* [refac] Display current version when the upgrade fails.

module/upgrade/lang/en.php

@@ -19,7 +19,7 @@ $lang->upgrade->progress        = 'Progress';
 $lang->upgrade->executedChanges = "Executed: <span id='executedCount'>0</span> / %s";
 $lang->upgrade->start           = 'Start';
 $lang->upgrade->result          = 'Result';
-$lang->upgrade->fail            = 'Failed';
+$lang->upgrade->fail            = 'Upgrade failed. The current version of ZenTao is ';
 $lang->upgrade->successTip      = 'Successed';
 $lang->upgrade->success         = "<p>Congratulations! Your ZenTao is updated.</p>";
 $lang->upgrade->tohome          = 'Visit ZenTao';

module/upgrade/lang/zh-cn.php

@@ -19,7 +19,7 @@ $lang->upgrade->progress        = '进度';
 $lang->upgrade->executedChanges = "已执行：<span id='executedCount'>0</span> / %s";
 $lang->upgrade->start           = '开始';
 $lang->upgrade->result          = '升级结果';
-$lang->upgrade->fail            = '升级失败';
+$lang->upgrade->fail            = '升级失败。当前的禅道版本为';
 $lang->upgrade->successTip      = '升级成功';
 $lang->upgrade->success         = "<p>恭喜您！您的禅道已经成功升级。</p>";
 $lang->upgrade->tohome          = '访问禅道';

module/upgrade/ui/sqlfail.html.php

@@ -14,6 +14,13 @@ namespace zin;
 
 set::zui(true);
 
+$editionName = $lang->pmsName . $config->installedVersion;
+if(!is_numeric($config->installedVersion[0]))
+{
+    $edition     = substr($config->installedVersion, 0, 3);
+    $editionName = $lang->{$edition . 'Name'} . str_ireplace($edition, '', $config->installedVersion);
+}
+
 div
 (
     setStyle(['padding' => '3rem 4rem', 'height' => '100vh', 'overflow' => 'hidden']),
@@ -32,7 +39,7 @@ div
             div
             (
                 setClass('text-xl font-medium'),
-                $lang->upgrade->fail
+                $lang->upgrade->fail . $editionName
             )
         ),
         div