From f579b6c7b2e6a1eb7d023fff0af3d0db8485c842 Mon Sep 17 00:00:00 2001
From: tianshujie <tianshujie@easycorp.ltd>
Date: Tue, 18 Jan 2022 14:23:06 +0800
Subject: [PATCH] * Fix bug #18664.

---
 module/execution/control.php | 1 +
 module/tutorial/model.php    | 1 +
 2 files changed, 2 insertions(+)

diff --git a/module/execution/control.php b/module/execution/control.php
index d0b5a6e3a3..dd8f36353c 100644
--- a/module/execution/control.php
+++ b/module/execution/control.php
@@ -1982,6 +1982,7 @@ class execution extends control
         $avatarPairs = $this->user->getAvatarPairs();
         foreach($avatarPairs as $account => $avatar)
         {
+            if(!isset($users[$account])) continue;
             $userList[$account]['realname'] = $users[$account];
             $userList[$account]['avatar']   = $avatar;
         }
diff --git a/module/tutorial/model.php b/module/tutorial/model.php
index ae80e124c8..b267191e4c 100644
--- a/module/tutorial/model.php
+++ b/module/tutorial/model.php
@@ -293,6 +293,7 @@ class tutorialModel extends model
         $execution->totalLeft      = 0;
         $execution->totalHours     = 0;
         $execution->totalEstimate  = 0;
+        $execution->displayCards   = 0;
         return $execution;
     }