diff --git a/module/backup/control.php b/module/backup/control.php
index e7581508b6..037ebb03af 100644
--- a/module/backup/control.php
+++ b/module/backup/control.php
@@ -73,12 +73,12 @@ class backup extends control
     {
         set_time_limit(0);
         session_write_close();
-        $diskSapce = $this->backup->getDiskSpace($this->backupPath);
-        $diskSapce = explode(',', $diskSapce);
+        $diskSpace = $this->backup->getDiskSpace($this->backupPath);
+        $diskSpace = explode(',', $diskSpace);
 
         $space = new stdclass();
-        $space->freeSpace = intval($diskSapce[0]);
-        $space->needSpace = intval($diskSapce[1]);
+        $space->freeSpace = intval($diskSpace[0]);
+        $space->needSpace = intval($diskSpace[1]);
 
         echo json_encode($space);
     }
diff --git a/module/backup/js/index.js b/module/backup/js/index.js
index c24b7dccf7..f60d964d97 100644
--- a/module/backup/js/index.js
+++ b/module/backup/js/index.js
@@ -32,9 +32,9 @@ $(function ()
     });
 
     $('.rmPHPHeader').click(function () {
-        $('#waitting .modal-body #backupType').html(rmPHPHeader);
-        $('#waitting .modal-content #message').hide();
-        $('#waitting').modal('show');
+        $('#waiting .modal-body #backupType').html(rmPHPHeader);
+        $('#waiting .modal-content #message').hide();
+        $('#waiting').modal('show');
     });
 
     $('.restore').click(function ()
@@ -44,13 +44,13 @@ $(function ()
         {
             if (result)
             {
-                $('#waitting .modal-body #backupType').html(restore);
-                $('#waitting .modal-content #message').hide();
-                $('#waitting').modal('show');
+                $('#waiting .modal-body #backupType').html(restore);
+                $('#waiting .modal-content #message').hide();
+                $('#waiting').modal('show');
 
                 $.getJSON(url, function (response)
                 {
-                    $('#waitting').modal('hide');
+                    $('#waiting').modal('hide');
                     bootbox.alert(response.message);
                 });
             }
@@ -70,22 +70,22 @@ function backupData() {
         url: $('.backup').attr('data-link'),
         success: function (data) {
             clearInterval(timeID);
-            $('#waitting .modal-body #message').append(data);
+            $('#waiting .modal-body #message').append(data);
             setTimeout(function () {return location.reload();}, 2000);
         },
         error: function (request, textstatus, error) {
             clearInterval(timeID);
-            if (textstatus == 'timeout') $('#waitting .modal-body #message').append("<p class='text-danger'>" + backupTimeout + '</p>');
+            if (textstatus == 'timeout') $('#waiting .modal-body #message').append("<p class='text-danger'>" + backupTimeout + '</p>');
             setTimeout(function () {return location.reload();}, 2000);
         }
     });
 
-    $('#waitting .modal-body #backupType').html(backup);
-    $('#waitting').modal('show');
+    $('#waiting .modal-body #backupType').html(backup);
+    $('#waiting').modal('show');
 
     timeID = setInterval(function () {
         $.get(createLink('backup', 'ajaxGetProgress'), function (data) {
-            $('#waitting .modal-content #message').html(data);
+            $('#waiting .modal-content #message').html(data);
         });
     }, 1000);
 }
diff --git a/module/backup/lang/de.php b/module/backup/lang/de.php
index 78aa29eafd..f0a29950f7 100644
--- a/module/backup/lang/de.php
+++ b/module/backup/lang/de.php
@@ -30,7 +30,7 @@ $lang->backup->settingList['nosafe'] = 'Do not prevent downloading PHP file head
 global $config;
 if($config->inContainer) $lang->backup->settingList['nofile'] = 'Do not back up files.';
 
-$lang->backup->waitting         = '<span id="backupType"></span> In Arbeit. Bitte warten...';
+$lang->backup->waiting          = '<span id="backupType"></span> In Arbeit. Bitte warten...';
 $lang->backup->progressSQL      = '<p>SQL backup: %s is backed up.</p>';
 $lang->backup->progressAttach   = '<p>SQL backup is completed.</p><p>Attachment backing up.</p>';
 $lang->backup->progressCode     = '<p>SQL backup is completed.</p><p>Attachment backup is completed.</p><p>Code backing up.</p>';
diff --git a/module/backup/lang/en.php b/module/backup/lang/en.php
index 0052887b55..e0ee9d7a93 100644
--- a/module/backup/lang/en.php
+++ b/module/backup/lang/en.php
@@ -30,7 +30,7 @@ $lang->backup->settingList['nosafe'] = 'Do not prevent downloading PHP file head
 global $config;
 if($config->inContainer) $lang->backup->settingList['nofile'] = 'Do not back up files.';
 
