diff --git a/app_product_category_zchart/views/product_category_views.xml b/app_product_category_zchart/views/product_category_views.xml
index 7c9c758a..640b14c9 100644
--- a/app_product_category_zchart/views/product_category_views.xml
+++ b/app_product_category_zchart/views/product_category_views.xml
@@ -12,7 +12,7 @@
                         <span id="add_group"/>
                     </div>
                     <div id="o_node_right">
-                        <field name="child_id" widget="ztree_chart" nolabel="1"/>
+                        <field name="child_id" widget="ztree_chart" nolabel="1" options="'ztree_expend_level': '0'"/>
                     </div>
                 </div>
             </xpath>