diff --git a/Laravel/app/Services/Admin/YeWu/PlanListService.php b/Laravel/app/Services/Admin/YeWu/PlanListService.php
index c9f2a0c..e576c66 100644
--- a/Laravel/app/Services/Admin/YeWu/PlanListService.php
+++ b/Laravel/app/Services/Admin/YeWu/PlanListService.php
@@ -1324,6 +1324,14 @@ private function releaseSourceFallback($mainInfo)
      */
     private function notifyHisAfterYuYue($oldMainInfos, $planInfo)
     {
+        // 仅内网正式环境（192.168.80.76）执行 HIS 回写
+        if (request()->getHost() !== '192.168.80.76') {
+            Log::info('HIS 回写跳过：当前环境非内网正式环境', [
+                'host' => request()->getHost()
+            ]);
+            return;
+        }
+
         // 1. 获取 execDeptCode / execDeptName（本地数据库）
         $execDeptCode = '';
         $execDeptName = '';