-$lang->backup->waitting         = '<span id="backupType"></span> is ongoing. Please wait...';
+$lang->backup->waiting          = '<span id="backupType"></span> is ongoing. Please wait...';
 $lang->backup->progressSQL      = '<p>SQL backup: %s is backed up.</p>';
 $lang->backup->progressAttach   = '<p>SQL backup is completed.</p><p>Attachment backing up.</p>';
 $lang->backup->progressCode     = '<p>SQL backup is completed.</p><p>Attachment backup is completed.</p><p>Code backing up.</p>';
diff --git a/module/backup/lang/fr.php b/module/backup/lang/fr.php
index cf4f711df5..c9f0581f15 100644
--- a/module/backup/lang/fr.php
+++ b/module/backup/lang/fr.php
@@ -30,7 +30,7 @@ $lang->backup->settingList['nosafe'] = 'Ne pas prévenir du téléchargement par
 global $config;
 if($config->inContainer) $lang->backup->settingList['nofile'] = 'Ne pas archiver fichiers';
 
-$lang->backup->waitting         = '<span id="backupType"></span> est en cours. Patientez s´il vous plait...';
+$lang->backup->waiting          = '<span id="backupType"></span> est en cours. Patientez s´il vous plait...';
 $lang->backup->progressSQL      = '<p>SQL backup: %s est sauvegardé.</p>';
 $lang->backup->progressAttach   = '<p>SQL backup est terminé.</p><p>Les fichiers sont en cours de sauvegarde.</p>';
 $lang->backup->progressCode     = '<p>SQL backup est terminé.</p><p>Sauvegarde des fichiers terminée.</p><p>Sauvegarde du code en cours.</p>';
diff --git a/module/backup/lang/zh-cn.php b/module/backup/lang/zh-cn.php
index 34af7bd650..c70372df5f 100644
--- a/module/backup/lang/zh-cn.php
+++ b/module/backup/lang/zh-cn.php
@@ -30,7 +30,7 @@ $lang->backup->settingList['nosafe'] = '不需要防下载PHP文件头';
 global $config;
 if($config->inContainer) $lang->backup->settingList['nofile'] = '不备份附件';
 
-$lang->backup->waitting         = '<span id="backupType"></span>正在进行中，请稍候...';
+$lang->backup->waiting          = '<span id="backupType"></span>正在进行中，请稍候...';
 $lang->backup->progressSQL      = '<p>SQL备份中，已备份%s</p>';
 $lang->backup->progressAttach   = '<p>SQL备份完成</p><p>附件备份中，共有%s个文件，已经备份%s个</p>';
 $lang->backup->progressCode     = '<p>SQL备份完成</p><p>附件备份完成</p><p>代码备份中，共有%s个文件，已经备份%s个</p>';
diff --git a/module/backup/lang/zh-tw.php b/module/backup/lang/zh-tw.php
index e4ac247956..5742b1d9bf 100644
--- a/module/backup/lang/zh-tw.php
+++ b/module/backup/lang/zh-tw.php
@@ -29,7 +29,7 @@ $lang->backup->settingList['nosafe'] = '不需要防下載PHP檔案頭';
 global $config;
 if($config->inContainer) $lang->backup->settingList['nofile'] = '不備份附件';
 
