diff --git a/module/common/lang/menu.php b/module/common/lang/menu.php
index 9479d7c48c..e84343b3f1 100644
--- a/module/common/lang/menu.php
+++ b/module/common/lang/menu.php
@@ -503,7 +503,7 @@ $lang->devops->homeMenu->apps = array('link' => "{$lang->app->common}|space|brow
 //$lang->devops->homeMenu->app         = array('link' => "{$lang->app->common}|app|serverlink|%s");
 
 $lang->devops->menu = new stdclass();
-$lang->devops->menu->code    = array('link' => "{$lang->repo->common}|repo|browse|repoID=%s", 'alias' => 'diff,view,revision,log,blame,showsynccommit');
+$lang->devops->menu->code    = array('link' => "{$lang->repocode->common}|repo|browse|repoID=%s", 'alias' => 'diff,view,revision,log,blame,showsynccommit');
 $lang->devops->menu->mr      = array('link' => "{$lang->devops->mr}|mr|browse|repoID=%s");
 $lang->devops->menu->compile = array('link' => "{$lang->devops->compile}|job|browse|repoID=%s", 'subModule' => 'compile,job');
 
diff --git a/module/common/model.php b/module/common/model.php
index 53d6796d9a..1027fa7b1b 100644
--- a/module/common/model.php
+++ b/module/common/model.php
@@ -41,6 +41,10 @@ class commonModel extends model
     {
         global $app;
         $rawModule = $app->rawModule;
+        $rawMethod = strtolower($app->rawMethod);
+
+        if($rawModule == 'marketresearch' and strpos($rawMethod, 'task') !== false)  $rawModule = 'task';
+        if($rawModule == 'marketresearch' and strpos($rawMethod, 'stage') !== false) $rawModule = 'execution';
 
         if($rawModule == 'task' or $rawModule == 'effort')
         {
@@ -312,6 +316,7 @@ class commonModel extends model
 
         $required   = $app->dbQuery("SELECT * FROM " . TABLE_WORKFLOWRULE . " WHERE `type` = 'system' and `rule` = 'notempty'")->fetch();
         $fields     = $app->control->loadModel('flow')->getExtendFields($module, $method);
+        $fields     = (new self())->loadModel('flow')->getExtendFields($module, $method);
         $formConfig = array();
         $type       = 'string';
         foreach($fields as $fieldObject)
@@ -482,7 +487,7 @@ class commonModel extends model
                 {
                     if(!commonModel::isTutorialMode())
                     {
-                        echo '<li class="user-tutorial">' . html::a(helper::createLink('tutorial', 'start'), "<i class='icon icon-guide'></i> " . $lang->tutorialAB, '', "class='iframe' data-class-name='modal-inverse' data-width='800' data-headerless='true' data-backdrop='true' data-keyboard='true'") . '</li>';
+                        echo '<li class="user-tutorial">' . html::a(helper::createLink('tutorial', 'start', '', '', true), "<i class='icon icon-guide'></i> " . $lang->tutorialAB, '', "class='iframe' data-class-name='modal-inverse' data-width='800' data-headerless='true' data-backdrop='true' data-keyboard='true'") . '</li>';
                     }
 
                     echo '<li>' . html::a(helper::createLink('my', 'preference', 'showTip=false', '', true), "<i class='icon icon-controls'></i> " . $lang->preference, '', "class='iframe' data-width='700'") . '</li>';
@@ -909,6 +914,7 @@ class commonModel extends model
 
         if(!in_array($tab, array('program', 'product', 'project')))
         {
+            if(!isset($lang->mainNav->$tab)) return;
             $nav = $lang->mainNav->$tab;
             list(, $currentModule, $currentMethod,) = explode('|', $nav);
             if($tab == 'execution') $currentMethod = 'all';
@@ -980,6 +986,9 @@ class commonModel extends model
 
         $app->loadLang('my');
 
+        /* Ensure user has latest rights set. */
+        $app->user->rights = $app->control->loadModel('user')->authorize($app->user->account);
+
         $menuOrder = $lang->mainNav->menuOrder;
         ksort($menuOrder);
 
@@ -1088,6 +1097,27 @@ class commonModel extends model
                 }
             }
 
+            /* Check whether the homeMenu of this group have permissions. If yes, point to them. */
+            if($display == false and isset($lang->$group->homeMenu))
+            {
+                foreach($lang->$group->homeMenu as $menu)
+                {
+                    if(!isset($menu['link'])) continue;
+
+                    $linkPart = explode('|', $menu['link']);
+                    if(count($linkPart) < 3) continue;
+                    list($label, $module, $method) = $linkPart;
+
+                    if(common::hasPriv($module, $method))
+                    {
+                        $display       = true;
+                        $currentModule = $module;
+                        $currentMethod = $method;
+                        if(!isset($menu['target'])) break;
+                    }
+                }
+            }
+
             if(!$display) continue;
 
