audit_status) === 0
 }
 
diff --git a/server/app/adminapi/logic/tcm/PrescriptionOrderLogic.php b/server/app/adminapi/logic/tcm/PrescriptionOrderLogic.php
index cdfbd9c3..790d37fe 100644
--- a/server/app/adminapi/logic/tcm/PrescriptionOrderLogic.php
+++ b/server/app/adminapi/logic/tcm/PrescriptionOrderLogic.php
@@ -1183,6 +1183,8 @@ class PrescriptionOrderLogic
             return false;
         }
 
+        $didAutoComplete = false;
+
         if ($action === 'approve') {
             $order->payment_slip_audit_status = 1;
             $order->payment_slip_audit_remark = mb_substr(trim($remark), 0, 500);
@@ -1198,12 +1200,23 @@ class PrescriptionOrderLogic
                     ]);
             }
             
-            // 如果有完单申请，自动完成订单
-            if ((int) $order->completion_request === 1 && (int) $order->fulfillment_status === 5) {
-                $order->fulfillment_status = 3;  // 已完成
-                $order->completion_request = 0;  // 清除完单申请标记
-                self::writeLog((int) $order->id, $adminId, $adminInfo, 'auto_complete',
-                    '支付审核通过，根据完单申请自动完成订单');
+            // 已发货/已签收且已申请完单：同意支付审核后直接结案（与手动「完成订单」一致：实付=关联支付单合计）
+            if ((int) $order->completion_request === 1 && in_array((int) $order->fulfillment_status, [5, 6], true)) {
+                $linkedPayOrderIds = self::linkedPayOrderIdList($id);
+                $linkedPayOrders = self::linkedPayOrdersPayload($linkedPayOrderIds);
+                $linkedPayPaidTotal = 0.0;
+                foreach ($linkedPayOrders as $o) {
+                    $linkedPayPaidTotal += (float) ($o['amount'] ?? 0);
+                }
+                $linkedPayPaidTotal = round($linkedPayPaidTotal, 2);
+
+                $order->fulfillment_status = 3;
+                $order->paid = $linkedPayPaidTotal;
+                $order->completion_request = 0;
+                $order->completion_request_time = 0;
+                $order->completion_request_by = 0;
+                $order->completion_request_by_name = '';
+                $didAutoComplete = true;
             }
         } else {
             $order->payment_slip_audit_status = 2;
@@ -1229,13 +1242,11 @@ class PrescriptionOrderLogic
         }
         
         // 状态同步和关联清除逻辑：
-        // - 如果是"已发货"状态（5），无论同意还是拒绝，都保持状态不变
-        // - 如果不是"已发货"状态，同步状态；拒绝时清除所有支付单关联关系
+        // - 已发货(5)/已签收(6)：不同步为「待发货」，拒绝时也不整单解绑（与原先仅已发货一致）
+        // - 其它状态：同步；拒绝时清除所有支付单关联关系
         $currentStatus = (int) $order->fulfillment_status;
-        if ($currentStatus === 5) {
-            // 已发货状态：保持已发货状态不变
-            // 不调用 syncFulfillmentStatus
-            // 拒绝时也不清除关联（只删除了待审核支付单）
+        if (in_array($currentStatus, [5, 6], true)) {
+            // 保持履约节点不变
         } else {
             self::syncFulfillmentStatus($order);
             if ($action === 'reject') {
@@ -1251,6 +1262,13 @@ class PrescriptionOrderLogic
             return false;
         }
 
+        if ($didAutoComplete) {
+            $unassignSummary = self::clearDiagnosisAssistantOnComplete((int) $order->diagnosis_id);
+            $paidStr = number_format((float) $order->paid, 2, '.', '');
+            self::writeLog((int) $order->id, $adminId, $adminInfo, 'auto_complete',
+                '支付审核通过，根据完单申请自动完成订单，实付金额更新为 ¥' . $paidStr . $unassignSummary);
+        }
+
         $actionName = $action === 'approve' ? 'audit_pay_approve' : 'audit_pay_reject';
         $summary = $action === 'approve' ? '支付单审核通过' . ($remark ? '，意见：' . $remark : '') : '支付单审核驳回，意见：' . $remark;
         self::writeLog((int) $order->id, $adminId, $adminInfo, $actionName, $summary);