no message

app/Http/Controllers/AdminApi/NotifyController.php

@@ -79,7 +79,7 @@ class NotifyController extends ApiController
             //合同签署
             $signFlowStatus = $data['signResult'];
             $signFlowId = $data['signFlowId'];
-            $organization = $data['organization'];
+            $organization = isset($data['organization']) ? $data['organization'] : '';
             $operator = $data['operator'];
             if (!empty($signFlowId)){
                 $sign = SignContract::where('flow_id',$signFlowId)->first();