             /* Assign vars. */
@@ -1306,6 +1336,7 @@ class commonModel extends model
             $class = $key == $searchObject ? "class='selected'" : '';
             if($key == 'program')    $key = 'program-product';
             if($key == 'deploystep') $key = 'deploy-viewstep';
+            if($key == 'practice')   $key = 'traincourse-practiceview';
 
             echo "<li $class><a href='javascript:$.setSearchType(\"$key\");' data-value='{$key}'>{$value}</a></li>";
         }
@@ -1690,9 +1721,6 @@ EOF;
 
         global $app, $lang, $config;
 
-        /* Add data-app attribute. */
-        if(strpos($misc, 'data-app') === false) $misc .= ' data-app="' . $app->tab . '"';
-
         /* Judge the $method of $module clickable or not, default is clickable. */
         $clickable = true;
         if(is_bool($extraEnabled))
@@ -1711,6 +1739,10 @@ EOF;
             }
         }
 
+        /* Add data-app attribute. */
+        if(strpos($misc, 'data-app') === false) $misc .= ' data-app="' . $app->tab . '"';
+        if($onlyBody && strpos($misc, 'data-toggle') === false && $clickable && !isonlybody()) $misc .= ' data-toggle="modal"';
+
         /* Set module and method, then create link to it. */
         if(strtolower($module) == 'story'    and strtolower($method) == 'createcase') ($module = 'testcase') and ($method = 'create');
         if(strtolower($module) == 'bug'      and strtolower($method) == 'tostory')    ($module = 'story') and ($method = 'create');
@@ -2075,7 +2107,7 @@ EOF;
             if(strtolower($key) == 'closeddate'       and $value == '') continue;
             if(strtolower($key) == 'actualcloseddate' and $value == '') continue;
 
-            if(isset($old->$key))
+            if(isset($old->$key) && is_string($old->$key))
             {
                 if($config->edition != 'open' && isset($dateFields[$key])) $old->$key = formatTime($old->$key);
 
@@ -2454,8 +2486,8 @@ EOF;
          * The following pages can be allowed to open in non-iframe, so ignore these pages.
          */
         $module    = $this->app->getModuleName();
-        $whitelist = '|index|tutorial|install|upgrade|sso|cron|misc|user-login|user-deny|user-logout|user-reset|user-forgetpassword|user-resetpassword|my-changepassword|my-preference|file-read|file-download|file-uploadimages|report-annualdata|misc-captcha|execution-printkanban|traincourse-playvideo|screen-view|zanode-create|screen-ajaxgetchart|screen-view|zanode-create|';
-        
+        $whitelist = '|index|tutorial|install|upgrade|sso|cron|misc|user-login|user-deny|user-logout|user-reset|user-forgetpassword|user-resetpassword|my-changepassword|my-preference|file-read|file-download|file-preview|file-uploadimages|file-ajaxwopifiles|report-annualdata|misc-captcha|execution-printkanban|traincourse-ajaxuploadlargefile|traincourse-playvideo|screen-view|zanode-create|screen-ajaxgetchart|';
+
         if(strpos($whitelist, "|{$module}|") !== false || strpos($whitelist, "|{$module}-{$method}|") !== false) return true;
 
         /**
@@ -2482,11 +2514,12 @@ EOF;
      */
     public static function hasPriv($module, $method, $object = null, $vars = '')
     {
-        global $app, $lang;
+        global $app, $lang, $config;
         $module = strtolower($module);
         $method = strtolower($method);
         parse_str($vars, $params);
 
+        if($config->vision == 'or' and $module == 'story') $module = 'requirement';
         if(empty($app->user)) return false;
         if(empty($params['storyType']) and $module == 'story' and !empty($app->params['storyType']) and strpos(",story,requirement,", ",{$app->params['storyType']},") !== false) $module = $app->params['storyType'];
         if($module == 'story' and !empty($params['storyType']) and strpos(",story,requirement,", ",{$params['storyType']},") !== false) $module = $params['storyType'];
@@ -3539,7 +3572,12 @@ EOF;
         foreach($postData as $key => $value)
         {
             if(!is_array($value) or strpos($this->config->$objectType->excludeCheckFields, ",$key,") !== false) continue;
-            if(isset($value[$index]) and !empty($value[$index]) and $value[$index] != 'ditto') return true;
+            if(isset($value[$index]) and !empty($value[$index]) and $value[$index] != 'ditto')
+            {
+                /* Judgment of multi-select fields. */
+                if(is_array($value[$index]) and join(',', $value[$index]) == '') continue;
+                return true;
+            }
         }
 
