From ffa6d43736553a4bf663cb6a620d5016a070d1bb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=AD=99=E5=8D=8E=E4=BC=9F?= <sunhuawei@easycorp.ltd>
Date: Mon, 14 Mar 2022 16:10:35 +0800
Subject: [PATCH] *Fix bug#20452

---
 module/task/config.php | 2 +-
 module/task/model.php  | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/module/task/config.php b/module/task/config.php
index b21af79708..b7a3c8d326 100644
--- a/module/task/config.php
+++ b/module/task/config.php
@@ -35,7 +35,7 @@ $config->task->exportFields = '
     openedBy, openedDate, assignedTo, assignedDate,
     finishedBy, finishedDate, canceledBy, canceledDate,
     closedBy, closedDate, closedReason,
-    lastEditedBy, lastEditedDate,files
+    lastEditedBy, lastEditedDate, avtivatedDate, files
     ';
 
 $config->task->customCreateFields      = 'story,estStarted,deadline,mailto,pri,estimate';
diff --git a/module/task/model.php b/module/task/model.php
index 27bffed4d6..5c8db735ca 100644
--- a/module/task/model.php
+++ b/module/task/model.php
@@ -3287,7 +3287,7 @@ class taskModel extends model
                 echo substr($task->lastEditedDate, 5, 11);
                 break;
             case 'activatedDate':
-                echo substr($task->activatedDate, 5, 11);
+                echo helper::isZeroDate($bug->activatedDate) ? '' : substr($task->activatedDate, 5, 11);
                 break;
             case 'actions':
                 if($storyChanged)