diff --git a/lib/zin/wg/thinkstep/v1.php b/lib/zin/wg/thinkstep/v1.php
index b4cf3cc703..60ac90a24f 100644
--- a/lib/zin/wg/thinkstep/v1.php
+++ b/lib/zin/wg/thinkstep/v1.php
@@ -45,7 +45,7 @@ class thinkStep  extends wg
         $canEdit   = common::hasPriv('thinkstep', 'edit');
         $canDelete = common::hasPriv('thinkstep', 'delete');
         $linkmodel = !$isRun && in_array($wizard->model, $config->thinkwizard->venn);
-        $canLink   = common::hasPriv('thinkstep', 'link') && $linkmodel;
+        $canLink   = common::hasPriv('thinkstep', 'link') && $linkmodel && $basicType == 'question';
 
         return div
         (
diff --git a/lib/zin/wg/thinkstepmenu/v1.php b/lib/zin/wg/thinkstepmenu/v1.php
index 8833c5e772..9b0ed39467 100644
--- a/lib/zin/wg/thinkstepmenu/v1.php
+++ b/lib/zin/wg/thinkstepmenu/v1.php
@@ -204,9 +204,7 @@ class thinkStepMenu extends wg
             'innerClass' => 'text-gray opacity-50',
             'hint'       => $item->existNotNode ? $this->lang->thinkstep->cannotDeleteNode : $this->lang->thinkstep->cannotDeleteQuestion,
         );
-        $options  = $item->type === 'question' ? json_decode($item->options) : null;
-        $linkType = !empty($options) && ($options->questionType == 'checkbox' || $options->questionType === 'radio' || $options->questionType === 'multicolumn');
-        $linkItem = ($canLink && $linkType) ? array(
+        $linkItem = ($canLink && $item->type === 'question') ? array(
             'key'          => 'linkNode',
             'icon'         => 'link',
             'text'         => $this->lang->thinkstep->actions['link'],