111

app/model/api/EducationModel.php

@@ -37,7 +37,7 @@ class EducationModel extends Model
                 $items [$item ['pid']] ['children'] [$item ['id']] = &$items [$item ['id']];
             } else {
                 $tree [$item ['id']] = &$items [$item ['id']];
-                $tree [$item ['id']] ['children'] = array();
+                $tree [$item ['id']] ['children'] = new \stdClass();
             }
         }