Fix default column showed

app/Http/Controllers/ShowHideColumnController.php

@@ -45,12 +45,12 @@ class ShowHideColumnController extends Controller
 
         $success = 0;
 
-        foreach ($columns as $column) {
+        foreach ($columns as $key => $column) {
             $dataAdd = array(
                 'version_gantt_id'=>$request->version_gantt_id,
                 'user_id'=>$this->currentId,
-                'column_name'=>$column,
-                'show'=>true,
+                'column_name'=>$key,
+                'show'=>$column,
                 'created_by'=>$this->currentName
             );