diff --git a/backend/app/service/FeishuNotificationService.php b/backend/app/service/FeishuNotificationService.php
index 9c91239..0cdec49 100644
--- a/backend/app/service/FeishuNotificationService.php
+++ b/backend/app/service/FeishuNotificationService.php
@@ -688,6 +688,18 @@ class FeishuNotificationService
         error_log("🔧 updateActorMessageCard 被调用: order_id={$orderId}, node_id={$nodeId}, actorUserId={$actorUserId}, status={$status}");
 
         try {
+            // 检查是否已经更新过（防止重复更新）
+            $existingUpdate = \app\model\FeishuMessage::where('order_id', $orderId)
+                ->where('node_id', $nodeId)
+                ->where('user_id', $actorUserId)
+                ->where('status', \app\model\FeishuMessage::STATUS_UPDATED)
+                ->first();
+
+            if ($existingUpdate) {
+                error_log("⚠️ 操作人消息已被更新过，跳过重复更新: message_id={$existingUpdate->message_id}");
+                return true;
+            }
+
             // 获取该操作人的消息
             $message = \app\model\FeishuMessage::where('order_id', $orderId)
                 ->where('node_id', $nodeId)
@@ -708,7 +720,7 @@ class FeishuNotificationService
                 return false;
             }
 
-            error_log("🔍 准备更新操作人消息: message_id={$message->message_id}, company_id={$companyId}, feishu_app_id={$feishuAppId}");
+            error_log("🔍 准备更新操作人消息: message_id={$message->message_id}, company_id={$companyId}, feishu_app_id={$feishu_app_id}");
 
             // 使用该消息对应的飞书应用配置
             $this->companyId = $companyId;