diff --git a/service/app/admin/controller/QaController.php b/service/app/admin/controller/QaController.php
index c3f25b65..d02d2064 100644
--- a/service/app/admin/controller/QaController.php
+++ b/service/app/admin/controller/QaController.php
@@ -114,7 +114,13 @@ class QaController extends base
         }
 
         $qaQuestion = $post['qaQuestions'] ?? null;
-        unset($post['qaQuestions'], $post['update_time']);
+        unset($post['qaQuestions']);
+        if (isset($post['update_time'])) {
+            unset($post['update_time']);
+        }
+        if (isset($post['update_time'])) {
+            unset($post['id']);
+        }
         $post['create_time'] = time();
 
         try {