diff --git a/app/Http/Controllers/Mobile/VisitController.php b/app/Http/Controllers/Mobile/VisitController.php
index 8701664..ed96b32 100644
--- a/app/Http/Controllers/Mobile/VisitController.php
+++ b/app/Http/Controllers/Mobile/VisitController.php
@@ -326,6 +326,9 @@ class VisitController extends CommonController
         $model = new StudyLog();
         $list = $model->whereIn('idcard', $all['idcard'])->pluck('idcard');
         $diff = collect($all['idcard'])->diffAssoc($list);
+        if($diff->isNotEmpty()){
+            array_values($diff->toArray());
+        }
         return $this->success($diff);
     }