         return false;
diff --git a/module/common/view/datatable.fix.html.php b/module/common/view/datatable.fix.html.php
index 4a805cd705..f3a19be1ac 100644
--- a/module/common/view/datatable.fix.html.php
+++ b/module/common/view/datatable.fix.html.php
@@ -3,6 +3,14 @@
 <?php $datatableId   = $this->moduleName . ucfirst($this->methodName);?>
 <?php js::set('currentMethod', $this->app->rawMethod)?>
 <?php js::set('currentModule', $this->app->rawModule)?>
+<?php
+$showSwitchLink = true;
+if($currentModule == 'product' && $currentMethod == 'browse') $showSwitchLink = false;
+if($currentModule == 'projectstory' && $currentMethod == 'story') $showSwitchLink = false;
+if($currentModule == 'project' && $currentMethod == 'bug') $showSwitchLink = false;
+if($currentModule == 'execution' && strpos(',all,task,bug,', ",{$currentMethod},") !== false) $showSwitchLink = false;
+if($currentModule == 'bug' && $currentMethod == 'browse') $showSwitchLink = false;
+?>
 
 <style>
 #setShowModule {margin-left: 30px;}
@@ -32,15 +40,21 @@ $(function()
             {
                 $dropmenu.append("<li><a href='<?php echo $this->createLink('datatable', 'ajaxCustom', 'id=' . $this->moduleName . '&method=' . $this->methodName . '&extra=unsetStory')?>' data-toggle='modal' data-type='ajax'><?php echo $lang->datatable->custom?></a></li>");
             }
+            else if((currentModule == 'marketreport' || currentModule == 'marketresearch') && currentMethod == 'browse')
+            {
+                $dropmenu.append("<li><a href='<?php echo $this->createLink('datatable', 'ajaxCustom', 'id=' . $this->moduleName . '&method=' . $this->methodName . '&extra=unsetMarket')?>' data-toggle='modal' data-type='ajax'><?php echo $lang->datatable->custom?></a></li>");
+            }
             else
             {
                 $dropmenu.append("<li><a href='<?php echo $this->createLink('datatable', 'ajaxCustom', 'id=' . $this->moduleName . '&method=' . $this->methodName)?>' data-toggle='modal' data-type='ajax'><?php echo $lang->datatable->custom?></a></li>");
             }
-            if(!(currentModule == 'execution' && currentMethod == 'all')) $dropmenu.append("<li><a href='javascript:saveDatatableConfig(\"mode\", \"<?php echo $mode == 'table' ? 'datatable' : 'table';?>\", true);' id='switchToDatatable'><?php echo $mode == 'table' ? $lang->datatable->switchToDatatable : $lang->datatable->switchToTable;?></a></li>");
+            <?php if($showSwitchLink):?>
+            $dropmenu.append("<li><a href='javascript:saveDatatableConfig(\"mode\", \"<?php echo $mode == 'table' ? 'datatable' : 'table';?>\", true);' id='switchToDatatable'><?php echo $mode == 'table' ? $lang->datatable->switchToDatatable : $lang->datatable->switchToTable;?></a></li>");
+            <?php endif;?>
             $dropdown.append($dropmenu)
               .appendTo($btnToolbar)
               .on('shown.zui.dropdown', function(){$btnToolbar.closest('.table-header').css('z-index', 11);})
-              .on('hidden.zui.dropdown', function(){$btnToolbar.closest('.table-header').css('z-index', 5);});
+              .on('hidden.zui.dropdown', function(){$btnToolbar.closest('.table-header').css('z-index', 11);});
         }
     };
     $('#main .main-table').on('tableReload', addSettingButton);
@@ -112,7 +126,7 @@ $(function()
               <td><?php echo html::radio('showAllModule', $lang->datatable->showAllModuleList, isset($config->execution->task->allModule) ? $config->execution->task->allModule : 0);?></td>
             </tr>
             <?php endif;?>
-            <?php if($showBranch):?>
+            <?php if(isset($showBranch) and $showBranch):?>
             <tr>
               <td><?php echo $lang->datatable->showBranch;?></td>
               <td><?php echo html::radio('showBranch', $lang->datatable->showBranchList, isset($config->$currentModule->$currentMethod->showBranch) ? $config->$currentModule->$currentMethod->showBranch : 1);?></td>