From a2a8552221a149bc87b3734d0b9f1b2d0365e4a0 Mon Sep 17 00:00:00 2001
From: mayue <mayue@easycorp.ltd>
Date: Thu, 28 Oct 2021 09:52:35 +0800
Subject: [PATCH] *Fix a bug #15793.

---
 module/program/control.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/module/program/control.php b/module/program/control.php
index b2ac179ed0..96f258ba11 100644
--- a/module/program/control.php
+++ b/module/program/control.php
@@ -203,7 +203,9 @@ class program extends control
             return $this->send(array('result' => 'success', 'message' => $this->lang->saveSuccess, 'locate' => inLink('browse')));
         }
 
-        $program       = $this->program->getByID($programID);
+        $program            = $this->program->getByID($programID);
+        $program->realBegan = helper::isZeroDate($program->realBegan) ? '' : $program->realBegan;
+
         $parentProgram = $program->parent ? $this->program->getByID($program->parent) : '';
         $parents       = $this->program->getParentPairs();