-$lang->backup->waitting        = '<span id="backupType"></span>正在進行中，請稍候...';
+$lang->backup->waiting         = '<span id="backupType"></span>正在進行中，請稍候...';
 $lang->backup->progressSQL     = '<p>SQL備份中，已備份%s</p>';
 $lang->backup->progressAttach  = '<p>SQL備份完成</p><p>附件備份中，共有%s個檔案，已經備份%s個</p>';
 $lang->backup->progressCode    = '<p>SQL備份完成</p><p>附件備份完成</p><p>代碼備份中，共有%s個檔案，已經備份%s個</p>';
diff --git a/module/backup/ui/index.html.php b/module/backup/ui/index.html.php
index 99cba34cd4..d4dcf8302e 100644
--- a/module/backup/ui/index.html.php
+++ b/module/backup/ui/index.html.php
@@ -118,7 +118,7 @@ dtable
 modal
 (
     setID('waiting'),
-    html($lang->backup->waitting),
+    html($lang->backup->waiting),
     set::closeBtn(false),
     div
     (
diff --git a/module/backup/view/index.html.php b/module/backup/view/index.html.php
index eda5520578..83f3968043 100644
--- a/module/backup/view/index.html.php
+++ b/module/backup/view/index.html.php
@@ -106,11 +106,11 @@
     </h2>
   </div>
 </div>
-<div class="modal fade" id="waitting" tabindex="-1" role="dialog" aria-hidden="true">
+<div class="modal fade" id="waiting" tabindex="-1" role="dialog" aria-hidden="true">
   <div class="modal-dialog w-400px">
     <div class="modal-content">
       <div class="modal-body">
-        <p><?php echo $lang->backup->waitting?></p>
+        <p><?php echo $lang->backup->waiting?></p>
         <div id='message'><?php echo sprintf($lang->backup->progressSQL, 0);?></div>
       </div>
     </div>
diff --git a/module/execution/lang/de.php b/module/execution/lang/de.php
index 20726d658b..bcc0f33742 100644
--- a/module/execution/lang/de.php
+++ b/module/execution/lang/de.php
@@ -587,7 +587,7 @@ $lang->execution->action->managed              = '$date, managed by <strong>$act
 $lang->execution->action->edited               = '$date, edited by <strong>$actor</strong>. $extra' . "\n";
 $lang->execution->action->extra                = "Linked {$lang->productCommon}s is %s.";
 $lang->execution->action->startbychildactivate = '$date, activating the sub stage sets the execution status as Ongoing.' . "\n";
-$lang->execution->action->waitbychilddelete    = '$date, deleting the sub stage sets the execution status as waitting.' . "\n";
+$lang->execution->action->waitbychilddelete    = '$date, deleting the sub stage sets the execution status as waiting.' . "\n";
 $lang->execution->action->closebychilddelete   = '$date, deleting the sub stage sets the execution status as closing.' . "\n";
 $lang->execution->action->closebychildclose    = '$date, closing the sub stage sets the execution status as closing.' . "\n";
 $lang->execution->action->waitbychild          = '$date, the stage status is <strong>Wait</strong> as the system judges that all its sub-stages statuses are <strong>Wait</strong>.';
diff --git a/module/execution/lang/en.php b/module/execution/lang/en.php
index e08422cc46..0d3d2b3f65 100644
--- a/module/execution/lang/en.php
+++ b/module/execution/lang/en.php
@@ -587,7 +587,7 @@ $lang->execution->action->managed              = '$date, managed by <strong>$act
 $lang->execution->action->edited               = '$date, edited by <strong>$actor</strong>. $extra' . "\n";
 $lang->execution->action->extra                = "Linked {$lang->productCommon}s is %s.";
 $lang->execution->action->startbychildactivate = '$date, activating the sub stage sets the execution status as Ongoing.' . "\n";
-$lang->execution->action->waitbychilddelete    = '$date, deleting the sub stage sets the execution status as waitting.' . "\n";
+$lang->execution->action->waitbychilddelete    = '$date, deleting the sub stage sets the execution status as waiting.' . "\n";
 $lang->execution->action->closebychilddelete   = '$date, deleting the sub stage sets the execution status as closing.' . "\n";
 $lang->execution->action->closebychildclose    = '$date, closing the sub stage sets the execution status as closing.' . "\n";
 $lang->execution->action->waitbychild          = '$date, the stage status is <strong>Wait</strong> as the system judges that all its sub-stages statuses are <strong>Wait</strong>.';
diff --git a/module/execution/lang/fr.php b/module/execution/lang/fr.php
index a441b37850..eeb167f974 100644
--- a/module/execution/lang/fr.php
+++ b/module/execution/lang/fr.php
@@ -587,7 +587,7 @@ $lang->execution->action->managed              = '$date, managed by <strong>$act
 $lang->execution->action->edited               = '$date, edited by <strong>$actor</strong>. $extra' . "\n";
 $lang->execution->action->extra                = "Linked {$lang->productCommon}s is %s.";
 $lang->execution->action->startbychildactivate = '$date, activating the sub stage sets the execution status as Ongoing.' . "\n";
-$lang->execution->action->waitbychilddelete    = '$date, deleting the sub stage sets the execution status as waitting.' . "\n";
+$lang->execution->action->waitbychilddelete    = '$date, deleting the sub stage sets the execution status as waiting.' . "\n";
 $lang->execution->action->closebychilddelete   = '$date, deleting the sub stage sets the execution status as closing.' . "\n";
 $lang->execution->action->closebychildclose    = '$date, closing the sub stage sets the execution status as closing.' . "\n";
 $lang->execution->action->waitbychild          = '$date, the stage status is <strong>Wait</strong> as the system judges that all its sub-stages statuses are <strong>Wait</strong>.';
diff --git a/module/system/js/backupplatform.ui.js b/module/system/js/backupplatform.ui.js
index 23b65c3aba..4fd4aba26d 100644
--- a/module/system/js/backupplatform.ui.js
+++ b/module/system/js/backupplatform.ui.js
@@ -18,7 +18,7 @@ function startBackup()
         {
             if(response.result == 'success')
             {
-                $('.modal-content .panel-body').html(waitting);
+                $('.modal-content .panel-body').html(waiting);
                 backupName = response.name;
                 backupInterval = setInterval(checkBackup, 2000);
             }
diff --git a/module/system/lang/de.php b/module/system/lang/de.php
index 6d6fb5b25f..c83220b46f 100644
--- a/module/system/lang/de.php
+++ b/module/system/lang/de.php
@@ -32,7 +32,7 @@ $lang->system->memUsage        = 'Memory（GB）';
 
 /* LDAP */
 $lang->system->LDAP = new stdclass;
-$lang->system->LDAP->info             = 'LDAP infomation';
+$lang->system->LDAP->info             = 'LDAP information';
 $lang->system->LDAP->ldapEnabled      = 'Enable LDAP';
 $lang->system->LDAP->ldapQucheng      = 'Built in Qucheng';
 $lang->system->LDAP->ldapSource       = 'Source';
@@ -227,8 +227,8 @@ $lang->system->backup->typeList['manual']  = 'Manual backup';
 $lang->system->backup->typeList['upgrade'] = 'Automatic backup before upgrade';
 $lang->system->backup->typeList['restore'] = 'Automatic backup before rollback';
 
-$lang->system->backup->waitting        = 'Backup is in progress, please wait...';
-$lang->system->backup->waittingStore   = 'Restoring app data, please wait...';
+$lang->system->backup->waiting         = 'Backup is in progress, please wait...';
+$lang->system->backup->waitingStore    = 'Restoring app data, please wait...';
 $lang->system->backup->progress        = 'Backup in progress（%d/%d）';
 $lang->system->backup->progressStore   = 'Restoring, progress(%d/%d)';
 $lang->system->backup->progressSQL     = 'In backup，%s has been backed up';
diff --git a/module/system/lang/en.php b/module/system/lang/en.php
index 6d6fb5b25f..c83220b46f 100644
--- a/module/system/lang/en.php
+++ b/module/system/lang/en.php
@@ -32,7 +32,7 @@ $lang->system->memUsage        = 'Memory（GB）';
 
 /* LDAP */
 $lang->system->LDAP = new stdclass;
-$lang->system->LDAP->info             = 'LDAP infomation';
+$lang->system->LDAP->info             = 'LDAP information';
 $lang->system->LDAP->ldapEnabled      = 'Enable LDAP';
 $lang->system->LDAP->ldapQucheng      = 'Built in Qucheng';
 $lang->system->LDAP->ldapSource       = 'Source';
@@ -227,8 +227,8 @@ $lang->system->backup->typeList['manual']  = 'Manual backup';
 $lang->system->backup->typeList['upgrade'] = 'Automatic backup before upgrade';
 $lang->system->backup->typeList['restore'] = 'Automatic backup before rollback';
 
-$lang->system->backup->waitting        = 'Backup is in progress, please wait...';
-$lang->system->backup->waittingStore   = 'Restoring app data, please wait...';
+$lang->system->backup->waiting         = 'Backup is in progress, please wait...';
+$lang->system->backup->waitingStore    = 'Restoring app data, please wait...';
 $lang->system->backup->progress        = 'Backup in progress（%d/%d）';
 $lang->system->backup->progressStore   = 'Restoring, progress(%d/%d)';
 $lang->system->backup->progressSQL     = 'In backup，%s has been backed up';
diff --git a/module/system/lang/fr.php b/module/system/lang/fr.php
index 6d6fb5b25f..c83220b46f 100644
--- a/module/system/lang/fr.php
+++ b/module/system/lang/fr.php
@@ -32,7 +32,7 @@ $lang->system->memUsage        = 'Memory（GB）';
 
 /* LDAP */
 $lang->system->LDAP = new stdclass;
-$lang->system->LDAP->info             = 'LDAP infomation';
+$lang->system->LDAP->info             = 'LDAP information';
 $lang->system->LDAP->ldapEnabled      = 'Enable LDAP';
 $lang->system->LDAP->ldapQucheng      = 'Built in Qucheng';
 $lang->system->LDAP->ldapSource       = 'Source';
@@ -227,8 +227,8 @@ $lang->system->backup->typeList['manual']  = 'Manual backup';
 $lang->system->backup->typeList['upgrade'] = 'Automatic backup before upgrade';
 $lang->system->backup->typeList['restore'] = 'Automatic backup before rollback';
 
-$lang->system->backup->waitting        = 'Backup is in progress, please wait...';
-$lang->system->backup->waittingStore   = 'Restoring app data, please wait...';
+$lang->system->backup->waiting         = 'Backup is in progress, please wait...';
+$lang->system->backup->waitingStore    = 'Restoring app data, please wait...';
 $lang->system->backup->progress        = 'Backup in progress（%d/%d）';
 $lang->system->backup->progressStore   = 'Restoring, progress(%d/%d)';
 $lang->system->backup->progressSQL     = 'In backup，%s has been backed up';
diff --git a/module/system/lang/zh-cn.php b/module/system/lang/zh-cn.php
index 4706daa40c..fbf48f16ce 100644
--- a/module/system/lang/zh-cn.php
+++ b/module/system/lang/zh-cn.php
@@ -227,8 +227,8 @@ $lang->system->backup->typeList['manual']  = '手动备份';
 $lang->system->backup->typeList['upgrade'] = '升级前自动备份';
 $lang->system->backup->typeList['restore'] = '回滚前自动备份';
 
-$lang->system->backup->waitting        = '备份正在进行中，请稍候...';
-$lang->system->backup->waittingStore   = '正在还原应用数据，请稍候...';
+$lang->system->backup->waiting         = '备份正在进行中，请稍候...';
+$lang->system->backup->waitingStore    = '正在还原应用数据，请稍候...';
 $lang->system->backup->progress        = '备份中，进度（%d/%d）';
 $lang->system->backup->progressStore   = '还原中，进度（%d/%d）';
 $lang->system->backup->progressSQL     = '备份中，已备份%s';
diff --git a/module/system/model.php b/module/system/model.php
index 93ef68a359..3fc6717b20 100644
--- a/module/system/model.php
+++ b/module/system/model.php
@@ -44,7 +44,7 @@ class systemModel extends model
 
     /**
      * 保存自定义的域名设置。
-     * Save customized somain settings.
+     * Save customized domain settings.
      *
      * @param  object $setting
      * @access public
diff --git a/module/system/ui/backupplatform.html.php b/module/system/ui/backupplatform.html.php
index 47eb9b548b..575da5bc13 100644
--- a/module/system/ui/backupplatform.html.php
+++ b/module/system/ui/backupplatform.html.php
@@ -10,7 +10,7 @@ declare(strict_types=1);
  */
 namespace zin;
 
-jsVar('waitting', $lang->system->backup->waitting);
+jsVar('waiting', $lang->system->backup->waiting);
 
 modalHeader(set::title($lang->system->backup->backup));
 formPanel
diff --git a/module/system/ui/restorebackup.html.php b/module/system/ui/restorebackup.html.php
index 26518ce932..9ed810e07c 100644
--- a/module/system/ui/restorebackup.html.php
+++ b/module/system/ui/restorebackup.html.php
@@ -16,7 +16,7 @@ jsVar('error', $error);
 div
 (
     setClass('restoreProgress text-3xl'),
-    $lang->system->backup->waittingStore
+    $lang->system->backup->waitingStore
 );
 
 render();